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render: Introduce wlr_render_texture_options.blend_mode

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This commit is contained in:
Alexander Orzechowski 2023-06-19 13:16:34 -04:00
parent 693005ac99
commit 2044cc2311
5 changed files with 39 additions and 30 deletions
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26
render/pixman/pass.c
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@ -26,6 +26,16 @@ static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
return true;
}
static pixman_op_t get_pixman_blending(enum wlr_render_blend_mode mode) {
switch (mode) {
case WLR_RENDER_BLEND_MODE_PREMULTIPLIED:
return PIXMAN_OP_OVER;
case WLR_RENDER_BLEND_MODE_NONE:
return PIXMAN_OP_SRC;
}
abort();
}
static void render_pass_add_texture(struct wlr_render_pass *wlr_pass,
const struct wlr_render_texture_options *options) {
struct wlr_pixman_render_pass *pass = get_render_pass(wlr_pass);
@ -129,8 +139,10 @@ static void render_pass_add_texture(struct wlr_render_pass *wlr_pass,
break;
}
pixman_op_t op = get_pixman_blending(options->blend_mode);
pixman_image_set_clip_region32(buffer->image, (pixman_region32_t *)options->clip);
pixman_image_composite32(PIXMAN_OP_OVER, texture->image, mask,
pixman_image_composite32(op, texture->image, mask,
buffer->image, src_box.x, src_box.y, 0, 0, dest_x, dest_y,
width, height);
pixman_image_set_clip_region32(buffer->image, NULL);
@ -152,16 +164,8 @@ static void render_pass_add_rect(struct wlr_render_pass *wlr_pass,
struct wlr_pixman_buffer *buffer = pass->buffer;
struct wlr_box box = options->box;
pixman_op_t op = 0;
switch (options->blend_mode) {
case WLR_RENDER_BLEND_MODE_PREMULTIPLIED:
op = options->color.a == 1 ? PIXMAN_OP_SRC : PIXMAN_OP_OVER;
break;
case WLR_RENDER_BLEND_MODE_NONE:
op = PIXMAN_OP_SRC;
break;
}
assert(op != 0);
pixman_op_t op = get_pixman_blending(options->color.a == 1 ?
WLR_RENDER_BLEND_MODE_NONE : options->blend_mode);
struct pixman_color color = {
.red = options->color.r * 0xFFFF,