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backend: xrender: handle blur mask 

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui 2022-08-25 02:45:02 +01:00
parent 6b7a5dd6cf
commit 137a47261c
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GPG Key ID: D3A4405BE6CC17F4
1 changed files with 18 additions and 11 deletions
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27
src/backend/xrender/xrender.c
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@ -373,9 +373,8 @@ static void fill(backend_t *base, struct color c, const region_t *clip) {
.height = to_u16_checked(extent->y2 - extent->y1)}});
}
static bool
blur(backend_t *backend_data, double opacity, void *ctx_, void *mask attr_unused,
coord_t mask_dst attr_unused, const region_t *reg_blur, const region_t *reg_visible) {
static bool blur(backend_t *backend_data, double opacity, void *ctx_, void *mask,
coord_t mask_dst, const region_t *reg_blur, const region_t *reg_visible) {
struct _xrender_blur_context *bctx = ctx_;
if (bctx->method == BLUR_METHOD_NONE) {
return true;
@ -426,7 +425,12 @@ blur(backend_t *backend_data, double opacity, void *ctx_, void *mask attr_unused
pixman_region32_fini(&clip);
xcb_render_picture_t src_pict = xd->back[2], dst_pict = tmp_picture[0];
auto alpha_pict = xd->alpha_pict[(int)(opacity * MAX_ALPHA)];
auto mask_pict = xd->alpha_pict[(int)(opacity * MAX_ALPHA)];
bool mask_allocated = false;
if (mask != NULL) {
mask_pict = process_mask(xd, mask, opacity != 1.0 ? mask_pict : XCB_NONE,
&mask_allocated);
}
int current = 0;
x_set_picture_clip_region(c, src_pict, 0, 0, &reg_op_resized);
@ -462,11 +466,12 @@ blur(backend_t *backend_data, double opacity, void *ctx_, void *mask attr_unused
} else {
x_set_picture_clip_region(c, xd->back[2], 0, 0, &reg_op);
// This is the last pass, and we are doing more than 1 pass
xcb_render_composite(c, XCB_RENDER_PICT_OP_OVER, src_pict,
alpha_pict, xd->back[2], 0, 0, 0, 0,
xcb_render_composite(
c, XCB_RENDER_PICT_OP_OVER, src_pict, mask_pict, xd->back[2],
0, 0, to_i16_checked(extent_resized->x1 - mask_dst.x + 1),
to_i16_checked(extent_resized->y1 - mask_dst.y + 1),
to_i16_checked(extent_resized->x1),
to_i16_checked(extent_resized->y1),
width_resized, height_resized);
to_i16_checked(extent_resized->y1), width_resized, height_resized);
}
// reset filter
@ -482,8 +487,10 @@ blur(backend_t *backend_data, double opacity, void *ctx_, void *mask attr_unused
if (i == 1) {
x_set_picture_clip_region(c, xd->back[2], 0, 0, &reg_op);
xcb_render_composite(
c, XCB_RENDER_PICT_OP_OVER, src_pict, alpha_pict, xd->back[2], 0, 0,
0, 0, to_i16_checked(extent_resized->x1),
c, XCB_RENDER_PICT_OP_OVER, src_pict, mask_pict, xd->back[2], 0, 0,
to_i16_checked(extent_resized->x1 - mask_dst.x + 1),
to_i16_checked(extent_resized->y1 - mask_dst.y + 1),
to_i16_checked(extent_resized->x1),
to_i16_checked(extent_resized->y1), width_resized, height_resized);
}