diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/d3d9/Fence9.cpp')
-rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/d3d9/Fence9.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d9/Fence9.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/d3d9/Fence9.cpp new file mode 100644 index 0000000000..639c37b4e4 --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d9/Fence9.cpp @@ -0,0 +1,135 @@ +#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. +// + +// Fence9.cpp: Defines the rx::Fence9 class. + +#include "libGLESv2/renderer/d3d9/Fence9.h" +#include "libGLESv2/main.h" +#include "libGLESv2/renderer/d3d9/renderer9_utils.h" +#include "libGLESv2/renderer/d3d9/Renderer9.h" + +namespace rx +{ + +Fence9::Fence9(rx::Renderer9 *renderer) +{ + mRenderer = renderer; + mQuery = NULL; +} + +Fence9::~Fence9() +{ + if (mQuery) + { + mRenderer->freeEventQuery(mQuery); + mQuery = NULL; + } +} + +GLboolean Fence9::isFence() +{ + // GL_NV_fence spec: + // A name returned by GenFencesNV, but not yet set via SetFenceNV, is not the name of an existing fence. + return mQuery != NULL; +} + +void Fence9::setFence(GLenum condition) +{ + if (!mQuery) + { + mQuery = mRenderer->allocateEventQuery(); + if (!mQuery) + { + return gl::error(GL_OUT_OF_MEMORY); + } + } + + HRESULT result = mQuery->Issue(D3DISSUE_END); + ASSERT(SUCCEEDED(result)); + + setCondition(condition); + setStatus(GL_FALSE); +} + +GLboolean Fence9::testFence() +{ + if (mQuery == NULL) + { + return gl::error(GL_INVALID_OPERATION, GL_TRUE); + } + + HRESULT result = mQuery->GetData(NULL, 0, D3DGETDATA_FLUSH); + + if (d3d9::isDeviceLostError(result)) + { + mRenderer->notifyDeviceLost(); + return gl::error(GL_OUT_OF_MEMORY, GL_TRUE); + } + + ASSERT(result == S_OK || result == S_FALSE); + setStatus(result == S_OK); + return getStatus(); +} + +void Fence9::finishFence() +{ + if (mQuery == NULL) + { + return gl::error(GL_INVALID_OPERATION); + } + + while (!testFence()) + { + Sleep(0); + } +} + +void Fence9::getFenceiv(GLenum pname, GLint *params) +{ + if (mQuery == NULL) + { + return gl::error(GL_INVALID_OPERATION); + } + + switch (pname) + { + case GL_FENCE_STATUS_NV: + { + // GL_NV_fence spec: + // Once the status of a fence has been finished (via FinishFenceNV) or tested and the returned status is TRUE (via either TestFenceNV + // or GetFenceivNV querying the FENCE_STATUS_NV), the status remains TRUE until the next SetFenceNV of the fence. + if (getStatus()) + { + params[0] = GL_TRUE; + return; + } + + HRESULT result = mQuery->GetData(NULL, 0, 0); + + if (d3d9::isDeviceLostError(result)) + { + params[0] = GL_TRUE; + mRenderer->notifyDeviceLost(); + return gl::error(GL_OUT_OF_MEMORY); + } + + ASSERT(result == S_OK || result == S_FALSE); + setStatus(result == S_OK); + params[0] = getStatus(); + + break; + } + case GL_FENCE_CONDITION_NV: + params[0] = getCondition(); + break; + default: + return gl::error(GL_INVALID_ENUM); + break; + } +} + +} |