| // |
| // 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 "libGLESv2/renderer/d3d/BufferD3D.h" |
| #include "libGLESv2/renderer/d3d/VertexBuffer.h" |
| #include "libGLESv2/renderer/d3d/IndexBuffer.h" |
| #include "libGLESv2/renderer/Renderer.h" |
| #include "libGLESv2/main.h" |
| |
| namespace rx |
| { |
| |
| unsigned int BufferD3D::mNextSerial = 1; |
| |
| BufferD3D::BufferD3D() |
| : BufferImpl(), |
| mStaticVertexBuffer(NULL), |
| mStaticIndexBuffer(NULL) |
| { |
| updateSerial(); |
| } |
| |
| BufferD3D::~BufferD3D() |
| { |
| SafeDelete(mStaticVertexBuffer); |
| SafeDelete(mStaticIndexBuffer); |
| } |
| |
| BufferD3D *BufferD3D::makeBufferD3D(BufferImpl *buffer) |
| { |
| ASSERT(HAS_DYNAMIC_TYPE(BufferD3D*, buffer)); |
| return static_cast<BufferD3D*>(buffer); |
| } |
| |
| void BufferD3D::updateSerial() |
| { |
| mSerial = mNextSerial++; |
| } |
| |
| void BufferD3D::initializeStaticData() |
| { |
| if (!mStaticVertexBuffer) |
| { |
| mStaticVertexBuffer = new rx::StaticVertexBufferInterface(getRenderer()); |
| } |
| if (!mStaticIndexBuffer) |
| { |
| mStaticIndexBuffer = new rx::StaticIndexBufferInterface(getRenderer()); |
| } |
| } |
| |
| void BufferD3D::invalidateStaticData() |
| { |
| if ((mStaticVertexBuffer && mStaticVertexBuffer->getBufferSize() != 0) || (mStaticIndexBuffer && mStaticIndexBuffer->getBufferSize() != 0)) |
| { |
| SafeDelete(mStaticVertexBuffer); |
| SafeDelete(mStaticIndexBuffer); |
| } |
| |
| 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(); |
| } |
| } |
| } |
| |
| } |