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//
// Copyright (c) 2002-2015 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.
//
// ImageD3D.h: Defines the rx::ImageD3D class, an abstract base class for the
// renderer-specific classes which will define the interface to the underlying
// surfaces or resources.
#ifndef LIBANGLE_RENDERER_D3D_IMAGED3D_H_
#define LIBANGLE_RENDERER_D3D_IMAGED3D_H_
#include "common/debug.h"
#include "libANGLE/Error.h"
namespace gl
{
class Framebuffer;
struct ImageIndex;
struct Box;
struct Extents;
struct Offset;
struct Rectangle;
struct PixelUnpackState;
}
namespace rx
{
class TextureStorage;
class RendererD3D;
class RenderTargetD3D;
class ImageD3D : angle::NonCopyable
{
public:
ImageD3D();
virtual ~ImageD3D() {};
GLsizei getWidth() const { return mWidth; }
GLsizei getHeight() const { return mHeight; }
GLsizei getDepth() const { return mDepth; }
GLenum getInternalFormat() const { return mInternalFormat; }
GLenum getTarget() const { return mTarget; }
bool isRenderableFormat() const { return mRenderable; }
void markDirty() { mDirty = true; }
void markClean() { mDirty = false; }
virtual bool isDirty() const = 0;
virtual bool redefine(GLenum target, GLenum internalformat, const gl::Extents &size, bool forceRelease) = 0;
GLenum getSizedInputFormat(GLenum inputType) const;
virtual gl::Error loadData(const gl::Box &area,
const gl::PixelUnpackState &unpack,
GLenum type,
const void *input,
bool applySkipImages) = 0;
virtual gl::Error loadCompressedData(const gl::Box &area, const void *input) = 0;
virtual gl::Error setManagedSurface2D(TextureStorage *storage, int level) { return gl::Error(GL_NO_ERROR); };
virtual gl::Error setManagedSurfaceCube(TextureStorage *storage, int face, int level) { return gl::Error(GL_NO_ERROR); };
virtual gl::Error setManagedSurface3D(TextureStorage *storage, int level) { return gl::Error(GL_NO_ERROR); };
virtual gl::Error setManagedSurface2DArray(TextureStorage *storage, int layer, int level) { return gl::Error(GL_NO_ERROR); };
virtual gl::Error copyToStorage(TextureStorage *storage, const gl::ImageIndex &index, const gl::Box ®ion) = 0;
virtual gl::Error copyFromTexStorage(const gl::ImageIndex &imageIndex,
TextureStorage *source) = 0;
virtual gl::Error copyFromFramebuffer(const gl::Offset &destOffset,
const gl::Rectangle &sourceArea,
const gl::Framebuffer *source) = 0;
protected:
GLsizei mWidth;
GLsizei mHeight;
GLsizei mDepth;
GLenum mInternalFormat;
bool mRenderable;
GLenum mTarget;
bool mDirty;
};
}
#endif // LIBANGLE_RENDERER_D3D_IMAGED3D_H_
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