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-rw-r--r--backend/drm/drm.c2
-rw-r--r--backend/drm/renderer.c2
-rw-r--r--examples/output-layout.c2
-rw-r--r--examples/rotation.c2
-rw-r--r--examples/touch.c2
-rw-r--r--include/rootston/view.h4
-rw-r--r--include/wlr/render.h7
-rw-r--r--include/wlr/render/interface.h2
-rw-r--r--render/gles2/renderer.c6
-rw-r--r--render/wlr_renderer.c4
-rw-r--r--rootston/desktop.c19
-rw-r--r--rootston/keyboard.c5
-rw-r--r--rootston/output.c6
-rw-r--r--rootston/rootston.ini.example2
-rw-r--r--rootston/wl_shell.c2
-rw-r--r--rootston/xdg_shell.c2
-rw-r--r--rootston/xdg_shell_v6.c2
-rw-r--r--rootston/xwayland.c2
-rw-r--r--types/wlr_output.c4
19 files changed, 55 insertions, 22 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index e60b7e1c..b2863414 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -647,7 +647,7 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
float matrix[16];
wlr_texture_get_matrix(plane->wlr_tex, &matrix, &plane->matrix, 0, 0);
wlr_render_with_matrix(plane->surf.renderer->wlr_rend, plane->wlr_tex,
- &matrix);
+ &matrix, 1.0f);
glFinish();
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, bo_stride);
diff --git a/backend/drm/renderer.c b/backend/drm/renderer.c
index f3e570f7..7ee13843 100644
--- a/backend/drm/renderer.c
+++ b/backend/drm/renderer.c
@@ -239,7 +239,7 @@ struct gbm_bo *wlr_drm_surface_mgpu_copy(struct wlr_drm_surface *dest,
glViewport(0, 0, dest->width, dest->height);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
- wlr_render_with_matrix(dest->renderer->wlr_rend, tex, &matrix);
+ wlr_render_with_matrix(dest->renderer->wlr_rend, tex, &matrix, 1.0f);
return wlr_drm_surface_swap_buffers(dest, NULL);
}
diff --git a/examples/output-layout.c b/examples/output-layout.c
index 91ab80f4..45257be9 100644
--- a/examples/output-layout.c
+++ b/examples/output-layout.c
@@ -122,7 +122,7 @@ static void handle_output_frame(struct output_state *output,
wlr_texture_get_matrix(sample->cat_texture, &matrix,
&wlr_output->transform_matrix, local_x, local_y);
wlr_render_with_matrix(sample->renderer,
- sample->cat_texture, &matrix);
+ sample->cat_texture, &matrix, 1.0f);
}
wlr_renderer_end(sample->renderer);
diff --git a/examples/rotation.c b/examples/rotation.c
index e390daaf..1158ccc4 100644
--- a/examples/rotation.c
+++ b/examples/rotation.c
@@ -52,7 +52,7 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
wlr_texture_get_matrix(sample->cat_texture, &matrix,
&wlr_output->transform_matrix, x, y);
wlr_render_with_matrix(sample->renderer,
- sample->cat_texture, &matrix);
+ sample->cat_texture, &matrix, 1.0f);
}
}
diff --git a/examples/touch.c b/examples/touch.c
index 3cf00e9c..278252cc 100644
--- a/examples/touch.c
+++ b/examples/touch.c
@@ -53,7 +53,7 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
(int)(p->x * width) - sample->cat_texture->width / 2,
(int)(p->y * height) - sample->cat_texture->height / 2);
wlr_render_with_matrix(sample->renderer,
- sample->cat_texture, &matrix);
+ sample->cat_texture, &matrix, 1.0f);
}
wlr_renderer_end(sample->renderer);
diff --git a/include/rootston/view.h b/include/rootston/view.h
index 198086c1..7464edc5 100644
--- a/include/rootston/view.h
+++ b/include/rootston/view.h
@@ -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);
diff --git a/include/wlr/render.h b/include/wlr/render.h
index 3743482b..747603da 100644
--- a/include/wlr/render.h
+++ b/include/wlr/render.h
@@ -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.
*/
diff --git a/include/wlr/render/interface.h b/include/wlr/render/interface.h
index b989e399..eda5af1c 100644
--- a/include/wlr/render/interface.h
+++ b/include/wlr/render/interface.h
@@ -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,
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c
index 81a932e6..ad739cf8 100644
--- a/render/gles2/renderer.c
+++ b/render/gles2/renderer.c
@@ -171,7 +171,7 @@ static void draw_quad() {
}
static bool wlr_gles2_render_texture(struct wlr_renderer *wlr_renderer,
- struct wlr_texture *texture, const float (*matrix)[16]) {
+ struct wlr_texture *texture, const float (*matrix)[16], float alpha) {
if (!texture || !texture->valid) {
wlr_log(L_ERROR, "attempt to render invalid texture");
return false;
@@ -179,12 +179,12 @@ static bool wlr_gles2_render_texture(struct wlr_renderer *wlr_renderer,
wlr_texture_bind(texture);
GL_CALL(glUniformMatrix4fv(0, 1, GL_FALSE, *matrix));
- // TODO: source alpha from somewhere else I guess
- GL_CALL(glUniform1f(2, 1.0f));
+ GL_CALL(glUniform1f(2, alpha));
draw_quad();
return true;
}
+
static void wlr_gles2_render_quad(struct wlr_renderer *wlr_renderer,
const float (*color)[4], const float (*matrix)[16]) {
GL_CALL(glUseProgram(shaders.quad));
diff --git a/render/wlr_renderer.c b/render/wlr_renderer.c
index fa6c6fc3..ce8fbe36 100644
--- a/render/wlr_renderer.c
+++ b/render/wlr_renderer.c
@@ -36,8 +36,8 @@ struct wlr_texture *wlr_render_texture_create(struct wlr_renderer *r) {
}
bool wlr_render_with_matrix(struct wlr_renderer *r,
- struct wlr_texture *texture, const float (*matrix)[16]) {
- return r->impl->render_with_matrix(r, texture, matrix);
+ struct wlr_texture *texture, const float (*matrix)[16], float alpha) {
+ return r->impl->render_with_matrix(r, texture, matrix, alpha);
}
void wlr_render_colored_quad(struct wlr_renderer *r,
diff --git a/rootston/desktop.c b/rootston/desktop.c
index 8ac741bb..b42a71a2 100644
--- a/rootston/desktop.c
+++ b/rootston/desktop.c
@@ -23,6 +23,16 @@
#include "rootston/view.h"
#include "rootston/xcursor.h"
+
+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;
+}
+
void view_get_box(const struct roots_view *view, struct wlr_box *box) {
box->x = view->x;
box->y = view->y;
@@ -269,6 +279,15 @@ void view_rotate(struct roots_view *view, float rotation) {
view_damage_whole(view);
}
+void view_cycle_alpha(struct roots_view *view) {
+ view->alpha -= 0.05;
+ /* Don't go completely transparent */
+ if (view->alpha < 0.1) {
+ view->alpha = 1.0;
+ }
+ view_damage_whole(view);
+}
+
void view_close(struct roots_view *view) {
if (view->close) {
view->close(view);
diff --git a/rootston/keyboard.c b/rootston/keyboard.c
index 6ec90c31..b5dac51c 100644
--- a/rootston/keyboard.c
+++ b/rootston/keyboard.c
@@ -106,6 +106,11 @@ static void keyboard_binding_execute(struct roots_keyboard *keyboard,
}
} else if (strcmp(command, "next_window") == 0) {
roots_seat_cycle_focus(seat);
+ } else if (strcmp(command, "alpha") == 0) {
+ struct roots_view *focus = roots_seat_get_focus(seat);
+ if (focus != NULL) {
+ view_cycle_alpha(focus);
+ }
} else if (strncmp(exec_prefix, command, strlen(exec_prefix)) == 0) {
const char *shell_cmd = command + strlen(exec_prefix);
pid_t pid = fork();
diff --git a/rootston/output.c b/rootston/output.c
index a354ebf8..3e954989 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);
+ wlr_render_with_matrix(renderer, surface->texture, &matrix, data->alpha);
}
damage_finish:
@@ -355,7 +356,7 @@ static void render_decorations(struct roots_view *view,
float matrix[16];
wlr_matrix_project_box(&matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL,
view->rotation, &output->wlr_output->transform_matrix);
- float color[] = { 0.2, 0.2, 0.2, 1 };
+ float color[] = { 0.2, 0.2, 0.2, view->alpha };
int nrects;
pixman_box32_t *rects =
@@ -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);
}
diff --git a/rootston/rootston.ini.example b/rootston/rootston.ini.example
index a6619767..6f29a35d 100644
--- a/rootston/rootston.ini.example
+++ b/rootston/rootston.ini.example
@@ -42,8 +42,10 @@ meta-key = Logo
# - "exec" to execute a shell command
# - "close" to close the current view
# - "next_window" to cycle through windows
+# - "alpha" to cycle a window's alpha channel
[bindings]
Logo+Shift+e = exit
Logo+q = close
Logo+m = maximize
Alt+Tab = next_window
+Ctrl+Shift+a = alpha
diff --git a/rootston/wl_shell.c b/rootston/wl_shell.c
index 44a65cf5..899df1c6 100644
--- a/rootston/wl_shell.c
+++ b/rootston/wl_shell.c
@@ -227,7 +227,7 @@ void handle_wl_shell_surface(struct wl_listener *listener, void *data) {
roots_surface->surface_commit.notify = handle_surface_commit;
wl_signal_add(&surface->surface->events.commit, &roots_surface->surface_commit);
- struct roots_view *view = calloc(1, sizeof(struct roots_view));
+ struct roots_view *view = view_create();
if (!view) {
free(roots_surface);
return;
diff --git a/rootston/xdg_shell.c b/rootston/xdg_shell.c
index 8340de46..9368ce0b 100644
--- a/rootston/xdg_shell.c
+++ b/rootston/xdg_shell.c
@@ -333,7 +333,7 @@ void handle_xdg_shell_surface(struct wl_listener *listener, void *data) {
roots_surface->new_popup.notify = handle_new_popup;
wl_signal_add(&surface->events.new_popup, &roots_surface->new_popup);
- struct roots_view *view = calloc(1, sizeof(struct roots_view));
+ struct roots_view *view = view_create();
if (!view) {
free(roots_surface);
return;
diff --git a/rootston/xdg_shell_v6.c b/rootston/xdg_shell_v6.c
index 8e6674ab..eda349cb 100644
--- a/rootston/xdg_shell_v6.c
+++ b/rootston/xdg_shell_v6.c
@@ -333,7 +333,7 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
roots_surface->new_popup.notify = handle_new_popup;
wl_signal_add(&surface->events.new_popup, &roots_surface->new_popup);
- struct roots_view *view = calloc(1, sizeof(struct roots_view));
+ struct roots_view *view = view_create();
if (!view) {
free(roots_surface);
return;
diff --git a/rootston/xwayland.c b/rootston/xwayland.c
index e9e0d5e0..f917fe5d 100644
--- a/rootston/xwayland.c
+++ b/rootston/xwayland.c
@@ -317,7 +317,7 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
wl_signal_add(&surface->surface->events.commit,
&roots_surface->surface_commit);
- struct roots_view *view = calloc(1, sizeof(struct roots_view));
+ struct roots_view *view = view_create();
if (view == NULL) {
free(roots_surface);
return;
diff --git a/types/wlr_output.c b/types/wlr_output.c
index 809b1959..5a2886c7 100644
--- a/types/wlr_output.c
+++ b/types/wlr_output.c
@@ -391,7 +391,7 @@ static void output_fullscreen_surface_render(struct wlr_output *output,
for (int i = 0; i < nrects; ++i) {
output_scissor(output, &rects[i]);
wlr_renderer_clear(renderer, &(float[]){0, 0, 0, 0});
- wlr_render_with_matrix(surface->renderer, surface->texture, &matrix);
+ wlr_render_with_matrix(surface->renderer, surface->texture, &matrix, 1.0f);
}
wlr_renderer_scissor(renderer, NULL);
@@ -448,7 +448,7 @@ static void output_cursor_render(struct wlr_output_cursor *cursor,
pixman_box32_t *rects = pixman_region32_rectangles(&surface_damage, &nrects);
for (int i = 0; i < nrects; ++i) {
output_scissor(cursor->output, &rects[i]);
- wlr_render_with_matrix(renderer, texture, &matrix);
+ wlr_render_with_matrix(renderer, texture, &matrix, 1.0f);
}
wlr_renderer_scissor(renderer, NULL);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 09:52:15 +0000