diff options
Diffstat (limited to 'drivers/gles2/shaders')
20 files changed, 0 insertions, 6028 deletions
diff --git a/drivers/gles2/shaders/SCsub b/drivers/gles2/shaders/SCsub deleted file mode 100644 index bcd6ea79fb..0000000000 --- a/drivers/gles2/shaders/SCsub +++ /dev/null @@ -1,23 +0,0 @@ -#!/usr/bin/env python - -Import("env") - -if "GLES2_GLSL" in env["BUILDERS"]: - env.GLES2_GLSL("copy.glsl") - # env.GLES2_GLSL('resolve.glsl'); - env.GLES2_GLSL("canvas.glsl") - env.GLES2_GLSL("canvas_shadow.glsl") - env.GLES2_GLSL("scene.glsl") - env.GLES2_GLSL("cubemap_filter.glsl") - env.GLES2_GLSL("cube_to_dp.glsl") - # env.GLES2_GLSL('blend_shape.glsl'); - # env.GLES2_GLSL('screen_space_reflection.glsl'); - env.GLES2_GLSL("effect_blur.glsl") - # env.GLES2_GLSL('subsurf_scattering.glsl'); - # env.GLES2_GLSL('ssao.glsl'); - # env.GLES2_GLSL('ssao_minify.glsl'); - # env.GLES2_GLSL('ssao_blur.glsl'); - # env.GLES2_GLSL('exposure.glsl'); - env.GLES2_GLSL("tonemap.glsl") - # env.GLES2_GLSL('particles.glsl'); - env.GLES2_GLSL("lens_distorted.glsl") diff --git a/drivers/gles2/shaders/blend_shape.glsl b/drivers/gles2/shaders/blend_shape.glsl deleted file mode 100644 index e229da6f18..0000000000 --- a/drivers/gles2/shaders/blend_shape.glsl +++ /dev/null @@ -1,194 +0,0 @@ -/* clang-format off */ -[vertex] - -/* -from RenderingServer: - -ARRAY_VERTEX=0, -ARRAY_NORMAL=1, -ARRAY_TANGENT=2, -ARRAY_COLOR=3, -ARRAY_TEX_UV=4, -ARRAY_TEX_UV2=5, -ARRAY_BONES=6, -ARRAY_WEIGHTS=7, -ARRAY_INDEX=8, -*/ - -#ifdef USE_2D_VERTEX -#define VFORMAT vec2 -#else -#define VFORMAT vec3 -#endif - -/* INPUT ATTRIBS */ - -layout(location = 0) in highp VFORMAT vertex_attrib; -/* clang-format on */ -layout(location = 1) in vec3 normal_attrib; - -#ifdef ENABLE_TANGENT -layout(location = 2) in vec4 tangent_attrib; -#endif - -#ifdef ENABLE_COLOR -layout(location = 3) in vec4 color_attrib; -#endif - -#ifdef ENABLE_UV -layout(location = 4) in vec2 uv_attrib; -#endif - -#ifdef ENABLE_UV2 -layout(location = 5) in vec2 uv2_attrib; -#endif - -#ifdef ENABLE_SKELETON -layout(location = 6) in ivec4 bone_attrib; -layout(location = 7) in vec4 weight_attrib; -#endif - -/* BLEND ATTRIBS */ - -#ifdef ENABLE_BLEND - -layout(location = 8) in highp VFORMAT vertex_attrib_blend; -layout(location = 9) in vec3 normal_attrib_blend; - -#ifdef ENABLE_TANGENT -layout(location = 10) in vec4 tangent_attrib_blend; -#endif - -#ifdef ENABLE_COLOR -layout(location = 11) in vec4 color_attrib_blend; -#endif - -#ifdef ENABLE_UV -layout(location = 12) in vec2 uv_attrib_blend; -#endif - -#ifdef ENABLE_UV2 -layout(location = 13) in vec2 uv2_attrib_blend; -#endif - -#ifdef ENABLE_SKELETON -layout(location = 14) in ivec4 bone_attrib_blend; -layout(location = 15) in vec4 weight_attrib_blend; -#endif - -#endif - -/* OUTPUTS */ - -out VFORMAT vertex_out; //tfb: - -#ifdef ENABLE_NORMAL -out vec3 normal_out; //tfb:ENABLE_NORMAL -#endif - -#ifdef ENABLE_TANGENT -out vec4 tangent_out; //tfb:ENABLE_TANGENT -#endif - -#ifdef ENABLE_COLOR -out vec4 color_out; //tfb:ENABLE_COLOR -#endif - -#ifdef ENABLE_UV -out vec2 uv_out; //tfb:ENABLE_UV -#endif - -#ifdef ENABLE_UV2 -out vec2 uv2_out; //tfb:ENABLE_UV2 -#endif - -#ifdef ENABLE_SKELETON -out ivec4 bone_out; //tfb:ENABLE_SKELETON -out vec4 weight_out; //tfb:ENABLE_SKELETON -#endif - -uniform float blend_amount; - -void main() { -#ifdef ENABLE_BLEND - - vertex_out = vertex_attrib_blend + vertex_attrib * blend_amount; - -#ifdef ENABLE_NORMAL - normal_out = normal_attrib_blend + normal_attrib * blend_amount; -#endif - -#ifdef ENABLE_TANGENT - - tangent_out.xyz = tangent_attrib_blend.xyz + tangent_attrib.xyz * blend_amount; - tangent_out.w = tangent_attrib_blend.w; //just copy, no point in blending his -#endif - -#ifdef ENABLE_COLOR - - color_out = color_attrib_blend + color_attrib * blend_amount; -#endif - -#ifdef ENABLE_UV - - uv_out = uv_attrib_blend + uv_attrib * blend_amount; -#endif - -#ifdef ENABLE_UV2 - - uv2_out = uv2_attrib_blend + uv2_attrib * blend_amount; -#endif - -#ifdef ENABLE_SKELETON - - bone_out = bone_attrib_blend; - weight_out = weight_attrib_blend + weight_attrib * blend_amount; -#endif - -#else //ENABLE_BLEND - - vertex_out = vertex_attrib * blend_amount; - -#ifdef ENABLE_NORMAL - normal_out = normal_attrib * blend_amount; -#endif - -#ifdef ENABLE_TANGENT - - tangent_out.xyz = tangent_attrib.xyz * blend_amount; - tangent_out.w = tangent_attrib.w; //just copy, no point in blending his -#endif - -#ifdef ENABLE_COLOR - - color_out = color_attrib * blend_amount; -#endif - -#ifdef ENABLE_UV - - uv_out = uv_attrib * blend_amount; -#endif - -#ifdef ENABLE_UV2 - - uv2_out = uv2_attrib * blend_amount; -#endif - -#ifdef ENABLE_SKELETON - - bone_out = bone_attrib; - weight_out = weight_attrib * blend_amount; -#endif - -#endif - gl_Position = vec4(0.0); -} - -/* clang-format off */ -[fragment] - -void main() { - -} - -/* clang-format on */ diff --git a/drivers/gles2/shaders/canvas.glsl b/drivers/gles2/shaders/canvas.glsl deleted file mode 100644 index 1fadf44d97..0000000000 --- a/drivers/gles2/shaders/canvas.glsl +++ /dev/null @@ -1,619 +0,0 @@ -/* clang-format off */ -[vertex] - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -precision highp float; -precision highp int; -#endif - -#ifndef USE_GLES_OVER_GL -#extension GL_OES_texture_3D : enable -#else -#extension GL_EXT_texture_array : enable -#endif - -uniform highp mat4 projection_matrix; -/* clang-format on */ - -#include "stdlib.glsl" - -uniform highp mat4 modelview_matrix; -uniform highp mat4 extra_matrix; -attribute highp vec2 vertex; // attrib:0 -attribute vec4 color_attrib; // attrib:3 -attribute vec2 uv_attrib; // attrib:4 - -#ifdef USE_SKELETON -attribute highp vec4 bone_indices; // attrib:6 -attribute highp vec4 bone_weights; // attrib:7 -#endif - -#ifdef USE_INSTANCING - -attribute highp vec4 instance_xform0; //attrib:8 -attribute highp vec4 instance_xform1; //attrib:9 -attribute highp vec4 instance_xform2; //attrib:10 -attribute highp vec4 instance_color; //attrib:11 - -#ifdef USE_INSTANCE_CUSTOM -attribute highp vec4 instance_custom_data; //attrib:12 -#endif - -#endif - -#ifdef USE_SKELETON -uniform highp sampler2D skeleton_texture; // texunit:-3 -uniform highp ivec2 skeleton_texture_size; -uniform highp mat4 skeleton_transform; -uniform highp mat4 skeleton_transform_inverse; -#endif - -varying vec2 uv_interp; -varying vec4 color_interp; - -uniform highp vec2 color_texpixel_size; - -#ifdef USE_TEXTURE_RECT - -uniform vec4 dst_rect; -uniform vec4 src_rect; - -#endif - -uniform highp float time; - -#ifdef USE_LIGHTING - -// light matrices -uniform highp mat4 light_matrix; -uniform highp mat4 light_matrix_inverse; -uniform highp mat4 light_local_matrix; -uniform highp mat4 shadow_matrix; -uniform highp vec4 light_color; -uniform highp vec4 light_shadow_color; -uniform highp vec2 light_pos; -uniform highp float shadowpixel_size; -uniform highp float shadow_gradient; -uniform highp float light_height; -uniform highp float light_outside_alpha; -uniform highp float shadow_distance_mult; - -varying vec4 light_uv_interp; -varying vec2 transformed_light_uv; -varying vec4 local_rot; - -#ifdef USE_SHADOWS -varying highp vec2 pos; -#endif - -const bool at_light_pass = true; -#else -const bool at_light_pass = false; -#endif - -/* clang-format off */ - -VERTEX_SHADER_GLOBALS - -/* clang-format on */ - -vec2 select(vec2 a, vec2 b, bvec2 c) { - vec2 ret; - - ret.x = c.x ? b.x : a.x; - ret.y = c.y ? b.y : a.y; - - return ret; -} - -void main() { - vec4 color = color_attrib; - vec2 uv; - -#ifdef USE_INSTANCING - mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0))); - color *= instance_color; - -#ifdef USE_INSTANCE_CUSTOM - vec4 instance_custom = instance_custom_data; -#else - vec4 instance_custom = vec4(0.0); -#endif - -#else - mat4 extra_matrix_instance = extra_matrix; - vec4 instance_custom = vec4(0.0); -#endif - -#ifdef USE_TEXTURE_RECT - - if (dst_rect.z < 0.0) { // Transpose is encoded as negative dst_rect.z - uv = src_rect.xy + abs(src_rect.zw) * vertex.yx; - } else { - uv = src_rect.xy + abs(src_rect.zw) * vertex; - } - - vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0); - - // This is what is done in the GLES 3 bindings and should - // take care of flipped rects. - // - // But it doesn't. - // I don't know why, will need to investigate further. - - outvec.xy = dst_rect.xy + abs(dst_rect.zw) * select(vertex, vec2(1.0, 1.0) - vertex, lessThan(src_rect.zw, vec2(0.0, 0.0))); - - // outvec.xy = dst_rect.xy + abs(dst_rect.zw) * vertex; -#else - vec4 outvec = vec4(vertex.xy, 0.0, 1.0); - - uv = uv_attrib; -#endif - - float point_size = 1.0; - - { - vec2 src_vtx = outvec.xy; - /* clang-format off */ - -VERTEX_SHADER_CODE - - /* clang-format on */ - } - - gl_PointSize = point_size; - -#if !defined(SKIP_TRANSFORM_USED) - outvec = extra_matrix_instance * outvec; - outvec = modelview_matrix * outvec; -#endif - - color_interp = color; - -#ifdef USE_PIXEL_SNAP - outvec.xy = floor(outvec + 0.5).xy; - // precision issue on some hardware creates artifacts within texture - // offset uv by a small amount to avoid - uv += 1e-5; -#endif - -#ifdef USE_SKELETON - - // look up transform from the "pose texture" - if (bone_weights != vec4(0.0)) { - highp mat4 bone_transform = mat4(0.0); - - for (int i = 0; i < 4; i++) { - ivec2 tex_ofs = ivec2(int(bone_indices[i]) * 2, 0); - - highp mat4 b = mat4( - texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(0, 0)), - texel2DFetch(skeleton_texture, skeleton_texture_size, tex_ofs + ivec2(1, 0)), - vec4(0.0, 0.0, 1.0, 0.0), - vec4(0.0, 0.0, 0.0, 1.0)); - - bone_transform += b * bone_weights[i]; - } - - mat4 bone_matrix = skeleton_transform * transpose(bone_transform) * skeleton_transform_inverse; - - outvec = bone_matrix * outvec; - } - -#endif - - uv_interp = uv; - gl_Position = projection_matrix * outvec; - -#ifdef USE_LIGHTING - - light_uv_interp.xy = (light_matrix * outvec).xy; - light_uv_interp.zw = (light_local_matrix * outvec).xy; - - transformed_light_uv = (mat3(light_matrix_inverse) * vec3(light_uv_interp.zw, 0.0)).xy; //for normal mapping - -#ifdef USE_SHADOWS - pos = outvec.xy; -#endif - - local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(1.0, 0.0, 0.0, 0.0))).xy); - local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(0.0, 1.0, 0.0, 0.0))).xy); -#ifdef USE_TEXTURE_RECT - local_rot.xy *= sign(src_rect.z); - local_rot.zw *= sign(src_rect.w); -#endif - -#endif -} - -/* clang-format off */ -[fragment] - -#ifndef USE_GLES_OVER_GL -#extension GL_OES_texture_3D : enable -#else -#extension GL_EXT_texture_array : enable -#endif - -// texture2DLodEXT and textureCubeLodEXT are fragment shader specific. -// Do not copy these defines in the vertex section. -#ifndef USE_GLES_OVER_GL -#ifdef GL_EXT_shader_texture_lod -#extension GL_EXT_shader_texture_lod : enable -#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod) -#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod) -#endif -#endif // !USE_GLES_OVER_GL - -#ifdef GL_ARB_shader_texture_lod -#extension GL_ARB_shader_texture_lod : enable -#endif - -#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod) -#define texture2DLod(img, coord, lod) texture2D(img, coord, lod) -#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod) -#endif - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -#if defined(USE_HIGHP_PRECISION) -precision highp float; -precision highp int; -#else -precision mediump float; -precision mediump int; -#endif -#endif - -#include "stdlib.glsl" - -uniform sampler2D color_texture; // texunit:-1 -/* clang-format on */ -uniform highp vec2 color_texpixel_size; -uniform mediump sampler2D normal_texture; // texunit:-2 - -varying mediump vec2 uv_interp; -varying mediump vec4 color_interp; - -uniform highp float time; - -uniform vec4 final_modulate; - -#ifdef SCREEN_TEXTURE_USED - -uniform sampler2D screen_texture; // texunit:-4 - -#endif - -#ifdef SCREEN_UV_USED - -uniform vec2 screen_pixel_size; - -#endif - -#ifdef USE_LIGHTING - -uniform highp mat4 light_matrix; -uniform highp mat4 light_local_matrix; -uniform highp mat4 shadow_matrix; -uniform highp vec4 light_color; -uniform highp vec4 light_shadow_color; -uniform highp vec2 light_pos; -uniform highp float shadowpixel_size; -uniform highp float shadow_gradient; -uniform highp float light_height; -uniform highp float light_outside_alpha; -uniform highp float shadow_distance_mult; - -uniform lowp sampler2D light_texture; // texunit:-4 -varying vec4 light_uv_interp; -varying vec2 transformed_light_uv; - -varying vec4 local_rot; - -#ifdef USE_SHADOWS - -uniform highp sampler2D shadow_texture; // texunit:-5 -varying highp vec2 pos; - -#endif - -const bool at_light_pass = true; -#else -const bool at_light_pass = false; -#endif - -uniform bool use_default_normal; - -/* clang-format off */ - -FRAGMENT_SHADER_GLOBALS - -/* clang-format on */ - -void light_compute( - inout vec4 light, - inout vec2 light_vec, - inout float light_height, - inout vec4 light_color, - vec2 light_uv, - inout vec4 shadow_color, - inout vec2 shadow_vec, - vec3 normal, - vec2 uv, -#if defined(SCREEN_UV_USED) - vec2 screen_uv, -#endif - vec4 color) { - -#if defined(USE_LIGHT_SHADER_CODE) - - /* clang-format off */ - -LIGHT_SHADER_CODE - - /* clang-format on */ - -#endif -} - -void main() { - vec4 color = color_interp; - vec2 uv = uv_interp; -#ifdef USE_FORCE_REPEAT - //needs to use this to workaround GLES2/WebGL1 forcing tiling that textures that don't support it - uv = mod(uv, vec2(1.0, 1.0)); -#endif - -#if !defined(COLOR_USED) - //default behavior, texture by color - color *= texture2D(color_texture, uv); -#endif - -#ifdef SCREEN_UV_USED - vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size; -#endif - - vec3 normal; - -#if defined(NORMAL_USED) - - bool normal_used = true; -#else - bool normal_used = false; -#endif - - if (use_default_normal) { - normal.xy = texture2D(normal_texture, uv).xy * 2.0 - 1.0; - normal.z = sqrt(1.0 - dot(normal.xy, normal.xy)); - normal_used = true; - } else { - normal = vec3(0.0, 0.0, 1.0); - } - - { - float normal_depth = 1.0; - -#if defined(NORMALMAP_USED) - vec3 normal_map = vec3(0.0, 0.0, 1.0); - normal_used = true; -#endif - - /* clang-format off */ - -FRAGMENT_SHADER_CODE - - /* clang-format on */ - -#if defined(NORMALMAP_USED) - normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth); -#endif - } - color *= final_modulate; - -#ifdef USE_LIGHTING - - vec2 light_vec = transformed_light_uv; - vec2 shadow_vec = transformed_light_uv; - - if (normal_used) { - normal.xy = mat2(local_rot.xy, local_rot.zw) * normal.xy; - } - - float att = 1.0; - - vec2 light_uv = light_uv_interp.xy; - vec4 light = texture2D(light_texture, light_uv); - - if (any(lessThan(light_uv_interp.xy, vec2(0.0, 0.0))) || any(greaterThanEqual(light_uv_interp.xy, vec2(1.0, 1.0)))) { - color.a *= light_outside_alpha; //invisible - - } else { - float real_light_height = light_height; - vec4 real_light_color = light_color; - vec4 real_light_shadow_color = light_shadow_color; - -#if defined(USE_LIGHT_SHADER_CODE) - //light is written by the light shader - light_compute( - light, - light_vec, - real_light_height, - real_light_color, - light_uv, - real_light_shadow_color, - shadow_vec, - normal, - uv, -#if defined(SCREEN_UV_USED) - screen_uv, -#endif - color); -#endif - - light *= real_light_color; - - if (normal_used) { - vec3 light_normal = normalize(vec3(light_vec, -real_light_height)); - light *= max(dot(-light_normal, normal), 0.0); - } - - color *= light; - -#ifdef USE_SHADOWS - -#ifdef SHADOW_VEC_USED - mat3 inverse_light_matrix = mat3(light_matrix); - inverse_light_matrix[0] = normalize(inverse_light_matrix[0]); - inverse_light_matrix[1] = normalize(inverse_light_matrix[1]); - inverse_light_matrix[2] = normalize(inverse_light_matrix[2]); - shadow_vec = (inverse_light_matrix * vec3(shadow_vec, 0.0)).xy; -#else - shadow_vec = light_uv_interp.zw; -#endif - - float angle_to_light = -atan(shadow_vec.x, shadow_vec.y); - float PI = 3.14159265358979323846264; - /*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays - float ang*/ - - float su, sz; - - float abs_angle = abs(angle_to_light); - vec2 point; - float sh; - if (abs_angle < 45.0 * PI / 180.0) { - point = shadow_vec; - sh = 0.0 + (1.0 / 8.0); - } else if (abs_angle > 135.0 * PI / 180.0) { - point = -shadow_vec; - sh = 0.5 + (1.0 / 8.0); - } else if (angle_to_light > 0.0) { - point = vec2(shadow_vec.y, -shadow_vec.x); - sh = 0.25 + (1.0 / 8.0); - } else { - point = vec2(-shadow_vec.y, shadow_vec.x); - sh = 0.75 + (1.0 / 8.0); - } - - highp vec4 s = shadow_matrix * vec4(point, 0.0, 1.0); - s.xyz /= s.w; - su = s.x * 0.5 + 0.5; - sz = s.z * 0.5 + 0.5; - //sz=lightlength(light_vec); - - highp float shadow_attenuation = 0.0; - -#ifdef USE_RGBA_SHADOWS -#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0)) - -#else - -#define SHADOW_DEPTH(m_tex, m_uv) (texture2D((m_tex), (m_uv)).r) - -#endif - -#ifdef SHADOW_USE_GRADIENT - - /* clang-format off */ - /* GLSL es 100 doesn't support line continuation characters(backslashes) */ -#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); } - -#else - -#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); } - /* clang-format on */ - -#endif - -#ifdef SHADOW_FILTER_NEAREST - - SHADOW_TEST(su); - -#endif - -#ifdef SHADOW_FILTER_PCF3 - - SHADOW_TEST(su + shadowpixel_size); - SHADOW_TEST(su); - SHADOW_TEST(su - shadowpixel_size); - shadow_attenuation /= 3.0; - -#endif - -#ifdef SHADOW_FILTER_PCF5 - - SHADOW_TEST(su + shadowpixel_size * 2.0); - SHADOW_TEST(su + shadowpixel_size); - SHADOW_TEST(su); - SHADOW_TEST(su - shadowpixel_size); - SHADOW_TEST(su - shadowpixel_size * 2.0); - shadow_attenuation /= 5.0; - -#endif - -#ifdef SHADOW_FILTER_PCF7 - - SHADOW_TEST(su + shadowpixel_size * 3.0); - SHADOW_TEST(su + shadowpixel_size * 2.0); - SHADOW_TEST(su + shadowpixel_size); - SHADOW_TEST(su); - SHADOW_TEST(su - shadowpixel_size); - SHADOW_TEST(su - shadowpixel_size * 2.0); - SHADOW_TEST(su - shadowpixel_size * 3.0); - shadow_attenuation /= 7.0; - -#endif - -#ifdef SHADOW_FILTER_PCF9 - - SHADOW_TEST(su + shadowpixel_size * 4.0); - SHADOW_TEST(su + shadowpixel_size * 3.0); - SHADOW_TEST(su + shadowpixel_size * 2.0); - SHADOW_TEST(su + shadowpixel_size); - SHADOW_TEST(su); - SHADOW_TEST(su - shadowpixel_size); - SHADOW_TEST(su - shadowpixel_size * 2.0); - SHADOW_TEST(su - shadowpixel_size * 3.0); - SHADOW_TEST(su - shadowpixel_size * 4.0); - shadow_attenuation /= 9.0; - -#endif - -#ifdef SHADOW_FILTER_PCF13 - - SHADOW_TEST(su + shadowpixel_size * 6.0); - SHADOW_TEST(su + shadowpixel_size * 5.0); - SHADOW_TEST(su + shadowpixel_size * 4.0); - SHADOW_TEST(su + shadowpixel_size * 3.0); - SHADOW_TEST(su + shadowpixel_size * 2.0); - SHADOW_TEST(su + shadowpixel_size); - SHADOW_TEST(su); - SHADOW_TEST(su - shadowpixel_size); - SHADOW_TEST(su - shadowpixel_size * 2.0); - SHADOW_TEST(su - shadowpixel_size * 3.0); - SHADOW_TEST(su - shadowpixel_size * 4.0); - SHADOW_TEST(su - shadowpixel_size * 5.0); - SHADOW_TEST(su - shadowpixel_size * 6.0); - shadow_attenuation /= 13.0; - -#endif - - //color *= shadow_attenuation; - color = mix(real_light_shadow_color, color, shadow_attenuation); -//use shadows -#endif - } - -//use lighting -#endif - - gl_FragColor = color; -} diff --git a/drivers/gles2/shaders/canvas_shadow.glsl b/drivers/gles2/shaders/canvas_shadow.glsl deleted file mode 100644 index 2abcd5e67c..0000000000 --- a/drivers/gles2/shaders/canvas_shadow.glsl +++ /dev/null @@ -1,60 +0,0 @@ -/* clang-format off */ -[vertex] - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -precision highp float; -precision highp int; -#endif - -attribute highp vec3 vertex; // attrib:0 - -uniform highp mat4 projection_matrix; -/* clang-format on */ -uniform highp mat4 light_matrix; -uniform highp mat4 world_matrix; -uniform highp float distance_norm; - -varying highp vec4 position_interp; - -void main() { - gl_Position = projection_matrix * (light_matrix * (world_matrix * vec4(vertex, 1.0))); - position_interp = gl_Position; -} - -/* clang-format off */ -[fragment] - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -#if defined(USE_HIGHP_PRECISION) -precision highp float; -precision highp int; -#else -precision mediump float; -precision mediump int; -#endif -#endif - -varying highp vec4 position_interp; -/* clang-format on */ - -void main() { - highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias - -#ifdef USE_RGBA_SHADOWS - - highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0)); - comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0); - gl_FragColor = comp; -#else - - gl_FragColor = vec4(depth); -#endif -} diff --git a/drivers/gles2/shaders/copy.glsl b/drivers/gles2/shaders/copy.glsl deleted file mode 100644 index e833722ac3..0000000000 --- a/drivers/gles2/shaders/copy.glsl +++ /dev/null @@ -1,191 +0,0 @@ -/* clang-format off */ -[vertex] - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -precision highp float; -precision highp int; -#endif - -attribute highp vec4 vertex_attrib; // attrib:0 -/* clang-format on */ - -#if defined(USE_CUBEMAP) || defined(USE_PANORAMA) -attribute vec3 cube_in; // attrib:4 -#else -attribute vec2 uv_in; // attrib:4 -#endif - -attribute vec2 uv2_in; // attrib:5 - -#if defined(USE_CUBEMAP) || defined(USE_PANORAMA) -varying vec3 cube_interp; -#else -varying vec2 uv_interp; -#endif -varying vec2 uv2_interp; - -// These definitions are here because the shader-wrapper builder does -// not understand `#elif defined()` -#ifdef USE_DISPLAY_TRANSFORM -#endif - -#ifdef USE_COPY_SECTION -uniform highp vec4 copy_section; -#elif defined(USE_DISPLAY_TRANSFORM) -uniform highp mat4 display_transform; -#endif - -void main() { -#if defined(USE_CUBEMAP) || defined(USE_PANORAMA) - cube_interp = cube_in; -#elif defined(USE_ASYM_PANO) - uv_interp = vertex_attrib.xy; -#else - uv_interp = uv_in; -#endif - - uv2_interp = uv2_in; - gl_Position = vertex_attrib; - -#ifdef USE_COPY_SECTION - uv_interp = copy_section.xy + uv_interp * copy_section.zw; - gl_Position.xy = (copy_section.xy + (gl_Position.xy * 0.5 + 0.5) * copy_section.zw) * 2.0 - 1.0; -#elif defined(USE_DISPLAY_TRANSFORM) - uv_interp = (display_transform * vec4(uv_in, 1.0, 1.0)).xy; -#endif -} - -/* clang-format off */ -[fragment] - -#define M_PI 3.14159265359 - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -#if defined(USE_HIGHP_PRECISION) -precision highp float; -precision highp int; -#else -precision mediump float; -precision mediump int; -#endif -#endif - -#if defined(USE_CUBEMAP) || defined(USE_PANORAMA) -varying vec3 cube_interp; -#else -varying vec2 uv_interp; -#endif -/* clang-format on */ - -#ifdef USE_ASYM_PANO -uniform highp mat4 pano_transform; -uniform highp vec4 asym_proj; -#endif - -#ifdef USE_CUBEMAP -uniform samplerCube source_cube; // texunit:0 -#else -uniform sampler2D source; // texunit:0 -#endif - -#ifdef SEP_CBCR_TEXTURE -uniform sampler2D CbCr; //texunit:1 -#endif - -varying vec2 uv2_interp; - -#ifdef USE_MULTIPLIER -uniform float multiplier; -#endif - -#ifdef USE_CUSTOM_ALPHA -uniform float custom_alpha; -#endif - -#if defined(USE_PANORAMA) || defined(USE_ASYM_PANO) -uniform highp mat4 sky_transform; - -vec4 texturePanorama(sampler2D pano, vec3 normal) { - vec2 st = vec2( - atan(normal.x, normal.z), - acos(normal.y)); - - if (st.x < 0.0) - st.x += M_PI * 2.0; - - st /= vec2(M_PI * 2.0, M_PI); - - return texture2D(pano, st); -} - -#endif - -void main() { -#ifdef USE_PANORAMA - - vec3 cube_normal = normalize(cube_interp); - cube_normal.z = -cube_normal.z; - cube_normal = mat3(sky_transform) * cube_normal; - cube_normal.z = -cube_normal.z; - - vec4 color = texturePanorama(source, cube_normal); - -#elif defined(USE_ASYM_PANO) - - // When an asymmetrical projection matrix is used (applicable for stereoscopic rendering i.e. VR) we need to do this calculation per fragment to get a perspective correct result. - // Asymmetrical projection means the center of projection is no longer in the center of the screen but shifted. - // The Matrix[2][0] (= asym_proj.x) and Matrix[2][1] (= asym_proj.z) values are what provide the right shift in the image. - - vec3 cube_normal; - cube_normal.z = -1.0; - cube_normal.x = (cube_normal.z * (-uv_interp.x - asym_proj.x)) / asym_proj.y; - cube_normal.y = (cube_normal.z * (-uv_interp.y - asym_proj.z)) / asym_proj.a; - cube_normal = mat3(sky_transform) * mat3(pano_transform) * cube_normal; - cube_normal.z = -cube_normal.z; - - vec4 color = texturePanorama(source, normalize(cube_normal.xyz)); - -#elif defined(USE_CUBEMAP) - vec4 color = textureCube(source_cube, normalize(cube_interp)); -#elif defined(SEP_CBCR_TEXTURE) - vec4 color; - color.r = texture2D(source, uv_interp).r; - color.gb = texture2D(CbCr, uv_interp).rg - vec2(0.5, 0.5); - color.a = 1.0; -#else - vec4 color = texture2D(source, uv_interp); -#endif - -#ifdef YCBCR_TO_RGB - // YCbCr -> RGB conversion - - // Using BT.601, which is the standard for SDTV is provided as a reference - color.rgb = mat3( - vec3(1.00000, 1.00000, 1.00000), - vec3(0.00000, -0.34413, 1.77200), - vec3(1.40200, -0.71414, 0.00000)) * - color.rgb; -#endif - -#ifdef USE_NO_ALPHA - color.a = 1.0; -#endif - -#ifdef USE_CUSTOM_ALPHA - color.a = custom_alpha; -#endif - -#ifdef USE_MULTIPLIER - color.rgb *= multiplier; -#endif - - gl_FragColor = color; -} diff --git a/drivers/gles2/shaders/cube_to_dp.glsl b/drivers/gles2/shaders/cube_to_dp.glsl deleted file mode 100644 index 1612ec3d5a..0000000000 --- a/drivers/gles2/shaders/cube_to_dp.glsl +++ /dev/null @@ -1,100 +0,0 @@ -/* clang-format off */ -[vertex] - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -precision mediump float; -precision mediump int; -#endif - -attribute highp vec4 vertex_attrib; // attrib:0 -/* clang-format on */ -attribute vec2 uv_in; // attrib:4 - -varying vec2 uv_interp; - -void main() { - uv_interp = uv_in; - gl_Position = vertex_attrib; -} - -/* clang-format off */ -[fragment] - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -#if defined(USE_HIGHP_PRECISION) -precision highp float; -precision highp int; -#else -precision mediump float; -precision mediump int; -#endif -#endif - -uniform highp samplerCube source_cube; //texunit:0 -/* clang-format on */ -varying vec2 uv_interp; - -uniform bool z_flip; -uniform highp float z_far; -uniform highp float z_near; -uniform highp float bias; - -void main() { - highp vec3 normal = vec3(uv_interp * 2.0 - 1.0, 0.0); - /* - if (z_flip) { - normal.z = 0.5 - 0.5 * ((normal.x * normal.x) + (normal.y * normal.y)); - } else { - normal.z = -0.5 + 0.5 * ((normal.x * normal.x) + (normal.y * normal.y)); - } - */ - - //normal.z = sqrt(1.0 - dot(normal.xy, normal.xy)); - //normal.xy *= 1.0 + normal.z; - - normal.z = 0.5 - 0.5 * ((normal.x * normal.x) + (normal.y * normal.y)); - normal = normalize(normal); - /* - normal.z = 0.5; - normal = normalize(normal); - */ - - if (!z_flip) { - normal.z = -normal.z; - } - - //normal = normalize(vec3( uv_interp * 2.0 - 1.0, 1.0 )); - float depth = textureCube(source_cube, normal).r; - - // absolute values for direction cosines, bigger value equals closer to basis axis - vec3 unorm = abs(normal); - - if ((unorm.x >= unorm.y) && (unorm.x >= unorm.z)) { - // x code - unorm = normal.x > 0.0 ? vec3(1.0, 0.0, 0.0) : vec3(-1.0, 0.0, 0.0); - } else if ((unorm.y > unorm.x) && (unorm.y >= unorm.z)) { - // y code - unorm = normal.y > 0.0 ? vec3(0.0, 1.0, 0.0) : vec3(0.0, -1.0, 0.0); - } else if ((unorm.z > unorm.x) && (unorm.z > unorm.y)) { - // z code - unorm = normal.z > 0.0 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 0.0, -1.0); - } else { - // oh-no we messed up code - // has to be - unorm = vec3(1.0, 0.0, 0.0); - } - - float depth_fix = 1.0 / dot(normal, unorm); - - depth = 2.0 * depth - 1.0; - float linear_depth = 2.0 * z_near * z_far / (z_far + z_near - depth * (z_far - z_near)); - gl_FragDepth = (linear_depth * depth_fix + bias) / z_far; -} diff --git a/drivers/gles2/shaders/cubemap_filter.glsl b/drivers/gles2/shaders/cubemap_filter.glsl deleted file mode 100644 index f5c91cc707..0000000000 --- a/drivers/gles2/shaders/cubemap_filter.glsl +++ /dev/null @@ -1,231 +0,0 @@ -/* clang-format off */ -[vertex] - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -precision highp float; -precision highp int; -#endif - -attribute highp vec2 vertex; // attrib:0 -/* clang-format on */ -attribute highp vec2 uv; // attrib:4 - -varying highp vec2 uv_interp; - -void main() { - uv_interp = uv; - gl_Position = vec4(vertex, 0, 1); -} - -/* clang-format off */ -[fragment] - -// texture2DLodEXT and textureCubeLodEXT are fragment shader specific. -// Do not copy these defines in the vertex section. -#ifndef USE_GLES_OVER_GL -#ifdef GL_EXT_shader_texture_lod -#extension GL_EXT_shader_texture_lod : enable -#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod) -#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod) -#endif -#endif // !USE_GLES_OVER_GL - -#ifdef GL_ARB_shader_texture_lod -#extension GL_ARB_shader_texture_lod : enable -#endif - -#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod) -#define texture2DLod(img, coord, lod) texture2D(img, coord, lod) -#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod) -#endif - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -#if defined(USE_HIGHP_PRECISION) -precision highp float; -precision highp int; -#else -precision mediump float; -precision mediump int; -#endif - -#endif - -#ifdef USE_SOURCE_PANORAMA -uniform sampler2D source_panorama; //texunit:0 -#else -uniform samplerCube source_cube; //texunit:0 -#endif -/* clang-format on */ - -uniform int face_id; -uniform float roughness; -varying highp vec2 uv_interp; - -uniform sampler2D radical_inverse_vdc_cache; // texunit:1 - -#define M_PI 3.14159265359 - -#ifdef LOW_QUALITY - -#define SAMPLE_COUNT 64 - -#else - -#define SAMPLE_COUNT 512 - -#endif - -#ifdef USE_SOURCE_PANORAMA - -vec4 texturePanorama(sampler2D pano, vec3 normal) { - vec2 st = vec2( - atan(normal.x, normal.z), - acos(normal.y)); - - if (st.x < 0.0) - st.x += M_PI * 2.0; - - st /= vec2(M_PI * 2.0, M_PI); - - return texture2DLod(pano, st, 0.0); -} - -#endif - -vec3 texelCoordToVec(vec2 uv, int faceID) { - mat3 faceUvVectors[6]; - - // -x - faceUvVectors[0][0] = vec3(0.0, 0.0, 1.0); // u -> +z - faceUvVectors[0][1] = vec3(0.0, -1.0, 0.0); // v -> -y - faceUvVectors[0][2] = vec3(-1.0, 0.0, 0.0); // -x face - - // +x - faceUvVectors[1][0] = vec3(0.0, 0.0, -1.0); // u -> -z - faceUvVectors[1][1] = vec3(0.0, -1.0, 0.0); // v -> -y - faceUvVectors[1][2] = vec3(1.0, 0.0, 0.0); // +x face - - // -y - faceUvVectors[2][0] = vec3(1.0, 0.0, 0.0); // u -> +x - faceUvVectors[2][1] = vec3(0.0, 0.0, -1.0); // v -> -z - faceUvVectors[2][2] = vec3(0.0, -1.0, 0.0); // -y face - - // +y - faceUvVectors[3][0] = vec3(1.0, 0.0, 0.0); // u -> +x - faceUvVectors[3][1] = vec3(0.0, 0.0, 1.0); // v -> +z - faceUvVectors[3][2] = vec3(0.0, 1.0, 0.0); // +y face - - // -z - faceUvVectors[4][0] = vec3(-1.0, 0.0, 0.0); // u -> -x - faceUvVectors[4][1] = vec3(0.0, -1.0, 0.0); // v -> -y - faceUvVectors[4][2] = vec3(0.0, 0.0, -1.0); // -z face - - // +z - faceUvVectors[5][0] = vec3(1.0, 0.0, 0.0); // u -> +x - faceUvVectors[5][1] = vec3(0.0, -1.0, 0.0); // v -> -y - faceUvVectors[5][2] = vec3(0.0, 0.0, 1.0); // +z face - - // out = u * s_faceUv[0] + v * s_faceUv[1] + s_faceUv[2]. - vec3 result; - for (int i = 0; i < 6; i++) { - if (i == faceID) { - result = (faceUvVectors[i][0] * uv.x) + (faceUvVectors[i][1] * uv.y) + faceUvVectors[i][2]; - break; - } - } - return normalize(result); -} - -vec3 ImportanceSampleGGX(vec2 Xi, float Roughness, vec3 N) { - float a = Roughness * Roughness; // DISNEY'S ROUGHNESS [see Burley'12 siggraph] - - // Compute distribution direction - float Phi = 2.0 * M_PI * Xi.x; - float CosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y)); - float SinTheta = sqrt(1.0 - CosTheta * CosTheta); - - // Convert to spherical direction - vec3 H; - H.x = SinTheta * cos(Phi); - H.y = SinTheta * sin(Phi); - H.z = CosTheta; - - vec3 UpVector = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0); - vec3 TangentX = normalize(cross(UpVector, N)); - vec3 TangentY = cross(N, TangentX); - - // Tangent to world space - return TangentX * H.x + TangentY * H.y + N * H.z; -} - -float radical_inverse_VdC(int i) { - return texture2D(radical_inverse_vdc_cache, vec2(float(i) / 512.0, 0.0)).x; -} - -vec2 Hammersley(int i, int N) { - return vec2(float(i) / float(N), radical_inverse_VdC(i)); -} - -uniform bool z_flip; - -void main() { - vec3 color = vec3(0.0); - - vec2 uv = (uv_interp * 2.0) - 1.0; - vec3 N = texelCoordToVec(uv, face_id); - -#ifdef USE_DIRECT_WRITE - -#ifdef USE_SOURCE_PANORAMA - - gl_FragColor = vec4(texturePanorama(source_panorama, N).rgb, 1.0); -#else - - gl_FragColor = vec4(textureCube(source_cube, N).rgb, 1.0); -#endif //USE_SOURCE_PANORAMA - -#else - - vec4 sum = vec4(0.0); - - for (int sample_num = 0; sample_num < SAMPLE_COUNT; sample_num++) { - vec2 xi = Hammersley(sample_num, SAMPLE_COUNT); - - vec3 H = ImportanceSampleGGX(xi, roughness, N); - vec3 V = N; - vec3 L = (2.0 * dot(V, H) * H - V); - - float NdotL = clamp(dot(N, L), 0.0, 1.0); - - if (NdotL > 0.0) { - -#ifdef USE_SOURCE_PANORAMA - vec3 val = texturePanorama(source_panorama, L).rgb; -#else - vec3 val = textureCubeLod(source_cube, L, 0.0).rgb; -#endif - //mix using Linear, to approximate high end back-end - val = mix(pow((val + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), val * (1.0 / 12.92), vec3(lessThan(val, vec3(0.04045)))); - - sum.rgb += val * NdotL; - - sum.a += NdotL; - } - } - - sum /= sum.a; - - vec3 a = vec3(0.055); - sum.rgb = mix((vec3(1.0) + a) * pow(sum.rgb, vec3(1.0 / 2.4)) - a, 12.92 * sum.rgb, vec3(lessThan(sum.rgb, vec3(0.0031308)))); - - gl_FragColor = vec4(sum.rgb, 1.0); -#endif -} diff --git a/drivers/gles2/shaders/effect_blur.glsl b/drivers/gles2/shaders/effect_blur.glsl deleted file mode 100644 index 7b607dd76a..0000000000 --- a/drivers/gles2/shaders/effect_blur.glsl +++ /dev/null @@ -1,308 +0,0 @@ -/* clang-format off */ -[vertex] - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -precision highp float; -precision highp int; -#endif - -attribute vec2 vertex_attrib; // attrib:0 -/* clang-format on */ -attribute vec2 uv_in; // attrib:4 - -varying vec2 uv_interp; - -#ifdef USE_BLUR_SECTION - -uniform vec4 blur_section; - -#endif - -void main() { - uv_interp = uv_in; - gl_Position = vec4(vertex_attrib, 0.0, 1.0); -#ifdef USE_BLUR_SECTION - - uv_interp = blur_section.xy + uv_interp * blur_section.zw; - gl_Position.xy = (blur_section.xy + (gl_Position.xy * 0.5 + 0.5) * blur_section.zw) * 2.0 - 1.0; -#endif -} - -/* clang-format off */ -[fragment] - -// texture2DLodEXT and textureCubeLodEXT are fragment shader specific. -// Do not copy these defines in the vertex section. -#ifndef USE_GLES_OVER_GL -#ifdef GL_EXT_shader_texture_lod -#extension GL_EXT_shader_texture_lod : enable -#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod) -#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod) -#endif -#endif // !USE_GLES_OVER_GL - -#ifdef GL_ARB_shader_texture_lod -#extension GL_ARB_shader_texture_lod : enable -#endif - -#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod) -#define texture2DLod(img, coord, lod) texture2D(img, coord, lod) -#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod) -#endif - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -#if defined(USE_HIGHP_PRECISION) -precision highp float; -precision highp int; -#else -precision mediump float; -precision mediump int; -#endif -#endif - -varying vec2 uv_interp; -/* clang-format on */ -uniform sampler2D source_color; //texunit:0 - -uniform float lod; -uniform vec2 pixel_size; - -#if defined(GLOW_GAUSSIAN_HORIZONTAL) || defined(GLOW_GAUSSIAN_VERTICAL) - -uniform float glow_strength; - -#endif - -#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR) - -#ifdef USE_GLES_OVER_GL -#ifdef DOF_QUALITY_LOW -const int dof_kernel_size = 5; -const int dof_kernel_from = 2; -const float dof_kernel[5] = float[](0.153388, 0.221461, 0.250301, 0.221461, 0.153388); -#endif - -#ifdef DOF_QUALITY_MEDIUM -const int dof_kernel_size = 11; -const int dof_kernel_from = 5; -const float dof_kernel[11] = float[](0.055037, 0.072806, 0.090506, 0.105726, 0.116061, 0.119726, 0.116061, 0.105726, 0.090506, 0.072806, 0.055037); - -#endif - -#ifdef DOF_QUALITY_HIGH -const int dof_kernel_size = 21; -const int dof_kernel_from = 10; -const float dof_kernel[21] = float[](0.028174, 0.032676, 0.037311, 0.041944, 0.046421, 0.050582, 0.054261, 0.057307, 0.059587, 0.060998, 0.061476, 0.060998, 0.059587, 0.057307, 0.054261, 0.050582, 0.046421, 0.041944, 0.037311, 0.032676, 0.028174); -#endif -#endif - -uniform sampler2D dof_source_depth; //texunit:1 -uniform float dof_begin; -uniform float dof_end; -uniform vec2 dof_dir; -uniform float dof_radius; - -#endif - -#ifdef GLOW_FIRST_PASS - -uniform highp float luminance_cap; - -uniform float glow_bloom; -uniform float glow_hdr_threshold; -uniform float glow_hdr_scale; - -#endif - -uniform float camera_z_far; -uniform float camera_z_near; - -void main() { -#ifdef GLOW_GAUSSIAN_HORIZONTAL - vec2 pix_size = pixel_size; - pix_size *= 0.5; //reading from larger buffer, so use more samples - vec4 color = texture2DLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.174938; - color += texture2DLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.165569; - color += texture2DLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.140367; - color += texture2DLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.106595; - color += texture2DLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.165569; - color += texture2DLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.140367; - color += texture2DLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.106595; - color *= glow_strength; - gl_FragColor = color; -#endif - -#ifdef GLOW_GAUSSIAN_VERTICAL - vec4 color = texture2DLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.288713; - color += texture2DLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.233062; - color += texture2DLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.122581; - color += texture2DLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.233062; - color += texture2DLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.122581; - color *= glow_strength; - gl_FragColor = color; -#endif - -#ifndef USE_GLES_OVER_GL -#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR) - -#ifdef DOF_QUALITY_LOW - const int dof_kernel_size = 5; - const int dof_kernel_from = 2; - float dof_kernel[5]; - dof_kernel[0] = 0.153388; - dof_kernel[1] = 0.221461; - dof_kernel[2] = 0.250301; - dof_kernel[3] = 0.221461; - dof_kernel[4] = 0.153388; -#endif - -#ifdef DOF_QUALITY_MEDIUM - const int dof_kernel_size = 11; - const int dof_kernel_from = 5; - float dof_kernel[11]; - dof_kernel[0] = 0.055037; - dof_kernel[1] = 0.072806; - dof_kernel[2] = 0.090506; - dof_kernel[3] = 0.105726; - dof_kernel[4] = 0.116061; - dof_kernel[5] = 0.119726; - dof_kernel[6] = 0.116061; - dof_kernel[7] = 0.105726; - dof_kernel[8] = 0.090506; - dof_kernel[9] = 0.072806; - dof_kernel[10] = 0.055037; -#endif - -#ifdef DOF_QUALITY_HIGH - const int dof_kernel_size = 21; - const int dof_kernel_from = 10; - float dof_kernel[21]; - dof_kernel[0] = 0.028174; - dof_kernel[1] = 0.032676; - dof_kernel[2] = 0.037311; - dof_kernel[3] = 0.041944; - dof_kernel[4] = 0.046421; - dof_kernel[5] = 0.050582; - dof_kernel[6] = 0.054261; - dof_kernel[7] = 0.057307; - dof_kernel[8] = 0.059587; - dof_kernel[9] = 0.060998; - dof_kernel[10] = 0.061476; - dof_kernel[11] = 0.060998; - dof_kernel[12] = 0.059587; - dof_kernel[13] = 0.057307; - dof_kernel[14] = 0.054261; - dof_kernel[15] = 0.050582; - dof_kernel[16] = 0.046421; - dof_kernel[17] = 0.041944; - dof_kernel[18] = 0.037311; - dof_kernel[19] = 0.032676; - dof_kernel[20] = 0.028174; -#endif -#endif -#endif //!USE_GLES_OVER_GL - -#ifdef DOF_FAR_BLUR - - vec4 color_accum = vec4(0.0); - - float depth = texture2DLod(dof_source_depth, uv_interp, 0.0).r; - depth = depth * 2.0 - 1.0; -#ifdef USE_ORTHOGONAL_PROJECTION - depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0; -#else - depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near)); -#endif - - float amount = smoothstep(dof_begin, dof_end, depth); - float k_accum = 0.0; - - for (int i = 0; i < dof_kernel_size; i++) { - int int_ofs = i - dof_kernel_from; - vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * amount * dof_radius; - - float tap_k = dof_kernel[i]; - - float tap_depth = texture2D(dof_source_depth, tap_uv, 0.0).r; - tap_depth = tap_depth * 2.0 - 1.0; -#ifdef USE_ORTHOGONAL_PROJECTION - tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0; -#else - tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near)); -#endif - float tap_amount = int_ofs == 0 ? 1.0 : smoothstep(dof_begin, dof_end, tap_depth); - tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect - - vec4 tap_color = texture2DLod(source_color, tap_uv, 0.0) * tap_k; - - k_accum += tap_k * tap_amount; - color_accum += tap_color * tap_amount; - } - - if (k_accum > 0.0) { - color_accum /= k_accum; - } - - gl_FragColor = color_accum; ///k_accum; - -#endif - -#ifdef DOF_NEAR_BLUR - - vec4 color_accum = vec4(0.0); - - float max_accum = 0.0; - - for (int i = 0; i < dof_kernel_size; i++) { - int int_ofs = i - dof_kernel_from; - vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * dof_radius; - float ofs_influence = max(0.0, 1.0 - abs(float(int_ofs)) / float(dof_kernel_from)); - - float tap_k = dof_kernel[i]; - - vec4 tap_color = texture2DLod(source_color, tap_uv, 0.0); - - float tap_depth = texture2D(dof_source_depth, tap_uv, 0.0).r; - tap_depth = tap_depth * 2.0 - 1.0; -#ifdef USE_ORTHOGONAL_PROJECTION - tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0; -#else - tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near)); -#endif - float tap_amount = 1.0 - smoothstep(dof_end, dof_begin, tap_depth); - tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect - -#ifdef DOF_NEAR_FIRST_TAP - - tap_color.a = 1.0 - smoothstep(dof_end, dof_begin, tap_depth); - -#endif - - max_accum = max(max_accum, tap_amount * ofs_influence); - - color_accum += tap_color * tap_k; - } - - color_accum.a = max(color_accum.a, sqrt(max_accum)); - - gl_FragColor = color_accum; - -#endif - -#ifdef GLOW_FIRST_PASS - - float luminance = max(gl_FragColor.r, max(gl_FragColor.g, gl_FragColor.b)); - float feedback = max(smoothstep(glow_hdr_threshold, glow_hdr_threshold + glow_hdr_scale, luminance), glow_bloom); - - gl_FragColor = min(gl_FragColor * feedback, vec4(luminance_cap)); - -#endif -} diff --git a/drivers/gles2/shaders/exposure.glsl b/drivers/gles2/shaders/exposure.glsl deleted file mode 100644 index c20812bfa3..0000000000 --- a/drivers/gles2/shaders/exposure.glsl +++ /dev/null @@ -1,86 +0,0 @@ -/* clang-format off */ -[vertex] - -layout(location = 0) in highp vec4 vertex_attrib; -/* clang-format on */ - -void main() { - gl_Position = vertex_attrib; -} - -/* clang-format off */ -[fragment] - -uniform highp sampler2D source_exposure; //texunit:0 -/* clang-format on */ - -#ifdef EXPOSURE_BEGIN - -uniform highp ivec2 source_render_size; -uniform highp ivec2 target_size; - -#endif - -#ifdef EXPOSURE_END - -uniform highp sampler2D prev_exposure; //texunit:1 -uniform highp float exposure_adjust; -uniform highp float min_luminance; -uniform highp float max_luminance; - -#endif - -layout(location = 0) out highp float exposure; - -void main() { -#ifdef EXPOSURE_BEGIN - - ivec2 src_pos = ivec2(gl_FragCoord.xy) * source_render_size / target_size; - -#if 1 - //more precise and expensive, but less jittery - ivec2 next_pos = ivec2(gl_FragCoord.xy + ivec2(1)) * source_render_size / target_size; - next_pos = max(next_pos, src_pos + ivec2(1)); //so it at least reads one pixel - highp vec3 source_color = vec3(0.0); - for (int i = src_pos.x; i < next_pos.x; i++) { - for (int j = src_pos.y; j < next_pos.y; j++) { - source_color += texelFetch(source_exposure, ivec2(i, j), 0).rgb; - } - } - - source_color /= float((next_pos.x - src_pos.x) * (next_pos.y - src_pos.y)); -#else - highp vec3 source_color = texelFetch(source_exposure, src_pos, 0).rgb; - -#endif - - exposure = max(source_color.r, max(source_color.g, source_color.b)); - -#else - - ivec2 coord = ivec2(gl_FragCoord.xy); - exposure = texelFetch(source_exposure, coord * 3 + ivec2(0, 0), 0).r; - exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 0), 0).r; - exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 0), 0).r; - exposure += texelFetch(source_exposure, coord * 3 + ivec2(0, 1), 0).r; - exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 1), 0).r; - exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 1), 0).r; - exposure += texelFetch(source_exposure, coord * 3 + ivec2(0, 2), 0).r; - exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 2), 0).r; - exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 2), 0).r; - exposure *= (1.0 / 9.0); - -#ifdef EXPOSURE_END - -#ifdef EXPOSURE_FORCE_SET - //will stay as is -#else - highp float prev_lum = texelFetch(prev_exposure, ivec2(0, 0), 0).r; //1 pixel previous exposure - exposure = clamp(prev_lum + (exposure - prev_lum) * exposure_adjust, min_luminance, max_luminance); - -#endif //EXPOSURE_FORCE_SET - -#endif //EXPOSURE_END - -#endif //EXPOSURE_BEGIN -} diff --git a/drivers/gles2/shaders/lens_distorted.glsl b/drivers/gles2/shaders/lens_distorted.glsl deleted file mode 100644 index d568006ccc..0000000000 --- a/drivers/gles2/shaders/lens_distorted.glsl +++ /dev/null @@ -1,84 +0,0 @@ -/* clang-format off */ -[vertex] - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -precision highp float; -precision highp int; -#endif - -attribute highp vec2 vertex; // attrib:0 -/* clang-format on */ - -uniform vec2 offset; -uniform vec2 scale; - -varying vec2 uv_interp; - -void main() { - uv_interp = vertex.xy * 2.0 - 1.0; - - vec2 v = vertex.xy * scale + offset; - gl_Position = vec4(v, 0.0, 1.0); -} - -/* clang-format off */ -[fragment] - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -#if defined(USE_HIGHP_PRECISION) -precision highp float; -precision highp int; -#else -precision mediump float; -precision mediump int; -#endif -#endif - -uniform sampler2D source; //texunit:0 -/* clang-format on */ - -uniform vec2 eye_center; -uniform float k1; -uniform float k2; -uniform float upscale; -uniform float aspect_ratio; - -varying vec2 uv_interp; - -void main() { - vec2 coords = uv_interp; - vec2 offset = coords - eye_center; - - // take aspect ratio into account - offset.y /= aspect_ratio; - - // distort - vec2 offset_sq = offset * offset; - float radius_sq = offset_sq.x + offset_sq.y; - float radius_s4 = radius_sq * radius_sq; - float distortion_scale = 1.0 + (k1 * radius_sq) + (k2 * radius_s4); - offset *= distortion_scale; - - // reapply aspect ratio - offset.y *= aspect_ratio; - - // add our eye center back in - coords = offset + eye_center; - coords /= upscale; - - // and check our color - if (coords.x < -1.0 || coords.y < -1.0 || coords.x > 1.0 || coords.y > 1.0) { - gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0); - } else { - coords = (coords + vec2(1.0)) / vec2(2.0); - gl_FragColor = texture2D(source, coords); - } -} diff --git a/drivers/gles2/shaders/particles.glsl b/drivers/gles2/shaders/particles.glsl deleted file mode 100644 index d762dade2f..0000000000 --- a/drivers/gles2/shaders/particles.glsl +++ /dev/null @@ -1,261 +0,0 @@ -/* clang-format off */ -[vertex] - -layout(location = 0) in highp vec4 color; -/* clang-format on */ -layout(location = 1) in highp vec4 velocity_active; -layout(location = 2) in highp vec4 custom; -layout(location = 3) in highp vec4 xform_1; -layout(location = 4) in highp vec4 xform_2; -layout(location = 5) in highp vec4 xform_3; - -struct Attractor { - vec3 pos; - vec3 dir; - float radius; - float eat_radius; - float strength; - float attenuation; -}; - -#define MAX_ATTRACTORS 64 - -uniform bool emitting; -uniform float system_phase; -uniform float prev_system_phase; -uniform int total_particles; -uniform float explosiveness; -uniform float randomness; -uniform float time; -uniform float delta; - -uniform int attractor_count; -uniform Attractor attractors[MAX_ATTRACTORS]; -uniform bool clear; -uniform uint cycle; -uniform float lifetime; -uniform mat4 emission_transform; -uniform uint random_seed; - -out highp vec4 out_color; //tfb: -out highp vec4 out_velocity_active; //tfb: -out highp vec4 out_custom; //tfb: -out highp vec4 out_xform_1; //tfb: -out highp vec4 out_xform_2; //tfb: -out highp vec4 out_xform_3; //tfb: - -#if defined(USE_MATERIAL) - -/* clang-format off */ -layout(std140) uniform UniformData { //ubo:0 - -MATERIAL_UNIFORMS - -}; -/* clang-format on */ - -#endif - -/* clang-format off */ - -VERTEX_SHADER_GLOBALS - -/* clang-format on */ - -uint hash(uint x) { - x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b); - x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b); - x = (x >> uint(16)) ^ x; - return x; -} - -void main() { -#ifdef PARTICLES_COPY - - out_color = color; - out_velocity_active = velocity_active; - out_custom = custom; - out_xform_1 = xform_1; - out_xform_2 = xform_2; - out_xform_3 = xform_3; - -#else - - bool apply_forces = true; - bool apply_velocity = true; - float local_delta = delta; - - float mass = 1.0; - - float restart_phase = float(gl_VertexID) / float(total_particles); - - if (randomness > 0.0) { - uint seed = cycle; - if (restart_phase >= system_phase) { - seed -= uint(1); - } - seed *= uint(total_particles); - seed += uint(gl_VertexID); - float random = float(hash(seed) % uint(65536)) / 65536.0; - restart_phase += randomness * random * 1.0 / float(total_particles); - } - - restart_phase *= (1.0 - explosiveness); - bool restart = false; - bool shader_active = velocity_active.a > 0.5; - - if (system_phase > prev_system_phase) { - // restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed - - if (restart_phase >= prev_system_phase && restart_phase < system_phase) { - restart = true; -#ifdef USE_FRACTIONAL_DELTA - local_delta = (system_phase - restart_phase) * lifetime; -#endif - } - - } else { - if (restart_phase >= prev_system_phase) { - restart = true; -#ifdef USE_FRACTIONAL_DELTA - local_delta = (1.0 - restart_phase + system_phase) * lifetime; -#endif - } else if (restart_phase < system_phase) { - restart = true; -#ifdef USE_FRACTIONAL_DELTA - local_delta = (system_phase - restart_phase) * lifetime; -#endif - } - } - - uint current_cycle = cycle; - - if (system_phase < restart_phase) { - current_cycle -= uint(1); - } - - uint particle_number = current_cycle * uint(total_particles) + uint(gl_VertexID); - int index = int(gl_VertexID); - - if (restart) { - shader_active = emitting; - } - - mat4 xform; - -#if defined(ENABLE_KEEP_DATA) - if (clear) { -#else - if (clear || restart) { -#endif - out_color = vec4(1.0); - out_velocity_active = vec4(0.0); - out_custom = vec4(0.0); - if (!restart) - shader_active = false; - - xform = mat4( - vec4(1.0, 0.0, 0.0, 0.0), - vec4(0.0, 1.0, 0.0, 0.0), - vec4(0.0, 0.0, 1.0, 0.0), - vec4(0.0, 0.0, 0.0, 1.0)); - } else { - out_color = color; - out_velocity_active = velocity_active; - out_custom = custom; - xform = transpose(mat4(xform_1, xform_2, xform_3, vec4(vec3(0.0), 1.0))); - } - - if (shader_active) { - //execute shader - - { - /* clang-format off */ - -VERTEX_SHADER_CODE - - /* clang-format on */ - } - -#if !defined(DISABLE_FORCE) - - if (false) { - vec3 force = vec3(0.0); - for (int i = 0; i < attractor_count; i++) { - vec3 rel_vec = xform[3].xyz - attractors[i].pos; - float dist = length(rel_vec); - if (attractors[i].radius < dist) - continue; - if (attractors[i].eat_radius > 0.0 && attractors[i].eat_radius > dist) { - out_velocity_active.a = 0.0; - } - - rel_vec = normalize(rel_vec); - - float attenuation = pow(dist / attractors[i].radius, attractors[i].attenuation); - - if (attractors[i].dir == vec3(0.0)) { - //towards center - force += attractors[i].strength * rel_vec * attenuation * mass; - } else { - force += attractors[i].strength * attractors[i].dir * attenuation * mass; - } - } - - out_velocity_active.xyz += force * local_delta; - } -#endif - -#if !defined(DISABLE_VELOCITY) - - if (true) { - xform[3].xyz += out_velocity_active.xyz * local_delta; - } -#endif - } else { - xform = mat4(0.0); - } - - xform = transpose(xform); - - out_velocity_active.a = mix(0.0, 1.0, shader_active); - - out_xform_1 = xform[0]; - out_xform_2 = xform[1]; - out_xform_3 = xform[2]; - -#endif //PARTICLES_COPY -} - -/* clang-format off */ -[fragment] - -//any code here is never executed, stuff is filled just so it works - -#if defined(USE_MATERIAL) - -layout(std140) uniform UniformData { - -MATERIAL_UNIFORMS - -}; - -#endif - -FRAGMENT_SHADER_GLOBALS - -void main() { - { - -LIGHT_SHADER_CODE - - } - - { - -FRAGMENT_SHADER_CODE - - } -} - -/* clang-format on */ diff --git a/drivers/gles2/shaders/resolve.glsl b/drivers/gles2/shaders/resolve.glsl deleted file mode 100644 index 071cb37a99..0000000000 --- a/drivers/gles2/shaders/resolve.glsl +++ /dev/null @@ -1,42 +0,0 @@ -/* clang-format off */ -[vertex] - -layout(location = 0) in highp vec4 vertex_attrib; -/* clang-format on */ -layout(location = 4) in vec2 uv_in; - -out vec2 uv_interp; - -void main() { - uv_interp = uv_in; - gl_Position = vertex_attrib; -} - -/* clang-format off */ -[fragment] - -#if !defined(GLES_OVER_GL) -precision mediump float; -#endif - -in vec2 uv_interp; -/* clang-format on */ -uniform sampler2D source_specular; //texunit:0 -uniform sampler2D source_ssr; //texunit:1 - -uniform vec2 pixel_size; - -in vec2 uv2_interp; - -layout(location = 0) out vec4 frag_color; - -void main() { - vec4 specular = texture(source_specular, uv_interp); - -#ifdef USE_SSR - vec4 ssr = textureLod(source_ssr, uv_interp, 0.0); - specular.rgb = mix(specular.rgb, ssr.rgb * specular.a, ssr.a); -#endif - - frag_color = vec4(specular.rgb, 1.0); -} diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl deleted file mode 100644 index 0311dc4742..0000000000 --- a/drivers/gles2/shaders/scene.glsl +++ /dev/null @@ -1,2192 +0,0 @@ -/* clang-format off */ -[vertex] - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -precision highp float; -precision highp int; -#endif - -#ifndef USE_GLES_OVER_GL -#extension GL_OES_texture_3D : enable -#else -#extension GL_EXT_texture_array : enable -#endif - -/* clang-format on */ -#include "stdlib.glsl" -/* clang-format off */ - -#define SHADER_IS_SRGB true - -#define M_PI 3.14159265359 - - -// -// attributes -// - -attribute highp vec4 vertex_attrib; // attrib:0 -/* clang-format on */ -attribute vec3 normal_attrib; // attrib:1 - -#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) -attribute vec4 tangent_attrib; // attrib:2 -#endif - -#if defined(ENABLE_COLOR_INTERP) -attribute vec4 color_attrib; // attrib:3 -#endif - -#if defined(ENABLE_UV_INTERP) -attribute vec2 uv_attrib; // attrib:4 -#endif - -#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP) -attribute vec2 uv2_attrib; // attrib:5 -#endif - -#ifdef USE_SKELETON - -#ifdef USE_SKELETON_SOFTWARE - -attribute highp vec4 bone_transform_row_0; // attrib:13 -attribute highp vec4 bone_transform_row_1; // attrib:14 -attribute highp vec4 bone_transform_row_2; // attrib:15 - -#else - -attribute vec4 bone_ids; // attrib:6 -attribute highp vec4 bone_weights; // attrib:7 - -uniform highp sampler2D bone_transforms; // texunit:-1 -uniform ivec2 skeleton_texture_size; - -#endif - -#endif - -#ifdef USE_INSTANCING - -attribute highp vec4 instance_xform_row_0; // attrib:8 -attribute highp vec4 instance_xform_row_1; // attrib:9 -attribute highp vec4 instance_xform_row_2; // attrib:10 - -attribute highp vec4 instance_color; // attrib:11 -attribute highp vec4 instance_custom_data; // attrib:12 - -#endif - -// -// uniforms -// - -uniform highp mat4 camera_matrix; -uniform highp mat4 camera_inverse_matrix; -uniform highp mat4 projection_matrix; -uniform highp mat4 projection_inverse_matrix; - -uniform highp mat4 world_transform; - -uniform highp float time; - -uniform highp vec2 viewport_size; - -#ifdef RENDER_DEPTH -uniform float light_bias; -uniform float light_normal_bias; -#endif - -// -// varyings -// - -#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS) -varying highp vec4 position_interp; -#endif - -varying highp vec3 vertex_interp; -varying vec3 normal_interp; - -#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) -varying vec3 tangent_interp; -varying vec3 binormal_interp; -#endif - -#if defined(ENABLE_COLOR_INTERP) -varying vec4 color_interp; -#endif - -#if defined(ENABLE_UV_INTERP) -varying vec2 uv_interp; -#endif - -#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP) -varying vec2 uv2_interp; -#endif - -/* clang-format off */ - -VERTEX_SHADER_GLOBALS - -/* clang-format on */ - -#ifdef RENDER_DEPTH_DUAL_PARABOLOID - -varying highp float dp_clip; -uniform highp float shadow_dual_paraboloid_render_zfar; -uniform highp float shadow_dual_paraboloid_render_side; - -#endif - -#if defined(USE_SHADOW) && defined(USE_LIGHTING) - -uniform highp mat4 light_shadow_matrix; -varying highp vec4 shadow_coord; - -#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4) -uniform highp mat4 light_shadow_matrix2; -varying highp vec4 shadow_coord2; -#endif - -#if defined(LIGHT_USE_PSSM4) - -uniform highp mat4 light_shadow_matrix3; -uniform highp mat4 light_shadow_matrix4; -varying highp vec4 shadow_coord3; -varying highp vec4 shadow_coord4; - -#endif - -#endif - -#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING) - -varying highp vec3 diffuse_interp; -varying highp vec3 specular_interp; - -// general for all lights -uniform highp vec4 light_color; -uniform highp vec4 shadow_color; -uniform highp float light_specular; - -// directional -uniform highp vec3 light_direction; - -// omni -uniform highp vec3 light_position; - -uniform highp float light_range; -uniform highp float light_attenuation; - -// spot -uniform highp float light_spot_attenuation; -uniform highp float light_spot_range; -uniform highp float light_spot_angle; - -void light_compute( - vec3 N, - vec3 L, - vec3 V, - vec3 light_color, - vec3 attenuation, - float roughness) { -//this makes lights behave closer to linear, but then addition of lights looks bad -//better left disabled - -//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545); -/* -#define SRGB_APPROX(m_var) {\ - float S1 = sqrt(m_var);\ - float S2 = sqrt(S1);\ - float S3 = sqrt(S2);\ - m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\ - } -*/ -#define SRGB_APPROX(m_var) - - float NdotL = dot(N, L); - float cNdotL = max(NdotL, 0.0); // clamped NdotL - float NdotV = dot(N, V); - float cNdotV = max(NdotV, 0.0); - -#if defined(DIFFUSE_OREN_NAYAR) - vec3 diffuse_brdf_NL; -#else - float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance -#endif - -#if defined(DIFFUSE_LAMBERT_WRAP) - // energy conserving lambert wrap shader - diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness))); - -#elif defined(DIFFUSE_OREN_NAYAR) - - { - // see http://mimosa-pudica.net/improved-oren-nayar.html - float LdotV = dot(L, V); - - float s = LdotV - NdotL * NdotV; - float t = mix(1.0, max(NdotL, NdotV), step(0.0, s)); - - float sigma2 = roughness * roughness; // TODO: this needs checking - vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13)); - float B = 0.45 * sigma2 / (sigma2 + 0.09); - - diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI); - } -#else - // lambert by default for everything else - diffuse_brdf_NL = cNdotL * (1.0 / M_PI); -#endif - - SRGB_APPROX(diffuse_brdf_NL) - - diffuse_interp += light_color * diffuse_brdf_NL * attenuation; - - if (roughness > 0.0) { - // D - float specular_brdf_NL = 0.0; - -#if !defined(SPECULAR_DISABLED) - //normalized blinn always unless disabled - vec3 H = normalize(V + L); - float cNdotH = max(dot(N, H), 0.0); - float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25; - float blinn = pow(cNdotH, shininess) * cNdotL; - blinn *= (shininess + 8.0) * (1.0 / (8.0 * M_PI)); - specular_brdf_NL = blinn; -#endif - - SRGB_APPROX(specular_brdf_NL) - specular_interp += specular_brdf_NL * light_color * attenuation * (1.0 / M_PI); - } -} - -#endif - -#ifdef USE_VERTEX_LIGHTING - -#ifdef USE_REFLECTION_PROBE1 - -uniform highp mat4 refprobe1_local_matrix; -varying mediump vec4 refprobe1_reflection_normal_blend; -uniform highp vec3 refprobe1_box_extents; - -#ifndef USE_LIGHTMAP -varying mediump vec3 refprobe1_ambient_normal; -#endif - -#endif //reflection probe1 - -#ifdef USE_REFLECTION_PROBE2 - -uniform highp mat4 refprobe2_local_matrix; -varying mediump vec4 refprobe2_reflection_normal_blend; -uniform highp vec3 refprobe2_box_extents; - -#ifndef USE_LIGHTMAP -varying mediump vec3 refprobe2_ambient_normal; -#endif - -#endif //reflection probe2 - -#endif //vertex lighting for refprobes - -#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED) - -varying vec4 fog_interp; - -uniform mediump vec4 fog_color_base; -#ifdef LIGHT_MODE_DIRECTIONAL -uniform mediump vec4 fog_sun_color_amount; -#endif - -uniform bool fog_transmit_enabled; -uniform mediump float fog_transmit_curve; - -#ifdef FOG_DEPTH_ENABLED -uniform highp float fog_depth_begin; -uniform mediump float fog_depth_curve; -uniform mediump float fog_max_distance; -#endif - -#ifdef FOG_HEIGHT_ENABLED -uniform highp float fog_height_min; -uniform highp float fog_height_max; -uniform mediump float fog_height_curve; -#endif - -#endif //fog - -void main() { - highp vec4 vertex = vertex_attrib; - - mat4 world_matrix = world_transform; - -#ifdef USE_INSTANCING - { - highp mat4 m = mat4( - instance_xform_row_0, - instance_xform_row_1, - instance_xform_row_2, - vec4(0.0, 0.0, 0.0, 1.0)); - world_matrix = world_matrix * transpose(m); - } - -#endif - - vec3 normal = normal_attrib; - -#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) - vec3 tangent = tangent_attrib.xyz; - float binormalf = tangent_attrib.a; - vec3 binormal = normalize(cross(normal, tangent) * binormalf); -#endif - -#if defined(ENABLE_COLOR_INTERP) - color_interp = color_attrib; -#ifdef USE_INSTANCING - color_interp *= instance_color; -#endif -#endif - -#if defined(ENABLE_UV_INTERP) - uv_interp = uv_attrib; -#endif - -#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP) - uv2_interp = uv2_attrib; -#endif - -#if defined(OVERRIDE_POSITION) - highp vec4 position; -#endif - -#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED) - vertex = world_matrix * vertex; - normal = normalize((world_matrix * vec4(normal, 0.0)).xyz); -#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) - - tangent = normalize((world_matrix * vec4(tangent, 0.0)).xyz); - binormal = normalize((world_matrix * vec4(binormal, 0.0)).xyz); -#endif -#endif - -#ifdef USE_SKELETON - - highp mat4 bone_transform = mat4(0.0); - -#ifdef USE_SKELETON_SOFTWARE - // passing the transform as attributes - - bone_transform[0] = vec4(bone_transform_row_0.x, bone_transform_row_1.x, bone_transform_row_2.x, 0.0); - bone_transform[1] = vec4(bone_transform_row_0.y, bone_transform_row_1.y, bone_transform_row_2.y, 0.0); - bone_transform[2] = vec4(bone_transform_row_0.z, bone_transform_row_1.z, bone_transform_row_2.z, 0.0); - bone_transform[3] = vec4(bone_transform_row_0.w, bone_transform_row_1.w, bone_transform_row_2.w, 1.0); - -#else - // look up transform from the "pose texture" - { - for (int i = 0; i < 4; i++) { - ivec2 tex_ofs = ivec2(int(bone_ids[i]) * 3, 0); - - highp mat4 b = mat4( - texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(0, 0)), - texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(1, 0)), - texel2DFetch(bone_transforms, skeleton_texture_size, tex_ofs + ivec2(2, 0)), - vec4(0.0, 0.0, 0.0, 1.0)); - - bone_transform += transpose(b) * bone_weights[i]; - } - } - -#endif - - world_matrix = world_matrix * bone_transform; - -#endif - -#ifdef USE_INSTANCING - vec4 instance_custom = instance_custom_data; -#else - vec4 instance_custom = vec4(0.0); - -#endif - - mat4 local_projection_matrix = projection_matrix; - - mat4 modelview = camera_inverse_matrix * world_matrix; - float roughness = 1.0; - -#define projection_matrix local_projection_matrix -#define world_transform world_matrix - - float point_size = 1.0; - - { - /* clang-format off */ - -VERTEX_SHADER_CODE - - /* clang-format on */ - } - - gl_PointSize = point_size; - vec4 outvec = vertex; - - // use local coordinates -#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED) - vertex = modelview * vertex; - normal = normalize((modelview * vec4(normal, 0.0)).xyz); - -#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) - tangent = normalize((modelview * vec4(tangent, 0.0)).xyz); - binormal = normalize((modelview * vec4(binormal, 0.0)).xyz); -#endif -#endif - -#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED) - vertex = camera_inverse_matrix * vertex; - normal = normalize((camera_inverse_matrix * vec4(normal, 0.0)).xyz); -#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) - tangent = normalize((camera_inverse_matrix * vec4(tangent, 0.0)).xyz); - binormal = normalize((camera_inverse_matrix * vec4(binormal, 0.0)).xyz); -#endif -#endif - - vertex_interp = vertex.xyz; - normal_interp = normal; - -#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) - tangent_interp = tangent; - binormal_interp = binormal; -#endif - -#ifdef RENDER_DEPTH - -#ifdef RENDER_DEPTH_DUAL_PARABOLOID - - vertex_interp.z *= shadow_dual_paraboloid_render_side; - normal_interp.z *= shadow_dual_paraboloid_render_side; - - dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias - - //for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges - - highp vec3 vtx = vertex_interp + normalize(vertex_interp) * light_bias; - highp float distance = length(vtx); - vtx = normalize(vtx); - vtx.xy /= 1.0 - vtx.z; - vtx.z = (distance / shadow_dual_paraboloid_render_zfar); - vtx.z = vtx.z * 2.0 - 1.0; - - vertex_interp = vtx; - -#else - float z_ofs = light_bias; - z_ofs += (1.0 - abs(normal_interp.z)) * light_normal_bias; - - vertex_interp.z -= z_ofs; -#endif //dual parabolloid - -#endif //depth - -//vertex lighting -#if defined(USE_VERTEX_LIGHTING) && defined(USE_LIGHTING) - //vertex shaded version of lighting (more limited) - vec3 L; - vec3 light_att; - -#ifdef LIGHT_MODE_OMNI - vec3 light_vec = light_position - vertex_interp; - float light_length = length(light_vec); - - float normalized_distance = light_length / light_range; - - if (normalized_distance < 1.0) { - float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation); - - vec3 attenuation = vec3(omni_attenuation); - light_att = vec3(omni_attenuation); - } else { - light_att = vec3(0.0); - } - - L = normalize(light_vec); - -#endif - -#ifdef LIGHT_MODE_SPOT - - vec3 light_rel_vec = light_position - vertex_interp; - float light_length = length(light_rel_vec); - float normalized_distance = light_length / light_range; - - if (normalized_distance < 1.0) { - float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation); - vec3 spot_dir = light_direction; - - float spot_cutoff = light_spot_angle; - - float angle = dot(-normalize(light_rel_vec), spot_dir); - - if (angle > spot_cutoff) { - float scos = max(angle, spot_cutoff); - float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff)); - - spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation); - - light_att = vec3(spot_attenuation); - } else { - light_att = vec3(0.0); - } - } else { - light_att = vec3(0.0); - } - - L = normalize(light_rel_vec); - -#endif - -#ifdef LIGHT_MODE_DIRECTIONAL - vec3 light_vec = -light_direction; - light_att = vec3(1.0); //no base attenuation - L = normalize(light_vec); -#endif - - diffuse_interp = vec3(0.0); - specular_interp = vec3(0.0); - light_compute(normal_interp, L, -normalize(vertex_interp), light_color.rgb, light_att, roughness); - -#endif - -//shadows (for both vertex and fragment) -#if defined(USE_SHADOW) && defined(USE_LIGHTING) - - vec4 vi4 = vec4(vertex_interp, 1.0); - shadow_coord = light_shadow_matrix * vi4; - -#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4) - shadow_coord2 = light_shadow_matrix2 * vi4; -#endif - -#if defined(LIGHT_USE_PSSM4) - shadow_coord3 = light_shadow_matrix3 * vi4; - shadow_coord4 = light_shadow_matrix4 * vi4; - -#endif - -#endif //use shadow and use lighting - -#ifdef USE_VERTEX_LIGHTING - -#ifdef USE_REFLECTION_PROBE1 - { - vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp)); - vec3 local_pos = (refprobe1_local_matrix * vec4(vertex_interp, 1.0)).xyz; - vec3 inner_pos = abs(local_pos / refprobe1_box_extents); - float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z)); - - { - vec3 local_ref_vec = (refprobe1_local_matrix * vec4(ref_normal, 0.0)).xyz; - refprobe1_reflection_normal_blend.xyz = local_ref_vec; - refprobe1_reflection_normal_blend.a = blend; - } -#ifndef USE_LIGHTMAP - - refprobe1_ambient_normal = (refprobe1_local_matrix * vec4(normal_interp, 0.0)).xyz; -#endif - } - -#endif //USE_REFLECTION_PROBE1 - -#ifdef USE_REFLECTION_PROBE2 - { - vec3 ref_normal = normalize(reflect(vertex_interp, normal_interp)); - vec3 local_pos = (refprobe2_local_matrix * vec4(vertex_interp, 1.0)).xyz; - vec3 inner_pos = abs(local_pos / refprobe2_box_extents); - float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z)); - - { - vec3 local_ref_vec = (refprobe2_local_matrix * vec4(ref_normal, 0.0)).xyz; - refprobe2_reflection_normal_blend.xyz = local_ref_vec; - refprobe2_reflection_normal_blend.a = blend; - } -#ifndef USE_LIGHTMAP - - refprobe2_ambient_normal = (refprobe2_local_matrix * vec4(normal_interp, 0.0)).xyz; -#endif - } - -#endif //USE_REFLECTION_PROBE2 - -#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED) - - float fog_amount = 0.0; - -#ifdef LIGHT_MODE_DIRECTIONAL - - vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(normalize(vertex_interp), light_direction), 0.0), 8.0)); -#else - vec3 fog_color = fog_color_base.rgb; -#endif - -#ifdef FOG_DEPTH_ENABLED - - { - float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex)); - - fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a; - } -#endif - -#ifdef FOG_HEIGHT_ENABLED - { - float y = (camera_matrix * vec4(vertex_interp, 1.0)).y; - fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve)); - } -#endif - fog_interp = vec4(fog_color, fog_amount); - -#endif //fog - -#endif //use vertex lighting - -#if defined(OVERRIDE_POSITION) - gl_Position = position; -#else - gl_Position = projection_matrix * vec4(vertex_interp, 1.0); -#endif - -#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS) - position_interp = gl_Position; -#endif -} - -/* clang-format off */ -[fragment] - -#ifndef USE_GLES_OVER_GL -#extension GL_OES_texture_3D : enable -#else -#extension GL_EXT_texture_array : enable -#endif - -// texture2DLodEXT and textureCubeLodEXT are fragment shader specific. -// Do not copy these defines in the vertex section. -#ifndef USE_GLES_OVER_GL -#ifdef GL_EXT_shader_texture_lod -#extension GL_EXT_shader_texture_lod : enable -#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod) -#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod) -#endif -#endif // !USE_GLES_OVER_GL - -#ifdef GL_ARB_shader_texture_lod -#extension GL_ARB_shader_texture_lod : enable -#endif - -#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod) -#define texture2DLod(img, coord, lod) texture2D(img, coord, lod) -#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod) -#endif - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -#if defined(USE_HIGHP_PRECISION) -precision highp float; -precision highp int; -#else -precision mediump float; -precision mediump int; -#endif -#endif - -#include "stdlib.glsl" - -#define M_PI 3.14159265359 -#define SHADER_IS_SRGB true - -// -// uniforms -// - -uniform highp mat4 camera_matrix; -/* clang-format on */ -uniform highp mat4 camera_inverse_matrix; -uniform highp mat4 projection_matrix; -uniform highp mat4 projection_inverse_matrix; - -uniform highp mat4 world_transform; - -uniform highp float time; - -uniform highp vec2 viewport_size; - -#if defined(SCREEN_UV_USED) -uniform vec2 screen_pixel_size; -#endif - -#if defined(SCREEN_TEXTURE_USED) -uniform highp sampler2D screen_texture; //texunit:-4 -#endif -#if defined(DEPTH_TEXTURE_USED) -uniform highp sampler2D depth_texture; //texunit:-4 -#endif - -#ifdef USE_REFLECTION_PROBE1 - -#ifdef USE_VERTEX_LIGHTING - -varying mediump vec4 refprobe1_reflection_normal_blend; -#ifndef USE_LIGHTMAP -varying mediump vec3 refprobe1_ambient_normal; -#endif - -#else - -uniform bool refprobe1_use_box_project; -uniform highp vec3 refprobe1_box_extents; -uniform vec3 refprobe1_box_offset; -uniform highp mat4 refprobe1_local_matrix; - -#endif //use vertex lighting - -uniform bool refprobe1_exterior; - -uniform highp samplerCube reflection_probe1; //texunit:-5 - -uniform float refprobe1_intensity; -uniform vec4 refprobe1_ambient; - -#endif //USE_REFLECTION_PROBE1 - -#ifdef USE_REFLECTION_PROBE2 - -#ifdef USE_VERTEX_LIGHTING - -varying mediump vec4 refprobe2_reflection_normal_blend; -#ifndef USE_LIGHTMAP -varying mediump vec3 refprobe2_ambient_normal; -#endif - -#else - -uniform bool refprobe2_use_box_project; -uniform highp vec3 refprobe2_box_extents; -uniform vec3 refprobe2_box_offset; -uniform highp mat4 refprobe2_local_matrix; - -#endif //use vertex lighting - -uniform bool refprobe2_exterior; - -uniform highp samplerCube reflection_probe2; //texunit:-6 - -uniform float refprobe2_intensity; -uniform vec4 refprobe2_ambient; - -#endif //USE_REFLECTION_PROBE2 - -#define RADIANCE_MAX_LOD 6.0 - -#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2) - -void reflection_process(samplerCube reflection_map, -#ifdef USE_VERTEX_LIGHTING - vec3 ref_normal, -#ifndef USE_LIGHTMAP - vec3 amb_normal, -#endif - float ref_blend, - -#else //no vertex lighting - vec3 normal, vec3 vertex, - mat4 local_matrix, - bool use_box_project, vec3 box_extents, vec3 box_offset, -#endif //vertex lighting - bool exterior, float intensity, vec4 ref_ambient, float roughness, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) { - - vec4 reflection; - -#ifdef USE_VERTEX_LIGHTING - - reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb; - - float blend = ref_blend; //crappier blend formula for vertex - blend *= blend; - blend = max(0.0, 1.0 - blend); - -#else //fragment lighting - - vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz; - - if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box - return; - } - - vec3 inner_pos = abs(local_pos / box_extents); - float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z)); - blend = mix(length(inner_pos), blend, blend); - blend *= blend; - blend = max(0.0, 1.0 - blend); - - //reflect and make local - vec3 ref_normal = normalize(reflect(vertex, normal)); - ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz; - - if (use_box_project) { //box project - - vec3 nrdir = normalize(ref_normal); - vec3 rbmax = (box_extents - local_pos) / nrdir; - vec3 rbmin = (-box_extents - local_pos) / nrdir; - - vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0)))); - - float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z); - vec3 posonbox = local_pos + nrdir * fa; - ref_normal = posonbox - box_offset.xyz; - } - - reflection.rgb = textureCubeLod(reflection_map, ref_normal, roughness * RADIANCE_MAX_LOD).rgb; -#endif - - if (exterior) { - reflection.rgb = mix(skybox, reflection.rgb, blend); - } - reflection.rgb *= intensity; - reflection.a = blend; - reflection.rgb *= blend; - - reflection_accum += reflection; - -#ifndef USE_LIGHTMAP - - vec4 ambient_out; -#ifndef USE_VERTEX_LIGHTING - - vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz; -#endif - - ambient_out.rgb = textureCubeLod(reflection_map, amb_normal, RADIANCE_MAX_LOD).rgb; - ambient_out.rgb = mix(ref_ambient.rgb, ambient_out.rgb, ref_ambient.a); - if (exterior) { - ambient_out.rgb = mix(ambient, ambient_out.rgb, blend); - } - - ambient_out.a = blend; - ambient_out.rgb *= blend; - ambient_accum += ambient_out; - -#endif -} - -#endif //use refprobe 1 or 2 - -#ifdef USE_LIGHTMAP -uniform mediump sampler2D lightmap; //texunit:-4 -uniform mediump float lightmap_energy; -#endif - -#ifdef USE_LIGHTMAP_CAPTURE -uniform mediump vec4[12] lightmap_captures; -uniform bool lightmap_capture_sky; - -#endif - -#ifdef USE_RADIANCE_MAP - -uniform samplerCube radiance_map; // texunit:-2 - -uniform mat4 radiance_inverse_xform; - -#endif - -uniform vec4 bg_color; -uniform float bg_energy; - -uniform float ambient_sky_contribution; -uniform vec4 ambient_color; -uniform float ambient_energy; - -#ifdef USE_LIGHTING - -uniform highp vec4 shadow_color; - -#ifdef USE_VERTEX_LIGHTING - -//get from vertex -varying highp vec3 diffuse_interp; -varying highp vec3 specular_interp; - -uniform highp vec3 light_direction; //may be used by fog, so leave here - -#else -//done in fragment -// general for all lights -uniform highp vec4 light_color; - -uniform highp float light_specular; - -// directional -uniform highp vec3 light_direction; -// omni -uniform highp vec3 light_position; - -uniform highp float light_attenuation; - -// spot -uniform highp float light_spot_attenuation; -uniform highp float light_spot_range; -uniform highp float light_spot_angle; -#endif - -//this is needed outside above if because dual paraboloid wants it -uniform highp float light_range; - -#ifdef USE_SHADOW - -uniform highp vec2 shadow_pixel_size; - -#if defined(LIGHT_MODE_OMNI) || defined(LIGHT_MODE_SPOT) -uniform highp sampler2D light_shadow_atlas; //texunit:-3 -#endif - -#ifdef LIGHT_MODE_DIRECTIONAL -uniform highp sampler2D light_directional_shadow; // texunit:-3 -uniform highp vec4 light_split_offsets; -#endif - -varying highp vec4 shadow_coord; - -#if defined(LIGHT_USE_PSSM2) || defined(LIGHT_USE_PSSM4) -varying highp vec4 shadow_coord2; -#endif - -#if defined(LIGHT_USE_PSSM4) - -varying highp vec4 shadow_coord3; -varying highp vec4 shadow_coord4; - -#endif - -uniform vec4 light_clamp; - -#endif // light shadow - -// directional shadow - -#endif - -// -// varyings -// - -#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS) -varying highp vec4 position_interp; -#endif - -varying highp vec3 vertex_interp; -varying vec3 normal_interp; - -#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) -varying vec3 tangent_interp; -varying vec3 binormal_interp; -#endif - -#if defined(ENABLE_COLOR_INTERP) -varying vec4 color_interp; -#endif - -#if defined(ENABLE_UV_INTERP) -varying vec2 uv_interp; -#endif - -#if defined(ENABLE_UV2_INTERP) || defined(USE_LIGHTMAP) -varying vec2 uv2_interp; -#endif - -varying vec3 view_interp; - -vec3 F0(float metallic, float specular, vec3 albedo) { - float dielectric = 0.16 * specular * specular; - // use albedo * metallic as colored specular reflectance at 0 angle for metallic materials; - // see https://google.github.io/filament/Filament.md.html - return mix(vec3(dielectric), albedo, vec3(metallic)); -} - -/* clang-format off */ - -FRAGMENT_SHADER_GLOBALS - -/* clang-format on */ - -#ifdef RENDER_DEPTH_DUAL_PARABOLOID - -varying highp float dp_clip; - -#endif - -#ifdef USE_LIGHTING - -// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V. -// We're dividing this factor off because the overall term we'll end up looks like -// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012): -// -// F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V) -// -// We're basically regouping this as -// -// F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)] -// -// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V. -// -// The contents of the D and G (G1) functions (GGX) are taken from -// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014). -// Eqns 71-72 and 85-86 (see also Eqns 43 and 80). - -/* -float G_GGX_2cos(float cos_theta_m, float alpha) { - // Schlick's approximation - // C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994) - // Eq. (19), although see Heitz (2014) the about the problems with his derivation. - // It nevertheless approximates GGX well with k = alpha/2. - float k = 0.5 * alpha; - return 0.5 / (cos_theta_m * (1.0 - k) + k); - - // float cos2 = cos_theta_m * cos_theta_m; - // float sin2 = (1.0 - cos2); - // return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2)); -} - -*/ - -// This approximates G_GGX_2cos(cos_theta_l, alpha) * G_GGX_2cos(cos_theta_v, alpha) -// See Filament docs, Specular G section. -float V_GGX(float cos_theta_l, float cos_theta_v, float alpha) { - return 0.5 / mix(2.0 * cos_theta_l * cos_theta_v, cos_theta_l + cos_theta_v, alpha); -} - -float D_GGX(float cos_theta_m, float alpha) { - float alpha2 = alpha * alpha; - float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m; - return alpha2 / (M_PI * d * d); -} - -/* -float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) { - float cos2 = cos_theta_m * cos_theta_m; - float sin2 = (1.0 - cos2); - float s_x = alpha_x * cos_phi; - float s_y = alpha_y * sin_phi; - return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001); -} - -*/ - -// This approximates G_GGX_anisotropic_2cos(cos_theta_l, ...) * G_GGX_anisotropic_2cos(cos_theta_v, ...) -// See Filament docs, Anisotropic specular BRDF section. -float V_GGX_anisotropic(float alpha_x, float alpha_y, float TdotV, float TdotL, float BdotV, float BdotL, float NdotV, float NdotL) { - float Lambda_V = NdotL * length(vec3(alpha_x * TdotV, alpha_y * BdotV, NdotV)); - float Lambda_L = NdotV * length(vec3(alpha_x * TdotL, alpha_y * BdotL, NdotL)); - return 0.5 / (Lambda_V + Lambda_L); -} - -float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi, float NdotH) { - float alpha2 = alpha_x * alpha_y; - highp vec3 v = vec3(alpha_y * cos_phi, alpha_x * sin_phi, alpha2 * NdotH); - highp float v2 = dot(v, v); - float w2 = alpha2 / v2; - float D = alpha2 * w2 * w2 * (1.0 / M_PI); - return D; - - /* float cos2 = cos_theta_m * cos_theta_m; - float sin2 = (1.0 - cos2); - float r_x = cos_phi / alpha_x; - float r_y = sin_phi / alpha_y; - float d = cos2 + sin2 * (r_x * r_x + r_y * r_y); - return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); */ -} - -float SchlickFresnel(float u) { - float m = 1.0 - u; - float m2 = m * m; - return m2 * m2 * m; // pow(m,5) -} - -float GTR1(float NdotH, float a) { - if (a >= 1.0) - return 1.0 / M_PI; - float a2 = a * a; - float t = 1.0 + (a2 - 1.0) * NdotH * NdotH; - return (a2 - 1.0) / (M_PI * log(a2) * t); -} - -void light_compute( - vec3 N, - vec3 L, - vec3 V, - vec3 B, - vec3 T, - vec3 light_color, - vec3 attenuation, - vec3 diffuse_color, - vec3 transmission, - float specular_blob_intensity, - float roughness, - float metallic, - float specular, - float rim, - float rim_tint, - float clearcoat, - float clearcoat_gloss, - float anisotropy, - inout vec3 diffuse_light, - inout vec3 specular_light, - inout float alpha) { -//this makes lights behave closer to linear, but then addition of lights looks bad -//better left disabled - -//#define SRGB_APPROX(m_var) m_var = pow(m_var,0.4545454545); -/* -#define SRGB_APPROX(m_var) {\ - float S1 = sqrt(m_var);\ - float S2 = sqrt(S1);\ - float S3 = sqrt(S2);\ - m_var = 0.662002687 * S1 + 0.684122060 * S2 - 0.323583601 * S3 - 0.0225411470 * m_var;\ - } -*/ -#define SRGB_APPROX(m_var) - -#if defined(USE_LIGHT_SHADER_CODE) - // light is written by the light shader - - vec3 normal = N; - vec3 albedo = diffuse_color; - vec3 light = L; - vec3 view = V; - - /* clang-format off */ - -LIGHT_SHADER_CODE - - /* clang-format on */ - -#else - float NdotL = dot(N, L); - float cNdotL = max(NdotL, 0.0); // clamped NdotL - float NdotV = dot(N, V); - float cNdotV = max(abs(NdotV), 1e-6); - -#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT) - vec3 H = normalize(V + L); -#endif - -#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT) - float cNdotH = max(dot(N, H), 0.0); -#endif - -#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_USE_CLEARCOAT) - float cLdotH = max(dot(L, H), 0.0); -#endif - - if (metallic < 1.0) { -#if defined(DIFFUSE_OREN_NAYAR) - vec3 diffuse_brdf_NL; -#else - float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance -#endif - -#if defined(DIFFUSE_LAMBERT_WRAP) - // energy conserving lambert wrap shader - diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness))); - -#elif defined(DIFFUSE_OREN_NAYAR) - - { - // see http://mimosa-pudica.net/improved-oren-nayar.html - float LdotV = dot(L, V); - - float s = LdotV - NdotL * NdotV; - float t = mix(1.0, max(NdotL, NdotV), step(0.0, s)); - - float sigma2 = roughness * roughness; // TODO: this needs checking - vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13)); - float B = 0.45 * sigma2 / (sigma2 + 0.09); - - diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI); - } - -#elif defined(DIFFUSE_TOON) - - diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL); - -#elif defined(DIFFUSE_BURLEY) - - { - float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5; - float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV); - float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL); - diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL; - /* - float energyBias = mix(roughness, 0.0, 0.5); - float energyFactor = mix(roughness, 1.0, 1.0 / 1.51); - float fd90 = energyBias + 2.0 * VoH * VoH * roughness; - float f0 = 1.0; - float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0); - float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0); - - diffuse_brdf_NL = lightScatter * viewScatter * energyFactor; - */ - } -#else - // lambert - diffuse_brdf_NL = cNdotL * (1.0 / M_PI); -#endif - - SRGB_APPROX(diffuse_brdf_NL) - - diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation; - -#if defined(TRANSMISSION_USED) - diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation; -#endif - -#if defined(LIGHT_USE_RIM) - float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0)); - diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color; -#endif - } - - if (roughness > 0.0) { - -#if defined(SPECULAR_SCHLICK_GGX) - vec3 specular_brdf_NL = vec3(0.0); -#else - float specular_brdf_NL = 0.0; -#endif - -#if defined(SPECULAR_BLINN) - - //normalized blinn - float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25; - float blinn = pow(cNdotH, shininess) * cNdotL; - blinn *= (shininess + 8.0) * (1.0 / (8.0 * M_PI)); - specular_brdf_NL = blinn; - -#elif defined(SPECULAR_PHONG) - - vec3 R = normalize(-reflect(L, N)); - float cRdotV = max(0.0, dot(R, V)); - float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25; - float phong = pow(cRdotV, shininess); - phong *= (shininess + 8.0) * (1.0 / (8.0 * M_PI)); - specular_brdf_NL = (phong) / max(4.0 * cNdotV * cNdotL, 0.75); - -#elif defined(SPECULAR_TOON) - - vec3 R = normalize(-reflect(L, N)); - float RdotV = dot(R, V); - float mid = 1.0 - roughness; - mid *= mid; - specular_brdf_NL = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid; - -#elif defined(SPECULAR_DISABLED) - // none.. -#elif defined(SPECULAR_SCHLICK_GGX) - // shlick+ggx as default - -#if defined(LIGHT_USE_ANISOTROPY) - float alpha_ggx = roughness * roughness; - float aspect = sqrt(1.0 - anisotropy * 0.9); - float ax = alpha_ggx / aspect; - float ay = alpha_ggx * aspect; - float XdotH = dot(T, H); - float YdotH = dot(B, H); - float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH); - //float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH); - float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL); - -#else - float alpha_ggx = roughness * roughness; - float D = D_GGX(cNdotH, alpha_ggx); - //float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx); - float G = V_GGX(cNdotL, cNdotV, alpha_ggx); -#endif - // F - vec3 f0 = F0(metallic, specular, diffuse_color); - float cLdotH5 = SchlickFresnel(cLdotH); - vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0); - - specular_brdf_NL = cNdotL * D * F * G; - -#endif - - SRGB_APPROX(specular_brdf_NL) - specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation; - -#if defined(LIGHT_USE_CLEARCOAT) - -#if !defined(SPECULAR_SCHLICK_GGX) - float cLdotH5 = SchlickFresnel(cLdotH); -#endif - float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss)); - float Fr = mix(.04, 1.0, cLdotH5); - //float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25); - float Gr = V_GGX(cNdotL, cNdotV, 0.25); - - float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL; - - specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation; -#endif - } - -#ifdef USE_SHADOW_TO_OPACITY - alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0)); -#endif - -#endif //defined(USE_LIGHT_SHADER_CODE) -} - -#endif -// shadows - -#ifdef USE_SHADOW - -#ifdef USE_RGBA_SHADOWS - -#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0)) - -#else - -#define SHADOW_DEPTH(m_val) (m_val).r - -#endif - -#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, SHADOW_DEPTH(texture2D(p_shadow, p_pos))) -#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, SHADOW_DEPTH(texture2DProj(p_shadow, p_pos))) - -float sample_shadow(highp sampler2D shadow, highp vec4 spos) { -#ifdef SHADOW_MODE_PCF_13 - - spos.xyz /= spos.w; - vec2 pos = spos.xy; - float depth = spos.z; - - float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth); - return avg * (1.0 / 13.0); -#endif - -#ifdef SHADOW_MODE_PCF_5 - - spos.xyz /= spos.w; - vec2 pos = spos.xy; - float depth = spos.z; - - float avg = SAMPLE_SHADOW_TEXEL(shadow, pos, depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(shadow_pixel_size.x, 0.0), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(-shadow_pixel_size.x, 0.0), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, shadow_pixel_size.y), depth); - avg += SAMPLE_SHADOW_TEXEL(shadow, pos + vec2(0.0, -shadow_pixel_size.y), depth); - return avg * (1.0 / 5.0); - -#endif - -#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13) - - return SAMPLE_SHADOW_TEXEL_PROJ(shadow, spos); -#endif -} - -#endif - -#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED) - -#if defined(USE_VERTEX_LIGHTING) - -varying vec4 fog_interp; - -#else -uniform mediump vec4 fog_color_base; -#ifdef LIGHT_MODE_DIRECTIONAL -uniform mediump vec4 fog_sun_color_amount; -#endif - -uniform bool fog_transmit_enabled; -uniform mediump float fog_transmit_curve; - -#ifdef FOG_DEPTH_ENABLED -uniform highp float fog_depth_begin; -uniform mediump float fog_depth_curve; -uniform mediump float fog_max_distance; -#endif - -#ifdef FOG_HEIGHT_ENABLED -uniform highp float fog_height_min; -uniform highp float fog_height_max; -uniform mediump float fog_height_curve; -#endif - -#endif //vertex lit -#endif //fog - -void main() { -#ifdef RENDER_DEPTH_DUAL_PARABOLOID - - if (dp_clip > 0.0) - discard; -#endif - highp vec3 vertex = vertex_interp; - vec3 view = -normalize(vertex_interp); - vec3 albedo = vec3(1.0); - vec3 transmission = vec3(0.0); - float metallic = 0.0; - float specular = 0.5; - vec3 emission = vec3(0.0); - float roughness = 1.0; - float rim = 0.0; - float rim_tint = 0.0; - float clearcoat = 0.0; - float clearcoat_gloss = 0.0; - float anisotropy = 0.0; - vec2 anisotropy_flow = vec2(1.0, 0.0); - float sss_strength = 0.0; //unused - // gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a - // compile error because DEPTH is not a variable. - float m_DEPTH = 0.0; - - float alpha = 1.0; - float side = 1.0; - - float specular_blob_intensity = 1.0; -#if defined(SPECULAR_TOON) - specular_blob_intensity *= specular * 2.0; -#endif - -#if defined(ENABLE_AO) - float ao = 1.0; - float ao_light_affect = 0.0; -#endif - -#if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) - vec3 binormal = normalize(binormal_interp) * side; - vec3 tangent = normalize(tangent_interp) * side; -#else - vec3 binormal = vec3(0.0); - vec3 tangent = vec3(0.0); -#endif - vec3 normal = normalize(normal_interp) * side; - -#if defined(ENABLE_NORMALMAP) - vec3 normalmap = vec3(0.5); -#endif - float normaldepth = 1.0; - -#if defined(ALPHA_SCISSOR_USED) - float alpha_scissor = 0.5; -#endif - -#if defined(SCREEN_UV_USED) - vec2 screen_uv = gl_FragCoord.xy * screen_pixel_size; -#endif - - { - /* clang-format off */ - -FRAGMENT_SHADER_CODE - - /* clang-format on */ - } - -#if defined(ENABLE_NORMALMAP) - normalmap.xy = normalmap.xy * 2.0 - 1.0; - normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); - - normal = normalize(mix(normal_interp, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)) * side; - //normal = normalmap; -#endif - - normal = normalize(normal); - - vec3 N = normal; - - vec3 specular_light = vec3(0.0, 0.0, 0.0); - vec3 diffuse_light = vec3(0.0, 0.0, 0.0); - vec3 ambient_light = vec3(0.0, 0.0, 0.0); - - vec3 eye_position = view; - -#if !defined(USE_SHADOW_TO_OPACITY) - -#if defined(ALPHA_SCISSOR_USED) - if (alpha < alpha_scissor) { - discard; - } -#endif // ALPHA_SCISSOR_USED - -#ifdef USE_DEPTH_PREPASS - if (alpha < 0.1) { - discard; - } -#endif // USE_DEPTH_PREPASS - -#endif // !USE_SHADOW_TO_OPACITY - -#ifdef BASE_PASS - - // IBL precalculations - float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0); - vec3 f0 = F0(metallic, specular, albedo); - vec3 F = f0 + (max(vec3(1.0 - roughness), f0) - f0) * pow(1.0 - ndotv, 5.0); - -#ifdef AMBIENT_LIGHT_DISABLED - ambient_light = vec3(0.0, 0.0, 0.0); -#else - -#ifdef USE_RADIANCE_MAP - - vec3 ref_vec = reflect(-eye_position, N); - ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz); - - ref_vec.z *= -1.0; - - specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy; -#ifndef USE_LIGHTMAP - { - vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz); - vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, 4.0).xyz * bg_energy; - env_ambient *= 1.0 - F; - - ambient_light = mix(ambient_color.rgb, env_ambient, ambient_sky_contribution); - } -#endif - -#else - - ambient_light = ambient_color.rgb; - specular_light = bg_color.rgb * bg_energy; - -#endif -#endif // AMBIENT_LIGHT_DISABLED - ambient_light *= ambient_energy; - -#if defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2) - - vec4 ambient_accum = vec4(0.0); - vec4 reflection_accum = vec4(0.0); - -#ifdef USE_REFLECTION_PROBE1 - - reflection_process(reflection_probe1, -#ifdef USE_VERTEX_LIGHTING - refprobe1_reflection_normal_blend.rgb, -#ifndef USE_LIGHTMAP - refprobe1_ambient_normal, -#endif - refprobe1_reflection_normal_blend.a, -#else - normal_interp, vertex_interp, refprobe1_local_matrix, - refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset, -#endif - refprobe1_exterior, refprobe1_intensity, refprobe1_ambient, roughness, - ambient_light, specular_light, reflection_accum, ambient_accum); - -#endif // USE_REFLECTION_PROBE1 - -#ifdef USE_REFLECTION_PROBE2 - - reflection_process(reflection_probe2, -#ifdef USE_VERTEX_LIGHTING - refprobe2_reflection_normal_blend.rgb, -#ifndef USE_LIGHTMAP - refprobe2_ambient_normal, -#endif - refprobe2_reflection_normal_blend.a, -#else - normal_interp, vertex_interp, refprobe2_local_matrix, - refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset, -#endif - refprobe2_exterior, refprobe2_intensity, refprobe2_ambient, roughness, - ambient_light, specular_light, reflection_accum, ambient_accum); - -#endif // USE_REFLECTION_PROBE2 - - if (reflection_accum.a > 0.0) { - specular_light = reflection_accum.rgb / reflection_accum.a; - } - -#ifndef USE_LIGHTMAP - if (ambient_accum.a > 0.0) { - ambient_light = ambient_accum.rgb / ambient_accum.a; - } -#endif - -#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2) - - // environment BRDF approximation - { -#if defined(DIFFUSE_TOON) - //simplify for toon, as - specular_light *= specular * metallic * albedo * 2.0; -#else - - // scales the specular reflections, needs to be be computed before lighting happens, - // but after environment and reflection probes are added - //TODO: this curve is not really designed for gammaspace, should be adjusted - const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022); - const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04); - vec4 r = roughness * c0 + c1; - float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y; - vec2 env = vec2(-1.04, 1.04) * a004 + r.zw; - specular_light *= env.x * F + env.y; - -#endif - } - -#ifdef USE_LIGHTMAP - //ambient light will come entirely from lightmap is lightmap is used - ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy; -#endif - -#ifdef USE_LIGHTMAP_CAPTURE - { - vec3 cone_dirs[12]; - cone_dirs[0] = vec3(0.0, 0.0, 1.0); - cone_dirs[1] = vec3(0.866025, 0.0, 0.5); - cone_dirs[2] = vec3(0.267617, 0.823639, 0.5); - cone_dirs[3] = vec3(-0.700629, 0.509037, 0.5); - cone_dirs[4] = vec3(-0.700629, -0.509037, 0.5); - cone_dirs[5] = vec3(0.267617, -0.823639, 0.5); - cone_dirs[6] = vec3(0.0, 0.0, -1.0); - cone_dirs[7] = vec3(0.866025, 0.0, -0.5); - cone_dirs[8] = vec3(0.267617, 0.823639, -0.5); - cone_dirs[9] = vec3(-0.700629, 0.509037, -0.5); - cone_dirs[10] = vec3(-0.700629, -0.509037, -0.5); - cone_dirs[11] = vec3(0.267617, -0.823639, -0.5); - - vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz; - vec4 captured = vec4(0.0); - float sum = 0.0; - for (int i = 0; i < 12; i++) { - float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect - captured += lightmap_captures[i] * amount; - sum += amount; - } - - captured /= sum; - - if (lightmap_capture_sky) { - ambient_light = mix(ambient_light, captured.rgb, captured.a); - } else { - ambient_light = captured.rgb; - } - } -#endif - -#endif //BASE PASS - -// -// Lighting -// -#ifdef USE_LIGHTING - -#ifndef USE_VERTEX_LIGHTING - vec3 L; -#endif - vec3 light_att = vec3(1.0); - -#ifdef LIGHT_MODE_OMNI - -#ifndef USE_VERTEX_LIGHTING - vec3 light_vec = light_position - vertex; - float light_length = length(light_vec); - - float normalized_distance = light_length / light_range; - if (normalized_distance < 1.0) { - float omni_attenuation = pow(1.0 - normalized_distance, light_attenuation); - - light_att = vec3(omni_attenuation); - } else { - light_att = vec3(0.0); - } - L = normalize(light_vec); - -#endif - -#if !defined(SHADOWS_DISABLED) - -#ifdef USE_SHADOW - { - highp vec4 splane = shadow_coord; - float shadow_len = length(splane.xyz); - - splane.xyz = normalize(splane.xyz); - - vec4 clamp_rect = light_clamp; - - if (splane.z >= 0.0) { - splane.z += 1.0; - - clamp_rect.y += clamp_rect.w; - } else { - splane.z = 1.0 - splane.z; - } - - splane.xy /= splane.z; - splane.xy = splane.xy * 0.5 + 0.5; - splane.z = shadow_len / light_range; - - splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw; - splane.w = 1.0; - - float shadow = sample_shadow(light_shadow_atlas, splane); - - light_att *= mix(shadow_color.rgb, vec3(1.0), shadow); - } -#endif - -#endif //SHADOWS_DISABLED - -#endif //type omni - -#ifdef LIGHT_MODE_DIRECTIONAL - -#ifndef USE_VERTEX_LIGHTING - vec3 light_vec = -light_direction; - L = normalize(light_vec); -#endif - float depth_z = -vertex.z; - -#if !defined(SHADOWS_DISABLED) - -#ifdef USE_SHADOW - -#ifdef USE_VERTEX_LIGHTING - //compute shadows in a mobile friendly way - -#ifdef LIGHT_USE_PSSM4 - //take advantage of prefetch - float shadow1 = sample_shadow(light_directional_shadow, shadow_coord); - float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2); - float shadow3 = sample_shadow(light_directional_shadow, shadow_coord3); - float shadow4 = sample_shadow(light_directional_shadow, shadow_coord4); - - if (depth_z < light_split_offsets.w) { - float pssm_fade = 0.0; - float shadow_att = 1.0; -#ifdef LIGHT_USE_PSSM_BLEND - float shadow_att2 = 1.0; - float pssm_blend = 0.0; - bool use_blend = true; -#endif - if (depth_z < light_split_offsets.y) { - if (depth_z < light_split_offsets.x) { - shadow_att = shadow1; - -#ifdef LIGHT_USE_PSSM_BLEND - shadow_att2 = shadow2; - - pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z); -#endif - } else { - shadow_att = shadow2; - -#ifdef LIGHT_USE_PSSM_BLEND - shadow_att2 = shadow3; - - pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z); -#endif - } - } else { - if (depth_z < light_split_offsets.z) { - shadow_att = shadow3; - -#if defined(LIGHT_USE_PSSM_BLEND) - shadow_att2 = shadow4; - pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z); -#endif - - } else { - shadow_att = shadow4; - pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z); - -#if defined(LIGHT_USE_PSSM_BLEND) - use_blend = false; -#endif - } - } -#if defined(LIGHT_USE_PSSM_BLEND) - if (use_blend) { - shadow_att = mix(shadow_att, shadow_att2, pssm_blend); - } -#endif - light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att); - } - -#endif //LIGHT_USE_PSSM4 - -#ifdef LIGHT_USE_PSSM2 - - //take advantage of prefetch - float shadow1 = sample_shadow(light_directional_shadow, shadow_coord); - float shadow2 = sample_shadow(light_directional_shadow, shadow_coord2); - - if (depth_z < light_split_offsets.y) { - float shadow_att = 1.0; - float pssm_fade = 0.0; - -#ifdef LIGHT_USE_PSSM_BLEND - float shadow_att2 = 1.0; - float pssm_blend = 0.0; - bool use_blend = true; -#endif - if (depth_z < light_split_offsets.x) { - float pssm_fade = 0.0; - shadow_att = shadow1; - -#ifdef LIGHT_USE_PSSM_BLEND - shadow_att2 = shadow2; - pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z); -#endif - } else { - shadow_att = shadow2; - pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z); -#ifdef LIGHT_USE_PSSM_BLEND - use_blend = false; -#endif - } -#ifdef LIGHT_USE_PSSM_BLEND - if (use_blend) { - shadow_att = mix(shadow_att, shadow_att2, pssm_blend); - } -#endif - light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att); - } - -#endif //LIGHT_USE_PSSM2 - -#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2) - - light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord)); -#endif //orthogonal - -#else //fragment version of pssm - - { -#ifdef LIGHT_USE_PSSM4 - if (depth_z < light_split_offsets.w) { -#elif defined(LIGHT_USE_PSSM2) - if (depth_z < light_split_offsets.y) { -#else - if (depth_z < light_split_offsets.x) { -#endif //pssm2 - - highp vec4 pssm_coord; - float pssm_fade = 0.0; - -#ifdef LIGHT_USE_PSSM_BLEND - float pssm_blend; - highp vec4 pssm_coord2; - bool use_blend = true; -#endif - -#ifdef LIGHT_USE_PSSM4 - - if (depth_z < light_split_offsets.y) { - if (depth_z < light_split_offsets.x) { - pssm_coord = shadow_coord; - -#ifdef LIGHT_USE_PSSM_BLEND - pssm_coord2 = shadow_coord2; - - pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z); -#endif - } else { - pssm_coord = shadow_coord2; - -#ifdef LIGHT_USE_PSSM_BLEND - pssm_coord2 = shadow_coord3; - - pssm_blend = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z); -#endif - } - } else { - if (depth_z < light_split_offsets.z) { - pssm_coord = shadow_coord3; - -#if defined(LIGHT_USE_PSSM_BLEND) - pssm_coord2 = shadow_coord4; - pssm_blend = smoothstep(light_split_offsets.y, light_split_offsets.z, depth_z); -#endif - - } else { - pssm_coord = shadow_coord4; - pssm_fade = smoothstep(light_split_offsets.z, light_split_offsets.w, depth_z); - -#if defined(LIGHT_USE_PSSM_BLEND) - use_blend = false; -#endif - } - } - -#endif // LIGHT_USE_PSSM4 - -#ifdef LIGHT_USE_PSSM2 - if (depth_z < light_split_offsets.x) { - pssm_coord = shadow_coord; - -#ifdef LIGHT_USE_PSSM_BLEND - pssm_coord2 = shadow_coord2; - pssm_blend = smoothstep(0.0, light_split_offsets.x, depth_z); -#endif - } else { - pssm_coord = shadow_coord2; - pssm_fade = smoothstep(light_split_offsets.x, light_split_offsets.y, depth_z); -#ifdef LIGHT_USE_PSSM_BLEND - use_blend = false; -#endif - } - -#endif // LIGHT_USE_PSSM2 - -#if !defined(LIGHT_USE_PSSM4) && !defined(LIGHT_USE_PSSM2) - { - pssm_coord = shadow_coord; - } -#endif - - float shadow = sample_shadow(light_directional_shadow, pssm_coord); - -#ifdef LIGHT_USE_PSSM_BLEND - if (use_blend) { - shadow = mix(shadow, sample_shadow(light_directional_shadow, pssm_coord2), pssm_blend); - } -#endif - - light_att *= mix(shadow_color.rgb, vec3(1.0), shadow); - } - } -#endif //use vertex lighting - -#endif //use shadow - -#endif // SHADOWS_DISABLED - -#endif - -#ifdef LIGHT_MODE_SPOT - - light_att = vec3(1.0); - -#ifndef USE_VERTEX_LIGHTING - - vec3 light_rel_vec = light_position - vertex; - float light_length = length(light_rel_vec); - float normalized_distance = light_length / light_range; - - if (normalized_distance < 1.0) { - float spot_attenuation = pow(1.0 - normalized_distance, light_attenuation); - vec3 spot_dir = light_direction; - - float spot_cutoff = light_spot_angle; - float angle = dot(-normalize(light_rel_vec), spot_dir); - - if (angle > spot_cutoff) { - float scos = max(angle, spot_cutoff); - float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_cutoff)); - spot_attenuation *= 1.0 - pow(spot_rim, light_spot_attenuation); - - light_att = vec3(spot_attenuation); - } else { - light_att = vec3(0.0); - } - } else { - light_att = vec3(0.0); - } - - L = normalize(light_rel_vec); - -#endif - -#if !defined(SHADOWS_DISABLED) - -#ifdef USE_SHADOW - { - highp vec4 splane = shadow_coord; - - float shadow = sample_shadow(light_shadow_atlas, splane); - light_att *= mix(shadow_color.rgb, vec3(1.0), shadow); - } -#endif - -#endif // SHADOWS_DISABLED - -#endif // LIGHT_MODE_SPOT - -#ifdef USE_VERTEX_LIGHTING - //vertex lighting - - specular_light += specular_interp * specular_blob_intensity * light_att; - diffuse_light += diffuse_interp * albedo * light_att; - -#else - //fragment lighting - light_compute( - normal, - L, - eye_position, - binormal, - tangent, - light_color.xyz, - light_att, - albedo, - transmission, - specular_blob_intensity * light_specular, - roughness, - metallic, - specular, - rim, - rim_tint, - clearcoat, - clearcoat_gloss, - anisotropy, - diffuse_light, - specular_light, - alpha); - -#endif //vertex lighting - -#endif //USE_LIGHTING - //compute and merge - -#ifdef USE_SHADOW_TO_OPACITY - - alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0)); - -#if defined(ALPHA_SCISSOR_USED) - if (alpha < alpha_scissor) { - discard; - } -#endif // ALPHA_SCISSOR_USED - -#ifdef USE_DEPTH_PREPASS - if (alpha < 0.1) { - discard; - } -#endif // USE_DEPTH_PREPASS - -#endif // !USE_SHADOW_TO_OPACITY - -#ifndef RENDER_DEPTH - -#ifdef SHADELESS - - gl_FragColor = vec4(albedo, alpha); -#else - - ambient_light *= albedo; - -#if defined(ENABLE_AO) - ambient_light *= ao; - ao_light_affect = mix(1.0, ao, ao_light_affect); - specular_light *= ao_light_affect; - diffuse_light *= ao_light_affect; -#endif - - diffuse_light *= 1.0 - metallic; - ambient_light *= 1.0 - metallic; - - gl_FragColor = vec4(ambient_light + diffuse_light + specular_light, alpha); - - //add emission if in base pass -#ifdef BASE_PASS - gl_FragColor.rgb += emission; -#endif - // gl_FragColor = vec4(normal, 1.0); - -//apply fog -#if defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED) - -#if defined(USE_VERTEX_LIGHTING) - -#if defined(BASE_PASS) - gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_interp.rgb, fog_interp.a); -#else - gl_FragColor.rgb *= (1.0 - fog_interp.a); -#endif // BASE_PASS - -#else //pixel based fog - float fog_amount = 0.0; - -#ifdef LIGHT_MODE_DIRECTIONAL - - vec3 fog_color = mix(fog_color_base.rgb, fog_sun_color_amount.rgb, fog_sun_color_amount.a * pow(max(dot(eye_position, light_direction), 0.0), 8.0)); -#else - vec3 fog_color = fog_color_base.rgb; -#endif - -#ifdef FOG_DEPTH_ENABLED - - { - float fog_z = smoothstep(fog_depth_begin, fog_max_distance, length(vertex)); - - fog_amount = pow(fog_z, fog_depth_curve) * fog_color_base.a; - - if (fog_transmit_enabled) { - vec3 total_light = gl_FragColor.rgb; - float transmit = pow(fog_z, fog_transmit_curve); - fog_color = mix(max(total_light, fog_color), fog_color, transmit); - } - } -#endif - -#ifdef FOG_HEIGHT_ENABLED - { - float y = (camera_matrix * vec4(vertex, 1.0)).y; - fog_amount = max(fog_amount, pow(smoothstep(fog_height_min, fog_height_max, y), fog_height_curve)); - } -#endif - -#if defined(BASE_PASS) - gl_FragColor.rgb = mix(gl_FragColor.rgb, fog_color, fog_amount); -#else - gl_FragColor.rgb *= (1.0 - fog_amount); -#endif // BASE_PASS - -#endif //use vertex lit - -#endif // defined(FOG_DEPTH_ENABLED) || defined(FOG_HEIGHT_ENABLED) - -#endif //unshaded - -#else // not RENDER_DEPTH -//depth render -#ifdef USE_RGBA_SHADOWS - - highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias - highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0)); - comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0); - gl_FragColor = comp; - -#endif -#endif -} diff --git a/drivers/gles2/shaders/screen_space_reflection.glsl b/drivers/gles2/shaders/screen_space_reflection.glsl deleted file mode 100644 index 6b5b7c885c..0000000000 --- a/drivers/gles2/shaders/screen_space_reflection.glsl +++ /dev/null @@ -1,284 +0,0 @@ -/* clang-format off */ -[vertex] - -layout(location = 0) in highp vec4 vertex_attrib; -/* clang-format on */ -layout(location = 4) in vec2 uv_in; - -out vec2 uv_interp; -out vec2 pos_interp; - -void main() { - uv_interp = uv_in; - gl_Position = vertex_attrib; - pos_interp.xy = gl_Position.xy; -} - -/* clang-format off */ -[fragment] - -in vec2 uv_interp; -/* clang-format on */ -in vec2 pos_interp; - -uniform sampler2D source_diffuse; //texunit:0 -uniform sampler2D source_normal_roughness; //texunit:1 -uniform sampler2D source_depth; //texunit:2 - -uniform float camera_z_near; -uniform float camera_z_far; - -uniform vec2 viewport_size; -uniform vec2 pixel_size; - -uniform float filter_mipmap_levels; - -uniform mat4 inverse_projection; -uniform mat4 projection; - -uniform int num_steps; -uniform float depth_tolerance; -uniform float distance_fade; -uniform float curve_fade_in; - -layout(location = 0) out vec4 frag_color; - -vec2 view_to_screen(vec3 view_pos, out float w) { - vec4 projected = projection * vec4(view_pos, 1.0); - projected.xyz /= projected.w; - projected.xy = projected.xy * 0.5 + 0.5; - w = projected.w; - return projected.xy; -} - -#define M_PI 3.14159265359 - -void main() { - vec4 diffuse = texture(source_diffuse, uv_interp); - vec4 normal_roughness = texture(source_normal_roughness, uv_interp); - - vec3 normal; - - normal = normal_roughness.xyz * 2.0 - 1.0; - - float roughness = normal_roughness.w; - - float depth_tex = texture(source_depth, uv_interp).r; - - vec4 world_pos = inverse_projection * vec4(uv_interp * 2.0 - 1.0, depth_tex * 2.0 - 1.0, 1.0); - vec3 vertex = world_pos.xyz / world_pos.w; - - vec3 view_dir = normalize(vertex); - vec3 ray_dir = normalize(reflect(view_dir, normal)); - - if (dot(ray_dir, normal) < 0.001) { - frag_color = vec4(0.0); - return; - } - //ray_dir = normalize(view_dir - normal * dot(normal,view_dir) * 2.0); - - //ray_dir = normalize(vec3(1,1,-1)); - - //////////////// - - //make ray length and clip it against the near plane (don't want to trace beyond visible) - float ray_len = (vertex.z + ray_dir.z * camera_z_far) > -camera_z_near ? (-camera_z_near - vertex.z) / ray_dir.z : camera_z_far; - vec3 ray_end = vertex + ray_dir * ray_len; - - float w_begin; - vec2 vp_line_begin = view_to_screen(vertex, w_begin); - float w_end; - vec2 vp_line_end = view_to_screen(ray_end, w_end); - vec2 vp_line_dir = vp_line_end - vp_line_begin; - - //we need to interpolate w along the ray, to generate perspective correct reflections - - w_begin = 1.0 / w_begin; - w_end = 1.0 / w_end; - - float z_begin = vertex.z * w_begin; - float z_end = ray_end.z * w_end; - - vec2 line_begin = vp_line_begin / pixel_size; - vec2 line_dir = vp_line_dir / pixel_size; - float z_dir = z_end - z_begin; - float w_dir = w_end - w_begin; - - // clip the line to the viewport edges - - float scale_max_x = min(1.0, 0.99 * (1.0 - vp_line_begin.x) / max(1e-5, vp_line_dir.x)); - float scale_max_y = min(1.0, 0.99 * (1.0 - vp_line_begin.y) / max(1e-5, vp_line_dir.y)); - float scale_min_x = min(1.0, 0.99 * vp_line_begin.x / max(1e-5, -vp_line_dir.x)); - float scale_min_y = min(1.0, 0.99 * vp_line_begin.y / max(1e-5, -vp_line_dir.y)); - float line_clip = min(scale_max_x, scale_max_y) * min(scale_min_x, scale_min_y); - line_dir *= line_clip; - z_dir *= line_clip; - w_dir *= line_clip; - - //clip z and w advance to line advance - vec2 line_advance = normalize(line_dir); //down to pixel - float step_size = length(line_advance) / length(line_dir); - float z_advance = z_dir * step_size; // adapt z advance to line advance - float w_advance = w_dir * step_size; // adapt w advance to line advance - - //make line advance faster if direction is closer to pixel edges (this avoids sampling the same pixel twice) - float advance_angle_adj = 1.0 / max(abs(line_advance.x), abs(line_advance.y)); - line_advance *= advance_angle_adj; // adapt z advance to line advance - z_advance *= advance_angle_adj; - w_advance *= advance_angle_adj; - - vec2 pos = line_begin; - float z = z_begin; - float w = w_begin; - float z_from = z / w; - float z_to = z_from; - float depth; - vec2 prev_pos = pos; - - bool found = false; - - float steps_taken = 0.0; - - for (int i = 0; i < num_steps; i++) { - pos += line_advance; - z += z_advance; - w += w_advance; - - //convert to linear depth - - depth = texture(source_depth, pos * pixel_size).r * 2.0 - 1.0; -#ifdef USE_ORTHOGONAL_PROJECTION - depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0; -#else - depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near)); -#endif - depth = -depth; - - z_from = z_to; - z_to = z / w; - - if (depth > z_to) { - //if depth was surpassed - if (depth <= max(z_to, z_from) + depth_tolerance) { - //check the depth tolerance - found = true; - } - break; - } - - steps_taken += 1.0; - prev_pos = pos; - } - - if (found) { - float margin_blend = 1.0; - - vec2 margin = vec2((viewport_size.x + viewport_size.y) * 0.5 * 0.05); //make a uniform margin - if (any(bvec4(lessThan(pos, -margin), greaterThan(pos, viewport_size + margin)))) { - //clip outside screen + margin - frag_color = vec4(0.0); - return; - } - - { - //blend fading out towards external margin - vec2 margin_grad = mix(pos - viewport_size, -pos, lessThan(pos, vec2(0.0))); - margin_blend = 1.0 - smoothstep(0.0, margin.x, max(margin_grad.x, margin_grad.y)); - //margin_blend=1.0; - } - - vec2 final_pos; - float grad; - grad = steps_taken / float(num_steps); - float initial_fade = curve_fade_in == 0.0 ? 1.0 : pow(clamp(grad, 0.0, 1.0), curve_fade_in); - float fade = pow(clamp(1.0 - grad, 0.0, 1.0), distance_fade) * initial_fade; - final_pos = pos; - -#ifdef REFLECT_ROUGHNESS - - vec4 final_color; - //if roughness is enabled, do screen space cone tracing - if (roughness > 0.001) { - /////////////////////////////////////////////////////////////////////////////////////// - //use a blurred version (in consecutive mipmaps) of the screen to simulate roughness - - float gloss = 1.0 - roughness; - float cone_angle = roughness * M_PI * 0.5; - vec2 cone_dir = final_pos - line_begin; - float cone_len = length(cone_dir); - cone_dir = normalize(cone_dir); //will be used normalized from now on - float max_mipmap = filter_mipmap_levels - 1.0; - float gloss_mult = gloss; - - float rem_alpha = 1.0; - final_color = vec4(0.0); - - for (int i = 0; i < 7; i++) { - float op_len = 2.0 * tan(cone_angle) * cone_len; //opposite side of iso triangle - float radius; - { - //fit to sphere inside cone (sphere ends at end of cone), something like this: - // ___ - // \O/ - // V - // - // as it avoids bleeding from beyond the reflection as much as possible. As a plus - // it also makes the rough reflection more elongated. - float a = op_len; - float h = cone_len; - float a2 = a * a; - float fh2 = 4.0f * h * h; - radius = (a * (sqrt(a2 + fh2) - a)) / (4.0f * h); - } - - //find the place where screen must be sampled - vec2 sample_pos = (line_begin + cone_dir * (cone_len - radius)) * pixel_size; - //radius is in pixels, so it's natural that log2(radius) maps to the right mipmap for the amount of pixels - float mipmap = clamp(log2(radius), 0.0, max_mipmap); - - //mipmap = max(mipmap-1.0,0.0); - //do sampling - - vec4 sample_color; - { - sample_color = textureLod(source_diffuse, sample_pos, mipmap); - } - - //multiply by gloss - sample_color.rgb *= gloss_mult; - sample_color.a = gloss_mult; - - rem_alpha -= sample_color.a; - if (rem_alpha < 0.0) { - sample_color.rgb *= (1.0 - abs(rem_alpha)); - } - - final_color += sample_color; - - if (final_color.a >= 0.95) { - // This code of accumulating gloss and aborting on near one - // makes sense when you think of cone tracing. - // Think of it as if roughness was 0, then we could abort on the first - // iteration. For lesser roughness values, we need more iterations, but - // each needs to have less influence given the sphere is smaller - break; - } - - cone_len -= radius * 2.0; //go to next (smaller) circle. - - gloss_mult *= gloss; - } - } else { - final_color = textureLod(source_diffuse, final_pos * pixel_size, 0.0); - } - - frag_color = vec4(final_color.rgb, fade * margin_blend); - -#else - frag_color = vec4(textureLod(source_diffuse, final_pos * pixel_size, 0.0).rgb, fade * margin_blend); -#endif - - } else { - frag_color = vec4(0.0, 0.0, 0.0, 0.0); - } -} diff --git a/drivers/gles2/shaders/ssao.glsl b/drivers/gles2/shaders/ssao.glsl deleted file mode 100644 index 0fd29e8dcc..0000000000 --- a/drivers/gles2/shaders/ssao.glsl +++ /dev/null @@ -1,283 +0,0 @@ -/* clang-format off */ -[vertex] - -layout(location = 0) in highp vec4 vertex_attrib; -/* clang-format on */ - -void main() { - gl_Position = vertex_attrib; - gl_Position.z = 1.0; -} - -/* clang-format off */ -[fragment] - -#define TWO_PI 6.283185307179586476925286766559 - -#ifdef SSAO_QUALITY_HIGH - -#define NUM_SAMPLES (80) - -#endif - -#ifdef SSAO_QUALITY_LOW - -#define NUM_SAMPLES (15) - -#endif - -#if !defined(SSAO_QUALITY_LOW) && !defined(SSAO_QUALITY_HIGH) - -#define NUM_SAMPLES (40) - -#endif - -// If using depth mip levels, the log of the maximum pixel offset before we need to switch to a lower -// miplevel to maintain reasonable spatial locality in the cache -// If this number is too small (< 3), too many taps will land in the same pixel, and we'll get bad variance that manifests as flashing. -// If it is too high (> 5), we'll get bad performance because we're not using the MIP levels effectively -#define LOG_MAX_OFFSET (3) - -// This must be less than or equal to the MAX_MIP_LEVEL defined in SSAO.cpp -#define MAX_MIP_LEVEL (4) - -// This is the number of turns around the circle that the spiral pattern makes. This should be prime to prevent -// taps from lining up. This particular choice was tuned for NUM_SAMPLES == 9 - -const int ROTATIONS[] = int[]( - 1, 1, 2, 3, 2, 5, 2, 3, 2, - 3, 3, 5, 5, 3, 4, 7, 5, 5, 7, - 9, 8, 5, 5, 7, 7, 7, 8, 5, 8, - 11, 12, 7, 10, 13, 8, 11, 8, 7, 14, - 11, 11, 13, 12, 13, 19, 17, 13, 11, 18, - 19, 11, 11, 14, 17, 21, 15, 16, 17, 18, - 13, 17, 11, 17, 19, 18, 25, 18, 19, 19, - 29, 21, 19, 27, 31, 29, 21, 18, 17, 29, - 31, 31, 23, 18, 25, 26, 25, 23, 19, 34, - 19, 27, 21, 25, 39, 29, 17, 21, 27); -/* clang-format on */ - -//#define NUM_SPIRAL_TURNS (7) -const int NUM_SPIRAL_TURNS = ROTATIONS[NUM_SAMPLES - 1]; - -uniform sampler2D source_depth; //texunit:0 -uniform highp usampler2D source_depth_mipmaps; //texunit:1 -uniform sampler2D source_normal; //texunit:2 - -uniform ivec2 screen_size; -uniform float camera_z_far; -uniform float camera_z_near; - -uniform float intensity_div_r6; -uniform float radius; - -#ifdef ENABLE_RADIUS2 -uniform float intensity_div_r62; -uniform float radius2; -#endif - -uniform float bias; -uniform float proj_scale; - -layout(location = 0) out float visibility; - -uniform vec4 proj_info; - -vec3 reconstructCSPosition(vec2 S, float z) { -#ifdef USE_ORTHOGONAL_PROJECTION - return vec3((S.xy * proj_info.xy + proj_info.zw), z); -#else - return vec3((S.xy * proj_info.xy + proj_info.zw) * z, z); - -#endif -} - -vec3 getPosition(ivec2 ssP) { - vec3 P; - P.z = texelFetch(source_depth, ssP, 0).r; - - P.z = P.z * 2.0 - 1.0; -#ifdef USE_ORTHOGONAL_PROJECTION - P.z = ((P.z + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0; -#else - P.z = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - P.z * (camera_z_far - camera_z_near)); -#endif - P.z = -P.z; - - // Offset to pixel center - P = reconstructCSPosition(vec2(ssP) + vec2(0.5), P.z); - return P; -} - -/** Reconstructs screen-space unit normal from screen-space position */ -vec3 reconstructCSFaceNormal(vec3 C) { - return normalize(cross(dFdy(C), dFdx(C))); -} - -/** Returns a unit vector and a screen-space radius for the tap on a unit disk (the caller should scale by the actual disk radius) */ -vec2 tapLocation(int sampleNumber, float spinAngle, out float ssR) { - // Radius relative to ssR - float alpha = (float(sampleNumber) + 0.5) * (1.0 / float(NUM_SAMPLES)); - float angle = alpha * (float(NUM_SPIRAL_TURNS) * 6.28) + spinAngle; - - ssR = alpha; - return vec2(cos(angle), sin(angle)); -} - -/** Read the camera-space position of the point at screen-space pixel ssP + unitOffset * ssR. Assumes length(unitOffset) == 1 */ -vec3 getOffsetPosition(ivec2 ssC, vec2 unitOffset, float ssR) { - // Derivation: - // mipLevel = floor(log(ssR / MAX_OFFSET)); - int mipLevel = clamp(int(floor(log2(ssR))) - LOG_MAX_OFFSET, 0, MAX_MIP_LEVEL); - - ivec2 ssP = ivec2(ssR * unitOffset) + ssC; - - vec3 P; - - // We need to divide by 2^mipLevel to read the appropriately scaled coordinate from a MIP-map. - // Manually clamp to the texture size because texelFetch bypasses the texture unit - ivec2 mipP = clamp(ssP >> mipLevel, ivec2(0), (screen_size >> mipLevel) - ivec2(1)); - - if (mipLevel < 1) { - //read from depth buffer - P.z = texelFetch(source_depth, mipP, 0).r; - P.z = P.z * 2.0 - 1.0; -#ifdef USE_ORTHOGONAL_PROJECTION - P.z = ((P.z + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0; -#else - P.z = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - P.z * (camera_z_far - camera_z_near)); - -#endif - P.z = -P.z; - - } else { - //read from mipmaps - uint d = texelFetch(source_depth_mipmaps, mipP, mipLevel - 1).r; - P.z = -(float(d) / 65535.0) * camera_z_far; - } - - // Offset to pixel center - P = reconstructCSPosition(vec2(ssP) + vec2(0.5), P.z); - - return P; -} - -/** Compute the occlusion due to sample with index \a i about the pixel at \a ssC that corresponds - to camera-space point \a C with unit normal \a n_C, using maximum screen-space sampling radius \a ssDiskRadius - - Note that units of H() in the HPG12 paper are meters, not - unitless. The whole falloff/sampling function is therefore - unitless. In this implementation, we factor out (9 / radius). - - Four versions of the falloff function are implemented below -*/ -float sampleAO(in ivec2 ssC, in vec3 C, in vec3 n_C, in float ssDiskRadius, in float p_radius, in int tapIndex, in float randomPatternRotationAngle) { - // Offset on the unit disk, spun for this pixel - float ssR; - vec2 unitOffset = tapLocation(tapIndex, randomPatternRotationAngle, ssR); - ssR *= ssDiskRadius; - - // The occluding point in camera space - vec3 Q = getOffsetPosition(ssC, unitOffset, ssR); - - vec3 v = Q - C; - - float vv = dot(v, v); - float vn = dot(v, n_C); - - const float epsilon = 0.01; - float radius2 = p_radius * p_radius; - - // A: From the HPG12 paper - // Note large epsilon to avoid overdarkening within cracks - //return float(vv < radius2) * max((vn - bias) / (epsilon + vv), 0.0) * radius2 * 0.6; - - // B: Smoother transition to zero (lowers contrast, smoothing out corners). [Recommended] - float f = max(radius2 - vv, 0.0); - return f * f * f * max((vn - bias) / (epsilon + vv), 0.0); - - // C: Medium contrast (which looks better at high radii), no division. Note that the - // contribution still falls off with radius^2, but we've adjusted the rate in a way that is - // more computationally efficient and happens to be aesthetically pleasing. - // return 4.0 * max(1.0 - vv * invRadius2, 0.0) * max(vn - bias, 0.0); - - // D: Low contrast, no division operation - // return 2.0 * float(vv < radius * radius) * max(vn - bias, 0.0); -} - -void main() { - // Pixel being shaded - ivec2 ssC = ivec2(gl_FragCoord.xy); - - // World space point being shaded - vec3 C = getPosition(ssC); - - /* - if (C.z <= -camera_z_far*0.999) { - // We're on the skybox - visibility=1.0; - return; - } - */ - - //visibility=-C.z/camera_z_far; - //return; -#if 0 - vec3 n_C = texelFetch(source_normal,ssC,0).rgb * 2.0 - 1.0; -#else - vec3 n_C = reconstructCSFaceNormal(C); - n_C = -n_C; -#endif - - // Hash function used in the HPG12 AlchemyAO paper - float randomPatternRotationAngle = mod(float((3 * ssC.x ^ ssC.y + ssC.x * ssC.y) * 10), TWO_PI); - - // Reconstruct normals from positions. These will lead to 1-pixel black lines - // at depth discontinuities, however the blur will wipe those out so they are not visible - // in the final image. - - // Choose the screen-space sample radius - // proportional to the projected area of the sphere -#ifdef USE_ORTHOGONAL_PROJECTION - float ssDiskRadius = -proj_scale * radius; -#else - float ssDiskRadius = -proj_scale * radius / C.z; -#endif - float sum = 0.0; - for (int i = 0; i < NUM_SAMPLES; ++i) { - sum += sampleAO(ssC, C, n_C, ssDiskRadius, radius, i, randomPatternRotationAngle); - } - - float A = max(0.0, 1.0 - sum * intensity_div_r6 * (5.0 / float(NUM_SAMPLES))); - -#ifdef ENABLE_RADIUS2 - - //go again for radius2 - randomPatternRotationAngle = mod(float((5 * ssC.x ^ ssC.y + ssC.x * ssC.y) * 11), TWO_PI); - - // Reconstruct normals from positions. These will lead to 1-pixel black lines - // at depth discontinuities, however the blur will wipe those out so they are not visible - // in the final image. - - // Choose the screen-space sample radius - // proportional to the projected area of the sphere - ssDiskRadius = -proj_scale * radius2 / C.z; - - sum = 0.0; - for (int i = 0; i < NUM_SAMPLES; ++i) { - sum += sampleAO(ssC, C, n_C, ssDiskRadius, radius2, i, randomPatternRotationAngle); - } - - A = min(A, max(0.0, 1.0 - sum * intensity_div_r62 * (5.0 / float(NUM_SAMPLES)))); -#endif - // Bilateral box-filter over a quad for free, respecting depth edges - // (the difference that this makes is subtle) - if (abs(dFdx(C.z)) < 0.02) { - A -= dFdx(A) * (float(ssC.x & 1) - 0.5); - } - if (abs(dFdy(C.z)) < 0.02) { - A -= dFdy(A) * (float(ssC.y & 1) - 0.5); - } - - visibility = A; -} diff --git a/drivers/gles2/shaders/ssao_blur.glsl b/drivers/gles2/shaders/ssao_blur.glsl deleted file mode 100644 index f065cd74eb..0000000000 --- a/drivers/gles2/shaders/ssao_blur.glsl +++ /dev/null @@ -1,116 +0,0 @@ -/* clang-format off */ -[vertex] - -layout(location = 0) in highp vec4 vertex_attrib; -/* clang-format on */ - -void main() { - gl_Position = vertex_attrib; - gl_Position.z = 1.0; -} - -/* clang-format off */ -[fragment] - -uniform sampler2D source_ssao; //texunit:0 -/* clang-format on */ -uniform sampler2D source_depth; //texunit:1 -uniform sampler2D source_normal; //texunit:3 - -layout(location = 0) out float visibility; - -////////////////////////////////////////////////////////////////////////////////////////////// -// Tunable Parameters: - -/** Increase to make depth edges crisper. Decrease to reduce flicker. */ -uniform float edge_sharpness; - -/** Step in 2-pixel intervals since we already blurred against neighbors in the - first AO pass. This constant can be increased while R decreases to improve - performance at the expense of some dithering artifacts. - - Morgan found that a scale of 3 left a 1-pixel checkerboard grid that was - unobjectionable after shading was applied but eliminated most temporal incoherence - from using small numbers of sample taps. - */ - -uniform int filter_scale; - -/** Filter radius in pixels. This will be multiplied by SCALE. */ -#define R (4) - -////////////////////////////////////////////////////////////////////////////////////////////// - -// Gaussian coefficients -const float gaussian[R + 1] = - //float[](0.356642, 0.239400, 0.072410, 0.009869); - //float[](0.398943, 0.241971, 0.053991, 0.004432, 0.000134); // stddev = 1.0 - float[](0.153170, 0.144893, 0.122649, 0.092902, 0.062970); // stddev = 2.0 -//float[](0.111220, 0.107798, 0.098151, 0.083953, 0.067458, 0.050920, 0.036108); // stddev = 3.0 - -/** (1, 0) or (0, 1)*/ -uniform ivec2 axis; - -uniform float camera_z_far; -uniform float camera_z_near; - -uniform ivec2 screen_size; - -void main() { - ivec2 ssC = ivec2(gl_FragCoord.xy); - - float depth = texelFetch(source_depth, ssC, 0).r; - //vec3 normal = texelFetch(source_normal,ssC,0).rgb * 2.0 - 1.0; - - depth = depth * 2.0 - 1.0; - depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near)); - - float depth_divide = 1.0 / camera_z_far; - - //depth *= depth_divide; - - /* - if (depth > camera_z_far * 0.999) { - discard; //skybox - } - */ - - float sum = texelFetch(source_ssao, ssC, 0).r; - - // Base weight for depth falloff. Increase this for more blurriness, - // decrease it for better edge discrimination - float BASE = gaussian[0]; - float totalWeight = BASE; - sum *= totalWeight; - - ivec2 clamp_limit = screen_size - ivec2(1); - - for (int r = -R; r <= R; ++r) { - // We already handled the zero case above. This loop should be unrolled and the static branch optimized out, - // so the IF statement has no runtime cost - if (r != 0) { - ivec2 ppos = ssC + axis * (r * filter_scale); - float value = texelFetch(source_ssao, clamp(ppos, ivec2(0), clamp_limit), 0).r; - ivec2 rpos = clamp(ppos, ivec2(0), clamp_limit); - float temp_depth = texelFetch(source_depth, rpos, 0).r; - //vec3 temp_normal = texelFetch(source_normal, rpos, 0).rgb * 2.0 - 1.0; - - temp_depth = temp_depth * 2.0 - 1.0; - temp_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - temp_depth * (camera_z_far - camera_z_near)); - // temp_depth *= depth_divide; - - // spatial domain: offset gaussian tap - float weight = 0.3 + gaussian[abs(r)]; - //weight *= max(0.0,dot(temp_normal,normal)); - - // range domain (the "bilateral" weight). As depth difference increases, decrease weight. - weight *= max(0.0, 1.0 - edge_sharpness * abs(temp_depth - depth)); - - sum += value * weight; - totalWeight += weight; - } - } - - const float epsilon = 0.0001; - visibility = sum / (totalWeight + epsilon); -} diff --git a/drivers/gles2/shaders/ssao_minify.glsl b/drivers/gles2/shaders/ssao_minify.glsl deleted file mode 100644 index f654e00a4f..0000000000 --- a/drivers/gles2/shaders/ssao_minify.glsl +++ /dev/null @@ -1,54 +0,0 @@ -/* clang-format off */ -[vertex] - -layout(location = 0) in highp vec4 vertex_attrib; -/* clang-format on */ - -void main() { - gl_Position = vertex_attrib; -} - -/* clang-format off */ -[fragment] - -#ifdef MINIFY_START - -#define SDEPTH_TYPE highp sampler2D -uniform float camera_z_far; -uniform float camera_z_near; -/* clang-format on */ - -#else - -#define SDEPTH_TYPE mediump usampler2D - -#endif - -uniform SDEPTH_TYPE source_depth; //texunit:0 - -uniform ivec2 from_size; -uniform int source_mipmap; - -layout(location = 0) out mediump uint depth; - -void main() { - ivec2 ssP = ivec2(gl_FragCoord.xy); - - // Rotated grid subsampling to avoid XY directional bias or Z precision bias while downsampling. - // On DX9, the bit-and can be implemented with floating-point modulo - -#ifdef MINIFY_START - float fdepth = texelFetch(source_depth, clamp(ssP * 2 + ivec2(ssP.y & 1, ssP.x & 1), ivec2(0), from_size - ivec2(1)), source_mipmap).r; - fdepth = fdepth * 2.0 - 1.0; -#ifdef USE_ORTHOGONAL_PROJECTION - fdepth = ((fdepth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0; -#else - fdepth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - fdepth * (camera_z_far - camera_z_near)); -#endif - fdepth /= camera_z_far; - depth = uint(clamp(fdepth * 65535.0, 0.0, 65535.0)); - -#else - depth = texelFetch(source_depth, clamp(ssP * 2 + ivec2(ssP.y & 1, ssP.x & 1), ivec2(0), from_size - ivec2(1)), source_mipmap).r; -#endif -} diff --git a/drivers/gles2/shaders/stdlib.glsl b/drivers/gles2/shaders/stdlib.glsl deleted file mode 100644 index 807036dda6..0000000000 --- a/drivers/gles2/shaders/stdlib.glsl +++ /dev/null @@ -1,440 +0,0 @@ - -vec2 select2(vec2 a, vec2 b, bvec2 c) { - vec2 ret; - - ret.x = c.x ? b.x : a.x; - ret.y = c.y ? b.y : a.y; - - return ret; -} - -vec3 select3(vec3 a, vec3 b, bvec3 c) { - vec3 ret; - - ret.x = c.x ? b.x : a.x; - ret.y = c.y ? b.y : a.y; - ret.z = c.z ? b.z : a.z; - - return ret; -} - -vec4 select4(vec4 a, vec4 b, bvec4 c) { - vec4 ret; - - ret.x = c.x ? b.x : a.x; - ret.y = c.y ? b.y : a.y; - ret.z = c.z ? b.z : a.z; - ret.w = c.w ? b.w : a.w; - - return ret; -} - -highp vec4 texel2DFetch(highp sampler2D tex, ivec2 size, ivec2 coord) { - float x_coord = float(2 * coord.x + 1) / float(size.x * 2); - float y_coord = float(2 * coord.y + 1) / float(size.y * 2); - - return texture2DLod(tex, vec2(x_coord, y_coord), 0.0); -} - -#if defined(SINH_USED) - -highp float sinh(highp float x) { - return 0.5 * (exp(x) - exp(-x)); -} - -highp vec2 sinh(highp vec2 x) { - return 0.5 * vec2(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y)); -} - -highp vec3 sinh(highp vec3 x) { - return 0.5 * vec3(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z)); -} - -highp vec4 sinh(highp vec4 x) { - return 0.5 * vec4(exp(x.x) - exp(-x.x), exp(x.y) - exp(-x.y), exp(x.z) - exp(-x.z), exp(x.w) - exp(-x.w)); -} - -#endif - -#if defined(COSH_USED) - -highp float cosh(highp float x) { - return 0.5 * (exp(x) + exp(-x)); -} - -highp vec2 cosh(highp vec2 x) { - return 0.5 * vec2(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y)); -} - -highp vec3 cosh(highp vec3 x) { - return 0.5 * vec3(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z)); -} - -highp vec4 cosh(highp vec4 x) { - return 0.5 * vec4(exp(x.x) + exp(-x.x), exp(x.y) + exp(-x.y), exp(x.z) + exp(-x.z), exp(x.w) + exp(-x.w)); -} - -#endif - -#if defined(TANH_USED) - -highp float tanh(highp float x) { - highp float exp2x = exp(2.0 * x); - return (exp2x - 1.0) / (exp2x + 1.0); -} - -highp vec2 tanh(highp vec2 x) { - highp float exp2x = exp(2.0 * x.x); - highp float exp2y = exp(2.0 * x.y); - return vec2((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0)); -} - -highp vec3 tanh(highp vec3 x) { - highp float exp2x = exp(2.0 * x.x); - highp float exp2y = exp(2.0 * x.y); - highp float exp2z = exp(2.0 * x.z); - return vec3((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0)); -} - -highp vec4 tanh(highp vec4 x) { - highp float exp2x = exp(2.0 * x.x); - highp float exp2y = exp(2.0 * x.y); - highp float exp2z = exp(2.0 * x.z); - highp float exp2w = exp(2.0 * x.w); - return vec4((exp2x - 1.0) / (exp2x + 1.0), (exp2y - 1.0) / (exp2y + 1.0), (exp2z - 1.0) / (exp2z + 1.0), (exp2w - 1.0) / (exp2w + 1.0)); -} - -#endif - -#if defined(ASINH_USED) - -highp float asinh(highp float x) { - return sign(x) * log(abs(x) + sqrt(1.0 + x * x)); -} - -highp vec2 asinh(highp vec2 x) { - return vec2(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y))); -} - -highp vec3 asinh(highp vec3 x) { - return vec3(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z))); -} - -highp vec4 asinh(highp vec4 x) { - return vec4(sign(x.x) * log(abs(x.x) + sqrt(1.0 + x.x * x.x)), sign(x.y) * log(abs(x.y) + sqrt(1.0 + x.y * x.y)), sign(x.z) * log(abs(x.z) + sqrt(1.0 + x.z * x.z)), sign(x.w) * log(abs(x.w) + sqrt(1.0 + x.w * x.w))); -} - -#endif - -#if defined(ACOSH_USED) - -highp float acosh(highp float x) { - return log(x + sqrt(x * x - 1.0)); -} - -highp vec2 acosh(highp vec2 x) { - return vec2(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0))); -} - -highp vec3 acosh(highp vec3 x) { - return vec3(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0))); -} - -highp vec4 acosh(highp vec4 x) { - return vec4(log(x.x + sqrt(x.x * x.x - 1.0)), log(x.y + sqrt(x.y * x.y - 1.0)), log(x.z + sqrt(x.z * x.z - 1.0)), log(x.w + sqrt(x.w * x.w - 1.0))); -} - -#endif - -#if defined(ATANH_USED) - -highp float atanh(highp float x) { - return 0.5 * log((1.0 + x) / (1.0 - x)); -} - -highp vec2 atanh(highp vec2 x) { - return 0.5 * vec2(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y))); -} - -highp vec3 atanh(highp vec3 x) { - return 0.5 * vec3(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z))); -} - -highp vec4 atanh(highp vec4 x) { - return 0.5 * vec4(log((1.0 + x.x) / (1.0 - x.x)), log((1.0 + x.y) / (1.0 - x.y)), log((1.0 + x.z) / (1.0 - x.z)), log((1.0 + x.w) / (1.0 - x.w))); -} - -#endif - -#if defined(ROUND_USED) - -highp float round(highp float x) { - return floor(x + 0.5); -} - -highp vec2 round(highp vec2 x) { - return floor(x + vec2(0.5)); -} - -highp vec3 round(highp vec3 x) { - return floor(x + vec3(0.5)); -} - -highp vec4 round(highp vec4 x) { - return floor(x + vec4(0.5)); -} - -#endif - -#if defined(ROUND_EVEN_USED) - -highp float roundEven(highp float x) { - highp float t = x + 0.5; - highp float f = floor(t); - highp float r; - if (t == f) { - if (x > 0) - r = f - mod(f, 2); - else - r = f + mod(f, 2); - } else - r = f; - return r; -} - -highp vec2 roundEven(highp vec2 x) { - return vec2(roundEven(x.x), roundEven(x.y)); -} - -highp vec3 roundEven(highp vec3 x) { - return vec3(roundEven(x.x), roundEven(x.y), roundEven(x.z)); -} - -highp vec4 roundEven(highp vec4 x) { - return vec4(roundEven(x.x), roundEven(x.y), roundEven(x.z), roundEven(x.w)); -} - -#endif - -#if defined(IS_INF_USED) - -bool isinf(highp float x) { - return (2 * x == x) && (x != 0); -} - -bvec2 isinf(highp vec2 x) { - return bvec2((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0)); -} - -bvec3 isinf(highp vec3 x) { - return bvec3((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0)); -} - -bvec4 isinf(highp vec4 x) { - return bvec4((2 * x.x == x.x) && (x.x != 0), (2 * x.y == x.y) && (x.y != 0), (2 * x.z == x.z) && (x.z != 0), (2 * x.w == x.w) && (x.w != 0)); -} - -#endif - -#if defined(IS_NAN_USED) - -bool isnan(highp float x) { - return x != x; -} - -bvec2 isnan(highp vec2 x) { - return bvec2(x.x != x.x, x.y != x.y); -} - -bvec3 isnan(highp vec3 x) { - return bvec3(x.x != x.x, x.y != x.y, x.z != x.z); -} - -bvec4 isnan(highp vec4 x) { - return bvec4(x.x != x.x, x.y != x.y, x.z != x.z, x.w != x.w); -} - -#endif - -#if defined(TRUNC_USED) - -highp float trunc(highp float x) { - return x < 0 ? -floor(-x) : floor(x); -} - -highp vec2 trunc(highp vec2 x) { - return vec2(x.x < 0 ? -floor(-x.x) : floor(x.x), x.y < 0 ? -floor(-x.y) : floor(x.y)); -} - -highp vec3 trunc(highp vec3 x) { - return vec3(x.x < 0 ? -floor(-x.x) : floor(x.x), x.y < 0 ? -floor(-x.y) : floor(x.y), x.z < 0 ? -floor(-x.z) : floor(x.z)); -} - -highp vec4 trunc(highp vec4 x) { - return vec4(x.x < 0 ? -floor(-x.x) : floor(x.x), x.y < 0 ? -floor(-x.y) : floor(x.y), x.z < 0 ? -floor(-x.z) : floor(x.z), x.w < 0 ? -floor(-x.w) : floor(x.w)); -} - -#endif - -#if defined(DETERMINANT_USED) - -highp float determinant(highp mat2 m) { - return m[0].x * m[1].y - m[1].x * m[0].y; -} - -highp float determinant(highp mat3 m) { - return m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z); -} - -highp float determinant(highp mat4 m) { - highp float s00 = m[2].z * m[3].w - m[3].z * m[2].w; - highp float s01 = m[2].y * m[3].w - m[3].y * m[2].w; - highp float s02 = m[2].y * m[3].z - m[3].y * m[2].z; - highp float s03 = m[2].x * m[3].w - m[3].x * m[2].w; - highp float s04 = m[2].x * m[3].z - m[3].x * m[2].z; - highp float s05 = m[2].x * m[3].y - m[3].x * m[2].y; - highp vec4 c = vec4((m[1].y * s00 - m[1].z * s01 + m[1].w * s02), -(m[1].x * s00 - m[1].z * s03 + m[1].w * s04), (m[1].x * s01 - m[1].y * s03 + m[1].w * s05), -(m[1].x * s02 - m[1].y * s04 + m[1].z * s05)); - return m[0].x * c.x + m[0].y * c.y + m[0].z * c.z + m[0].w * c.w; -} - -#endif - -#if defined(INVERSE_USED) - -highp mat2 inverse(highp mat2 m) { - highp float d = 1.0 / (m[0].x * m[1].y - m[1].x * m[0].y); - return mat2( - vec2(m[1].y * d, -m[0].y * d), - vec2(-m[1].x * d, m[0].x * d)); -} - -highp mat3 inverse(highp mat3 m) { - highp float d = 1.0 / (m[0].x * (m[1].y * m[2].z - m[2].y * m[1].z) - m[1].x * (m[0].y * m[2].z - m[2].y * m[0].z) + m[2].x * (m[0].y * m[1].z - m[1].y * m[0].z)); - return mat3( - vec3((m[1].y * m[2].z - m[2].y * m[1].z), -(m[1].x * m[2].z - m[2].x * m[1].z), (m[1].x * m[2].y - m[2].x * m[1].y)) * d, - vec3(-(m[0].y * m[2].z - m[2].y * m[0].z), (m[0].x * m[2].z - m[2].x * m[0].z), -(m[0].x * m[2].y - m[2].x * m[0].y)) * d, - vec3((m[0].y * m[1].z - m[1].y * m[0].z), -(m[0].x * m[1].z - m[1].x * m[0].z), (m[0].x * m[1].y - m[1].x * m[0].y)) * d); -} - -highp mat4 inverse(highp mat4 m) { - highp float c00 = m[2].z * m[3].w - m[3].z * m[2].w; - highp float c02 = m[1].z * m[3].w - m[3].z * m[1].w; - highp float c03 = m[1].z * m[2].w - m[2].z * m[1].w; - - highp float c04 = m[2].y * m[3].w - m[3].y * m[2].w; - highp float c06 = m[1].y * m[3].w - m[3].y * m[1].w; - highp float c07 = m[1].y * m[2].w - m[2].y * m[1].w; - - highp float c08 = m[2].y * m[3].z - m[3].y * m[2].z; - highp float c10 = m[1].y * m[3].z - m[3].y * m[1].z; - highp float c11 = m[1].y * m[2].z - m[2].y * m[1].z; - - highp float c12 = m[2].x * m[3].w - m[3].x * m[2].w; - highp float c14 = m[1].x * m[3].w - m[3].x * m[1].w; - highp float c15 = m[1].x * m[2].w - m[2].x * m[1].w; - - highp float c16 = m[2].x * m[3].z - m[3].x * m[2].z; - highp float c18 = m[1].x * m[3].z - m[3].x * m[1].z; - highp float c19 = m[1].x * m[2].z - m[2].x * m[1].z; - - highp float c20 = m[2].x * m[3].y - m[3].x * m[2].y; - highp float c22 = m[1].x * m[3].y - m[3].x * m[1].y; - highp float c23 = m[1].x * m[2].y - m[2].x * m[1].y; - - vec4 f0 = vec4(c00, c00, c02, c03); - vec4 f1 = vec4(c04, c04, c06, c07); - vec4 f2 = vec4(c08, c08, c10, c11); - vec4 f3 = vec4(c12, c12, c14, c15); - vec4 f4 = vec4(c16, c16, c18, c19); - vec4 f5 = vec4(c20, c20, c22, c23); - - vec4 v0 = vec4(m[1].x, m[0].x, m[0].x, m[0].x); - vec4 v1 = vec4(m[1].y, m[0].y, m[0].y, m[0].y); - vec4 v2 = vec4(m[1].z, m[0].z, m[0].z, m[0].z); - vec4 v3 = vec4(m[1].w, m[0].w, m[0].w, m[0].w); - - vec4 inv0 = vec4(v1 * f0 - v2 * f1 + v3 * f2); - vec4 inv1 = vec4(v0 * f0 - v2 * f3 + v3 * f4); - vec4 inv2 = vec4(v0 * f1 - v1 * f3 + v3 * f5); - vec4 inv3 = vec4(v0 * f2 - v1 * f4 + v2 * f5); - - vec4 sa = vec4(+1, -1, +1, -1); - vec4 sb = vec4(-1, +1, -1, +1); - - mat4 inv = mat4(inv0 * sa, inv1 * sb, inv2 * sa, inv3 * sb); - - vec4 r0 = vec4(inv[0].x, inv[1].x, inv[2].x, inv[3].x); - vec4 d0 = vec4(m[0] * r0); - - highp float d1 = (d0.x + d0.y) + (d0.z + d0.w); - highp float d = 1.0 / d1; - - return inv * d; -} - -#endif - -#ifndef USE_GLES_OVER_GL - -#if defined(TRANSPOSE_USED) - -highp mat2 transpose(highp mat2 m) { - return mat2( - vec2(m[0].x, m[1].x), - vec2(m[0].y, m[1].y)); -} - -highp mat3 transpose(highp mat3 m) { - return mat3( - vec3(m[0].x, m[1].x, m[2].x), - vec3(m[0].y, m[1].y, m[2].y), - vec3(m[0].z, m[1].z, m[2].z)); -} - -#endif - -highp mat4 transpose(highp mat4 m) { - return mat4( - vec4(m[0].x, m[1].x, m[2].x, m[3].x), - vec4(m[0].y, m[1].y, m[2].y, m[3].y), - vec4(m[0].z, m[1].z, m[2].z, m[3].z), - vec4(m[0].w, m[1].w, m[2].w, m[3].w)); -} - -#if defined(OUTER_PRODUCT_USED) - -highp mat2 outerProduct(highp vec2 c, highp vec2 r) { - return mat2(c * r.x, c * r.y); -} - -highp mat3 outerProduct(highp vec3 c, highp vec3 r) { - return mat3(c * r.x, c * r.y, c * r.z); -} - -highp mat4 outerProduct(highp vec4 c, highp vec4 r) { - return mat4(c * r.x, c * r.y, c * r.z, c * r.w); -} - -#endif - -#if defined(FMA_USED) - -highp float fma(highp float a, highp float b, highp float c) { - return a * b + c; -} - -highp vec2 fma(highp vec2 a, highp vec2 b, highp vec2 c) { - return a * b + c; -} - -highp vec3 fma(highp vec3 a, highp vec3 b, highp vec3 c) { - return a * b + c; -} - -highp vec4 fma(highp vec4 a, highp vec4 b, highp vec4 c) { - return a * b + c; -} - -#endif - -#endif diff --git a/drivers/gles2/shaders/subsurf_scattering.glsl b/drivers/gles2/shaders/subsurf_scattering.glsl deleted file mode 100644 index d0c34cf1b0..0000000000 --- a/drivers/gles2/shaders/subsurf_scattering.glsl +++ /dev/null @@ -1,171 +0,0 @@ -/* clang-format off */ -[vertex] - -layout(location = 0) in highp vec4 vertex_attrib; -/* clang-format on */ -layout(location = 4) in vec2 uv_in; - -out vec2 uv_interp; - -void main() { - uv_interp = uv_in; - gl_Position = vertex_attrib; -} - -/* clang-format off */ -[fragment] - -//#define QUALIFIER uniform // some guy on the interweb says it may be faster with this -#define QUALIFIER const - -#ifdef USE_25_SAMPLES -const int kernel_size = 25; -/* clang-format on */ -QUALIFIER vec2 kernel[25] = vec2[]( - vec2(0.530605, 0.0), - vec2(0.000973794, -3.0), - vec2(0.00333804, -2.52083), - vec2(0.00500364, -2.08333), - vec2(0.00700976, -1.6875), - vec2(0.0094389, -1.33333), - vec2(0.0128496, -1.02083), - vec2(0.017924, -0.75), - vec2(0.0263642, -0.520833), - vec2(0.0410172, -0.333333), - vec2(0.0493588, -0.1875), - vec2(0.0402784, -0.0833333), - vec2(0.0211412, -0.0208333), - vec2(0.0211412, 0.0208333), - vec2(0.0402784, 0.0833333), - vec2(0.0493588, 0.1875), - vec2(0.0410172, 0.333333), - vec2(0.0263642, 0.520833), - vec2(0.017924, 0.75), - vec2(0.0128496, 1.02083), - vec2(0.0094389, 1.33333), - vec2(0.00700976, 1.6875), - vec2(0.00500364, 2.08333), - vec2(0.00333804, 2.52083), - vec2(0.000973794, 3.0)); -#endif //USE_25_SAMPLES - -#ifdef USE_17_SAMPLES -const int kernel_size = 17; -QUALIFIER vec2 kernel[17] = vec2[]( - vec2(0.536343, 0.0), - vec2(0.00317394, -2.0), - vec2(0.0100386, -1.53125), - vec2(0.0144609, -1.125), - vec2(0.0216301, -0.78125), - vec2(0.0347317, -0.5), - vec2(0.0571056, -0.28125), - vec2(0.0582416, -0.125), - vec2(0.0324462, -0.03125), - vec2(0.0324462, 0.03125), - vec2(0.0582416, 0.125), - vec2(0.0571056, 0.28125), - vec2(0.0347317, 0.5), - vec2(0.0216301, 0.78125), - vec2(0.0144609, 1.125), - vec2(0.0100386, 1.53125), - vec2(0.00317394, 2.0)); -#endif //USE_17_SAMPLES - -#ifdef USE_11_SAMPLES -const int kernel_size = 11; -QUALIFIER vec2 kernel[11] = vec2[]( - vec2(0.560479, 0.0), - vec2(0.00471691, -2.0), - vec2(0.0192831, -1.28), - vec2(0.03639, -0.72), - vec2(0.0821904, -0.32), - vec2(0.0771802, -0.08), - vec2(0.0771802, 0.08), - vec2(0.0821904, 0.32), - vec2(0.03639, 0.72), - vec2(0.0192831, 1.28), - vec2(0.00471691, 2.0)); -#endif //USE_11_SAMPLES - -uniform float max_radius; -uniform float camera_z_far; -uniform float camera_z_near; -uniform float unit_size; -uniform vec2 dir; -in vec2 uv_interp; - -uniform sampler2D source_diffuse; //texunit:0 -uniform sampler2D source_sss; //texunit:1 -uniform sampler2D source_depth; //texunit:2 - -layout(location = 0) out vec4 frag_color; - -void main() { - float strength = texture(source_sss, uv_interp).r; - strength *= strength; //stored as sqrt - - // Fetch color of current pixel: - vec4 base_color = texture(source_diffuse, uv_interp); - - if (strength > 0.0) { - // Fetch linear depth of current pixel: - float depth = texture(source_depth, uv_interp).r * 2.0 - 1.0; -#ifdef USE_ORTHOGONAL_PROJECTION - depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0; - float scale = unit_size; //remember depth is negative by default in OpenGL -#else - depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth * (camera_z_far - camera_z_near)); - float scale = unit_size / depth; //remember depth is negative by default in OpenGL -#endif - - // Calculate the final step to fetch the surrounding pixels: - vec2 step = max_radius * scale * dir; - step *= strength; // Modulate it using the alpha channel. - step *= 1.0 / 3.0; // Divide by 3 as the kernels range from -3 to 3. - - // Accumulate the center sample: - vec3 color_accum = base_color.rgb; - color_accum *= kernel[0].x; -#ifdef ENABLE_STRENGTH_WEIGHTING - float color_weight = kernel[0].x; -#endif - - // Accumulate the other samples: - for (int i = 1; i < kernel_size; i++) { - // Fetch color and depth for current sample: - vec2 offset = uv_interp + kernel[i].y * step; - vec3 color = texture(source_diffuse, offset).rgb; - -#ifdef ENABLE_FOLLOW_SURFACE - // If the difference in depth is huge, we lerp color back to "colorM": - float depth_cmp = texture(source_depth, offset).r * 2.0 - 1.0; - -#ifdef USE_ORTHOGONAL_PROJECTION - depth_cmp = ((depth_cmp + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0; -#else - depth_cmp = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - depth_cmp * (camera_z_far - camera_z_near)); -#endif - - float s = clamp(300.0f * scale * max_radius * abs(depth - depth_cmp), 0.0, 1.0); - color = mix(color, base_color.rgb, s); -#endif - - // Accumulate: - color *= kernel[i].x; - -#ifdef ENABLE_STRENGTH_WEIGHTING - float color_s = texture(source_sss, offset).r; - color_weight += color_s * kernel[i].x; - color *= color_s; -#endif - color_accum += color; - } - -#ifdef ENABLE_STRENGTH_WEIGHTING - color_accum /= color_weight; -#endif - frag_color = vec4(color_accum, base_color.a); //keep alpha (used for SSAO) - } else { - frag_color = base_color; - } -} diff --git a/drivers/gles2/shaders/tonemap.glsl b/drivers/gles2/shaders/tonemap.glsl deleted file mode 100644 index 585d821626..0000000000 --- a/drivers/gles2/shaders/tonemap.glsl +++ /dev/null @@ -1,289 +0,0 @@ -/* clang-format off */ -[vertex] - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -precision highp float; -precision highp int; -#endif - -attribute vec2 vertex_attrib; // attrib:0 -/* clang-format on */ -attribute vec2 uv_in; // attrib:4 - -varying vec2 uv_interp; - -void main() { - gl_Position = vec4(vertex_attrib, 0.0, 1.0); - - uv_interp = uv_in; -} - -/* clang-format off */ -[fragment] - - -// texture2DLodEXT and textureCubeLodEXT are fragment shader specific. -// Do not copy these defines in the vertex section. -#ifndef USE_GLES_OVER_GL -#ifdef GL_EXT_shader_texture_lod -#extension GL_EXT_shader_texture_lod : enable -#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod) -#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod) -#endif -#endif // !USE_GLES_OVER_GL - -#ifdef GL_ARB_shader_texture_lod -#extension GL_ARB_shader_texture_lod : enable -#endif - -#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod) -#define texture2DLod(img, coord, lod) texture2D(img, coord, lod) -#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod) -#endif - -// Allows the use of bitshift operators for bicubic upscale -#ifdef GL_EXT_gpu_shader4 -#extension GL_EXT_gpu_shader4 : enable -#endif - -#ifdef USE_GLES_OVER_GL -#define lowp -#define mediump -#define highp -#else -#if defined(USE_HIGHP_PRECISION) -precision highp float; -precision highp int; -#else -precision mediump float; -precision mediump int; -#endif -#endif - -#include "stdlib.glsl" - -varying vec2 uv_interp; -/* clang-format on */ - -uniform highp sampler2D source; //texunit:0 - -#if defined(USE_GLOW_LEVEL1) || defined(USE_GLOW_LEVEL2) || defined(USE_GLOW_LEVEL3) || defined(USE_GLOW_LEVEL4) || defined(USE_GLOW_LEVEL5) || defined(USE_GLOW_LEVEL6) || defined(USE_GLOW_LEVEL7) -#define USING_GLOW // only use glow when at least one glow level is selected - -#ifdef USE_MULTI_TEXTURE_GLOW -uniform highp sampler2D source_glow1; //texunit:1 -uniform highp sampler2D source_glow2; //texunit:2 -uniform highp sampler2D source_glow3; //texunit:3 -uniform highp sampler2D source_glow4; //texunit:4 -uniform highp sampler2D source_glow5; //texunit:5 -uniform highp sampler2D source_glow6; //texunit:6 -uniform highp sampler2D source_glow7; //texunit:7 -#else -uniform highp sampler2D source_glow; //texunit:1 -#endif -uniform highp float glow_intensity; -#endif - -#ifdef USE_BCS -uniform vec3 bcs; -#endif - -#ifdef USE_COLOR_CORRECTION -uniform sampler2D color_correction; //texunit:2 -#endif - -#ifdef GL_EXT_gpu_shader4 -#ifdef USE_GLOW_FILTER_BICUBIC -// w0, w1, w2, and w3 are the four cubic B-spline basis functions -float w0(float a) { - return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0); -} - -float w1(float a) { - return (1.0 / 6.0) * (a * a * (3.0 * a - 6.0) + 4.0); -} - -float w2(float a) { - return (1.0 / 6.0) * (a * (a * (-3.0 * a + 3.0) + 3.0) + 1.0); -} - -float w3(float a) { - return (1.0 / 6.0) * (a * a * a); -} - -// g0 and g1 are the two amplitude functions -float g0(float a) { - return w0(a) + w1(a); -} - -float g1(float a) { - return w2(a) + w3(a); -} - -// h0 and h1 are the two offset functions -float h0(float a) { - return -1.0 + w1(a) / (w0(a) + w1(a)); -} - -float h1(float a) { - return 1.0 + w3(a) / (w2(a) + w3(a)); -} - -uniform ivec2 glow_texture_size; - -vec4 texture2D_bicubic(sampler2D tex, vec2 uv, int p_lod) { - float lod = float(p_lod); - vec2 tex_size = vec2(glow_texture_size >> p_lod); - vec2 pixel_size = vec2(1.0) / tex_size; - - uv = uv * tex_size + vec2(0.5); - - vec2 iuv = floor(uv); - vec2 fuv = fract(uv); - - float g0x = g0(fuv.x); - float g1x = g1(fuv.x); - float h0x = h0(fuv.x); - float h1x = h1(fuv.x); - float h0y = h0(fuv.y); - float h1y = h1(fuv.y); - - vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * pixel_size; - vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * pixel_size; - vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * pixel_size; - vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * pixel_size; - - return (g0(fuv.y) * (g0x * texture2DLod(tex, p0, lod) + g1x * texture2DLod(tex, p1, lod))) + - (g1(fuv.y) * (g0x * texture2DLod(tex, p2, lod) + g1x * texture2DLod(tex, p3, lod))); -} - -#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2D_bicubic(m_tex, m_uv, m_lod) -#else //!USE_GLOW_FILTER_BICUBIC -#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2DLod(m_tex, m_uv, float(m_lod)) -#endif //USE_GLOW_FILTER_BICUBIC - -#else //!GL_EXT_gpu_shader4 -#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2DLod(m_tex, m_uv, float(m_lod)) -#endif //GL_EXT_gpu_shader4 - -vec3 apply_glow(vec3 color, vec3 glow) { // apply glow using the selected blending mode -#ifdef USE_GLOW_REPLACE - color = glow; -#endif - -#ifdef USE_GLOW_SCREEN - color = max((color + glow) - (color * glow), vec3(0.0)); -#endif - -#ifdef USE_GLOW_SOFTLIGHT - glow = glow * vec3(0.5) + vec3(0.5); - - color.r = (glow.r <= 0.5) ? (color.r - (1.0 - 2.0 * glow.r) * color.r * (1.0 - color.r)) : (((glow.r > 0.5) && (color.r <= 0.25)) ? (color.r + (2.0 * glow.r - 1.0) * (4.0 * color.r * (4.0 * color.r + 1.0) * (color.r - 1.0) + 7.0 * color.r)) : (color.r + (2.0 * glow.r - 1.0) * (sqrt(color.r) - color.r))); - color.g = (glow.g <= 0.5) ? (color.g - (1.0 - 2.0 * glow.g) * color.g * (1.0 - color.g)) : (((glow.g > 0.5) && (color.g <= 0.25)) ? (color.g + (2.0 * glow.g - 1.0) * (4.0 * color.g * (4.0 * color.g + 1.0) * (color.g - 1.0) + 7.0 * color.g)) : (color.g + (2.0 * glow.g - 1.0) * (sqrt(color.g) - color.g))); - color.b = (glow.b <= 0.5) ? (color.b - (1.0 - 2.0 * glow.b) * color.b * (1.0 - color.b)) : (((glow.b > 0.5) && (color.b <= 0.25)) ? (color.b + (2.0 * glow.b - 1.0) * (4.0 * color.b * (4.0 * color.b + 1.0) * (color.b - 1.0) + 7.0 * color.b)) : (color.b + (2.0 * glow.b - 1.0) * (sqrt(color.b) - color.b))); -#endif - -#if !defined(USE_GLOW_SCREEN) && !defined(USE_GLOW_SOFTLIGHT) && !defined(USE_GLOW_REPLACE) // no other selected -> additive - color += glow; -#endif - - return color; -} - -vec3 apply_bcs(vec3 color, vec3 bcs) { - color = mix(vec3(0.0), color, bcs.x); - color = mix(vec3(0.5), color, bcs.y); - color = mix(vec3(dot(vec3(1.0), color) * 0.33333), color, bcs.z); - - return color; -} - -vec3 apply_color_correction(vec3 color, sampler2D correction_tex) { - color.r = texture2D(correction_tex, vec2(color.r, 0.0)).r; - color.g = texture2D(correction_tex, vec2(color.g, 0.0)).g; - color.b = texture2D(correction_tex, vec2(color.b, 0.0)).b; - - return color; -} - -void main() { - vec3 color = texture2DLod(source, uv_interp, 0.0).rgb; - - // Glow - -#ifdef USING_GLOW - vec3 glow = vec3(0.0); -#ifdef USE_MULTI_TEXTURE_GLOW -#ifdef USE_GLOW_LEVEL1 - glow += GLOW_TEXTURE_SAMPLE(source_glow1, uv_interp, 0).rgb; -#ifdef USE_GLOW_LEVEL2 - glow += GLOW_TEXTURE_SAMPLE(source_glow2, uv_interp, 0).rgb; -#ifdef USE_GLOW_LEVEL3 - glow += GLOW_TEXTURE_SAMPLE(source_glow3, uv_interp, 0).rgb; -#ifdef USE_GLOW_LEVEL4 - glow += GLOW_TEXTURE_SAMPLE(source_glow4, uv_interp, 0).rgb; -#ifdef USE_GLOW_LEVEL5 - glow += GLOW_TEXTURE_SAMPLE(source_glow5, uv_interp, 0).rgb; -#ifdef USE_GLOW_LEVEL6 - glow += GLOW_TEXTURE_SAMPLE(source_glow6, uv_interp, 0).rgb; -#ifdef USE_GLOW_LEVEL7 - glow += GLOW_TEXTURE_SAMPLE(source_glow7, uv_interp, 0).rgb; -#endif -#endif -#endif -#endif -#endif -#endif -#endif - -#else - -#ifdef USE_GLOW_LEVEL1 - glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 1).rgb; -#endif - -#ifdef USE_GLOW_LEVEL2 - glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 2).rgb; -#endif - -#ifdef USE_GLOW_LEVEL3 - glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 3).rgb; -#endif - -#ifdef USE_GLOW_LEVEL4 - glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 4).rgb; -#endif - -#ifdef USE_GLOW_LEVEL5 - glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 5).rgb; -#endif - -#ifdef USE_GLOW_LEVEL6 - glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 6).rgb; -#endif - -#ifdef USE_GLOW_LEVEL7 - glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 7).rgb; -#endif -#endif //USE_MULTI_TEXTURE_GLOW - - glow *= glow_intensity; - color = apply_glow(color, glow); -#endif - - // Additional effects - -#ifdef USE_BCS - color = apply_bcs(color, bcs); -#endif - -#ifdef USE_COLOR_CORRECTION - color = apply_color_correction(color, color_correction); -#endif - - gl_FragColor = vec4(color, 1.0); -} |