diff options
Diffstat (limited to 'drivers/gles2/shaders')
| -rw-r--r-- | drivers/gles2/shaders/SCsub | 2 | ||||
| -rw-r--r-- | drivers/gles2/shaders/canvas.glsl | 452 | ||||
| -rw-r--r-- | drivers/gles2/shaders/canvas_shadow.glsl | 43 | ||||
| -rw-r--r-- | drivers/gles2/shaders/copy.glsl | 42 | ||||
| -rw-r--r-- | drivers/gles2/shaders/cube_to_dp.glsl | 2 | ||||
| -rw-r--r-- | drivers/gles2/shaders/cubemap_filter.glsl | 51 | ||||
| -rw-r--r-- | drivers/gles2/shaders/effect_blur.glsl | 5 | ||||
| -rw-r--r-- | drivers/gles2/shaders/lens_distorted.glsl | 2 | ||||
| -rw-r--r-- | drivers/gles2/shaders/scene.glsl | 236 |
9 files changed, 749 insertions, 86 deletions
diff --git a/drivers/gles2/shaders/SCsub b/drivers/gles2/shaders/SCsub index d959d3f740..085c43319c 100644 --- a/drivers/gles2/shaders/SCsub +++ b/drivers/gles2/shaders/SCsub @@ -6,7 +6,7 @@ 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('canvas_shadow.glsl'); env.GLES2_GLSL('scene.glsl'); env.GLES2_GLSL('cubemap_filter.glsl'); env.GLES2_GLSL('cube_to_dp.glsl'); diff --git a/drivers/gles2/shaders/canvas.glsl b/drivers/gles2/shaders/canvas.glsl index 87a615ade1..0818942b0a 100644 --- a/drivers/gles2/shaders/canvas.glsl +++ b/drivers/gles2/shaders/canvas.glsl @@ -2,21 +2,50 @@ [vertex] #ifdef USE_GLES_OVER_GL +#define lowp #define mediump #define highp #else -precision mediump float; -precision mediump int; +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 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; @@ -31,6 +60,35 @@ uniform vec4 src_rect; 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 @@ -49,13 +107,29 @@ vec2 select(vec2 a, vec2 b, bvec2 c) { 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_interp = src_rect.xy + abs(src_rect.zw) * vertex.yx; + uv = src_rect.xy + abs(src_rect.zw) * vertex.yx; } else { - uv_interp = src_rect.xy + abs(src_rect.zw) * vertex; + uv = src_rect.xy + abs(src_rect.zw) * vertex; } vec4 outvec = vec4(0.0, 0.0, 0.0, 1.0); @@ -72,9 +146,7 @@ void main() { #else vec4 outvec = vec4(vertex.xy, 0.0, 1.0); - uv_interp = uv_attrib; - - + uv = uv_attrib; #endif { @@ -87,7 +159,7 @@ VERTEX_SHADER_CODE } #if !defined(SKIP_TRANSFORM_USED) - outvec = extra_matrix * outvec; + outvec = extra_matrix_instance * outvec; outvec = modelview_matrix * outvec; #endif @@ -95,21 +167,96 @@ VERTEX_SHADER_CODE #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] +// 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 uniform sampler2D color_texture; // texunit:-1 /* clang-format on */ @@ -125,7 +272,7 @@ uniform vec4 final_modulate; #ifdef SCREEN_TEXTURE_USED -uniform sampler2D screen_texture; // texunit:-3 +uniform sampler2D screen_texture; // texunit:-4 #endif @@ -135,33 +282,316 @@ 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, + 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_interp); + 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; + + 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, + 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 + // Reset light_vec to compute shadows, the shadow map is created from the light origin, so it only + // makes sense to compute shadows from there. + light_vec = light_uv_interp.zw; + + float angle_to_light = -atan(light_vec.x, light_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 = light_vec; + sh = 0.0 + (1.0 / 8.0); + } else if (abs_angle > 135.0 * PI / 180.0) { + point = -light_vec; + sh = 0.5 + (1.0 / 8.0); + } else if (angle_to_light > 0.0) { + + point = vec2(light_vec.y, -light_vec.x); + sh = 0.25 + (1.0 / 8.0); + } else { + + point = vec2(-light_vec.y, light_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 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 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 index e3c8140e31..01b2c59325 100644 --- a/drivers/gles2/shaders/canvas_shadow.glsl +++ b/drivers/gles2/shaders/canvas_shadow.glsl @@ -1,15 +1,24 @@ /* 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; -layout(location = 0) in highp vec3 vertex; - -out highp vec4 position_interp; +varying highp vec4 position_interp; void main() { @@ -20,31 +29,29 @@ void main() { /* clang-format off */ [fragment] -in highp vec4 position_interp; -/* clang-format on */ - -#ifdef USE_RGBA_SHADOWS - -layout(location = 0) out lowp vec4 distance_buf; - +#ifdef USE_GLES_OVER_GL +#define lowp +#define mediump +#define highp #else - -layout(location = 0) out highp float distance_buf; - +precision mediump float; +precision mediump int; #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; + 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(256.0 * 256.0 * 256.0, 256.0 * 256.0, 256.0, 1.0)); - comp -= comp.xxyz * vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0); - distance_buf = comp; + comp -= comp.xxyz * vec4(0.0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0); + gl_FragColor = comp; #else - distance_buf = depth; - + gl_FragColor = vec4(depth); #endif } diff --git a/drivers/gles2/shaders/copy.glsl b/drivers/gles2/shaders/copy.glsl index 97a24212a5..195db7c45f 100644 --- a/drivers/gles2/shaders/copy.glsl +++ b/drivers/gles2/shaders/copy.glsl @@ -2,11 +2,12 @@ [vertex] #ifdef USE_GLES_OVER_GL +#define lowp #define mediump #define highp #else -precision mediump float; -precision mediump int; +precision highp float; +precision highp int; #endif attribute highp vec4 vertex_attrib; // attrib:0 @@ -27,8 +28,15 @@ 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 vec4 copy_section; +uniform highp vec4 copy_section; +#elif defined(USE_DISPLAY_TRANSFORM) +uniform highp mat4 display_transform; #endif void main() { @@ -47,6 +55,8 @@ void main() { #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 } @@ -56,12 +66,18 @@ void main() { #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; @@ -81,6 +97,10 @@ uniform samplerCube source_cube; // texunit:0 uniform sampler2D source; // texunit:0 #endif +#ifdef SEP_CBCR_TEXTURE +uniform sampler2D CbCr; //texunit:1 +#endif + varying vec2 uv2_interp; #ifdef USE_MULTIPLIER @@ -138,10 +158,26 @@ void main() { #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 diff --git a/drivers/gles2/shaders/cube_to_dp.glsl b/drivers/gles2/shaders/cube_to_dp.glsl index 3d24c36336..cb4b3f6dec 100644 --- a/drivers/gles2/shaders/cube_to_dp.glsl +++ b/drivers/gles2/shaders/cube_to_dp.glsl @@ -2,6 +2,7 @@ [vertex] #ifdef USE_GLES_OVER_GL +#define lowp #define mediump #define highp #else @@ -25,6 +26,7 @@ void main() { [fragment] #ifdef USE_GLES_OVER_GL +#define lowp #define mediump #define highp #else diff --git a/drivers/gles2/shaders/cubemap_filter.glsl b/drivers/gles2/shaders/cubemap_filter.glsl index b1553c7cd5..db3d8b3a1b 100644 --- a/drivers/gles2/shaders/cubemap_filter.glsl +++ b/drivers/gles2/shaders/cubemap_filter.glsl @@ -2,11 +2,12 @@ [vertex] #ifdef USE_GLES_OVER_GL +#define lowp #define mediump #define highp #else -precision mediump float; -precision mediump int; +precision highp float; +precision highp int; #endif attribute highp vec2 vertex; // attrib:0 @@ -24,21 +25,40 @@ void main() { /* 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 -#ifndef GL_ARB_shader_texture_lod -#define texture2DLod(img, coord, lod) texture2D(img, coord) -#define textureCubeLod(img, coord, lod) textureCube(img, coord) +#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 @@ -116,7 +136,13 @@ vec3 texelCoordToVec(vec2 uv, int faceID) { 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 = (faceUvVectors[faceID][0] * uv.x) + (faceUvVectors[faceID][1] * uv.y) + faceUvVectors[faceID][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); } @@ -159,6 +185,18 @@ void main() { 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++) { @@ -193,4 +231,5 @@ void main() { 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 index a531802c75..df79e89931 100644 --- a/drivers/gles2/shaders/effect_blur.glsl +++ b/drivers/gles2/shaders/effect_blur.glsl @@ -116,12 +116,13 @@ void main() { #ifdef GAUSSIAN_HORIZONTAL vec2 pix_size = pixel_size; pix_size *= 0.5; //reading from larger buffer, so use more samples + // sigma 2 vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.214607; color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.189879; - color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.157305; + color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.131514; color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.071303; color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.189879; - color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.157305; + color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.131514; color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.071303; frag_color = color; #endif diff --git a/drivers/gles2/shaders/lens_distorted.glsl b/drivers/gles2/shaders/lens_distorted.glsl index efa35adf7d..81898a75a5 100644 --- a/drivers/gles2/shaders/lens_distorted.glsl +++ b/drivers/gles2/shaders/lens_distorted.glsl @@ -2,6 +2,7 @@ [vertex] #ifdef USE_GLES_OVER_GL +#define lowp #define mediump #define highp #else @@ -29,6 +30,7 @@ void main() { [fragment] #ifdef USE_GLES_OVER_GL +#define lowp #define mediump #define highp #else diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl index aba283970a..2aef913ae8 100644 --- a/drivers/gles2/shaders/scene.glsl +++ b/drivers/gles2/shaders/scene.glsl @@ -2,6 +2,7 @@ [vertex] #ifdef USE_GLES_OVER_GL +#define lowp #define mediump #define highp #else @@ -58,6 +59,10 @@ uniform ivec2 skeleton_texture_size; #endif +uniform highp mat4 skeleton_transform; +uniform highp mat4 skeleton_transform_inverse; +uniform bool skeleton_in_world_coords; + #endif #ifdef USE_INSTANCING @@ -95,6 +100,10 @@ uniform float light_normal_bias; // varyings // +#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS) +varying highp vec4 position_interp; +#endif + varying highp vec3 vertex_interp; varying vec3 normal_interp; @@ -157,6 +166,7 @@ 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 @@ -353,6 +363,10 @@ void main() { 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); @@ -394,7 +408,13 @@ void main() { #endif - world_matrix = bone_transform * world_matrix; + if (skeleton_in_world_coords) { + bone_transform = skeleton_transform * (bone_transform * skeleton_transform_inverse); + world_matrix = bone_transform * world_matrix; + } else { + world_matrix = world_matrix * bone_transform; + } + #endif #ifdef USE_INSTANCING @@ -404,9 +424,12 @@ void main() { #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 { @@ -640,24 +663,52 @@ VERTEX_SHADER_CODE #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] + +// 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 -#ifndef GL_ARB_shader_texture_lod -#define texture2DLod(img, coord, lod) texture2D(img, coord) -#define textureCubeLod(img, coord, lod) textureCube(img, coord) +#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 -precision mediump float; +#if defined(USE_HIGHP_PRECISION) +precision highp float; precision highp int; +#else +precision mediump float; +precision mediump int; +#endif #endif #include "stdlib.glsl" @@ -691,6 +742,9 @@ uniform vec2 screen_pixel_size; #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 @@ -860,6 +914,7 @@ uniform mat4 radiance_inverse_xform; #endif +uniform vec4 bg_color; uniform float bg_energy; uniform float ambient_sky_contribution; @@ -868,6 +923,8 @@ uniform float ambient_energy; #ifdef USE_LIGHTING +uniform highp vec4 shadow_color; + #ifdef USE_VERTEX_LIGHTING //get from vertex @@ -880,6 +937,7 @@ uniform highp vec3 light_direction; //may be used by fog, so leave here //done in fragment // general for all lights uniform highp vec4 light_color; + uniform highp float light_specular; // directional @@ -936,6 +994,10 @@ uniform vec4 light_clamp; // varyings // +#if defined(RENDER_DEPTH) && defined(USE_RGBA_SHADOWS) +varying highp vec4 position_interp; +#endif + varying highp vec3 vertex_interp; varying vec3 normal_interp; @@ -1089,8 +1151,8 @@ void light_compute( float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, - inout vec3 specular_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 @@ -1245,21 +1307,21 @@ LIGHT_SHADER_CODE // shlick+ggx as default #if defined(LIGHT_USE_ANISOTROPY) - float alpha = roughness * roughness; + float alpha_ggx = roughness * roughness; float aspect = sqrt(1.0 - anisotropy * 0.9); - float ax = alpha / aspect; - float ay = alpha * aspect; + 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)) + float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL); #else - float alpha = roughness * roughness; - float D = D_GGX(cNdotH, alpha); - //float G = G_GGX_2cos(cNdotL, alpha) * G_GGX_2cos(cNdotV, alpha); - float G = V_GGX(cNdotL, cNdotV, alpha); + 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); @@ -1289,6 +1351,10 @@ LIGHT_SHADER_CODE #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) } @@ -1297,8 +1363,18 @@ LIGHT_SHADER_CODE #ifdef USE_SHADOW -#define SAMPLE_SHADOW_TEXEL(p_shadow, p_pos, p_depth) step(p_depth, texture2D(p_shadow, p_pos).r) -#define SAMPLE_SHADOW_TEXEL_PROJ(p_shadow, p_pos) step(p_pos.z, texture2DProj(p_shadow, p_pos).r) +#ifdef USE_RGBA_SHADOWS + +#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 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) { @@ -1399,6 +1475,9 @@ void main() { 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; @@ -1461,14 +1540,29 @@ FRAGMENT_SHADER_CODE vec3 eye_position = view; +#if !defined(USE_SHADOW_TO_OPACITY) + #if defined(ALPHA_SCISSOR_USED) if (alpha < alpha_scissor) { discard; } -#endif +#endif // ALPHA_SCISSOR_USED + +#ifdef USE_DEPTH_PREPASS + if (alpha < 0.99) { + discard; + } +#endif // USE_DEPTH_PREPASS + +#endif // !USE_SHADOW_TO_OPACITY #ifdef BASE_PASS //none + +#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); @@ -1477,7 +1571,6 @@ FRAGMENT_SHADER_CODE ref_vec.z *= -1.0; specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy; - { vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz); vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, RADIANCE_MAX_LOD).xyz * bg_energy; @@ -1488,9 +1581,11 @@ FRAGMENT_SHADER_CODE #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) @@ -1546,6 +1641,19 @@ FRAGMENT_SHADER_CODE #endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2) + // 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 ndotv = clamp(dot(normal, eye_position), 0.0, 1.0); + 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; + + vec3 f0 = F0(metallic, specular, albedo); + specular_light *= env.x * f0 + env.y; + #ifdef USE_LIGHTMAP //ambient light will come entirely from lightmap is lightmap is used ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy; @@ -1554,14 +1662,14 @@ FRAGMENT_SHADER_CODE #ifdef USE_LIGHTMAP_CAPTURE { vec3 cone_dirs[12] = vec3[]( - vec3(0, 0, 1), - vec3(0.866025, 0, 0.5), + vec3(0.0, 0.0, 1.0), + vec3(0.866025, 0.0, 0.5), vec3(0.267617, 0.823639, 0.5), vec3(-0.700629, 0.509037, 0.5), vec3(-0.700629, -0.509037, 0.5), vec3(0.267617, -0.823639, 0.5), - vec3(0, 0, -1), - vec3(0.866025, 0, -0.5), + vec3(0.0, 0.0, -1.0), + vec3(0.866025, 0.0, -0.5), vec3(0.267617, 0.823639, -0.5), vec3(-0.700629, 0.509037, -0.5), vec3(-0.700629, -0.509037, -0.5), @@ -1617,6 +1725,8 @@ FRAGMENT_SHADER_CODE #endif +#if !defined(SHADOWS_DISABLED) + #ifdef USE_SHADOW { highp vec4 splane = shadow_coord; @@ -1643,10 +1753,12 @@ FRAGMENT_SHADER_CODE float shadow = sample_shadow(light_shadow_atlas, splane); - light_att *= shadow; + light_att *= mix(shadow_color.rgb, vec3(1.0), shadow); } #endif +#endif //SHADOWS_DISABLED + #endif //type omni #ifdef LIGHT_MODE_DIRECTIONAL @@ -1657,6 +1769,8 @@ FRAGMENT_SHADER_CODE #endif float depth_z = -vertex.z; +#if !defined(SHADOWS_DISABLED) + #ifdef USE_SHADOW #ifdef USE_VERTEX_LIGHTING @@ -1720,7 +1834,7 @@ FRAGMENT_SHADER_CODE shadow_att = mix(shadow_att, shadow_att2, pssm_blend); } #endif - light_att *= shadow_att; + light_att *= mix(shadow_color.rgb, vec3(1.0), shadow_att); } #endif //LIGHT_USE_PSSM4 @@ -1761,14 +1875,14 @@ FRAGMENT_SHADER_CODE shadow_att = mix(shadow_att, shadow_att2, pssm_blend); } #endif - light_att *= shadow_att; + 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 *= sample_shadow(light_directional_shadow, shadow_coord); + light_att *= mix(shadow_color.rgb, vec3(1.0), sample_shadow(light_directional_shadow, shadow_coord)); #endif //orthogonal #else //fragment version of pssm @@ -1868,13 +1982,15 @@ FRAGMENT_SHADER_CODE } #endif - light_att *= shadow; + 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 @@ -1911,16 +2027,19 @@ FRAGMENT_SHADER_CODE #endif +#if !defined(SHADOWS_DISABLED) + #ifdef USE_SHADOW { highp vec4 splane = shadow_coord; - splane.xyz /= splane.w; float shadow = sample_shadow(light_shadow_atlas, splane); - light_att *= shadow; + light_att *= mix(shadow_color.rgb, vec3(1.0), shadow); } #endif +#endif // SHADOWS_DISABLED + #endif // LIGHT_MODE_SPOT #ifdef USE_VERTEX_LIGHTING @@ -1951,13 +2070,32 @@ FRAGMENT_SHADER_CODE clearcoat_gloss, anisotropy, diffuse_light, - specular_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 < 0.99) { + discard; + } +#endif // USE_DEPTH_PREPASS + +#endif // !USE_SHADOW_TO_OPACITY + #ifndef RENDER_DEPTH #ifdef SHADELESS @@ -1984,17 +2122,6 @@ FRAGMENT_SHADER_CODE #if defined(DIFFUSE_TOON) //simplify for toon, as specular_light *= specular * metallic * albedo * 2.0; -#else - //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 ndotv = clamp(dot(normal, eye_position), 0.0, 1.0); - 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; - - vec3 f0 = F0(metallic, specular, albedo); - specular_light *= env.x * f0 + env.y; #endif } @@ -2006,14 +2133,17 @@ FRAGMENT_SHADER_CODE #endif // gl_FragColor = vec4(normal, 1.0); -#endif //unshaded - //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; @@ -2047,11 +2177,27 @@ FRAGMENT_SHADER_CODE } #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 // not RENDER_DEPTH +#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(256.0 * 256.0 * 256.0, 256.0 * 256.0, 256.0, 1.0)); + comp -= comp.xxyz * vec4(0.0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0); + gl_FragColor = comp; + +#endif +#endif } |