| #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/Query9.h" |
| #include "libGLESv2/main.h" |
| #include "libGLESv2/renderer/renderer9_utils.h" |
| #include "libGLESv2/renderer/Renderer9.h" |
| |
| namespace rx |
| { |
| |
| Query9::Query9(rx::Renderer9 *renderer, GLenum type) : QueryImpl(type) |
| { |
| mRenderer = renderer; |
| mQuery = NULL; |
| } |
| |
| Query9::~Query9() |
| { |
| if (mQuery) |
| { |
| mQuery->Release(); |
| mQuery = NULL; |
| } |
| } |
| |
| 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); |
| ASSERT(SUCCEEDED(result)); |
| } |
| |
| void Query9::end() |
| { |
| if (mQuery == NULL) |
| { |
| return gl::error(GL_INVALID_OPERATION); |
| } |
| |
| HRESULT result = mQuery->Issue(D3DISSUE_END); |
| 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 |
| } |
| |
| } |