gralloc0_register_buffer: initialize gralloc0 when needed

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

diff --git a/virtio_gpu.c b/virtio_gpu.c
index ed50bc0..6548e59 100644 (file)
--- a/virtio_gpu.c
+++ b/virtio_gpu.c
@@ -6,18 +6,67 @@
 
 #include "drv_priv.h"
 #include "helpers.h"
+#include "util.h"
 
-const struct backend backend_virtio_gpu =
+#define MESA_LLVMPIPE_TILE_ORDER 6
+#define MESA_LLVMPIPE_TILE_SIZE (1 << MESA_LLVMPIPE_TILE_ORDER)
+
+static const uint32_t render_target_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888,
+                                                 DRM_FORMAT_RGB565, DRM_FORMAT_XBGR8888,
+                                                 DRM_FORMAT_XRGB8888 };
+
+static const uint32_t texture_source_formats[] = { DRM_FORMAT_R8, DRM_FORMAT_YVU420,
+                                                  DRM_FORMAT_YVU420_ANDROID };
+
+static int virtio_gpu_init(struct driver *drv)
+{
+       int ret;
+       ret = drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats),
+                                  &LINEAR_METADATA, BO_USE_RENDER_MASK);
+       if (ret)
+               return ret;
+
+       ret = drv_add_combinations(drv, texture_source_formats, ARRAY_SIZE(texture_source_formats),
+                                  &LINEAR_METADATA, BO_USE_TEXTURE_MASK);
+       if (ret)
+               return ret;
+
+       return drv_modify_linear_combinations(drv);
+}
+
+static int virtio_gpu_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
+                               uint64_t use_flags)
 {
+       width = ALIGN(width, MESA_LLVMPIPE_TILE_SIZE);
+       height = ALIGN(height, MESA_LLVMPIPE_TILE_SIZE);
+
+       /* HAL_PIXEL_FORMAT_YV12 requires that the buffer's height not be aligned. */
+       if (bo->format == DRM_FORMAT_YVU420_ANDROID)
+               height = bo->height;
+
+       return drv_dumb_bo_create(bo, width, height, format, use_flags);
+}
+
+static uint32_t virtio_gpu_resolve_format(uint32_t format, uint64_t use_flags)
+{
+       switch (format) {
+       case DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
+               /*HACK: See b/28671744 */
+               return DRM_FORMAT_XBGR8888;
+       case DRM_FORMAT_FLEX_YCbCr_420_888:
+               return DRM_FORMAT_YVU420;
+       default:
+               return format;
+       }
+}
+
+struct backend backend_virtio_gpu = {
        .name = "virtio_gpu",
-       .bo_create = drv_dumb_bo_create,
+       .init = virtio_gpu_init,
+       .bo_create = virtio_gpu_bo_create,
        .bo_destroy = drv_dumb_bo_destroy,
+       .bo_import = drv_prime_bo_import,
        .bo_map = drv_dumb_bo_map,
-       .format_list = {
-               {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING},
-               {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR},
-               {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING},
-               {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR},
-       }
+       .bo_unmap = drv_bo_munmap,
+       .resolve_format = virtio_gpu_resolve_format,
 };
-