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render: introduce Gamma 2.2 color transform

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This commit is contained in:
Félix Poisot 2025-08-17 15:51:26 +00:00
parent 6978509f64
commit c2d9ae2142
9 changed files with 31 additions and 1 deletions
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9
render/vulkan/pass.c
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@ -246,6 +246,9 @@ static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
case WLR_COLOR_TRANSFER_FUNCTION_ST2084_PQ:
pipeline = render_buffer->two_pass.render_setup->output_pipe_pq;
break;
case WLR_COLOR_TRANSFER_FUNCTION_GAMMA22:
pipeline = render_buffer->two_pass.render_setup->output_pipe_gamma22;
break;
}
struct wlr_color_luminances srgb_lum, dst_lum;
@ -796,6 +799,9 @@ static void render_pass_add_texture(struct wlr_render_pass *wlr_pass,
case WLR_COLOR_TRANSFER_FUNCTION_ST2084_PQ:
tex_transform = WLR_VK_TEXTURE_TRANSFORM_ST2084_PQ;
break;
case WLR_COLOR_TRANSFER_FUNCTION_GAMMA22:
tex_transform = WLR_VK_TEXTURE_TRANSFORM_GAMMA22;
break;
}
struct wlr_vk_pipeline *pipe = setup_get_or_create_pipeline(
@ -840,7 +846,8 @@ static void render_pass_add_texture(struct wlr_render_pass *wlr_pass,
}
float luminance_multiplier = 1;
if (tf != WLR_COLOR_TRANSFER_FUNCTION_SRGB) {
if (tf != WLR_COLOR_TRANSFER_FUNCTION_SRGB
&& tf != WLR_COLOR_TRANSFER_FUNCTION_GAMMA22) {
struct wlr_color_luminances src_lum, srgb_lum;
wlr_color_transfer_function_get_default_luminance(tf, &src_lum);
wlr_color_transfer_function_get_default_luminance(