diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/Query9.cpp')
-rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/Query9.cpp | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/Query9.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/Query9.cpp new file mode 100644 index 0000000000..3c6f1d0d43 --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/Query9.cpp @@ -0,0 +1,125 @@ +#include "precompiled.h" +// +// 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. +// + +// Query9.cpp: Defines the rx::Query9 class which implements rx::QueryImpl. + + +#include "libGLESv2/renderer/d3d/d3d9/Query9.h" +#include "libGLESv2/main.h" +#include "libGLESv2/renderer/d3d/d3d9/renderer9_utils.h" +#include "libGLESv2/renderer/d3d/d3d9/Renderer9.h" + +namespace rx +{ + +Query9::Query9(rx::Renderer9 *renderer, GLenum type) : QueryImpl(type) +{ + mRenderer = renderer; + mQuery = NULL; +} + +Query9::~Query9() +{ + SafeRelease(mQuery); +} + +void Query9::begin() +{ + if (mQuery == NULL) + { + if (FAILED(mRenderer->getDevice()->CreateQuery(D3DQUERYTYPE_OCCLUSION, &mQuery))) + { + return gl::error(GL_OUT_OF_MEMORY); + } + } + + HRESULT result = mQuery->Issue(D3DISSUE_BEGIN); + UNUSED_ASSERTION_VARIABLE(result); + ASSERT(SUCCEEDED(result)); +} + +void Query9::end() +{ + ASSERT(mQuery); + + HRESULT result = mQuery->Issue(D3DISSUE_END); + UNUSED_ASSERTION_VARIABLE(result); + ASSERT(SUCCEEDED(result)); + + mStatus = GL_FALSE; + mResult = GL_FALSE; +} + +GLuint Query9::getResult() +{ + if (mQuery != NULL) + { + while (!testQuery()) + { + Sleep(0); + // explicitly check for device loss + // some drivers seem to return S_FALSE even if the device is lost + // instead of D3DERR_DEVICELOST like they should + if (mRenderer->testDeviceLost(true)) + { + return gl::error(GL_OUT_OF_MEMORY, 0); + } + } + } + + return mResult; +} + +GLboolean Query9::isResultAvailable() +{ + if (mQuery != NULL) + { + testQuery(); + } + + return mStatus; +} + +GLboolean Query9::testQuery() +{ + if (mQuery != NULL && mStatus != GL_TRUE) + { + DWORD numPixels = 0; + + HRESULT hres = mQuery->GetData(&numPixels, sizeof(DWORD), D3DGETDATA_FLUSH); + if (hres == S_OK) + { + mStatus = GL_TRUE; + + switch (getType()) + { + case GL_ANY_SAMPLES_PASSED_EXT: + case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT: + mResult = (numPixels > 0) ? GL_TRUE : GL_FALSE; + break; + default: + ASSERT(false); + } + } + else if (d3d9::isDeviceLostError(hres)) + { + mRenderer->notifyDeviceLost(); + return gl::error(GL_OUT_OF_MEMORY, GL_TRUE); + } + + return mStatus; + } + + return GL_TRUE; // prevent blocking when query is null +} + +bool Query9::isStarted() const +{ + return (mQuery != NULL); +} + +} |