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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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