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Merge pull request #659 from agx/alpha

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Make wlr_render_with_matrix use alpha
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Drew DeVault 2018-02-25 13:16:35 -05:00 • committed by GitHub
commit 3296365ce5
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GPG key ID: 4AEE18F83AFDEB23
19 changed files with 55 additions and 22 deletions
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4
include/rootston/view.h
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@ -83,6 +83,7 @@ struct roots_view {
double x, y;
uint32_t width, height;
float rotation;
float alpha;
bool decorated;
int border_width;
@ -94,6 +95,7 @@ struct roots_view {
double x, y;
uint32_t width, height;
float rotation;
float alpha;
} saved;
struct {
@ -180,6 +182,7 @@ struct roots_xdg_popup {
struct wl_listener new_popup;
};
struct roots_view *view_create();
void view_get_box(const struct roots_view *view, struct wlr_box *box);
void view_activate(struct roots_view *view, bool active);
void view_move(struct roots_view *view, double x, double y);
@ -190,6 +193,7 @@ void view_maximize(struct roots_view *view, bool maximized);
void view_set_fullscreen(struct roots_view *view, bool fullscreen,
struct wlr_output *output);
void view_rotate(struct roots_view *view, float rotation);
void view_cycle_alpha(struct roots_view *view);
void view_close(struct roots_view *view);
bool view_center(struct roots_view *view);
void view_setup(struct roots_view *view);

7
include/wlr/render.h
View file

@ -33,12 +33,13 @@ struct wlr_texture *wlr_render_texture_create(struct wlr_renderer *r);
* float projection[16];
* float matrix[16];
* wlr_texture_get_matrix(texture, &matrix, &projection, 123, 321);
* wlr_render_with_matrix(renderer, texture, &matrix);
* wlr_render_with_matrix(renderer, texture, &matrix, 0.5f);
*
* This will render the texture at <123, 321>.
* This will render the texture at <123, 321> with an alpha channel of 0.5.
*/
bool wlr_render_with_matrix(struct wlr_renderer *r,
struct wlr_texture *texture, const float (*matrix)[16]);
struct wlr_texture *texture, const float (*matrix)[16], float alpha);
/**
* Renders a solid quad in the specified color.
*/

2
include/wlr/render/interface.h
View file

@ -22,7 +22,7 @@ struct wlr_renderer_impl {
void (*scissor)(struct wlr_renderer *renderer, struct wlr_box *box);
struct wlr_texture *(*texture_create)(struct wlr_renderer *renderer);
bool (*render_with_matrix)(struct wlr_renderer *renderer,
struct wlr_texture *texture, const float (*matrix)[16]);
struct wlr_texture *texture, const float (*matrix)[16], float alpha);
void (*render_quad)(struct wlr_renderer *renderer,
const float (*color)[4], const float (*matrix)[16]);
void (*render_ellipse)(struct wlr_renderer *renderer,