kc3-lang/angle/src/libANGLE/renderer/d3d/d3d9/RenderTarget9.cpp

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• Author : Jamie Madill
  Date : 2015-04-01 16:15:32
  Hash : f4bf3811
  Message : Use GetAs/GetImplAs whenever possible. This patch cleans up the rest of our custom casting helper functions. Change-Id: I41975c736765fca855c4498acca31116df3e8317 Reviewed-on: https://chromium-review.googlesource.com/263477 Tested-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Brandon Jones <bajones@chromium.org>

• src/libANGLE/renderer/d3d/d3d9/RenderTarget9.cpp

• //
  // Copyright (c) 2012-2014 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 "libANGLE/renderer/d3d/d3d9/RenderTarget9.h"
  #include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
  #include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
  #include "libANGLE/renderer/d3d/d3d9/SwapChain9.h"
  #include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
  
  namespace rx
  {
  
  // TODO: AddRef the incoming surface to take ownership instead of expecting that its ref is being given.
  TextureRenderTarget9::TextureRenderTarget9(IDirect3DSurface9 *surface, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth,
                                             GLsizei samples)
      : mWidth(width),
        mHeight(height),
        mDepth(depth),
        mInternalFormat(internalFormat),
        mD3DFormat(D3DFMT_UNKNOWN),
        mSamples(samples),
        mRenderTarget(surface)
  {
      ASSERT(mDepth == 1);
  
      if (mRenderTarget)
      {
          D3DSURFACE_DESC description;
          mRenderTarget->GetDesc(&description);
          mD3DFormat = description.Format;
      }
  }
  
  TextureRenderTarget9::~TextureRenderTarget9()
  {
      SafeRelease(mRenderTarget);
  }
  
  GLsizei TextureRenderTarget9::getWidth() const
  {
      return mWidth;
  }
  
  GLsizei TextureRenderTarget9::getHeight() const
  {
      return mHeight;
  }
  
  GLsizei TextureRenderTarget9::getDepth() const
  {
      return mDepth;
  }
  
  GLenum TextureRenderTarget9::getInternalFormat() const
  {
      return mInternalFormat;
  }
  
  GLsizei TextureRenderTarget9::getSamples() const
  {
      return mSamples;
  }
  
  IDirect3DSurface9 *TextureRenderTarget9::getSurface()
  {
      // Caller is responsible for releasing the returned surface reference.
      // TODO: remove the AddRef to match RenderTarget11
      if (mRenderTarget)
      {
          mRenderTarget->AddRef();
      }
  
      return mRenderTarget;
  }
  
  D3DFORMAT TextureRenderTarget9::getD3DFormat() const
  {
      return mD3DFormat;
  }
  
  SurfaceRenderTarget9::SurfaceRenderTarget9(SwapChain9 *swapChain, bool depth)
      : mSwapChain(swapChain),
        mDepth(depth)
  {
  }
  
  SurfaceRenderTarget9::~SurfaceRenderTarget9()
  {
  }
  
  GLsizei SurfaceRenderTarget9::getWidth() const
  {
      return mSwapChain->getWidth();
  }
  
  GLsizei SurfaceRenderTarget9::getHeight() const
  {
      return mSwapChain->getHeight();
  }
  
  GLsizei SurfaceRenderTarget9::getDepth() const
  {
      return 1;
  }
  
  GLenum SurfaceRenderTarget9::getInternalFormat() const
  {
      return (mDepth ? mSwapChain->GetDepthBufferInternalFormat() : mSwapChain->GetBackBufferInternalFormat());
  }
  
  GLsizei SurfaceRenderTarget9::getSamples() const
  {
      // Our EGL surfaces do not support multisampling.
      return 0;
  }
  
  IDirect3DSurface9 *SurfaceRenderTarget9::getSurface()
  {
      return (mDepth ? mSwapChain->getDepthStencil() : mSwapChain->getRenderTarget());
  }
  
  D3DFORMAT SurfaceRenderTarget9::getD3DFormat() const
  {
      return d3d9::GetTextureFormatInfo(getInternalFormat()).texFormat;
  }
  
  }