diff --git a/virtio_gpu.c b/virtio_gpu.c index 238c117..c4c3b19 100644 --- a/virtio_gpu.c +++ b/virtio_gpu.c @@ -8,18 +8,46 @@ #include "helpers.h" #include "util.h" -static const uint32_t supported_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_XRGB8888 }; +#define MESA_LLVMPIPE_TILE_ORDER 6 +#define MESA_LLVMPIPE_TILE_SIZE (1 << MESA_LLVMPIPE_TILE_ORDER) + +static const uint32_t supported_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_RGB565, DRM_FORMAT_XBGR8888, + DRM_FORMAT_XRGB8888, DRM_FORMAT_YVU420, + DRM_FORMAT_YVU420_ANDROID }; static int virtio_gpu_init(struct driver *drv) { return drv_add_linear_combinations(drv, supported_formats, ARRAY_SIZE(supported_formats)); } +static int virtio_gpu_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 virtio_gpu_resolve_format(uint32_t format) +{ + 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_ANDROID; + default: + return format; + } +} + struct backend backend_virtio_gpu = { .name = "virtio_gpu", .init = virtio_gpu_init, - .bo_create = drv_dumb_bo_create, + .bo_create = virtio_gpu_bo_create, .bo_destroy = drv_dumb_bo_destroy, .bo_import = drv_prime_bo_import, .bo_map = drv_dumb_bo_map, + .resolve_format = virtio_gpu_resolve_format, };