diff options
author | Andrew Knight <andrew.knight@digia.com> | 2014-08-05 12:59:44 +0300 |
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committer | Andrew Knight <andrew.knight@digia.com> | 2014-08-05 16:43:22 +0200 |
commit | a6a12d8c0fc918972c15268f749ecc7c90b95d6c (patch) | |
tree | cb6d986d30ef97e932ab51768854d5d9b46729d3 /src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/IndexBuffer11.cpp | |
parent | 14f9c09542bd6cc19430473da9ce4c68f239ec7d (diff) |
ANGLE: upgrade to 2.1~07d49ef5350a
This version of ANGLE provides partial ES3 support, numerous
bug fixes, and several potentially useful vendor extensions.
All patches have been rebased. The following changes are noted:
0000-General-fixes-for-ANGLE-2.1.patch
contains compile fixes for the new ANGLE
0004-Make-it-possible-to-link-ANGLE-statically-for-single.patch
has incorporated patch 0015.
0007-Make-DX9-DX11-mutually-exclusive.patch
has been removed as it was fixed upstream.
0007-Fix-ANGLE-build-with-Microsoft-Visual-Studio-14-CTP.patch
has been moved up to fill the patch number gap.
0010-ANGLE-Enable-D3D11-for-feature-level-9-cards.patch
now contains patch 0014 and 0017.
0013-ANGLE-Allow-for-universal-program-binaries.patch
has been removed as it is no longer relevant.
0014-ANGLE-D3D11-Fix-internal-index-buffer-for-level-9-ha.patch
has been merged with patch 0010.
0015-ANGLE-Don-t-export-DLLMain-functions-for-static-buil.patch
has been merged with patch 0004.
0016-ANGLE-WinRT-Call-Trim-when-application-suspends.patch
has been removed and will be replaced by a follow-up patch using a
different technique.
0017-ANGLE-D3D11-Don-t-use-mipmaps-in-level-9-textures.patch
has been merged with patch 0010.
0018-ANGLE-WinRT-Create-swap-chain-using-physical-resolut.patch
has been removed and will be replaced by a follow-up patch extending
the EGL_ANGLE_window_fixed_size extension.
0019-Fix-ANGLE-build-with-Microsoft-Visual-Studio-14-CTP.patch
is now patch 0007.
[ChangeLog][Third-party libraries] ANGLE has been upgraded to
version 2.1, bringing partial support for OpenGL ES3 over
Direct3D 11, numerous bug fixes, and several new vendor extensions.
Change-Id: I6d95ce1480462d67228d83c1e5c74a1706b5b21c
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/IndexBuffer11.cpp')
-rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/IndexBuffer11.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/IndexBuffer11.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/IndexBuffer11.cpp new file mode 100644 index 0000000000..03e4e6611b --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/IndexBuffer11.cpp @@ -0,0 +1,175 @@ +#include "precompiled.h" +// +// Copyright (c) 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. +// + +// IndexBuffer11.cpp: Defines the D3D11 IndexBuffer implementation. + +#include "libGLESv2/renderer/d3d/d3d11/IndexBuffer11.h" +#include "libGLESv2/renderer/d3d/d3d11/Renderer11.h" + +namespace rx +{ + +IndexBuffer11::IndexBuffer11(Renderer11 *const renderer) : mRenderer(renderer) +{ + mBuffer = NULL; + mBufferSize = 0; + mDynamicUsage = false; +} + +IndexBuffer11::~IndexBuffer11() +{ + SafeRelease(mBuffer); +} + +bool IndexBuffer11::initialize(unsigned int bufferSize, GLenum indexType, bool dynamic) +{ + SafeRelease(mBuffer); + + updateSerial(); + + if (bufferSize > 0) + { + ID3D11Device* dxDevice = mRenderer->getDevice(); + + D3D11_BUFFER_DESC bufferDesc; + bufferDesc.ByteWidth = bufferSize; + bufferDesc.Usage = D3D11_USAGE_DYNAMIC; + bufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER; + bufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; + bufferDesc.MiscFlags = 0; + bufferDesc.StructureByteStride = 0; + + HRESULT result = dxDevice->CreateBuffer(&bufferDesc, NULL, &mBuffer); + if (FAILED(result)) + { + return false; + } + } + + mBufferSize = bufferSize; + mIndexType = indexType; + mDynamicUsage = dynamic; + + return true; +} + +IndexBuffer11 *IndexBuffer11::makeIndexBuffer11(IndexBuffer *indexBuffer) +{ + ASSERT(HAS_DYNAMIC_TYPE(IndexBuffer11*, indexBuffer)); + return static_cast<IndexBuffer11*>(indexBuffer); +} + +bool IndexBuffer11::mapBuffer(unsigned int offset, unsigned int size, void** outMappedMemory) +{ + if (mBuffer) + { + // Check for integer overflows and out-out-bounds map requests + if (offset + size < offset || offset + size > mBufferSize) + { + ERR("Index buffer map range is not inside the buffer."); + return false; + } + + ID3D11DeviceContext *dxContext = mRenderer->getDeviceContext(); + + D3D11_MAPPED_SUBRESOURCE mappedResource; + HRESULT result = dxContext->Map(mBuffer, 0, D3D11_MAP_WRITE_NO_OVERWRITE, 0, &mappedResource); + if (FAILED(result)) + { + ERR("Index buffer map failed with error 0x%08x", result); + return false; + } + + *outMappedMemory = reinterpret_cast<char*>(mappedResource.pData) + offset; + return true; + } + else + { + ERR("Index buffer not initialized."); + return false; + } +} + +bool IndexBuffer11::unmapBuffer() +{ + if (mBuffer) + { + ID3D11DeviceContext *dxContext = mRenderer->getDeviceContext(); + dxContext->Unmap(mBuffer, 0); + return true; + } + else + { + ERR("Index buffer not initialized."); + return false; + } +} + +GLenum IndexBuffer11::getIndexType() const +{ + return mIndexType; +} + +unsigned int IndexBuffer11::getBufferSize() const +{ + return mBufferSize; +} + +bool IndexBuffer11::setSize(unsigned int bufferSize, GLenum indexType) +{ + if (bufferSize > mBufferSize || indexType != mIndexType) + { + return initialize(bufferSize, indexType, mDynamicUsage); + } + else + { + return true; + } +} + +bool IndexBuffer11::discard() +{ + if (mBuffer) + { + ID3D11DeviceContext *dxContext = mRenderer->getDeviceContext(); + + D3D11_MAPPED_SUBRESOURCE mappedResource; + HRESULT result = dxContext->Map(mBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource); + if (FAILED(result)) + { + ERR("Index buffer map failed with error 0x%08x", result); + return false; + } + + dxContext->Unmap(mBuffer, 0); + + return true; + } + else + { + ERR("Index buffer not initialized."); + return false; + } +} + +DXGI_FORMAT IndexBuffer11::getIndexFormat() const +{ + switch (mIndexType) + { + case GL_UNSIGNED_BYTE: return DXGI_FORMAT_R16_UINT; + case GL_UNSIGNED_SHORT: return DXGI_FORMAT_R16_UINT; + case GL_UNSIGNED_INT: return DXGI_FORMAT_R32_UINT; + default: UNREACHABLE(); return DXGI_FORMAT_UNKNOWN; + } +} + +ID3D11Buffer *IndexBuffer11::getBuffer() const +{ + return mBuffer; +} + +}
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