backend: fix rendering shadow with opacity
Shadow opacity should be multiplied with the window's opacity. Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
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0bd08f4ab4
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@ -134,9 +134,21 @@ void paint_all_new(session_t *ps, win *const t, bool ignore_damage) {
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}
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assert(w->shadow_image);
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ps->backend_data->ops->compose(
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ps->backend_data, w->shadow_image, w->g.x + w->shadow_dx,
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w->g.y + w->shadow_dy, ®_shadow, ®_visible);
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if (w->opacity == 1) {
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ps->backend_data->ops->compose(
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ps->backend_data, w->shadow_image, w->g.x + w->shadow_dx,
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w->g.y + w->shadow_dy, ®_shadow, ®_visible);
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} else {
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auto new_img = ps->backend_data->ops->copy(
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ps->backend_data, w->shadow_image, ®_visible);
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ps->backend_data->ops->image_op(
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ps->backend_data, IMAGE_OP_APPLY_ALPHA_ALL, new_img,
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NULL, ®_visible, (double[]){w->opacity});
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ps->backend_data->ops->compose(
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ps->backend_data, new_img, w->g.x + w->shadow_dx,
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w->g.y + w->shadow_dy, ®_shadow, ®_visible);
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ps->backend_data->ops->release_image(ps->backend_data, new_img);
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}
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pixman_region32_fini(®_shadow);
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}
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@ -244,8 +256,7 @@ void paint_all_new(session_t *ps, win *const t, bool ignore_damage) {
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if (ps->o.monitor_repaint) {
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reg_damage = get_damage(ps, false);
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ps->backend_data->ops->fill(
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ps->backend_data, 0.5, 0, 0, 0.5, ®_damage);
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ps->backend_data->ops->fill(ps->backend_data, 0.5, 0, 0, 0.5, ®_damage);
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pixman_region32_fini(®_damage);
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}
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@ -348,12 +348,10 @@ static bool image_op(backend_t *base, enum image_operations op, void *image,
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struct _xrender_data *xd = (void *)base;
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struct _xrender_image_data *img = image;
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region_t reg;
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double dim_opacity;
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double alpha_multiplier;
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double *dargs = arg;
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int *iargs = arg;
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if (op == IMAGE_OP_APPLY_ALPHA_ALL) {
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alpha_multiplier = *(double *)arg;
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img->opacity *= alpha_multiplier;
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img->opacity *= dargs[0];
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img->has_alpha = true;
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return true;
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}
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@ -388,10 +386,9 @@ static bool image_op(backend_t *base, enum image_operations op, void *image,
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break;
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case IMAGE_OP_DIM_ALL:
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x_set_picture_clip_region(base->c, img->pict, 0, 0, reg_visible);
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dim_opacity = *(double *)arg;
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xcb_render_color_t color = {
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.red = 0, .green = 0, .blue = 0, .alpha = 0xffff * dim_opacity};
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.red = 0, .green = 0, .blue = 0, .alpha = 0xffff * dargs[0]};
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// Dim the actually content of window
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xcb_rectangle_t rect = {
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@ -411,12 +408,11 @@ static bool image_op(backend_t *base, enum image_operations op, void *image,
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break;
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}
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alpha_multiplier = *(double *)arg;
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if (alpha_multiplier == 1) {
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if (dargs[0] == 1) {
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break;
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}
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auto alpha_pict = xd->alpha_pict[(int)(alpha_multiplier * 255)];
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auto alpha_pict = xd->alpha_pict[(int)(dargs[0] * 255)];
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x_set_picture_clip_region(base->c, img->pict, 0, 0, ®);
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xcb_render_composite(base->c, XCB_RENDER_PICT_OP_IN, img->pict, XCB_NONE,
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alpha_pict, 0, 0, 0, 0, 0, 0, img->width, img->height);
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@ -438,22 +434,21 @@ static void *copy(backend_t *base, const void *image, const region_t *reg) {
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auto new_img = ccalloc(1, struct _xrender_image_data);
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assert(img->visual != XCB_NONE);
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log_trace("xrender: copying %#010x visual %#x", img->pixmap, img->visual);
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*new_img = *img;
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x_set_picture_clip_region(base->c, img->pict, 0, 0, reg);
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new_img->has_alpha = img->has_alpha;
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new_img->width = img->width;
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new_img->height = img->height;
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new_img->visual = img->visual;
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new_img->pixmap =
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x_create_pixmap(base->c, img->depth, base->root, img->width, img->height);
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new_img->opacity = 1;
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new_img->owned = true;
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if (new_img->pixmap == XCB_NONE) {
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log_error("Failed to create pixmap for copy");
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free(new_img);
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return NULL;
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}
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new_img->pict = x_create_picture_with_visual_and_pixmap(base->c, img->visual,
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new_img->pixmap, 0, NULL);
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if (new_img->pixmap == XCB_NONE) {
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if (new_img->pict == XCB_NONE) {
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log_error("Failed to create picture for copy");
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xcb_free_pixmap(base->c, new_img->pixmap);
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free(new_img);
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return NULL;
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