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render/color, render/vulkan: add EXT_LINEAR to enum wlr_color_transfer_function

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This commit is contained in:
Simon Ser 2025-02-23 14:57:04 +01:00
parent f5a0992686
commit 0ee0452af0
6 changed files with 22 additions and 7 deletions
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9
render/vulkan/shaders/output.frag
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@ -18,9 +18,10 @@ layout(push_constant, row_major) uniform UBO {
layout (constant_id = 0) const int OUTPUT_TRANSFORM = 0;
// Matches enum wlr_vk_output_transform
#define OUTPUT_TRANSFORM_INVERSE_SRGB 0
#define OUTPUT_TRANSFORM_INVERSE_ST2084_PQ 1
#define OUTPUT_TRANSFORM_LUT_3D 2
#define OUTPUT_TRANSFORM_IDENTITY 0
#define OUTPUT_TRANSFORM_INVERSE_SRGB 1
#define OUTPUT_TRANSFORM_INVERSE_ST2084_PQ 2
#define OUTPUT_TRANSFORM_LUT_3D 3
float linear_channel_to_srgb(float x) {
return max(min(x * 12.92, 0.04045), 1.055 * pow(x, 1. / 2.4) - 0.055);
@ -67,7 +68,7 @@ void main() {
rgb = texture(lut_3d, pos).rgb;
} else if (OUTPUT_TRANSFORM == OUTPUT_TRANSFORM_INVERSE_ST2084_PQ) {
rgb = linear_color_to_pq(rgb);
} else { // OUTPUT_TRANSFORM_INVERSE_SRGB
} else if (OUTPUT_TRANSFORM == OUTPUT_TRANSFORM_INVERSE_SRGB) {
// Produce sRGB encoded values
rgb = linear_color_to_srgb(rgb);
}