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egl-wayland: Add support for RGB565 pixel format for Wayland clients 

With this patch Wayland clients can now ask EGL for RGB 565 format buffers
and attach them to a Wayland compositor.

Signed-off-by: Kristian Høgsberg <krh@bitplanet.net>
This commit is contained in:
Singh, Satyeshwar 2013-10-16 01:10:12 +00:00 committed by Kristian Høgsberg
parent 94d05bf87a
commit 2efc97d513
2 changed files with 14 additions and 2 deletions
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13
src/egl/drivers/dri2/platform_wayland.c
View File

@ -42,7 +42,8 @@
enum wl_drm_format_flags {
HAS_ARGB8888 = 1,
HAS_XRGB8888 = 2
HAS_XRGB8888 = 2,
HAS_RGB565 = 4,
};
static void
@ -132,7 +133,9 @@ dri2_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
goto cleanup_surf;
if (conf->AlphaSize == 0)
if (conf->RedSize == 5)
dri2_surf->format = WL_DRM_FORMAT_RGB565;
else if (conf->AlphaSize == 0)
dri2_surf->format = WL_DRM_FORMAT_XRGB8888;
else
dri2_surf->format = WL_DRM_FORMAT_ARGB8888;
@ -674,6 +677,9 @@ drm_handle_format(void *data, struct wl_drm *drm, uint32_t format)
case WL_DRM_FORMAT_XRGB8888:
dri2_dpy->formats |= HAS_XRGB8888;
break;
case WL_DRM_FORMAT_RGB565:
dri2_dpy->formats |= HAS_RGB565;
break;
}
}
@ -736,6 +742,7 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
static const unsigned int argb_masks[4] =
{ 0xff0000, 0xff00, 0xff, 0xff000000 };
static const unsigned int rgb_masks[4] = { 0xff0000, 0xff00, 0xff, 0 };
static const unsigned int rgb565_masks[4] = { 0xf800, 0x07e0, 0x001f, 0 };
drv->API.CreateWindowSurface = dri2_create_window_surface;
drv->API.DestroySurface = dri2_destroy_surface;
@ -817,6 +824,8 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
dri2_add_config(disp, config, i + 1, 0, types, NULL, rgb_masks);
if (dri2_dpy->formats & HAS_ARGB8888)
dri2_add_config(disp, config, i + 1, 0, types, NULL, argb_masks);
if (dri2_dpy->formats & HAS_RGB565)
dri2_add_config(disp, config, i + 1, 0, types, NULL, rgb565_masks);
}
disp->Extensions.WL_bind_wayland_display = EGL_TRUE;

3
src/egl/wayland/wayland-drm/wayland-drm.c
View File

@ -126,6 +126,7 @@ drm_create_buffer(struct wl_client *client, struct wl_resource *resource,
case WL_DRM_FORMAT_ARGB8888:
case WL_DRM_FORMAT_XRGB8888:
case WL_DRM_FORMAT_YUYV:
case WL_DRM_FORMAT_RGB565:
break;
default:
wl_resource_post_error(resource,
@ -223,6 +224,8 @@ bind_drm(struct wl_client *client, void *data, uint32_t version, uint32_t id)
WL_DRM_FORMAT_ARGB8888);
wl_resource_post_event(resource, WL_DRM_FORMAT,
WL_DRM_FORMAT_XRGB8888);
wl_resource_post_event(resource, WL_DRM_FORMAT,
WL_DRM_FORMAT_RGB565);
wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV410);
wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV411);
wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV420);