1 files changed, 65 insertions, 0 deletions
diff --git a/src/gralloc/gralloc_mod.h b/src/gralloc/gralloc_mod.h
new file mode 100644
index 0000000000..e06ec864ad
--- /dev/null
+++ b/src/gralloc/gralloc_mod.h
@@ -0,0 +1,65 @@
+#ifndef _GRALLOC_DRM_H
+#define _GRALLOC_DRM_H
+
+#include <hardware/gralloc.h>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+#include <pthread.h>
+
+struct drm_module_t {
+   gralloc_module_t base;
+
+   pthread_mutex_t mutex;
+
+   /* initialized by drm_gem_init */
+   int fd;
+
+   /* initialized by drm_kms_init */
+   drmModeResPtr resources;
+   uint32_t crtc_id;
+   uint32_t connector_id;
+   drmModeModeInfo mode;
+   int xdpi, ydpi;
+   int format;
+#ifdef DRM_MODE_FEATURE_DIRTYFB
+   drmModeClip clip;
+#endif
+
+   /* initialized by drm_gem_drv_init */
+   void *gem;
+   int mode_dirty_fb;
+   int mode_page_flip;
+   int swap_interval;
+   int vblank_secondary;
+
+   int first_post;
+};
+
+static inline int
+drm_mod_get_bpp(int format)
+{
+   int bpp;
+
+   switch (format) {
+   case HAL_PIXEL_FORMAT_RGBA_8888:
+   case HAL_PIXEL_FORMAT_RGBX_8888:
+   case HAL_PIXEL_FORMAT_BGRA_8888:
+      bpp = 4;
+      break;
+   case HAL_PIXEL_FORMAT_RGB_888:
+      bpp = 3;
+      break;
+   case HAL_PIXEL_FORMAT_RGB_565:
+   case HAL_PIXEL_FORMAT_RGBA_5551:
+   case HAL_PIXEL_FORMAT_RGBA_4444:
+      bpp = 2;
+      break;
+   default:
+      bpp = 0;
+      break;
+   }
+
+   return bpp;
+}
+
+#endif /* _GRALLOC_DRM_H */