diff options
author | Liang Qi <liang.qi@theqtcompany.com> | 2015-04-22 09:04:29 +0200 |
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committer | Liang Qi <liang.qi@theqtcompany.com> | 2015-04-22 09:25:54 +0200 |
commit | aed5a7168354c6ae47687d20b4bd3f0adcc14f8e (patch) | |
tree | d2060479a7c12fdba8c1955e5d363754feffabb8 /src/3rdparty/angle/src/libANGLE/renderer/d3d/BufferD3D.cpp | |
parent | d3d10cf23d61f4a011f1a7e9abdee1a92717e80f (diff) | |
parent | 628fa13ea4d6ff0e2e2ee76c9adfc78676de3c59 (diff) |
Merge remote-tracking branch 'origin/5.5' into dev
Conflicts:
src/corelib/statemachine/qstatemachine.cpp
src/corelib/statemachine/qstatemachine_p.h
src/gui/painting/qdrawhelper.cpp
src/plugins/platforms/xcb/qxcbnativeinterface.cpp
src/plugins/platforms/xcb/qxcbwindow.cpp
src/plugins/platforms/xcb/qxcbwindow.h
src/testlib/qtestblacklist.cpp
src/tools/qdoc/node.cpp
src/tools/qdoc/node.h
tests/auto/gui/painting/qcolor/tst_qcolor.cpp
Change-Id: I6c78b7b162001712d5774293f501b06b4ff32684
Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/renderer/d3d/BufferD3D.cpp')
-rw-r--r-- | src/3rdparty/angle/src/libANGLE/renderer/d3d/BufferD3D.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/BufferD3D.cpp b/src/3rdparty/angle/src/libANGLE/renderer/d3d/BufferD3D.cpp new file mode 100644 index 0000000000..1af8794356 --- /dev/null +++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/BufferD3D.cpp @@ -0,0 +1,80 @@ +// +// Copyright 2014 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. +// + +// BufferD3D.cpp Defines common functionality between the Buffer9 and Buffer11 classes. + +#include "libANGLE/renderer/d3d/BufferD3D.h" + +#include "libANGLE/renderer/d3d/IndexBuffer.h" +#include "libANGLE/renderer/d3d/VertexBuffer.h" + +namespace rx +{ + +unsigned int BufferD3D::mNextSerial = 1; + +BufferD3D::BufferD3D(BufferFactoryD3D *factory) + : BufferImpl(), + mFactory(factory), + mStaticVertexBuffer(nullptr), + mStaticIndexBuffer(nullptr), + mUnmodifiedDataUse(0) +{ + updateSerial(); +} + +BufferD3D::~BufferD3D() +{ + SafeDelete(mStaticVertexBuffer); + SafeDelete(mStaticIndexBuffer); +} + +void BufferD3D::updateSerial() +{ + mSerial = mNextSerial++; +} + +void BufferD3D::initializeStaticData() +{ + if (!mStaticVertexBuffer) + { + mStaticVertexBuffer = new StaticVertexBufferInterface(mFactory); + } + if (!mStaticIndexBuffer) + { + mStaticIndexBuffer = new StaticIndexBufferInterface(mFactory); + } +} + +void BufferD3D::invalidateStaticData() +{ + if ((mStaticVertexBuffer && mStaticVertexBuffer->getBufferSize() != 0) || (mStaticIndexBuffer && mStaticIndexBuffer->getBufferSize() != 0)) + { + SafeDelete(mStaticVertexBuffer); + SafeDelete(mStaticIndexBuffer); + + // Re-init static data to track that we're in a static buffer + initializeStaticData(); + } + + mUnmodifiedDataUse = 0; +} + +// Creates static buffers if sufficient used data has been left unmodified +void BufferD3D::promoteStaticUsage(int dataSize) +{ + if (!mStaticVertexBuffer && !mStaticIndexBuffer) + { + mUnmodifiedDataUse += dataSize; + + if (mUnmodifiedDataUse > 3 * getSize()) + { + initializeStaticData(); + } + } +} + +}
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