diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/d3d11/Fence11.cpp')
-rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/d3d11/Fence11.cpp | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d11/Fence11.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/d3d11/Fence11.cpp new file mode 100644 index 0000000000..2a7d4d43ef --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d11/Fence11.cpp @@ -0,0 +1,134 @@ +#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. +// + +// Fence11.cpp: Defines the rx::Fence11 class which implements rx::FenceImpl. + +#include "libGLESv2/renderer/d3d11/Fence11.h" +#include "libGLESv2/main.h" +#include "libGLESv2/renderer/d3d11/Renderer11.h" + +namespace rx +{ + +Fence11::Fence11(rx::Renderer11 *renderer) +{ + mRenderer = renderer; + mQuery = NULL; +} + +Fence11::~Fence11() +{ + if (mQuery) + { + mQuery->Release(); + mQuery = NULL; + } +} + +GLboolean Fence11::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 Fence11::setFence(GLenum condition) +{ + if (!mQuery) + { + D3D11_QUERY_DESC queryDesc; + queryDesc.Query = D3D11_QUERY_EVENT; + queryDesc.MiscFlags = 0; + + if (FAILED(mRenderer->getDevice()->CreateQuery(&queryDesc, &mQuery))) + { + return gl::error(GL_OUT_OF_MEMORY); + } + } + + mRenderer->getDeviceContext()->End(mQuery); + + setCondition(condition); + setStatus(GL_FALSE); +} + +GLboolean Fence11::testFence() +{ + if (mQuery == NULL) + { + return gl::error(GL_INVALID_OPERATION, GL_TRUE); + } + + HRESULT result = mRenderer->getDeviceContext()->GetData(mQuery, NULL, 0, 0); + + if (mRenderer->isDeviceLost()) + { + return gl::error(GL_OUT_OF_MEMORY, GL_TRUE); + } + + ASSERT(result == S_OK || result == S_FALSE); + setStatus(result == S_OK); + return getStatus(); +} + +void Fence11::finishFence() +{ + if (mQuery == NULL) + { + return gl::error(GL_INVALID_OPERATION); + } + + while (!testFence()) + { + Sleep(0); + } +} + +void Fence11::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 = mRenderer->getDeviceContext()->GetData(mQuery, NULL, 0, D3D11_ASYNC_GETDATA_DONOTFLUSH); + + if (mRenderer->isDeviceLost()) + { + params[0] = GL_TRUE; + 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; + } +} + +} |