mirrors/wlroots
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/wlroots/wlroots.git synced 2026-04-19 06:47:02 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

render/vulkan: Support 3x1d color transforms

Browse source
This commit is contained in:
Alexander Orzechowski 2024-08-24 23:29:33 -04:00
parent 04563f88e1
commit 367c46e670
5 changed files with 236 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

1
render/vulkan/shaders/meson.build
View file

@ -23,6 +23,7 @@ endforeach
vulkan_shader_output_color_transforms = {
'inverse_rgb': '0',
'lut_3d': '1',
'lut_3x1d': '2',
}
foreach name, ident : vulkan_shader_output_color_transforms

16
render/vulkan/shaders/output.frag
View file

@ -5,13 +5,20 @@ layout (input_attachment_index = 0, set = 0, binding = 0) uniform subpassInput i
// Matches enum wlr_vk_output_transform
#define OUTPUT_TRANSFORM_INVERSE_SRGB 0
#define OUTPUT_TRANSFORM_LUT_3D 1
#define OUTPUT_TRANSFORM_LUT_3x1D 2
layout(location = 0) in vec2 uv;
layout(location = 0) out vec4 out_color;
#if OUTPUT_TRANSFORM == OUTPUT_TRANSFORM_LUT_3x1D
layout(set = 1, binding = 0) uniform sampler1D lut_3x1d;
#endif
#if OUTPUT_TRANSFORM == OUTPUT_TRANSFORM_LUT_3D
layout(set = 1, binding = 0) uniform sampler3D lut_3d;
#endif
#if OUTPUT_TRANSFORM == OUTPUT_TRANSFORM_LUT_3D || OUTPUT_TRANSFORM == OUTPUT_TRANSFORM_LUT_3x1D
/* struct wlr_vk_frag_output_pcr_data */
layout(push_constant) uniform UBO {
layout(offset = 80) float lut_3d_offset;
@ -39,6 +46,15 @@ void main() {
rgb = texture(lut_3d, pos).rgb;
#endif
#if OUTPUT_TRANSFORM == OUTPUT_TRANSFORM_LUT_3x1D
vec3 pos = data.lut_3d_offset + rgb * data.lut_3d_scale;
rgb = vec3(
texture(lut_3x1d, pos.r).r,
texture(lut_3x1d, pos.g).g,
texture(lut_3x1d, pos.b).b
);
#endif
#if OUTPUT_TRANSFORM == OUTPUT_TRANSFORM_INVERSE_SRGB
rgb = vec3(
linear_channel_to_srgb(rgb.r),