The Tor Browser: gfx/angle/src/libGLESv2/renderer/Blit.cpp@6474c204b198 (annotated)

gfx/angle/src/libGLESv2/renderer/Blit.cpp@6474c204b198 (annotated)

gfx/angle/src/libGLESv2/renderer/Blit.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 #include "precompiled.h"
 //
 // 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.
 #include "libGLESv2/renderer/Blit.h"
 #include "libGLESv2/main.h"
 #include "libGLESv2/renderer/renderer9_utils.h"
 #include "libGLESv2/renderer/TextureStorage9.h"
 #include "libGLESv2/renderer/RenderTarget9.h"
 #include "libGLESv2/renderer/Renderer9.h"
 #include "libGLESv2/Framebuffer.h"
 #include "libGLESv2/Renderbuffer.h"
 namespace
 {
 #include "libGLESv2/renderer/shaders/compiled/standardvs.h"
 #include "libGLESv2/renderer/shaders/compiled/flipyvs.h"
 #include "libGLESv2/renderer/shaders/compiled/passthroughps.h"
 #include "libGLESv2/renderer/shaders/compiled/luminanceps.h"
 #include "libGLESv2/renderer/shaders/compiled/componentmaskps.h"
 const BYTE* const g_shaderCode[] =
 {
     g_vs20_standardvs,
     g_vs20_flipyvs,
     g_ps20_passthroughps,
     g_ps20_luminanceps,
     g_ps20_componentmaskps
 };
 const size_t g_shaderSize[] =
 {
     sizeof(g_vs20_standardvs),
     sizeof(g_vs20_flipyvs),
     sizeof(g_ps20_passthroughps),
     sizeof(g_ps20_luminanceps),
     sizeof(g_ps20_componentmaskps)
 };
 }
 namespace rx
 {
 Blit::Blit(rx::Renderer9 *renderer)
   : mRenderer(renderer), mQuadVertexBuffer(NULL), mQuadVertexDeclaration(NULL), mSavedStateBlock(NULL), mSavedRenderTarget(NULL), mSavedDepthStencil(NULL)
 {
     initGeometry();
     memset(mCompiledShaders, 0, sizeof(mCompiledShaders));
 }
 Blit::~Blit()
 {
     if (mSavedStateBlock) mSavedStateBlock->Release();
     if (mQuadVertexBuffer) mQuadVertexBuffer->Release();
     if (mQuadVertexDeclaration) mQuadVertexDeclaration->Release();
     for (int i = 0; i < SHADER_COUNT; i++)
     {
         if (mCompiledShaders[i])
         {
             mCompiledShaders[i]->Release();
         }
     }
 }
 void Blit::initGeometry()
 {
     static const float quad[] =
     {
         -1, -1,
         -1,  1,
 , -1,
 ,  1
     };
     IDirect3DDevice9 *device = mRenderer->getDevice();
     HRESULT result = device->CreateVertexBuffer(sizeof(quad), D3DUSAGE_WRITEONLY, 0, D3DPOOL_DEFAULT, &mQuadVertexBuffer, NULL);
     if (FAILED(result))
     {
         ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
         return gl::error(GL_OUT_OF_MEMORY);
     }
     void *lockPtr = NULL;
     result = mQuadVertexBuffer->Lock(0, 0, &lockPtr, 0);
     if (FAILED(result) || lockPtr == NULL)
     {
         ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
         return gl::error(GL_OUT_OF_MEMORY);
     }
     memcpy(lockPtr, quad, sizeof(quad));
     mQuadVertexBuffer->Unlock();
     static const D3DVERTEXELEMENT9 elements[] =
     {
         { 0, 0, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0 },
         D3DDECL_END()
     };
     result = device->CreateVertexDeclaration(elements, &mQuadVertexDeclaration);
     if (FAILED(result))
     {
         ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
         return gl::error(GL_OUT_OF_MEMORY);
     }
 }
 template <class D3DShaderType>
 bool Blit::setShader(ShaderId source, const char *profile,
                      D3DShaderType *(rx::Renderer9::*createShader)(const DWORD *, size_t length),
                      HRESULT (WINAPI IDirect3DDevice9::*setShader)(D3DShaderType*))
 {
     IDirect3DDevice9 *device = mRenderer->getDevice();
     D3DShaderType *shader;
     if (mCompiledShaders[source] != NULL)
     {
         shader = static_cast<D3DShaderType*>(mCompiledShaders[source]);
     }
     else
     {
         const BYTE* shaderCode = g_shaderCode[source];
         size_t shaderSize = g_shaderSize[source];
         shader = (mRenderer->*createShader)(reinterpret_cast<const DWORD*>(shaderCode), shaderSize);
         if (!shader)
         {
             ERR("Failed to create shader for blit operation");
             return false;
         }
         mCompiledShaders[source] = shader;
     }
     HRESULT hr = (device->*setShader)(shader);
     if (FAILED(hr))
     {
         ERR("Failed to set shader for blit operation");
         return false;
     }
     return true;
 }
 bool Blit::setVertexShader(ShaderId shader)
 {
     return setShader<IDirect3DVertexShader9>(shader, "vs_2_0", &rx::Renderer9::createVertexShader, &IDirect3DDevice9::SetVertexShader);
 }
 bool Blit::setPixelShader(ShaderId shader)
 {
     return setShader<IDirect3DPixelShader9>(shader, "ps_2_0", &rx::Renderer9::createPixelShader, &IDirect3DDevice9::SetPixelShader);
 }
 RECT Blit::getSurfaceRect(IDirect3DSurface9 *surface) const
 {
     D3DSURFACE_DESC desc;
     surface->GetDesc(&desc);
     RECT rect;
     rect.left = 0;
     rect.top = 0;
     rect.right = desc.Width;
     rect.bottom = desc.Height;
     return rect;
 }
 bool Blit::boxFilter(IDirect3DSurface9 *source, IDirect3DSurface9 *dest)
 {
     IDirect3DTexture9 *texture = copySurfaceToTexture(source, getSurfaceRect(source));
     if (!texture)
     {
         return false;
     }
     IDirect3DDevice9 *device = mRenderer->getDevice();
     saveState();
     device->SetTexture(0, texture);
     device->SetRenderTarget(0, dest);
     setVertexShader(SHADER_VS_STANDARD);
     setPixelShader(SHADER_PS_PASSTHROUGH);
     setCommonBlitState();
     device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
     device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
     setViewport(getSurfaceRect(dest), 0, 0);
     render();
     texture->Release();
     restoreState();
     return true;
 }
 bool Blit::copy(gl::Framebuffer *framebuffer, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, TextureStorageInterface2D *storage, GLint level)
 {
     RenderTarget9 *renderTarget = NULL;
     IDirect3DSurface9 *source = NULL;
     gl::Renderbuffer *colorbuffer = framebuffer->getColorbuffer(0);
     if (colorbuffer)
     {
         renderTarget = RenderTarget9::makeRenderTarget9(colorbuffer->getRenderTarget());
     }
     if (renderTarget)
     {
         source = renderTarget->getSurface();
     }
     if (!source)
     {
         ERR("Failed to retrieve the render target.");
         return gl::error(GL_OUT_OF_MEMORY, false);
     }
     TextureStorage9_2D *storage9 = TextureStorage9_2D::makeTextureStorage9_2D(storage->getStorageInstance());
     IDirect3DSurface9 *destSurface = storage9->getSurfaceLevel(level, true);
     bool result = false;
     if (destSurface)
     {
         result = copy(source, sourceRect, destFormat, xoffset, yoffset, destSurface);
         destSurface->Release();
     }
     source->Release();
     return result;
 }
 bool Blit::copy(gl::Framebuffer *framebuffer, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, TextureStorageInterfaceCube *storage, GLenum target, GLint level)
 {
     RenderTarget9 *renderTarget = NULL;
     IDirect3DSurface9 *source = NULL;
     gl::Renderbuffer *colorbuffer = framebuffer->getColorbuffer(0);
     if (colorbuffer)
     {
         renderTarget = RenderTarget9::makeRenderTarget9(colorbuffer->getRenderTarget());
     }
     if (renderTarget)
     {
         source = renderTarget->getSurface();
     }
     if (!source)
     {
         ERR("Failed to retrieve the render target.");
         return gl::error(GL_OUT_OF_MEMORY, false);
     }
     TextureStorage9_Cube *storage9 = TextureStorage9_Cube::makeTextureStorage9_Cube(storage->getStorageInstance());
     IDirect3DSurface9 *destSurface = storage9->getCubeMapSurface(target, level, true);
     bool result = false;
     if (destSurface)
     {
         result = copy(source, sourceRect, destFormat, xoffset, yoffset, destSurface);
         destSurface->Release();
     }
     source->Release();
     return result;
 }
 bool Blit::copy(IDirect3DSurface9 *source, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, IDirect3DSurface9 *dest)
 {
     if (!dest)
     {
         return false;
     }
     IDirect3DDevice9 *device = mRenderer->getDevice();
     D3DSURFACE_DESC sourceDesc;
     D3DSURFACE_DESC destDesc;
     source->GetDesc(&sourceDesc);
     dest->GetDesc(&destDesc);
     if (sourceDesc.Format == destDesc.Format && destDesc.Usage & D3DUSAGE_RENDERTARGET &&
         d3d9_gl::IsFormatChannelEquivalent(destDesc.Format, destFormat))   // Can use StretchRect
     {
         RECT destRect = {xoffset, yoffset, xoffset + (sourceRect.right - sourceRect.left), yoffset + (sourceRect.bottom - sourceRect.top)};
         HRESULT result = device->StretchRect(source, &sourceRect, dest, &destRect, D3DTEXF_POINT);
         if (FAILED(result))
         {
             ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
             return gl::error(GL_OUT_OF_MEMORY, false);
         }
     }
     else
     {
         return formatConvert(source, sourceRect, destFormat, xoffset, yoffset, dest);
     }
     return true;
 }
 bool Blit::formatConvert(IDirect3DSurface9 *source, const RECT &sourceRect, GLenum destFormat, GLint xoffset, GLint yoffset, IDirect3DSurface9 *dest)
 {
     IDirect3DTexture9 *texture = copySurfaceToTexture(source, sourceRect);
     if (!texture)
     {
         return false;
     }
     IDirect3DDevice9 *device = mRenderer->getDevice();
     saveState();
     device->SetTexture(0, texture);
     device->SetRenderTarget(0, dest);
     setViewport(sourceRect, xoffset, yoffset);
     setCommonBlitState();
     if (setFormatConvertShaders(destFormat))
     {
         render();
     }
     texture->Release();
     restoreState();
     return true;
 }
 bool Blit::setFormatConvertShaders(GLenum destFormat)
 {
     bool okay = setVertexShader(SHADER_VS_STANDARD);
     switch (destFormat)
     {
       default: UNREACHABLE();
       case GL_RGBA:
       case GL_BGRA_EXT:
       case GL_RGB:
       case GL_ALPHA:
         okay = okay && setPixelShader(SHADER_PS_COMPONENTMASK);
         break;
       case GL_LUMINANCE:
       case GL_LUMINANCE_ALPHA:
         okay = okay && setPixelShader(SHADER_PS_LUMINANCE);
         break;
     }
     if (!okay)
     {
         return false;
     }
     enum { X = 0, Y = 1, Z = 2, W = 3 };
     // The meaning of this constant depends on the shader that was selected.
     // See the shader assembly code above for details.
     float psConst0[4] = { 0, 0, 0, 0 };
     switch (destFormat)
     {
       default: UNREACHABLE();
       case GL_RGBA:
       case GL_BGRA_EXT:
         psConst0[X] = 1;
         psConst0[Z] = 1;
         break;
       case GL_RGB:
         psConst0[X] = 1;
         psConst0[W] = 1;
         break;
       case GL_ALPHA:
         psConst0[Z] = 1;
         break;
       case GL_LUMINANCE:
         psConst0[Y] = 1;
         break;
       case GL_LUMINANCE_ALPHA:
         psConst0[X] = 1;
         break;
     }
     mRenderer->getDevice()->SetPixelShaderConstantF(0, psConst0, 1);
     return true;
 }
 IDirect3DTexture9 *Blit::copySurfaceToTexture(IDirect3DSurface9 *surface, const RECT &sourceRect)
 {
     if (!surface)
     {
         return NULL;
     }
     IDirect3DDevice9 *device = mRenderer->getDevice();
     D3DSURFACE_DESC sourceDesc;
     surface->GetDesc(&sourceDesc);
     // Copy the render target into a texture
     IDirect3DTexture9 *texture;
     HRESULT result = device->CreateTexture(sourceRect.right - sourceRect.left, sourceRect.bottom - sourceRect.top, 1, D3DUSAGE_RENDERTARGET, sourceDesc.Format, D3DPOOL_DEFAULT, &texture, NULL);
     if (FAILED(result))
     {
         ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
         return gl::error(GL_OUT_OF_MEMORY, (IDirect3DTexture9*)NULL);
     }
     IDirect3DSurface9 *textureSurface;
     result = texture->GetSurfaceLevel(0, &textureSurface);
     if (FAILED(result))
     {
         ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
         texture->Release();
         return gl::error(GL_OUT_OF_MEMORY, (IDirect3DTexture9*)NULL);
     }
     mRenderer->endScene();
     result = device->StretchRect(surface, &sourceRect, textureSurface, NULL, D3DTEXF_NONE);
     textureSurface->Release();
     if (FAILED(result))
     {
         ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
         texture->Release();
         return gl::error(GL_OUT_OF_MEMORY, (IDirect3DTexture9*)NULL);
     }
     return texture;
 }
 void Blit::setViewport(const RECT &sourceRect, GLint xoffset, GLint yoffset)
 {
     IDirect3DDevice9 *device = mRenderer->getDevice();
     D3DVIEWPORT9 vp;
     vp.X      = xoffset;
     vp.Y      = yoffset;
     vp.Width  = sourceRect.right - sourceRect.left;
     vp.Height = sourceRect.bottom - sourceRect.top;
     vp.MinZ   = 0.0f;
     vp.MaxZ   = 1.0f;
     device->SetViewport(&vp);
     float halfPixelAdjust[4] = { -1.0f/vp.Width, 1.0f/vp.Height, 0, 0 };
     device->SetVertexShaderConstantF(0, halfPixelAdjust, 1);
 }
 void Blit::setCommonBlitState()
 {
     IDirect3DDevice9 *device = mRenderer->getDevice();
     device->SetDepthStencilSurface(NULL);
     device->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID);
     device->SetRenderState(D3DRS_ALPHATESTENABLE, FALSE);
     device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
     device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
     device->SetRenderState(D3DRS_CLIPPLANEENABLE, 0);
     device->SetRenderState(D3DRS_COLORWRITEENABLE, D3DCOLORWRITEENABLE_ALPHA | D3DCOLORWRITEENABLE_BLUE | D3DCOLORWRITEENABLE_GREEN | D3DCOLORWRITEENABLE_RED);
     device->SetRenderState(D3DRS_SRGBWRITEENABLE, FALSE);
     device->SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE);
     device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
     device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
     device->SetSamplerState(0, D3DSAMP_SRGBTEXTURE, FALSE);
     device->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
     device->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
     RECT scissorRect = {0};   // Scissoring is disabled for flipping, but we need this to capture and restore the old rectangle
     device->SetScissorRect(&scissorRect);
     for(int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
     {
         device->SetStreamSourceFreq(i, 1);
     }
 }
 void Blit::render()
 {
     IDirect3DDevice9 *device = mRenderer->getDevice();
     HRESULT hr = device->SetStreamSource(0, mQuadVertexBuffer, 0, 2 * sizeof(float));
     hr = device->SetVertexDeclaration(mQuadVertexDeclaration);
     mRenderer->startScene();
     hr = device->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
 }
 void Blit::saveState()
 {
     IDirect3DDevice9 *device = mRenderer->getDevice();
     HRESULT hr;
     device->GetDepthStencilSurface(&mSavedDepthStencil);
     device->GetRenderTarget(0, &mSavedRenderTarget);
     if (mSavedStateBlock == NULL)
     {
         hr = device->BeginStateBlock();
         ASSERT(SUCCEEDED(hr) || hr == D3DERR_OUTOFVIDEOMEMORY || hr == E_OUTOFMEMORY);
         setCommonBlitState();
         static const float dummyConst[4] = { 0, 0, 0, 0 };
         device->SetVertexShader(NULL);
         device->SetVertexShaderConstantF(0, dummyConst, 1);
         device->SetPixelShader(NULL);
         device->SetPixelShaderConstantF(0, dummyConst, 1);
         D3DVIEWPORT9 dummyVp;
         dummyVp.X = 0;
         dummyVp.Y = 0;
         dummyVp.Width = 1;
         dummyVp.Height = 1;
         dummyVp.MinZ = 0;
         dummyVp.MaxZ = 1;
         device->SetViewport(&dummyVp);
         device->SetTexture(0, NULL);
         device->SetStreamSource(0, mQuadVertexBuffer, 0, 0);
         device->SetVertexDeclaration(mQuadVertexDeclaration);
         hr = device->EndStateBlock(&mSavedStateBlock);
         ASSERT(SUCCEEDED(hr) || hr == D3DERR_OUTOFVIDEOMEMORY || hr == E_OUTOFMEMORY);
     }
     ASSERT(mSavedStateBlock != NULL);
     if (mSavedStateBlock != NULL)
     {
         hr = mSavedStateBlock->Capture();
         ASSERT(SUCCEEDED(hr));
     }
 }
 void Blit::restoreState()
 {
     IDirect3DDevice9 *device = mRenderer->getDevice();
     device->SetDepthStencilSurface(mSavedDepthStencil);
     if (mSavedDepthStencil != NULL)
     {
         mSavedDepthStencil->Release();
         mSavedDepthStencil = NULL;
     }
     device->SetRenderTarget(0, mSavedRenderTarget);
     if (mSavedRenderTarget != NULL)
     {
         mSavedRenderTarget->Release();
         mSavedRenderTarget = NULL;
     }
     ASSERT(mSavedStateBlock != NULL);
     if (mSavedStateBlock != NULL)
     {
         mSavedStateBlock->Apply();
     }
 }
 }

The Tor Browser / annotate

gfx/angle/src/libGLESv2/renderer/Blit.cpp@6474c204b198 (annotated)

gfx/angle/src/libGLESv2/renderer/Blit.cpp