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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/linux/gbm_util.h"
#include "base/notreached.h"
#include "ui/gfx/linux/gbm_defines.h"
namespace ui {
uint32_t BufferUsageToGbmFlags(gfx::BufferUsage usage) {
switch (usage) {
case gfx::BufferUsage::GPU_READ:
return GBM_BO_USE_TEXTURING;
case gfx::BufferUsage::SCANOUT:
return GBM_BO_USE_RENDERING | GBM_BO_USE_SCANOUT | GBM_BO_USE_TEXTURING;
case gfx::BufferUsage::SCANOUT_CAMERA_READ_WRITE:
return GBM_BO_USE_LINEAR | GBM_BO_USE_CAMERA_WRITE | GBM_BO_USE_SCANOUT |
GBM_BO_USE_TEXTURING;
case gfx::BufferUsage::CAMERA_AND_CPU_READ_WRITE:
return GBM_BO_USE_LINEAR | GBM_BO_USE_CAMERA_WRITE;
case gfx::BufferUsage::SCANOUT_CPU_READ_WRITE:
return GBM_BO_USE_LINEAR | GBM_BO_USE_SCANOUT | GBM_BO_USE_TEXTURING;
case gfx::BufferUsage::SCANOUT_VDA_WRITE:
return GBM_BO_USE_SCANOUT | GBM_BO_USE_TEXTURING |
GBM_BO_USE_HW_VIDEO_DECODER;
case gfx::BufferUsage::PROTECTED_SCANOUT:
return GBM_BO_USE_SCANOUT | GBM_BO_USE_PROTECTED;
case gfx::BufferUsage::PROTECTED_SCANOUT_VDA_WRITE:
return GBM_BO_USE_SCANOUT | GBM_BO_USE_PROTECTED |
GBM_BO_USE_HW_VIDEO_DECODER;
case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE:
return GBM_BO_USE_LINEAR | GBM_BO_USE_TEXTURING;
case gfx::BufferUsage::SCANOUT_VEA_CPU_READ:
return GBM_BO_USE_LINEAR | GBM_BO_USE_SCANOUT | GBM_BO_USE_TEXTURING |
GBM_BO_USE_HW_VIDEO_ENCODER;
case gfx::BufferUsage::VEA_READ_CAMERA_AND_CPU_READ_WRITE:
return GBM_BO_USE_LINEAR | GBM_BO_USE_CAMERA_WRITE |
GBM_BO_USE_TEXTURING | GBM_BO_USE_HW_VIDEO_ENCODER |
GBM_BO_USE_SW_READ_OFTEN;
case gfx::BufferUsage::SCANOUT_FRONT_RENDERING:
return GBM_BO_USE_SCANOUT | GBM_BO_USE_TEXTURING |
GBM_BO_USE_FRONT_RENDERING;
}
}
} // namespace ui
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