chromium/third_party/dawn/src/dawn/native/Texture.h

// Copyright 2017 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
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// 3. Neither the name of the copyright holder nor the names of its
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//    this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#ifndef SRC_DAWN_NATIVE_TEXTURE_H_
#define SRC_DAWN_NATIVE_TEXTURE_H_

#include <string>
#include <vector>

#include "dawn/common/WeakRef.h"
#include "dawn/common/ityp_array.h"
#include "dawn/common/ityp_bitset.h"
#include "dawn/native/Error.h"
#include "dawn/native/Format.h"
#include "dawn/native/Forward.h"
#include "dawn/native/ObjectBase.h"
#include "dawn/native/SharedTextureMemory.h"
#include "dawn/native/Subresource.h"
#include "partition_alloc/pointers/raw_ref.h"

#include "dawn/native/dawn_platform.h"

namespace dawn::native {

enum class AllowMultiPlanarTextureFormat { … };

MaybeError ValidateTextureDescriptor(
    const DeviceBase* device,
    const UnpackedPtr<TextureDescriptor>& descriptor,
    AllowMultiPlanarTextureFormat allowMultiPlanar = AllowMultiPlanarTextureFormat::No,
    std::optional<wgpu::TextureUsage> allowedSharedTextureMemoryUsage = std::nullopt);
MaybeError ValidateTextureViewDescriptor(const DeviceBase* device,
                                         const TextureBase* texture,
                                         const UnpackedPtr<TextureViewDescriptor>& descriptor);
ResultOrError<TextureViewDescriptor> GetTextureViewDescriptorWithDefaults(
    const TextureBase* texture,
    const TextureViewDescriptor* descriptor);

bool IsValidSampleCount(uint32_t sampleCount);

static constexpr wgpu::TextureUsage kReadOnlyTextureUsages = …;

// Valid texture usages for a resolve texture that are loaded from at the beginning of a render
// pass.
static constexpr wgpu::TextureUsage kResolveTextureLoadAndStoreUsages = …;

static constexpr wgpu::TextureUsage kShaderTextureUsages = …;

class TextureBase : public SharedResource { … };

class TextureViewBase : public ApiObjectBase { … };

}  // namespace dawn::native

#endif  // SRC_DAWN_NATIVE_TEXTURE_H_