kc3-lang/angle/src/libANGLE/renderer/d3d/d3d11/Query11.cpp

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• Hash : 4c76feac
  Author :
  Date : 2014-11-24T11:38:52
  

  Remove notify parameter from testDeviceLost.
  
  We can get rid of this parameter now that we call notify
  directly on the display in cases where we need to.
  
  BUG=angle:795
  
  Change-Id: I2024b70d0d725e755f7aa742ba221c2d0179d8b6
  Reviewed-on: https://chromium-review.googlesource.com/228911
  Tested-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/d3d/d3d11/Query11.cpp

• //
  // Copyright (c) 2013 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.
  //
  
  // Query11.cpp: Defines the rx::Query11 class which implements rx::QueryImpl.
  
  #include "libANGLE/renderer/d3d/d3d11/Query11.h"
  #include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
  #include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
  #include "common/utilities.h"
  
  #include <GLES2/gl2ext.h>
  
  namespace rx
  {
  
  Query11::Query11(Renderer11 *renderer, GLenum type)
      : QueryImpl(type),
        mResult(0),
        mQueryFinished(false),
        mRenderer(renderer),
        mQuery(NULL)
  {
  }
  
  Query11::~Query11()
  {
      SafeRelease(mQuery);
  }
  
  gl::Error Query11::begin()
  {
      if (mQuery == NULL)
      {
          D3D11_QUERY_DESC queryDesc;
          queryDesc.Query = gl_d3d11::ConvertQueryType(getType());
          queryDesc.MiscFlags = 0;
  
          HRESULT result = mRenderer->getDevice()->CreateQuery(&queryDesc, &mQuery);
          if (FAILED(result))
          {
              return gl::Error(GL_OUT_OF_MEMORY, "Internal query creation failed, result: 0x%X.", result);
          }
      }
  
      mRenderer->getDeviceContext()->Begin(mQuery);
      return gl::Error(GL_NO_ERROR);
  }
  
  gl::Error Query11::end()
  {
      ASSERT(mQuery);
      mRenderer->getDeviceContext()->End(mQuery);
  
      mQueryFinished = false;
      mResult = GL_FALSE;
  
      return gl::Error(GL_NO_ERROR);
  }
  
  gl::Error Query11::getResult(GLuint *params)
  {
      while (!mQueryFinished)
      {
          gl::Error error = testQuery();
          if (error.isError())
          {
              return error;
          }
  
          if (!mQueryFinished)
          {
              ScheduleYield();
          }
      }
  
      ASSERT(mQueryFinished);
      *params = mResult;
  
      return gl::Error(GL_NO_ERROR);
  }
  
  gl::Error Query11::isResultAvailable(GLuint *available)
  {
      gl::Error error = testQuery();
      if (error.isError())
      {
          return error;
      }
  
      *available = (mQueryFinished ? GL_TRUE : GL_FALSE);
  
      return gl::Error(GL_NO_ERROR);
  }
  
  gl::Error Query11::testQuery()
  {
      if (!mQueryFinished)
      {
          ASSERT(mQuery);
  
          ID3D11DeviceContext *context = mRenderer->getDeviceContext();
          switch (getType())
          {
            case GL_ANY_SAMPLES_PASSED_EXT:
            case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
              {
                  UINT64 numPixels = 0;
                  HRESULT result = context->GetData(mQuery, &numPixels, sizeof(numPixels), 0);
                  if (FAILED(result))
                  {
                      return gl::Error(GL_OUT_OF_MEMORY, "Failed to get the data of an internal query, result: 0x%X.", result);
                  }
  
                  if (result == S_OK)
                  {
                      mQueryFinished = true;
                      mResult = (numPixels > 0) ? GL_TRUE : GL_FALSE;
                  }
              }
              break;
  
            case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
              {
                  D3D11_QUERY_DATA_SO_STATISTICS soStats = { 0 };
                  HRESULT result = context->GetData(mQuery, &soStats, sizeof(soStats), 0);
                  if (FAILED(result))
                  {
                      return gl::Error(GL_OUT_OF_MEMORY, "Failed to get the data of an internal query, result: 0x%X.", result);
                  }
  
                  if (result == S_OK)
                  {
                      mQueryFinished = true;
                      mResult = static_cast<GLuint>(soStats.NumPrimitivesWritten);
                  }
              }
              break;
  
          default:
              UNREACHABLE();
              break;
          }
  
          if (!mQueryFinished && mRenderer->testDeviceLost())
          {
              mRenderer->notifyDeviceLost();
              return gl::Error(GL_OUT_OF_MEMORY, "Failed to test get query result, device is lost.");
          }
      }
  
      return gl::Error(GL_NO_ERROR);
  }
  
  }
  

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