Vincent Palatin | 5ecebea | 2016-03-11 14:05:45 -0800 | [diff] [blame] | 1 | /* |
| 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. |
| 5 | */ |
| 6 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 7 | #include "drv_priv.h" |
Vincent Palatin | 5ecebea | 2016-03-11 14:05:45 -0800 | [diff] [blame] | 8 | #include "helpers.h" |
Gurchetan Singh | 179687e | 2016-10-28 10:07:35 -0700 | [diff] [blame] | 9 | #include "util.h" |
Vincent Palatin | 5ecebea | 2016-03-11 14:05:45 -0800 | [diff] [blame] | 10 | |
Gurchetan Singh | e2b3a06 | 2017-04-07 17:15:34 -0700 | [diff] [blame] | 11 | #define MESA_LLVMPIPE_TILE_ORDER 6 |
| 12 | #define MESA_LLVMPIPE_TILE_SIZE (1 << MESA_LLVMPIPE_TILE_ORDER) |
| 13 | |
Gurchetan Singh | 8ac0c9a | 2017-05-15 09:34:22 -0700 | [diff] [blame] | 14 | static const uint32_t render_target_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888, |
| 15 | DRM_FORMAT_RGB565, DRM_FORMAT_XBGR8888, |
| 16 | DRM_FORMAT_XRGB8888 }; |
| 17 | |
| 18 | static const uint32_t texture_source_formats[] = { DRM_FORMAT_R8, DRM_FORMAT_YVU420, |
| 19 | DRM_FORMAT_YVU420_ANDROID }; |
Gurchetan Singh | 179687e | 2016-10-28 10:07:35 -0700 | [diff] [blame] | 20 | |
| 21 | static int virtio_gpu_init(struct driver *drv) |
| 22 | { |
Gurchetan Singh | 8ac0c9a | 2017-05-15 09:34:22 -0700 | [diff] [blame] | 23 | int ret; |
| 24 | ret = drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats), |
| 25 | &LINEAR_METADATA, BO_USE_RENDER_MASK); |
| 26 | if (ret) |
| 27 | return ret; |
| 28 | |
| 29 | ret = drv_add_combinations(drv, texture_source_formats, ARRAY_SIZE(texture_source_formats), |
| 30 | &LINEAR_METADATA, BO_USE_TEXTURE_MASK); |
| 31 | if (ret) |
| 32 | return ret; |
| 33 | |
| 34 | return drv_modify_linear_combinations(drv); |
Gurchetan Singh | 179687e | 2016-10-28 10:07:35 -0700 | [diff] [blame] | 35 | } |
| 36 | |
Gurchetan Singh | e2b3a06 | 2017-04-07 17:15:34 -0700 | [diff] [blame] | 37 | static int virtio_gpu_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format, |
| 38 | uint32_t flags) |
| 39 | { |
Owen Lin | bbb69fd | 2017-06-05 14:33:08 +0800 | [diff] [blame] | 40 | width = ALIGN(width, MESA_LLVMPIPE_TILE_SIZE); |
| 41 | height = ALIGN(height, MESA_LLVMPIPE_TILE_SIZE); |
| 42 | |
| 43 | /* HAL_PIXEL_FORMAT_YV12 requires that the buffer's height not be aligned. */ |
| 44 | if (bo->format == DRM_FORMAT_YVU420_ANDROID) |
| 45 | height = bo->height; |
| 46 | |
| 47 | return drv_dumb_bo_create(bo, width, height, format, flags); |
Gurchetan Singh | e2b3a06 | 2017-04-07 17:15:34 -0700 | [diff] [blame] | 48 | } |
| 49 | |
Tomasz Figa | ce1ae02 | 2017-07-05 18:15:06 +0900 | [diff] [blame] | 50 | static uint32_t virtio_gpu_resolve_format(uint32_t format, uint64_t usage) |
Gurchetan Singh | e2b3a06 | 2017-04-07 17:15:34 -0700 | [diff] [blame] | 51 | { |
| 52 | switch (format) { |
| 53 | case DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED: |
| 54 | /*HACK: See b/28671744 */ |
| 55 | return DRM_FORMAT_XBGR8888; |
| 56 | case DRM_FORMAT_FLEX_YCbCr_420_888: |
Owen Lin | bbb69fd | 2017-06-05 14:33:08 +0800 | [diff] [blame] | 57 | return DRM_FORMAT_YVU420; |
Gurchetan Singh | e2b3a06 | 2017-04-07 17:15:34 -0700 | [diff] [blame] | 58 | default: |
| 59 | return format; |
| 60 | } |
| 61 | } |
| 62 | |
Gurchetan Singh | 1b1d56a | 2017-03-10 16:25:23 -0800 | [diff] [blame] | 63 | struct backend backend_virtio_gpu = { |
Vincent Palatin | 5ecebea | 2016-03-11 14:05:45 -0800 | [diff] [blame] | 64 | .name = "virtio_gpu", |
Gurchetan Singh | 179687e | 2016-10-28 10:07:35 -0700 | [diff] [blame] | 65 | .init = virtio_gpu_init, |
Gurchetan Singh | e2b3a06 | 2017-04-07 17:15:34 -0700 | [diff] [blame] | 66 | .bo_create = virtio_gpu_bo_create, |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 67 | .bo_destroy = drv_dumb_bo_destroy, |
Gurchetan Singh | 71611d6 | 2017-01-03 16:49:56 -0800 | [diff] [blame] | 68 | .bo_import = drv_prime_bo_import, |
Gurchetan Singh | ef92053 | 2016-08-12 16:38:25 -0700 | [diff] [blame] | 69 | .bo_map = drv_dumb_bo_map, |
Gurchetan Singh | e2b3a06 | 2017-04-07 17:15:34 -0700 | [diff] [blame] | 70 | .resolve_format = virtio_gpu_resolve_format, |
Vincent Palatin | 5ecebea | 2016-03-11 14:05:45 -0800 | [diff] [blame] | 71 | }; |