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//
// Copyright 2002 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.
//
// Blit9.cpp: Surface copy utility class.
#ifndef LIBANGLE_RENDERER_D3D_D3D9_BLIT9_H_
#define LIBANGLE_RENDERER_D3D_D3D9_BLIT9_H_
#include "common/PackedEnums.h"
#include "common/angleutils.h"
#include "libANGLE/Error.h"
namespace gl
{
class Context;
class Framebuffer;
class Texture;
struct Extents;
struct Offset;
} // namespace gl
namespace rx
{
class Context9;
class Renderer9;
class TextureStorage;
namespace d3d
{
class Context;
} // namespace d3d
class Blit9 : angle::NonCopyable
{
public:
explicit Blit9(Renderer9 *renderer);
~Blit9();
angle::Result initialize(Context9 *context9);
// Copy from source surface to dest surface.
// sourceRect, xoffset, yoffset are in D3D coordinates (0,0 in upper-left)
angle::Result copy2D(const gl::Context *context,
const gl::Framebuffer *framebuffer,
const RECT &sourceRect,
GLenum destFormat,
const gl::Offset &destOffset,
TextureStorage *storage,
GLint level);
angle::Result copyCube(const gl::Context *context,
const gl::Framebuffer *framebuffer,
const RECT &sourceRect,
GLenum destFormat,
const gl::Offset &destOffset,
TextureStorage *storage,
gl::TextureTarget target,
GLint level);
angle::Result copyTexture(const gl::Context *context,
const gl::Texture *source,
GLint sourceLevel,
const RECT &sourceRect,
GLenum destFormat,
const gl::Offset &destOffset,
TextureStorage *storage,
gl::TextureTarget destTarget,
GLint destLevel,
bool flipY,
bool premultiplyAlpha,
bool unmultiplyAlpha);
// 2x2 box filter sample from source to dest.
// Requires that source is RGB(A) and dest has the same format as source.
angle::Result boxFilter(Context9 *context9, IDirect3DSurface9 *source, IDirect3DSurface9 *dest);
private:
Renderer9 *mRenderer;
bool mGeometryLoaded;
IDirect3DVertexBuffer9 *mQuadVertexBuffer;
IDirect3DVertexDeclaration9 *mQuadVertexDeclaration;
// Copy from source texture to dest surface.
// sourceRect, xoffset, yoffset are in D3D coordinates (0,0 in upper-left)
// source is interpreted as RGBA and destFormat specifies the desired result format. For
// example, if destFormat = GL_RGB, the alpha channel will be forced to 0.
angle::Result formatConvert(Context9 *context9,
IDirect3DBaseTexture9 *source,
const RECT &sourceRect,
const gl::Extents &sourceSize,
GLenum destFormat,
const gl::Offset &destOffset,
IDirect3DSurface9 *dest,
bool flipY,
bool premultiplyAlpha,
bool unmultiplyAlpha);
angle::Result setFormatConvertShaders(Context9 *context9,
GLenum destFormat,
bool flipY,
bool premultiplyAlpha,
bool unmultiplyAlpha);
angle::Result copy(Context9 *context9,
IDirect3DSurface9 *source,
IDirect3DBaseTexture9 *sourceTexture,
const RECT &sourceRect,
GLenum destFormat,
const gl::Offset &destOffset,
IDirect3DSurface9 *dest,
bool flipY,
bool premultiplyAlpha,
bool unmultiplyAlpha);
angle::Result copySurfaceToTexture(Context9 *context9,
IDirect3DSurface9 *surface,
const RECT &sourceRect,
angle::ComPtr<IDirect3DBaseTexture9> *outTexture);
void setViewportAndShaderConstants(const RECT &sourceRect,
const gl::Extents &sourceSize,
const RECT &destRect,
bool flipY);
void setCommonBlitState();
RECT getSurfaceRect(IDirect3DSurface9 *surface) const;
gl::Extents getSurfaceSize(IDirect3DSurface9 *surface) const;
// This enum is used to index mCompiledShaders and mShaderSource.
enum ShaderId
{
SHADER_VS_STANDARD,
SHADER_PS_PASSTHROUGH,
SHADER_PS_LUMINANCE,
SHADER_PS_LUMINANCE_PREMULTIPLY_ALPHA,
SHADER_PS_LUMINANCE_UNMULTIPLY_ALPHA,
SHADER_PS_COMPONENTMASK,
SHADER_PS_COMPONENTMASK_PREMULTIPLY_ALPHA,
SHADER_PS_COMPONENTMASK_UNMULTIPLY_ALPHA,
SHADER_COUNT,
};
// This actually contains IDirect3DVertexShader9 or IDirect3DPixelShader9 casted to IUnknown.
IUnknown *mCompiledShaders[SHADER_COUNT];
template <class D3DShaderType>
angle::Result setShader(Context9 *,
ShaderId source,
const char *profile,
angle::Result (Renderer9::*createShader)(d3d::Context *context,
const DWORD *,
size_t length,
D3DShaderType **outShader),
HRESULT (WINAPI IDirect3DDevice9::*setShader)(D3DShaderType *));
angle::Result setVertexShader(Context9 *context9, ShaderId shader);
angle::Result setPixelShader(Context9 *context9, ShaderId shader);
void render();
void saveState();
void restoreState();
IDirect3DStateBlock9 *mSavedStateBlock;
IDirect3DSurface9 *mSavedRenderTarget;
IDirect3DSurface9 *mSavedDepthStencil;
};
} // namespace rx
#endif // LIBANGLE_RENDERER_D3D_D3D9_BLIT9_H_
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