minigbm: add bytes per pixel function

[android-x86/external-minigbm.git] / vgem.c

diff --git a/vgem.c b/vgem.c
index 56f91b8..4139989 100644 (file)
--- a/vgem.c
+++ b/vgem.c
@@ -6,6 +6,30 @@
 
 #include "drv_priv.h"
 #include "helpers.h"
+#include "util.h"
+
+#define MESA_LLVMPIPE_TILE_ORDER 6
+#define MESA_LLVMPIPE_TILE_SIZE (1 << MESA_LLVMPIPE_TILE_ORDER)
+
+static const uint32_t supported_formats[] = {
+       DRM_FORMAT_ARGB8888, DRM_FORMAT_RGB565, DRM_FORMAT_XRGB8888,
+       DRM_FORMAT_YVU420_ANDROID
+};
+
+static int vgem_init(struct driver *drv)
+{
+       return drv_add_linear_combinations(drv, supported_formats,
+                                          ARRAY_SIZE(supported_formats));
+}
+
+static int vgem_bo_create(struct bo *bo, uint32_t width, uint32_t height,
+                         uint32_t format, uint32_t flags)
+{
+       int ret = drv_dumb_bo_create(bo, ALIGN(width, MESA_LLVMPIPE_TILE_SIZE),
+                                    ALIGN(height, MESA_LLVMPIPE_TILE_SIZE),
+                                    format, flags);
+       return ret;
+}
 
 static uint32_t vgem_resolve_format(uint32_t format)
 {
@@ -14,24 +38,20 @@ static uint32_t vgem_resolve_format(uint32_t format)
                /*HACK: See b/28671744 */
                return DRM_FORMAT_XBGR8888;
        case DRM_FORMAT_FLEX_YCbCr_420_888:
-               return DRM_FORMAT_YVU420;
+               return DRM_FORMAT_YVU420_ANDROID;
        default:
                return format;
        }
 }
 
-const struct backend backend_vgem =
+struct backend backend_vgem =
 {
        .name = "vgem",
-       .bo_create = drv_dumb_bo_create,
+       .init = vgem_init,
+       .bo_create = vgem_bo_create,
        .bo_destroy = drv_dumb_bo_destroy,
+       .bo_import = drv_prime_bo_import,
        .bo_map = drv_dumb_bo_map,
        .resolve_format = vgem_resolve_format,
-       .format_list = {
-               {DRM_FORMAT_ABGR8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_RENDERING | DRV_BO_USE_CURSOR
-                                     | DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},
-               {DRM_FORMAT_YVU420,   DRV_BO_USE_SCANOUT | DRV_BO_USE_RENDERING |
-                                     DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
-       }
 };