2 * Copyright 2016 The Chromium OS Authors. All rights reserved.
3 * Use of this source code is governed by a BSD-style license that can be
4 * found in the LICENSE file.
11 #define MESA_LLVMPIPE_TILE_ORDER 6
12 #define MESA_LLVMPIPE_TILE_SIZE (1 << MESA_LLVMPIPE_TILE_ORDER)
14 static const uint32_t supported_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888,
15 DRM_FORMAT_RGB565, DRM_FORMAT_XBGR8888,
16 DRM_FORMAT_XRGB8888, DRM_FORMAT_YVU420,
17 DRM_FORMAT_YVU420_ANDROID };
19 static int virtio_gpu_init(struct driver *drv)
21 return drv_add_linear_combinations(drv, supported_formats, ARRAY_SIZE(supported_formats));
24 static int virtio_gpu_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
27 int ret = drv_dumb_bo_create(bo, ALIGN(width, MESA_LLVMPIPE_TILE_SIZE),
28 ALIGN(height, MESA_LLVMPIPE_TILE_SIZE), format, flags);
32 static uint32_t virtio_gpu_resolve_format(uint32_t format)
35 case DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
36 /*HACK: See b/28671744 */
37 return DRM_FORMAT_XBGR8888;
38 case DRM_FORMAT_FLEX_YCbCr_420_888:
39 return DRM_FORMAT_YVU420_ANDROID;
45 struct backend backend_virtio_gpu = {
47 .init = virtio_gpu_init,
48 .bo_create = virtio_gpu_bo_create,
49 .bo_destroy = drv_dumb_bo_destroy,
50 .bo_import = drv_prime_bo_import,
51 .bo_map = drv_dumb_bo_map,
52 .resolve_format = virtio_gpu_resolve_format,