From e2ea1ebe48db25f7372bbab21bc66cde5934895b Mon Sep 17 00:00:00 2001 From: Guido Günther Date: Fri, 23 Feb 2018 11:30:55 +0100 Subject: rootston: Add alpha channel to views --- rootston/desktop.c | 4 ++++ rootston/output.c | 4 +++- 2 files changed, 7 insertions(+), 1 deletion(-) (limited to 'rootston') diff --git a/rootston/desktop.c b/rootston/desktop.c index 57e2d54b..9d5cd2fa 100644 --- a/rootston/desktop.c +++ b/rootston/desktop.c @@ -25,6 +25,10 @@ struct roots_view *view_create() { struct roots_view *view = calloc(1, sizeof(struct roots_view)); + if (!view) { + return NULL; + } + view->alpha = 1.0f; return view; } diff --git a/rootston/output.c b/rootston/output.c index 3fc8ea84..8d968a98 100644 --- a/rootston/output.c +++ b/rootston/output.c @@ -202,6 +202,7 @@ struct render_data { struct roots_output *output; struct timespec *when; pixman_region32_t *damage; + float alpha; }; /** @@ -296,7 +297,7 @@ static void render_surface(struct wlr_surface *surface, double lx, double ly, pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects); for (int i = 0; i < nrects; ++i) { scissor_output(output, &rects[i]); - wlr_render_with_matrix(renderer, surface->texture, &matrix, 1.0f); + wlr_render_with_matrix(renderer, surface->texture, &matrix, data->alpha); } damage_finish: @@ -376,6 +377,7 @@ static void render_view(struct roots_view *view, struct render_data *data) { return; } + data->alpha = view->alpha; render_decorations(view, data); view_for_each_surface(view, render_surface, data); } -- cgit v1.2.3