1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/libGLESv2/renderer/Blit.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,94 @@
1.4 +//
1.5 +// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +//
1.9 +
1.10 +// Blit.cpp: Surface copy utility class.
1.11 +
1.12 +#ifndef LIBGLESV2_BLIT_H_
1.13 +#define LIBGLESV2_BLIT_H_
1.14 +
1.15 +#include "common/angleutils.h"
1.16 +
1.17 +namespace gl
1.18 +{
1.19 +class Framebuffer;
1.20 +}
1.21 +
1.22 +namespace rx
1.23 +{
1.24 +class Renderer9;
1.25 +class TextureStorageInterface2D;
1.26 +class TextureStorageInterfaceCube;
1.27 +
1.28 +class Blit
1.29 +{
1.30 + public:
1.31 + explicit Blit(Renderer9 *renderer);
1.32 + ~Blit();
1.33 +
1.34 + // Copy from source surface to dest surface.
1.35 + // sourceRect, xoffset, yoffset are in D3D coordinates (0,0 in upper-left)
1.36 + bool copy(gl::Framebuffer *framebuffer, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, TextureStorageInterface2D *storage, GLint level);
1.37 + bool copy(gl::Framebuffer *framebuffer, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, TextureStorageInterfaceCube *storage, GLenum target, GLint level);
1.38 +
1.39 + // Copy from source surface to dest surface.
1.40 + // sourceRect, xoffset, yoffset are in D3D coordinates (0,0 in upper-left)
1.41 + // 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.
1.42 + bool formatConvert(IDirect3DSurface9 *source, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, IDirect3DSurface9 *dest);
1.43 +
1.44 + // 2x2 box filter sample from source to dest.
1.45 + // Requires that source is RGB(A) and dest has the same format as source.
1.46 + bool boxFilter(IDirect3DSurface9 *source, IDirect3DSurface9 *dest);
1.47 +
1.48 + private:
1.49 + rx::Renderer9 *mRenderer;
1.50 +
1.51 + IDirect3DVertexBuffer9 *mQuadVertexBuffer;
1.52 + IDirect3DVertexDeclaration9 *mQuadVertexDeclaration;
1.53 +
1.54 + void initGeometry();
1.55 +
1.56 + bool setFormatConvertShaders(GLenum destFormat);
1.57 +
1.58 + bool copy(IDirect3DSurface9 *source, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, IDirect3DSurface9 *dest);
1.59 + IDirect3DTexture9 *copySurfaceToTexture(IDirect3DSurface9 *surface, const RECT &sourceRect);
1.60 + void setViewport(const RECT &sourceRect, GLint xoffset, GLint yoffset);
1.61 + void setCommonBlitState();
1.62 + RECT getSurfaceRect(IDirect3DSurface9 *surface) const;
1.63 +
1.64 + // This enum is used to index mCompiledShaders and mShaderSource.
1.65 + enum ShaderId
1.66 + {
1.67 + SHADER_VS_STANDARD,
1.68 + SHADER_VS_FLIPY,
1.69 + SHADER_PS_PASSTHROUGH,
1.70 + SHADER_PS_LUMINANCE,
1.71 + SHADER_PS_COMPONENTMASK,
1.72 + SHADER_COUNT
1.73 + };
1.74 +
1.75 + // This actually contains IDirect3DVertexShader9 or IDirect3DPixelShader9 casted to IUnknown.
1.76 + IUnknown *mCompiledShaders[SHADER_COUNT];
1.77 +
1.78 + template <class D3DShaderType>
1.79 + bool setShader(ShaderId source, const char *profile,
1.80 + D3DShaderType *(Renderer9::*createShader)(const DWORD *, size_t length),
1.81 + HRESULT (WINAPI IDirect3DDevice9::*setShader)(D3DShaderType*));
1.82 +
1.83 + bool setVertexShader(ShaderId shader);
1.84 + bool setPixelShader(ShaderId shader);
1.85 + void render();
1.86 +
1.87 + void saveState();
1.88 + void restoreState();
1.89 + IDirect3DStateBlock9 *mSavedStateBlock;
1.90 + IDirect3DSurface9 *mSavedRenderTarget;
1.91 + IDirect3DSurface9 *mSavedDepthStencil;
1.92 +
1.93 + DISALLOW_COPY_AND_ASSIGN(Blit);
1.94 +};
1.95 +}
1.96 +
1.97 +#endif // LIBGLESV2_BLIT_H_
