diff options
Diffstat (limited to 'source/blender/gpu/shaders/gpu_shader_vertex.glsl')
| -rw-r--r-- | source/blender/gpu/shaders/gpu_shader_vertex.glsl | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_vertex.glsl b/source/blender/gpu/shaders/gpu_shader_vertex.glsl index 7e332706695..9a6537b4f09 100644 --- a/source/blender/gpu/shaders/gpu_shader_vertex.glsl +++ b/source/blender/gpu/shaders/gpu_shader_vertex.glsl @@ -14,6 +14,68 @@ varying vec3 varnormal; varying float gl_ClipDistance[6]; #endif +float srgb_to_linearrgb(float c) +{ + if (c < 0.04045) + return (c < 0.0) ? 0.0 : c * (1.0 / 12.92); + else + return pow((c + 0.055) * (1.0 / 1.055), 2.4); +} + +void srgb_to_linearrgb(vec3 col_from, out vec3 col_to) +{ + col_to.r = srgb_to_linearrgb(col_from.r); + col_to.g = srgb_to_linearrgb(col_from.g); + col_to.b = srgb_to_linearrgb(col_from.b); +} + +void srgb_to_linearrgb(vec4 col_from, out vec4 col_to) +{ + col_to.r = srgb_to_linearrgb(col_from.r); + col_to.g = srgb_to_linearrgb(col_from.g); + col_to.b = srgb_to_linearrgb(col_from.b); + col_to.a = col_from.a; +} + +bool is_srgb(int info) +{ +#ifdef USE_NEW_SHADING + return (info == 1)? true: false; +#else + return false; +#endif +} + +void set_var_from_attr(float attr, int info, out float var) +{ + var = attr; +} + +void set_var_from_attr(vec2 attr, int info, out vec2 var) +{ + var = attr; +} + +void set_var_from_attr(vec3 attr, int info, out vec3 var) +{ + if (is_srgb(info)) { + srgb_to_linearrgb(attr, var); + } + else { + var = attr; + } +} + +void set_var_from_attr(vec4 attr, int info, out vec4 var) +{ + if (is_srgb(info)) { + srgb_to_linearrgb(attr, var); + } + else { + var = attr; + } +} + void main() { #ifndef USE_OPENSUBDIV @@ -29,7 +91,7 @@ void main() #ifdef CLIP_WORKAROUND int i; - for(i = 0; i < 6; i++) + for (i = 0; i < 6; i++) gl_ClipDistance[i] = dot(co, gl_ClipPlane[i]); #elif !defined(GPU_ATI) // Setting gl_ClipVertex is necessary to get glClipPlane working on NVIDIA |