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Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/Blit.h')
-rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/Blit.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/Blit.h b/src/3rdparty/angle/src/libGLESv2/renderer/Blit.h new file mode 100644 index 0000000000..3718028e66 --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/renderer/Blit.h @@ -0,0 +1,94 @@ +// +// Copyright (c) 2002-2010 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. +// + +// Blit.cpp: Surface copy utility class. + +#ifndef LIBGLESV2_BLIT_H_ +#define LIBGLESV2_BLIT_H_ + +#include "common/angleutils.h" + +namespace gl +{ +class Framebuffer; +} + +namespace rx +{ +class Renderer9; +class TextureStorageInterface2D; +class TextureStorageInterfaceCube; + +class Blit +{ + public: + explicit Blit(Renderer9 *renderer); + ~Blit(); + + // Copy from source surface to dest surface. + // sourceRect, xoffset, yoffset are in D3D coordinates (0,0 in upper-left) + bool copy(gl::Framebuffer *framebuffer, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, TextureStorageInterface2D *storage, GLint level); + bool copy(gl::Framebuffer *framebuffer, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, TextureStorageInterfaceCube *storage, GLenum target, GLint level); + + // Copy from source surface 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. + bool formatConvert(IDirect3DSurface9 *source, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, IDirect3DSurface9 *dest); + + // 2x2 box filter sample from source to dest. + // Requires that source is RGB(A) and dest has the same format as source. + bool boxFilter(IDirect3DSurface9 *source, IDirect3DSurface9 *dest); + + private: + rx::Renderer9 *mRenderer; + + IDirect3DVertexBuffer9 *mQuadVertexBuffer; + IDirect3DVertexDeclaration9 *mQuadVertexDeclaration; + + void initGeometry(); + + bool setFormatConvertShaders(GLenum destFormat); + + bool copy(IDirect3DSurface9 *source, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, IDirect3DSurface9 *dest); + IDirect3DTexture9 *copySurfaceToTexture(IDirect3DSurface9 *surface, const RECT &sourceRect); + void setViewport(const RECT &sourceRect, GLint xoffset, GLint yoffset); + void setCommonBlitState(); + RECT getSurfaceRect(IDirect3DSurface9 *surface) const; + + // This enum is used to index mCompiledShaders and mShaderSource. + enum ShaderId + { + SHADER_VS_STANDARD, + SHADER_VS_FLIPY, + SHADER_PS_PASSTHROUGH, + SHADER_PS_LUMINANCE, + SHADER_PS_COMPONENTMASK, + SHADER_COUNT + }; + + // This actually contains IDirect3DVertexShader9 or IDirect3DPixelShader9 casted to IUnknown. + IUnknown *mCompiledShaders[SHADER_COUNT]; + + template <class D3DShaderType> + bool setShader(ShaderId source, const char *profile, + D3DShaderType *(Renderer9::*createShader)(const DWORD *, size_t length), + HRESULT (WINAPI IDirect3DDevice9::*setShader)(D3DShaderType*)); + + bool setVertexShader(ShaderId shader); + bool setPixelShader(ShaderId shader); + void render(); + + void saveState(); + void restoreState(); + IDirect3DStateBlock9 *mSavedStateBlock; + IDirect3DSurface9 *mSavedRenderTarget; + IDirect3DSurface9 *mSavedDepthStencil; + + DISALLOW_COPY_AND_ASSIGN(Blit); +}; +} + +#endif // LIBGLESV2_BLIT_H_ |