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render/gles: use optimized clears for unblended rects

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YaoBing Xiao 2026-02-06 23:30:35 +08:00 • committed by Simon Ser
parent a55b85e2e1
commit 55bb69e2c4
1 changed files with 18 additions and 9 deletions
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27
render/gles2/pass.c
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@ -260,17 +260,26 @@ static void render_pass_add_rect(struct wlr_render_pass *wlr_pass,
const struct wlr_render_color *color = &options->color;
struct wlr_box box;
wlr_render_rect_options_get_box(options, pass->buffer->buffer, &box);
struct wlr_buffer *wlr_buffer = pass->buffer->buffer;
wlr_render_rect_options_get_box(options, wlr_buffer, &box);
push_gles2_debug(renderer);
setup_blending(color->a == 1.0 ? WLR_RENDER_BLEND_MODE_NONE : options->blend_mode);
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);
enum wlr_render_blend_mode blend_mode =
color->a == 1.0 ? WLR_RENDER_BLEND_MODE_NONE : options->blend_mode;
if (blend_mode == WLR_RENDER_BLEND_MODE_NONE &&
options->clip == NULL &&
box.x == 0 && box.y == 0 &&
box.width == wlr_buffer->width &&
box.height == wlr_buffer->height) {
glClearColor(color->r, color->g, color->b, color->a);
glClear(GL_COLOR_BUFFER_BIT);
} else {
setup_blending(blend_mode);
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);
}
pop_gles2_debug(renderer);
}