diff options
Diffstat (limited to 'drivers/opengl/shaders/canvas.glsl')
-rw-r--r-- | drivers/opengl/shaders/canvas.glsl | 686 |
1 files changed, 0 insertions, 686 deletions
diff --git a/drivers/opengl/shaders/canvas.glsl b/drivers/opengl/shaders/canvas.glsl deleted file mode 100644 index 3dee2faa88..0000000000 --- a/drivers/opengl/shaders/canvas.glsl +++ /dev/null @@ -1,686 +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 - -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 - -#ifdef USE_ATTRIB_LIGHT_ANGLE -// shared with tangent, not used in canvas shader -attribute highp float light_angle; // attrib:2 -#endif - -attribute vec4 color_attrib; // attrib:3 -attribute vec2 uv_attrib; // attrib:4 - -#ifdef USE_ATTRIB_MODULATE -attribute highp vec4 modulate_attrib; // attrib:5 -#endif - -#ifdef USE_ATTRIB_LARGE_VERTEX -// shared with skeleton attributes, not used in batched shader -attribute highp vec2 translate_attrib; // attrib:6 -attribute highp vec4 basis_attrib; // attrib:7 -#endif - -#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; - -#ifdef USE_ATTRIB_MODULATE -// modulate doesn't need interpolating but we need to send it to the fragment shader -varying vec4 modulate_interp; -#endif - -#ifdef MODULATE_USED -uniform vec4 final_modulate; -#endif - -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; - -#ifdef USE_ATTRIB_MODULATE - // modulate doesn't need interpolating but we need to send it to the fragment shader - modulate_interp = modulate_attrib; -#endif - -#ifdef USE_ATTRIB_LARGE_VERTEX - // transform is in attributes - vec2 temp; - - temp = outvec.xy; - temp.x = (outvec.x * basis_attrib.x) + (outvec.y * basis_attrib.z); - temp.y = (outvec.x * basis_attrib.y) + (outvec.y * basis_attrib.w); - - temp += translate_attrib; - outvec.xy = temp; - -#else - - // transform is in uniforms -#if !defined(SKIP_TRANSFORM_USED) - outvec = extra_matrix_instance * outvec; - outvec = modelview_matrix * outvec; -#endif - -#endif // not large integer - - 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 - -#ifdef USE_ATTRIB_LIGHT_ANGLE - // we add a fixed offset because we are using the sign later, - // and don't want floating point error around 0.0 - float la = abs(light_angle) - 1.0; - - // vector light angle - vec4 vla; - vla.xy = vec2(cos(la), sin(la)); - vla.zw = vec2(-vla.y, vla.x); - - // vertical flip encoded in the sign - vla.zw *= sign(light_angle); - - // apply the transform matrix. - // The rotate will be encoded in the transform matrix for single rects, - // and just the flips in the light angle. - // For batching we will encode the rotation and the flips - // in the light angle, and can use the same shader. - local_rot.xy = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.xy, 0.0, 0.0))).xy); - local_rot.zw = normalize((modelview_matrix * (extra_matrix_instance * vec4(vla.zw, 0.0, 0.0))).xy); -#else - 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 // not using light angle - -#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 - -#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; - -#ifdef USE_ATTRIB_MODULATE -varying mediump vec4 modulate_interp; -#endif - -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:-6 -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 - } - -#ifdef USE_ATTRIB_MODULATE - color *= modulate_interp; -#else -#if !defined(MODULATE_USED) - color *= final_modulate; -#endif -#endif - -#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; -} |