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Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/d3d9/IndexBuffer9.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/d3d9/IndexBuffer9.cpp | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d9/IndexBuffer9.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/d3d9/IndexBuffer9.cpp new file mode 100644 index 0000000000..7cb5d13a18 --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d9/IndexBuffer9.cpp @@ -0,0 +1,207 @@ +#include "precompiled.h" +// +// Copyright (c) 2002-2012 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. +// + +// Indexffer9.cpp: Defines the D3D9 IndexBuffer implementation. + +#include "libGLESv2/renderer/d3d9/IndexBuffer9.h" +#include "libGLESv2/renderer/d3d9/Renderer9.h" + +namespace rx +{ + +IndexBuffer9::IndexBuffer9(Renderer9 *const renderer) : mRenderer(renderer) +{ + mIndexBuffer = NULL; + mBufferSize = 0; + mIndexType = 0; + mDynamic = false; +} + +IndexBuffer9::~IndexBuffer9() +{ + if (mIndexBuffer) + { + mIndexBuffer->Release(); + mIndexBuffer = NULL; + } +} + +bool IndexBuffer9::initialize(unsigned int bufferSize, GLenum indexType, bool dynamic) +{ + if (mIndexBuffer) + { + mIndexBuffer->Release(); + mIndexBuffer = NULL; + } + + updateSerial(); + + if (bufferSize > 0) + { + D3DFORMAT format; + if (indexType == GL_UNSIGNED_SHORT || indexType == GL_UNSIGNED_BYTE) + { + format = D3DFMT_INDEX16; + } + else if (indexType == GL_UNSIGNED_INT) + { + if (mRenderer->get32BitIndexSupport()) + { + format = D3DFMT_INDEX32; + } + else + { + ERR("Attempted to create a 32-bit index buffer but renderer does not support 32-bit indices."); + return false; + } + } + else + { + ERR("Invalid index type %u.", indexType); + return false; + } + + DWORD usageFlags = D3DUSAGE_WRITEONLY; + if (dynamic) + { + usageFlags |= D3DUSAGE_DYNAMIC; + } + + HRESULT result = mRenderer->createIndexBuffer(bufferSize, usageFlags, format, &mIndexBuffer); + if (FAILED(result)) + { + ERR("Failed to create an index buffer of size %u, result: 0x%08x.", mBufferSize, result); + return false; + } + } + + mBufferSize = bufferSize; + mIndexType = indexType; + mDynamic = dynamic; + + return true; +} + +IndexBuffer9 *IndexBuffer9::makeIndexBuffer9(IndexBuffer *indexBuffer) +{ + ASSERT(HAS_DYNAMIC_TYPE(IndexBuffer9*, indexBuffer)); + return static_cast<IndexBuffer9*>(indexBuffer); +} + +bool IndexBuffer9::mapBuffer(unsigned int offset, unsigned int size, void** outMappedMemory) +{ + if (mIndexBuffer) + { + DWORD lockFlags = mDynamic ? D3DLOCK_NOOVERWRITE : 0; + + void *mapPtr = NULL; + HRESULT result = mIndexBuffer->Lock(offset, size, &mapPtr, lockFlags); + if (FAILED(result)) + { + ERR("Index buffer lock failed with error 0x%08x", result); + return false; + } + + *outMappedMemory = mapPtr; + return true; + } + else + { + ERR("Index buffer not initialized."); + return false; + } +} + +bool IndexBuffer9::unmapBuffer() +{ + if (mIndexBuffer) + { + HRESULT result = mIndexBuffer->Unlock(); + if (FAILED(result)) + { + ERR("Index buffer unlock failed with error 0x%08x", result); + return false; + } + + return true; + } + else + { + ERR("Index buffer not initialized."); + return false; + } +} + +GLenum IndexBuffer9::getIndexType() const +{ + return mIndexType; +} + +unsigned int IndexBuffer9::getBufferSize() const +{ + return mBufferSize; +} + +bool IndexBuffer9::setSize(unsigned int bufferSize, GLenum indexType) +{ + if (bufferSize > mBufferSize || indexType != mIndexType) + { + return initialize(bufferSize, indexType, mDynamic); + } + else + { + return true; + } +} + +bool IndexBuffer9::discard() +{ + if (mIndexBuffer) + { + void *dummy; + HRESULT result; + + result = mIndexBuffer->Lock(0, 1, &dummy, D3DLOCK_DISCARD); + if (FAILED(result)) + { + ERR("Discard lock failed with error 0x%08x", result); + return false; + } + + result = mIndexBuffer->Unlock(); + if (FAILED(result)) + { + ERR("Discard unlock failed with error 0x%08x", result); + return false; + } + + return true; + } + else + { + ERR("Index buffer not initialized."); + return false; + } +} + +D3DFORMAT IndexBuffer9::getIndexFormat() const +{ + switch (mIndexType) + { + case GL_UNSIGNED_BYTE: return D3DFMT_INDEX16; + case GL_UNSIGNED_SHORT: return D3DFMT_INDEX16; + case GL_UNSIGNED_INT: return D3DFMT_INDEX32; + default: UNREACHABLE(); return D3DFMT_UNKNOWN; + } +} + +IDirect3DIndexBuffer9 * IndexBuffer9::getBuffer() const +{ + return mIndexBuffer; +} + +}
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