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//
// Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// TextureStorage.h: Defines the abstract rx::TextureStorage class.
#ifndef LIBANGLE_RENDERER_D3D_TEXTURESTORAGE_H_
#define LIBANGLE_RENDERER_D3D_TEXTURESTORAGE_H_
#include "common/debug.h"
#include "libANGLE/angletypes.h"
#include <GLES2/gl2.h>
#include <stdint.h>
namespace gl
{
class Context;
struct ImageIndex;
struct Box;
struct PixelUnpackState;
} // namespace gl
namespace rx
{
class SwapChainD3D;
class RenderTargetD3D;
class ImageD3D;
class TextureStorage : angle::NonCopyable
{
public:
TextureStorage() {}
virtual ~TextureStorage() {}
virtual gl::Error onDestroy(const gl::Context *context);
virtual int getTopLevel() const = 0;
virtual bool isRenderTarget() const = 0;
virtual bool isManaged() const = 0;
virtual bool supportsNativeMipmapFunction() const = 0;
virtual int getLevelCount() const = 0;
virtual gl::Error getRenderTarget(const gl::Context *context,
const gl::ImageIndex &index,
RenderTargetD3D **outRT) = 0;
virtual gl::Error generateMipmap(const gl::Context *context,
const gl::ImageIndex &sourceIndex,
const gl::ImageIndex &destIndex) = 0;
virtual gl::Error copyToStorage(const gl::Context *context, TextureStorage *destStorage) = 0;
virtual gl::Error setData(const gl::Context *context,
const gl::ImageIndex &index,
ImageD3D *image,
const gl::Box *destBox,
GLenum type,
const gl::PixelUnpackState &unpack,
const uint8_t *pixelData) = 0;
// This is a no-op for most implementations of TextureStorage. Some (e.g. TextureStorage11_2D) might override it.
virtual gl::Error useLevelZeroWorkaroundTexture(const gl::Context *context,
bool useLevelZeroTexture);
};
inline gl::Error TextureStorage::onDestroy(const gl::Context *context)
{
return gl::NoError();
}
inline gl::Error TextureStorage::useLevelZeroWorkaroundTexture(const gl::Context *context,
bool useLevelZeroTexture)
{
return gl::NoError();
}
using TexStoragePointer = angle::UniqueObjectPointer<TextureStorage, gl::Context>;
} // namespace rx
#endif // LIBANGLE_RENDERER_D3D_TEXTURESTORAGE_H_
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