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Merge branch 'render-pass-clear' into 'master'

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Draft: Clear buffer in wlr_render_pass_add_rect if it takes the whole buffer

See merge request wlroots/wlroots!4750
This commit is contained in:
Simon Zeni 2026-01-21 05:59:51 -05:00
commit efbc392f28
1 changed files with 20 additions and 5 deletions
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25
render/gles2/pass.c
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@ -262,15 +262,30 @@ static void render_pass_add_rect(struct wlr_render_pass *wlr_pass,
struct wlr_box box;
wlr_render_rect_options_get_box(options, pass->buffer->buffer, &box);
struct wlr_box pass_box = {
.width = pass->buffer->buffer->width,
.height = pass->buffer->buffer->height,
};
enum wlr_render_blend_mode mode =
color->a == 1.0 ? WLR_RENDER_BLEND_MODE_NONE : options->blend_mode;
push_gles2_debug(renderer);
setup_blending(color->a == 1.0 ? WLR_RENDER_BLEND_MODE_NONE : options->blend_mode);
glUseProgram(renderer->shaders.quad.program);
if (wlr_box_equal(&pass_box, &box) && mode == WLR_RENDER_BLEND_MODE_NONE) {
glClearColor(color->r, color->g, color->b, color->a);
glClear(GL_COLOR_BUFFER_BIT);
} else {
setup_blending(mode);
set_proj_matrix(renderer->shaders.quad.proj, pass->projection_matrix, &box);
glUniform4f(renderer->shaders.quad.color, color->r, color->g, color->b, color->a);
glUseProgram(renderer->shaders.quad.program);
set_proj_matrix(renderer->shaders.quad.proj, pass->projection_matrix, &box);
glUniform4f(renderer->shaders.quad.color, color->r, color->g, color->b, color->a);
render(&box, options->clip, renderer->shaders.quad.pos_attrib);
};
render(&box, options->clip, renderer->shaders.quad.pos_attrib);
pop_gles2_debug(renderer);
}