kc3-lang/angle/src/libGLESv2/renderer/RenderTarget9.cpp

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• Author : shannon.woods@transgaming.com
  Date : 2013-02-28 23:16:20
  Hash : bdf2d80f
  Message : Add precompiled header support for the libGLESv2 project. TRAC #22518 Signed-off-by: Geoff Lang Signed-off-by: Shannon Woods Author: Jamie Madill git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1938 736b8ea6-26fd-11df-bfd4-992fa37f6226

• src/libGLESv2/renderer/RenderTarget9.cpp

• #include "precompiled.h"
  //
  // Copyright (c) 2012 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.
  //
  
  // RenderTarget9.cpp: Implements a D3D9-specific wrapper for IDirect3DSurface9
  // pointers retained by renderbuffers.
  
  #include "libGLESv2/renderer/RenderTarget9.h"
  #include "libGLESv2/renderer/Renderer9.h"
  
  #include "libGLESv2/renderer/renderer9_utils.h"
  #include "libGLESv2/main.h"
  
  namespace rx
  {
  
  RenderTarget9::RenderTarget9(Renderer *renderer, IDirect3DSurface9 *surface)
  {
      mRenderer = Renderer9::makeRenderer9(renderer);
      mRenderTarget = surface;
  
      if (mRenderTarget)
      {
          D3DSURFACE_DESC description;
          mRenderTarget->GetDesc(&description);
  
          mWidth = description.Width;
          mHeight = description.Height;
          
          mInternalFormat = d3d9_gl::GetEquivalentFormat(description.Format);
          mActualFormat = d3d9_gl::GetEquivalentFormat(description.Format);
          mSamples = d3d9_gl::GetSamplesFromMultisampleType(description.MultiSampleType);
      }
  }
  
  RenderTarget9::RenderTarget9(Renderer *renderer, GLsizei width, GLsizei height, GLenum format, GLsizei samples)
  {
      mRenderer = Renderer9::makeRenderer9(renderer);
      mRenderTarget = NULL;
  
      D3DFORMAT requestedFormat = gl_d3d9::ConvertRenderbufferFormat(format);
      int supportedSamples = mRenderer->getNearestSupportedSamples(requestedFormat, samples);
  
      if (supportedSamples == -1)
      {
          gl::error(GL_OUT_OF_MEMORY);
  
          return;
      }
  
      HRESULT result = D3DERR_INVALIDCALL;
      
      if (width > 0 && height > 0)
      {
          if (requestedFormat == D3DFMT_D24S8)
          {
              result = mRenderer->getDevice()->CreateDepthStencilSurface(width, height, requestedFormat,
                                                                         gl_d3d9::GetMultisampleTypeFromSamples(supportedSamples),
                                                                         0, FALSE, &mRenderTarget, NULL);
          }
          else
          {
              result = mRenderer->getDevice()->CreateRenderTarget(width, height, requestedFormat, 
                                                                  gl_d3d9::GetMultisampleTypeFromSamples(supportedSamples),
                                                                  0, FALSE, &mRenderTarget, NULL);
          }
  
          if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY)
          {
              gl::error(GL_OUT_OF_MEMORY);
  
              return;
          }
  
          ASSERT(SUCCEEDED(result));
      }
  
      mWidth = width;
      mHeight = height;
      mInternalFormat = format;
      mSamples = supportedSamples;
      mActualFormat = d3d9_gl::GetEquivalentFormat(requestedFormat);
  }
  
  RenderTarget9::~RenderTarget9()
  {
      if (mRenderTarget)
      {
          mRenderTarget->Release();
      }
  }
  
  RenderTarget9 *RenderTarget9::makeRenderTarget9(RenderTarget *target)
  {
      ASSERT(HAS_DYNAMIC_TYPE(rx::RenderTarget9*, target));
      return static_cast<rx::RenderTarget9*>(target);
  }
  
  IDirect3DSurface9 *RenderTarget9::getSurface()
  {
      // Caller is responsible for releasing the returned surface reference.
      if (mRenderTarget)
      {
          mRenderTarget->AddRef();
      }
  
      return mRenderTarget;
  }
  
  }