diff options
Diffstat (limited to 'source/blender/gpu/shaders/gpu_shader_image_linear_frag.glsl')
| -rw-r--r-- | source/blender/gpu/shaders/gpu_shader_image_linear_frag.glsl | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_image_linear_frag.glsl b/source/blender/gpu/shaders/gpu_shader_image_linear_frag.glsl new file mode 100644 index 00000000000..c2b25cc8011 --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_image_linear_frag.glsl @@ -0,0 +1,30 @@ + +/* Display a linear image texture into sRGB space */ + +uniform sampler2D image; + +in vec2 texCoord_interp; + +out vec4 fragColor; + +float linearrgb_to_srgb(float c) +{ + if (c < 0.0031308) + return (c < 0.0) ? 0.0 : c * 12.92; + else + return 1.055 * pow(c, 1.0 / 2.4) - 0.055; +} + +void linearrgb_to_srgb(vec4 col_from, out vec4 col_to) +{ + col_to.r = linearrgb_to_srgb(col_from.r); + col_to.g = linearrgb_to_srgb(col_from.g); + col_to.b = linearrgb_to_srgb(col_from.b); + col_to.a = col_from.a; +} + +void main() { + fragColor = texture(image, texCoord_interp.st); + + linearrgb_to_srgb(fragColor, fragColor); +}
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