compositor-drm: Support configuring the framebuffer format from weston.ini
This patch adds a new weston.ini key, gbm-format, to the [core] section.
This new key can be rgb565, xrgb8888 or xrgb2101010, and makes the
compositor use the corresponding GBM format for the framebuffer.
diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index 71cbcfa..4454599 100644
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -2581,9 +2581,11 @@
struct weston_config *config)
{
struct drm_compositor *ec;
+ struct weston_config_section *section;
struct udev_device *drm_device;
struct wl_event_loop *loop;
const char *path;
+ char *s;
uint32_t key;
weston_log("initializing drm backend\n");
@@ -2595,7 +2597,23 @@
/* KMS support for sprites is not complete yet, so disable the
* functionality for now. */
ec->sprites_are_broken = 1;
- ec->format = GBM_FORMAT_XRGB8888;
+
+ section = weston_config_get_section(config, "core", NULL, NULL);
+ weston_config_section_get_string(section,
+ "gbm-format", &s, "xrgb8888");
+ if (strcmp(s, "xrgb8888") == 0)
+ ec->format = GBM_FORMAT_XRGB8888;
+ else if (strcmp(s, "rgb565") == 0)
+ ec->format = GBM_FORMAT_RGB565;
+ else if (strcmp(s, "xrgb2101010") == 0)
+ ec->format = GBM_FORMAT_XRGB2101010;
+ else {
+ weston_log("fatal: unrecognized pixel format: %s\n", s);
+ free(s);
+ goto err_base;
+ }
+ free(s);
+
ec->use_pixman = param->use_pixman;
if (weston_compositor_init(&ec->base, display, argc, argv,