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@ -52,6 +52,10 @@ |
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#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0]) |
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struct wl_visual { |
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struct wl_object base; |
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}; |
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struct egl_input_device { |
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struct wl_object base; |
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int32_t x, y; |
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@ -66,6 +70,8 @@ struct egl_input_device { |
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struct egl_compositor { |
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struct wl_compositor base; |
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struct wl_visual argb_visual, premultiplied_argb_visual, rgb_visual; |
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EGLDisplay display; |
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EGLSurface surface; |
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EGLContext context; |
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@ -91,6 +97,7 @@ struct egl_compositor { |
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struct egl_surface { |
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struct wl_surface base; |
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struct egl_compositor *compositor; |
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struct wl_visual *visual; |
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GLuint texture; |
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struct wl_map map; |
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EGLSurface surface; |
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@ -155,7 +162,8 @@ screenshooter_create(struct egl_compositor *ec) |
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}; |
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static struct egl_surface * |
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egl_surface_create_from_cairo_surface(cairo_surface_t *surface, |
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egl_surface_create_from_cairo_surface(struct egl_compositor *ec, |
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cairo_surface_t *surface, |
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int x, int y, int width, int height) |
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{ |
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struct egl_surface *es; |
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@ -178,11 +186,13 @@ egl_surface_create_from_cairo_surface(cairo_surface_t *surface, |
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, |
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GL_BGRA, GL_UNSIGNED_BYTE, data); |
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es->compositor = ec; |
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es->map.x = x; |
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es->map.y = y; |
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es->map.width = width; |
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es->map.height = height; |
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es->surface = EGL_NO_SURFACE; |
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es->visual = &ec->premultiplied_argb_visual; |
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return es; |
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} |
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@ -213,7 +223,7 @@ pointer_path(cairo_t *cr, int x, int y) |
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} |
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static struct egl_surface * |
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pointer_create(int x, int y, int width, int height) |
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pointer_create(struct egl_compositor *ec, int x, int y, int width, int height) |
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{ |
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struct egl_surface *es; |
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const int hotspot_x = 16, hotspot_y = 16; |
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@ -237,7 +247,8 @@ pointer_create(int x, int y, int width, int height) |
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cairo_fill(cr); |
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cairo_destroy(cr); |
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es = egl_surface_create_from_cairo_surface(surface, |
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es = egl_surface_create_from_cairo_surface(ec, |
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surface, |
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x - hotspot_x, |
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y - hotspot_y, |
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width, height); |
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@ -248,7 +259,8 @@ pointer_create(int x, int y, int width, int height) |
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} |
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static struct egl_surface * |
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background_create(const char *filename, int width, int height) |
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background_create(struct egl_compositor *ec, |
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const char *filename, int width, int height) |
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{ |
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struct egl_surface *background; |
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GdkPixbuf *pixbuf; |
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@ -281,11 +293,13 @@ background_create(const char *filename, int width, int height) |
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, pixbuf_width, pixbuf_height, 0, |
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GL_BGR, GL_UNSIGNED_BYTE, data); |
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background->compositor = ec; |
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background->map.x = 0; |
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background->map.y = 0; |
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background->map.width = width; |
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background->map.height = height; |
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background->surface = EGL_NO_SURFACE; |
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background->visual = &ec->rgb_visual; |
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return background; |
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} |
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@ -351,7 +365,7 @@ draw_button(cairo_t *cr, int x, int y, int width, int height, const char *text) |
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} |
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static struct egl_surface * |
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overlay_create(int x, int y, int width, int height) |
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overlay_create(struct egl_compositor *ec, int x, int y, int width, int height) |
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{ |
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struct egl_surface *es; |
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cairo_surface_t *surface; |
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@ -378,7 +392,8 @@ overlay_create(int x, int y, int width, int height) |
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cairo_destroy(cr); |
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es = egl_surface_create_from_cairo_surface(surface, x, y, width, height); |
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es = egl_surface_create_from_cairo_surface(ec, surface, |
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x, y, width, height); |
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cairo_surface_destroy(surface); |
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@ -388,6 +403,7 @@ overlay_create(int x, int y, int width, int height) |
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static void |
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draw_surface(struct egl_surface *es) |
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{ |
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struct egl_compositor *ec = es->compositor; |
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GLint vertices[12]; |
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GLint tex_coords[12] = { 0, 0, 0, 1, 1, 0, 1, 1 }; |
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GLuint indices[4] = { 0, 1, 2, 3 }; |
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@ -408,13 +424,18 @@ draw_surface(struct egl_surface *es) |
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vertices[10] = es->map.y + es->map.height; |
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vertices[11] = 0; |
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glBindTexture(GL_TEXTURE_2D, es->texture); |
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glEnable(GL_TEXTURE_2D); |
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if (es->visual == &ec->argb_visual) { |
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
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glEnable(GL_BLEND); |
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/* Assume pre-multiplied alpha for now, this probably
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* needs to be a wayland visual type of thing. */ |
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} else if (es->visual == &ec->premultiplied_argb_visual) { |
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glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); |
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glEnable(GL_BLEND); |
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} else { |
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glDisable(GL_BLEND); |
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} |
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glBindTexture(GL_TEXTURE_2D, es->texture); |
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glEnable(GL_TEXTURE_2D); |
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glEnableClientState(GL_VERTEX_ARRAY); |
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glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
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glVertexPointer(3, GL_INT, 0, vertices); |
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@ -549,7 +570,8 @@ surface_destroy(struct wl_client *client, |
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static void |
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surface_attach(struct wl_client *client, |
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struct wl_surface *surface, uint32_t name,
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uint32_t width, uint32_t height, uint32_t stride) |
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uint32_t width, uint32_t height, uint32_t stride, |
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struct wl_object *visual) |
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{ |
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struct egl_surface *es = (struct egl_surface *) surface; |
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struct egl_compositor *ec = es->compositor; |
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@ -561,6 +583,12 @@ surface_attach(struct wl_client *client, |
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es->height = height; |
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es->surface = eglCreateSurfaceForName(ec->display, ec->config, |
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name, width, height, stride, NULL); |
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if (visual == &ec->argb_visual.base) |
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es->visual = &ec->argb_visual; |
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else if (visual == &ec->premultiplied_argb_visual.base) |
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es->visual = &ec->premultiplied_argb_visual; |
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else |
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/* FIXME: Smack client with an exception event */; |
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glBindTexture(GL_TEXTURE_2D, es->texture); |
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
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@ -783,7 +811,8 @@ create_input_device(struct egl_compositor *ec, const char *glob) |
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wl_display_add_object(ec->wl_display, &device->base); |
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device->x = 100; |
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device->y = 100; |
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device->pointer_surface = pointer_create(device->x, device->y, 64, 64); |
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device->pointer_surface = pointer_create(ec, |
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device->x, device->y, 64, 64); |
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device->ec = ec; |
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dir = opendir(by_path_dir); |
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@ -947,6 +976,31 @@ pick_config(struct egl_compositor *ec) |
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return 0; |
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} |
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static const struct wl_interface visual_interface = { |
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"visual", 1, |
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}; |
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static void |
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add_visuals(struct egl_compositor *ec) |
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{ |
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ec->argb_visual.base.interface = &visual_interface; |
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ec->argb_visual.base.implementation = NULL; |
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wl_display_add_object(ec->wl_display, &ec->argb_visual.base); |
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wl_display_add_global(ec->wl_display, &ec->argb_visual.base); |
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ec->premultiplied_argb_visual.base.interface = &visual_interface; |
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ec->premultiplied_argb_visual.base.implementation = NULL; |
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wl_display_add_object(ec->wl_display, |
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&ec->premultiplied_argb_visual.base); |
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wl_display_add_global(ec->wl_display, |
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&ec->premultiplied_argb_visual.base); |
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ec->rgb_visual.base.interface = &visual_interface; |
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ec->rgb_visual.base.implementation = NULL; |
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wl_display_add_object(ec->wl_display, &ec->rgb_visual.base); |
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wl_display_add_global(ec->wl_display, &ec->rgb_visual.base); |
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} |
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static const char gem_device[] = "/dev/dri/card0"; |
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static const char *macbook_air_default_input_device[] = { |
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@ -1025,15 +1079,16 @@ egl_compositor_create(struct wl_display *display) |
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glClearColor(0, 0, 0.2, 1); |
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wl_display_set_compositor(display, &ec->base, &compositor_interface);
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add_visuals(ec); |
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wl_list_init(&ec->input_device_list); |
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for (i = 0; option_input_devices[i]; i++) |
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create_input_device(ec, option_input_devices[i]); |
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wl_list_init(&ec->surface_list); |
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ec->background = background_create(option_background, |
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ec->background = background_create(ec, option_background, |
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ec->width, ec->height); |
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ec->overlay = overlay_create(0, ec->height, ec->width, 200); |
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ec->overlay = overlay_create(ec, 0, ec->height, ec->width, 200); |
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ec->overlay_y = ec->height; |
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ec->overlay_target = ec->height; |
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ec->overlay_previous = ec->height; |
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