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comparison: gfx/angle/src/libGLESv2/renderer/Fence9.cpp
gfx/angle/src/libGLESv2/renderer/Fence9.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:d1460829f20e |
|---|---|
| 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 // Fence9.cpp: Defines the rx::Fence9 class. | |
| 9 | |
| 10 #include "libGLESv2/renderer/Fence9.h" | |
| 11 #include "libGLESv2/main.h" | |
| 12 #include "libGLESv2/renderer/renderer9_utils.h" | |
| 13 #include "libGLESv2/renderer/Renderer9.h" | |
| 14 | |
| 15 namespace rx | |
| 16 { | |
| 17 | |
| 18 Fence9::Fence9(rx::Renderer9 *renderer) | |
| 19 { | |
| 20 mRenderer = renderer; | |
| 21 mQuery = NULL; | |
| 22 } | |
| 23 | |
| 24 Fence9::~Fence9() | |
| 25 { | |
| 26 if (mQuery) | |
| 27 { | |
| 28 mRenderer->freeEventQuery(mQuery); | |
| 29 mQuery = NULL; | |
| 30 } | |
| 31 } | |
| 32 | |
| 33 GLboolean Fence9::isFence() | |
| 34 { | |
| 35 // GL_NV_fence spec: | |
| 36 // A name returned by GenFencesNV, but not yet set via SetFenceNV, is not the name of an existing fence. | |
| 37 return mQuery != NULL; | |
| 38 } | |
| 39 | |
| 40 void Fence9::setFence(GLenum condition) | |
| 41 { | |
| 42 if (!mQuery) | |
| 43 { | |
| 44 mQuery = mRenderer->allocateEventQuery(); | |
| 45 if (!mQuery) | |
| 46 { | |
| 47 return gl::error(GL_OUT_OF_MEMORY); | |
| 48 } | |
| 49 } | |
| 50 | |
| 51 HRESULT result = mQuery->Issue(D3DISSUE_END); | |
| 52 ASSERT(SUCCEEDED(result)); | |
| 53 | |
| 54 setCondition(condition); | |
| 55 setStatus(GL_FALSE); | |
| 56 } | |
| 57 | |
| 58 GLboolean Fence9::testFence() | |
| 59 { | |
| 60 if (mQuery == NULL) | |
| 61 { | |
| 62 return gl::error(GL_INVALID_OPERATION, GL_TRUE); | |
| 63 } | |
| 64 | |
| 65 HRESULT result = mQuery->GetData(NULL, 0, D3DGETDATA_FLUSH); | |
| 66 | |
| 67 if (d3d9::isDeviceLostError(result)) | |
| 68 { | |
| 69 mRenderer->notifyDeviceLost(); | |
| 70 return gl::error(GL_OUT_OF_MEMORY, GL_TRUE); | |
| 71 } | |
| 72 | |
| 73 ASSERT(result == S_OK || result == S_FALSE); | |
| 74 setStatus(result == S_OK); | |
| 75 return getStatus(); | |
| 76 } | |
| 77 | |
| 78 void Fence9::finishFence() | |
| 79 { | |
| 80 if (mQuery == NULL) | |
| 81 { | |
| 82 return gl::error(GL_INVALID_OPERATION); | |
| 83 } | |
| 84 | |
| 85 while (!testFence()) | |
| 86 { | |
| 87 Sleep(0); | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 void Fence9::getFenceiv(GLenum pname, GLint *params) | |
| 92 { | |
| 93 if (mQuery == NULL) | |
| 94 { | |
| 95 return gl::error(GL_INVALID_OPERATION); | |
| 96 } | |
| 97 | |
| 98 switch (pname) | |
| 99 { | |
| 100 case GL_FENCE_STATUS_NV: | |
| 101 { | |
| 102 // GL_NV_fence spec: | |
| 103 // Once the status of a fence has been finished (via FinishFenceNV) or tested and the returned status is TRUE (via either TestFenceNV | |
| 104 // or GetFenceivNV querying the FENCE_STATUS_NV), the status remains TRUE until the next SetFenceNV of the fence. | |
| 105 if (getStatus()) | |
| 106 { | |
| 107 params[0] = GL_TRUE; | |
| 108 return; | |
| 109 } | |
| 110 | |
| 111 HRESULT result = mQuery->GetData(NULL, 0, 0); | |
| 112 | |
| 113 if (d3d9::isDeviceLostError(result)) | |
| 114 { | |
| 115 params[0] = GL_TRUE; | |
| 116 mRenderer->notifyDeviceLost(); | |
| 117 return gl::error(GL_OUT_OF_MEMORY); | |
| 118 } | |
| 119 | |
| 120 ASSERT(result == S_OK || result == S_FALSE); | |
| 121 setStatus(result == S_OK); | |
| 122 params[0] = getStatus(); | |
| 123 | |
| 124 break; | |
| 125 } | |
| 126 case GL_FENCE_CONDITION_NV: | |
| 127 params[0] = getCondition(); | |
| 128 break; | |
| 129 default: | |
| 130 return gl::error(GL_INVALID_ENUM); | |
| 131 break; | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 } |
