73 lines
2.9 KiB
C
73 lines
2.9 KiB
C
/*
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* Copyright 2020 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include <errno.h>
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#include "drv_helpers.h"
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#include "drv_priv.h"
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#include "util.h"
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#define INIT_DUMB_DRIVER(driver) \
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const struct backend backend_##driver = { \
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.name = #driver, \
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.init = dumb_driver_init, \
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.bo_create = drv_dumb_bo_create, \
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.bo_create_with_modifiers = dumb_bo_create_with_modifiers, \
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.bo_destroy = drv_dumb_bo_destroy, \
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.bo_import = drv_prime_bo_import, \
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.bo_map = drv_dumb_bo_map, \
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.bo_unmap = drv_bo_munmap, \
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.resolve_format_and_use_flags = drv_resolve_format_and_use_flags_helper, \
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};
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static const uint32_t scanout_render_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_XRGB8888,
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DRM_FORMAT_ABGR8888, DRM_FORMAT_XBGR8888,
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DRM_FORMAT_BGR888, DRM_FORMAT_RGB565 };
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static const uint32_t texture_only_formats[] = { DRM_FORMAT_R8, DRM_FORMAT_NV12, DRM_FORMAT_NV21,
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DRM_FORMAT_YVU420, DRM_FORMAT_YVU420_ANDROID };
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static int dumb_driver_init(struct driver *drv)
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{
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drv_add_combinations(drv, scanout_render_formats, ARRAY_SIZE(scanout_render_formats),
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&LINEAR_METADATA, BO_USE_RENDER_MASK | BO_USE_SCANOUT);
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drv_add_combinations(drv, texture_only_formats, ARRAY_SIZE(texture_only_formats),
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&LINEAR_METADATA, BO_USE_TEXTURE_MASK);
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drv_modify_combination(drv, DRM_FORMAT_R8, &LINEAR_METADATA,
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BO_USE_HW_VIDEO_ENCODER | BO_USE_HW_VIDEO_DECODER |
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BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE);
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drv_modify_combination(drv, DRM_FORMAT_NV12, &LINEAR_METADATA,
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BO_USE_HW_VIDEO_ENCODER | BO_USE_HW_VIDEO_DECODER |
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BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE);
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drv_modify_combination(drv, DRM_FORMAT_NV21, &LINEAR_METADATA, BO_USE_HW_VIDEO_ENCODER);
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return drv_modify_linear_combinations(drv);
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}
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static int dumb_bo_create_with_modifiers(struct bo *bo, uint32_t width, uint32_t height,
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uint32_t format, const uint64_t *modifiers, uint32_t count)
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{
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for (uint32_t i = 0; i < count; i++) {
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if (modifiers[i] == DRM_FORMAT_MOD_LINEAR) {
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return drv_dumb_bo_create(bo, width, height, format, 0);
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}
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}
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return -EINVAL;
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}
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INIT_DUMB_DRIVER(evdi)
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INIT_DUMB_DRIVER(komeda)
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INIT_DUMB_DRIVER(marvell)
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INIT_DUMB_DRIVER(meson)
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INIT_DUMB_DRIVER(nouveau)
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INIT_DUMB_DRIVER(radeon)
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INIT_DUMB_DRIVER(synaptics)
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INIT_DUMB_DRIVER(udl)
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INIT_DUMB_DRIVER(vkms)
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