1 // 2 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 7 // Blit9.cpp: Surface copy utility class. 8 9 #ifndef LIBGLESV2_BLIT9_H_ 10 #define LIBGLESV2_BLIT9_H_ 11 12 #include "common/angleutils.h" 13 14 #include <GLES2/gl2.h> 15 16 namespace gl 17 { 18 class Framebuffer; 19 } 20 21 namespace rx 22 { 23 class Renderer9; 24 class TextureStorage; 25 26 class Blit9 27 { 28 public: 29 explicit Blit9(Renderer9 *renderer); 30 ~Blit9(); 31 32 // Copy from source surface to dest surface. 33 // sourceRect, xoffset, yoffset are in D3D coordinates (0,0 in upper-left) 34 bool copy2D(gl::Framebuffer *framebuffer, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, TextureStorage *storage, GLint level); 35 bool copyCube(gl::Framebuffer *framebuffer, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, TextureStorage *storage, GLenum target, GLint level); 36 37 // Copy from source surface to dest surface. 38 // sourceRect, xoffset, yoffset are in D3D coordinates (0,0 in upper-left) 39 // 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. 40 bool formatConvert(IDirect3DSurface9 *source, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, IDirect3DSurface9 *dest); 41 42 // 2x2 box filter sample from source to dest. 43 // Requires that source is RGB(A) and dest has the same format as source. 44 bool boxFilter(IDirect3DSurface9 *source, IDirect3DSurface9 *dest); 45 46 private: 47 rx::Renderer9 *mRenderer; 48 49 IDirect3DVertexBuffer9 *mQuadVertexBuffer; 50 IDirect3DVertexDeclaration9 *mQuadVertexDeclaration; 51 52 void initGeometry(); 53 54 bool setFormatConvertShaders(GLenum destFormat); 55 56 bool copy(IDirect3DSurface9 *source, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, IDirect3DSurface9 *dest); 57 IDirect3DTexture9 *copySurfaceToTexture(IDirect3DSurface9 *surface, const RECT &sourceRect); 58 void setViewport(const RECT &sourceRect, GLint xoffset, GLint yoffset); 59 void setCommonBlitState(); 60 RECT getSurfaceRect(IDirect3DSurface9 *surface) const; 61 62 // This enum is used to index mCompiledShaders and mShaderSource. 63 enum ShaderId 64 { 65 SHADER_VS_STANDARD, 66 SHADER_VS_FLIPY, 67 SHADER_PS_PASSTHROUGH, 68 SHADER_PS_LUMINANCE, 69 SHADER_PS_COMPONENTMASK, 70 SHADER_COUNT 71 }; 72 73 // This actually contains IDirect3DVertexShader9 or IDirect3DPixelShader9 casted to IUnknown. 74 IUnknown *mCompiledShaders[SHADER_COUNT]; 75 76 template <class D3DShaderType> 77 bool setShader(ShaderId source, const char *profile, 78 D3DShaderType *(Renderer9::*createShader)(const DWORD *, size_t length), 79 HRESULT (WINAPI IDirect3DDevice9::*setShader)(D3DShaderType*)); 80 81 bool setVertexShader(ShaderId shader); 82 bool setPixelShader(ShaderId shader); 83 void render(); 84 85 void saveState(); 86 void restoreState(); 87 IDirect3DStateBlock9 *mSavedStateBlock; 88 IDirect3DSurface9 *mSavedRenderTarget; 89 IDirect3DSurface9 *mSavedDepthStencil; 90 91 DISALLOW_COPY_AND_ASSIGN(Blit9); 92 }; 93 } 94 95 #endif // LIBGLESV2_BLIT9_H_ 96
