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authorAndrew Knight <andrew.knight@digia.com>2013-04-03 19:57:09 +0300
committerThe Qt Project <gerrit-noreply@qt-project.org>2013-04-08 11:35:44 +0200
commit710ad8ce1bd5d01ce048851d210ac3831ca17dde (patch)
treebb3f645e57a7887341113275c9caa2583f7e2dfa /src/3rdparty/angle/src/libGLESv2/renderer/Query11.cpp
parent8307ab784eb4d8d22441ee61f02cb381684ca3a2 (diff)
Upgrade ANGLE to DX11 Proto
Upgrades ANGLE to dx11proto (dx11-MRT-support tag), which splits out support for DirectX9 & DirectX11. The DX9 codepath is used by default; CONFIG+=angle_d3d11 must be passed to the ANGLE project to build for DX11. Existing patches to ANGLE have been updated (or removed if no longer needed), and a patch has been added to make DX9/DX11 codepaths mutually exclusive. Change-Id: Ibe13befadb94f04883eca449d0ee1f0da955ff92 Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com> Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com> Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com> Reviewed-by: Axel Waggershauser <awagger@gmail.com>
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/Query11.cpp')
-rw-r--r--src/3rdparty/angle/src/libGLESv2/renderer/Query11.cpp122
1 files changed, 122 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/Query11.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/Query11.cpp
new file mode 100644
index 0000000000..13210fc929
--- /dev/null
+++ b/src/3rdparty/angle/src/libGLESv2/renderer/Query11.cpp
@@ -0,0 +1,122 @@
+#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.
+//
+
+// Query11.cpp: Defines the rx::Query11 class which implements rx::QueryImpl.
+
+#include "libGLESv2/renderer/Query11.h"
+#include "libGLESv2/renderer/Renderer11.h"
+#include "libGLESv2/main.h"
+
+namespace rx
+{
+
+Query11::Query11(rx::Renderer11 *renderer, GLenum type) : QueryImpl(type)
+{
+ mRenderer = renderer;
+ mQuery = NULL;
+}
+
+Query11::~Query11()
+{
+ if (mQuery)
+ {
+ mQuery->Release();
+ mQuery = NULL;
+ }
+}
+
+void Query11::begin()
+{
+ if (mQuery == NULL)
+ {
+ D3D11_QUERY_DESC queryDesc;
+ queryDesc.Query = D3D11_QUERY_OCCLUSION;
+ queryDesc.MiscFlags = 0;
+
+ if (FAILED(mRenderer->getDevice()->CreateQuery(&queryDesc, &mQuery)))
+ {
+ return gl::error(GL_OUT_OF_MEMORY);
+ }
+ }
+
+ mRenderer->getDeviceContext()->Begin(mQuery);
+}
+
+void Query11::end()
+{
+ if (mQuery == NULL)
+ {
+ return gl::error(GL_INVALID_OPERATION);
+ }
+
+ mRenderer->getDeviceContext()->End(mQuery);
+
+ mStatus = GL_FALSE;
+ mResult = GL_FALSE;
+}
+
+GLuint Query11::getResult()
+{
+ if (mQuery != NULL)
+ {
+ while (!testQuery())
+ {
+ Sleep(0);
+ // explicitly check for device loss, some drivers seem to return S_FALSE
+ // if the device is lost
+ if (mRenderer->testDeviceLost(true))
+ {
+ return gl::error(GL_OUT_OF_MEMORY, 0);
+ }
+ }
+ }
+
+ return mResult;
+}
+
+GLboolean Query11::isResultAvailable()
+{
+ if (mQuery != NULL)
+ {
+ testQuery();
+ }
+
+ return mStatus;
+}
+
+GLboolean Query11::testQuery()
+{
+ if (mQuery != NULL && mStatus != GL_TRUE)
+ {
+ UINT64 numPixels = 0;
+ HRESULT result = mRenderer->getDeviceContext()->GetData(mQuery, &numPixels, sizeof(UINT64), 0);
+ if (result == 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:
+ UNREACHABLE();
+ }
+ }
+ else if (mRenderer->testDeviceLost(true))
+ {
+ return gl::error(GL_OUT_OF_MEMORY, GL_TRUE);
+ }
+
+ return mStatus;
+ }
+
+ return GL_TRUE; // prevent blocking when query is null
+}
+
+}