The Tor Browser / file comparison
comparison: gfx/angle/src/libGLESv2/renderer/Query9.cpp
gfx/angle/src/libGLESv2/renderer/Query9.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:33c4eceb40e6 |
|---|---|
| 1 #include "precompiled.h" | |
| 2 // | |
| 3 // Copyright (c) 2013 The ANGLE Project Authors. All rights reserved. | |
| 4 // Use of this source code is governed by a BSD-style license that can be | |
| 5 // found in the LICENSE file. | |
| 6 // | |
| 7 | |
| 8 // Query9.cpp: Defines the rx::Query9 class which implements rx::QueryImpl. | |
| 9 | |
| 10 | |
| 11 #include "libGLESv2/renderer/Query9.h" | |
| 12 #include "libGLESv2/main.h" | |
| 13 #include "libGLESv2/renderer/renderer9_utils.h" | |
| 14 #include "libGLESv2/renderer/Renderer9.h" | |
| 15 | |
| 16 namespace rx | |
| 17 { | |
| 18 | |
| 19 Query9::Query9(rx::Renderer9 *renderer, GLenum type) : QueryImpl(type) | |
| 20 { | |
| 21 mRenderer = renderer; | |
| 22 mQuery = NULL; | |
| 23 } | |
| 24 | |
| 25 Query9::~Query9() | |
| 26 { | |
| 27 if (mQuery) | |
| 28 { | |
| 29 mQuery->Release(); | |
| 30 mQuery = NULL; | |
| 31 } | |
| 32 } | |
| 33 | |
| 34 void Query9::begin() | |
| 35 { | |
| 36 if (mQuery == NULL) | |
| 37 { | |
| 38 if (FAILED(mRenderer->getDevice()->CreateQuery(D3DQUERYTYPE_OCCLUSION, &mQuery))) | |
| 39 { | |
| 40 return gl::error(GL_OUT_OF_MEMORY); | |
| 41 } | |
| 42 } | |
| 43 | |
| 44 HRESULT result = mQuery->Issue(D3DISSUE_BEGIN); | |
| 45 ASSERT(SUCCEEDED(result)); | |
| 46 } | |
| 47 | |
| 48 void Query9::end() | |
| 49 { | |
| 50 if (mQuery == NULL) | |
| 51 { | |
| 52 return gl::error(GL_INVALID_OPERATION); | |
| 53 } | |
| 54 | |
| 55 HRESULT result = mQuery->Issue(D3DISSUE_END); | |
| 56 ASSERT(SUCCEEDED(result)); | |
| 57 | |
| 58 mStatus = GL_FALSE; | |
| 59 mResult = GL_FALSE; | |
| 60 } | |
| 61 | |
| 62 GLuint Query9::getResult() | |
| 63 { | |
| 64 if (mQuery != NULL) | |
| 65 { | |
| 66 while (!testQuery()) | |
| 67 { | |
| 68 Sleep(0); | |
| 69 // explicitly check for device loss | |
| 70 // some drivers seem to return S_FALSE even if the device is lost | |
| 71 // instead of D3DERR_DEVICELOST like they should | |
| 72 if (mRenderer->testDeviceLost(true)) | |
| 73 { | |
| 74 return gl::error(GL_OUT_OF_MEMORY, 0); | |
| 75 } | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 return mResult; | |
| 80 } | |
| 81 | |
| 82 GLboolean Query9::isResultAvailable() | |
| 83 { | |
| 84 if (mQuery != NULL) | |
| 85 { | |
| 86 testQuery(); | |
| 87 } | |
| 88 | |
| 89 return mStatus; | |
| 90 } | |
| 91 | |
| 92 GLboolean Query9::testQuery() | |
| 93 { | |
| 94 if (mQuery != NULL && mStatus != GL_TRUE) | |
| 95 { | |
| 96 DWORD numPixels = 0; | |
| 97 | |
| 98 HRESULT hres = mQuery->GetData(&numPixels, sizeof(DWORD), D3DGETDATA_FLUSH); | |
| 99 if (hres == S_OK) | |
| 100 { | |
| 101 mStatus = GL_TRUE; | |
| 102 | |
| 103 switch (getType()) | |
| 104 { | |
| 105 case GL_ANY_SAMPLES_PASSED_EXT: | |
| 106 case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT: | |
| 107 mResult = (numPixels > 0) ? GL_TRUE : GL_FALSE; | |
| 108 break; | |
| 109 default: | |
| 110 ASSERT(false); | |
| 111 } | |
| 112 } | |
| 113 else if (d3d9::isDeviceLostError(hres)) | |
| 114 { | |
| 115 mRenderer->notifyDeviceLost(); | |
| 116 return gl::error(GL_OUT_OF_MEMORY, GL_TRUE); | |
| 117 } | |
| 118 | |
| 119 return mStatus; | |
| 120 } | |
| 121 | |
| 122 return GL_TRUE; // prevent blocking when query is null | |
| 123 } | |
| 124 | |
| 125 } |
