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render: gles2: Add colour conversion matrix to shaders

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This allows mapping to YCbCr without modifying the shader itself.

Signed-off-by: Andri Yngvason <andri@yngvason.is>
This commit is contained in:
Andri Yngvason 2026-04-16 13:30:21 +00:00
parent 20c2085057
commit 2283e05c30
7 changed files with 31 additions and 10 deletions
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4
render/gles2/renderer.c
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@ -640,6 +640,7 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) {
}
renderer->shaders.quad.proj = glGetUniformLocation(prog, "proj");
renderer->shaders.quad.color = glGetUniformLocation(prog, "color");
renderer->shaders.quad.color_matrix = glGetUniformLocation(prog, "color_matrix");
renderer->shaders.quad.pos_attrib = glGetAttribLocation(prog, "pos");
renderer->shaders.tex_rgba.program = prog =
@ -651,6 +652,7 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) {
renderer->shaders.tex_rgba.tex_proj = glGetUniformLocation(prog, "tex_proj");
renderer->shaders.tex_rgba.tex = glGetUniformLocation(prog, "tex");
renderer->shaders.tex_rgba.alpha = glGetUniformLocation(prog, "alpha");
renderer->shaders.tex_rgba.color_matrix = glGetUniformLocation(prog, "color_matrix");
renderer->shaders.tex_rgba.pos_attrib = glGetAttribLocation(prog, "pos");
renderer->shaders.tex_rgbx.program = prog =
@ -662,6 +664,7 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) {
renderer->shaders.tex_rgbx.tex_proj = glGetUniformLocation(prog, "tex_proj");
renderer->shaders.tex_rgbx.tex = glGetUniformLocation(prog, "tex");
renderer->shaders.tex_rgbx.alpha = glGetUniformLocation(prog, "alpha");
renderer->shaders.tex_rgbx.color_matrix = glGetUniformLocation(prog, "color_matrix");
renderer->shaders.tex_rgbx.pos_attrib = glGetAttribLocation(prog, "pos");
if (renderer->exts.OES_egl_image_external) {
@ -674,6 +677,7 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) {
renderer->shaders.tex_ext.tex_proj = glGetUniformLocation(prog, "tex_proj");
renderer->shaders.tex_ext.tex = glGetUniformLocation(prog, "tex");
renderer->shaders.tex_ext.alpha = glGetUniformLocation(prog, "alpha");
renderer->shaders.tex_ext.color_matrix = glGetUniformLocation(prog, "color_matrix");
renderer->shaders.tex_ext.pos_attrib = glGetAttribLocation(prog, "pos");
}