| // |
| // 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. |
| // |
| |
| // VertexBuffer9.cpp: Defines the D3D9 VertexBuffer implementation. |
| |
| #include "libANGLE/renderer/d3d/d3d9/VertexBuffer9.h" |
| #include "libANGLE/renderer/d3d/d3d9/Renderer9.h" |
| #include "libANGLE/renderer/d3d/d3d9/formatutils9.h" |
| #include "libANGLE/renderer/d3d/d3d9/vertexconversion.h" |
| #include "libANGLE/renderer/d3d/BufferD3D.h" |
| #include "libANGLE/VertexAttribute.h" |
| #include "libANGLE/Buffer.h" |
| |
| namespace rx |
| { |
| |
| VertexBuffer9::VertexBuffer9(Renderer9 *renderer) : mRenderer(renderer) |
| { |
| mVertexBuffer = nullptr; |
| mBufferSize = 0; |
| mDynamicUsage = false; |
| } |
| |
| VertexBuffer9::~VertexBuffer9() |
| { |
| SafeRelease(mVertexBuffer); |
| } |
| |
| gl::Error VertexBuffer9::initialize(unsigned int size, bool dynamicUsage) |
| { |
| SafeRelease(mVertexBuffer); |
| |
| updateSerial(); |
| |
| if (size > 0) |
| { |
| DWORD flags = D3DUSAGE_WRITEONLY; |
| if (dynamicUsage) |
| { |
| flags |= D3DUSAGE_DYNAMIC; |
| } |
| |
| HRESULT result = mRenderer->createVertexBuffer(size, flags, &mVertexBuffer); |
| |
| if (FAILED(result)) |
| { |
| return gl::Error(GL_OUT_OF_MEMORY, "Failed to allocate internal vertex buffer of size, %lu.", size); |
| } |
| } |
| |
| mBufferSize = size; |
| mDynamicUsage = dynamicUsage; |
| return gl::NoError(); |
| } |
| |
| gl::Error VertexBuffer9::storeVertexAttributes(const gl::VertexAttribute &attrib, |
| const gl::VertexBinding &binding, |
| GLenum currentValueType, |
| GLint start, |
| GLsizei count, |
| GLsizei instances, |
| unsigned int offset, |
| const uint8_t *sourceData) |
| { |
| if (!mVertexBuffer) |
| { |
| return gl::Error(GL_OUT_OF_MEMORY, "Internal vertex buffer is not initialized."); |
| } |
| |
| int inputStride = static_cast<int>(gl::ComputeVertexAttributeStride(attrib, binding)); |
| int elementSize = static_cast<int>(gl::ComputeVertexAttributeTypeSize(attrib)); |
| |
| DWORD lockFlags = mDynamicUsage ? D3DLOCK_NOOVERWRITE : 0; |
| |
| uint8_t *mapPtr = nullptr; |
| |
| auto errorOrMapSize = mRenderer->getVertexSpaceRequired(attrib, binding, count, instances); |
| if (errorOrMapSize.isError()) |
| { |
| return errorOrMapSize.getError(); |
| } |
| |
| unsigned int mapSize = errorOrMapSize.getResult(); |
| |
| HRESULT result = mVertexBuffer->Lock(offset, mapSize, reinterpret_cast<void**>(&mapPtr), lockFlags); |
| if (FAILED(result)) |
| { |
| return gl::Error(GL_OUT_OF_MEMORY, "Failed to lock internal vertex buffer, HRESULT: 0x%08x.", result); |
| } |
| |
| const uint8_t *input = sourceData; |
| |
| if (instances == 0 || binding.divisor == 0) |
| { |
| input += inputStride * start; |
| } |
| |
| gl::VertexFormatType vertexFormatType = gl::GetVertexFormatType(attrib, currentValueType); |
| const d3d9::VertexFormat &d3dVertexInfo = d3d9::GetVertexFormatInfo(mRenderer->getCapsDeclTypes(), vertexFormatType); |
| bool needsConversion = (d3dVertexInfo.conversionType & VERTEX_CONVERT_CPU) > 0; |
| |
| if (!needsConversion && inputStride == elementSize) |
| { |
| size_t copySize = static_cast<size_t>(count) * static_cast<size_t>(inputStride); |
| memcpy(mapPtr, input, copySize); |
| } |
| else |
| { |
| d3dVertexInfo.copyFunction(input, inputStride, count, mapPtr); |
| } |
| |
| mVertexBuffer->Unlock(); |
| |
| return gl::NoError(); |
| } |
| |
| unsigned int VertexBuffer9::getBufferSize() const |
| { |
| return mBufferSize; |
| } |
| |
| gl::Error VertexBuffer9::setBufferSize(unsigned int size) |
| { |
| if (size > mBufferSize) |
| { |
| return initialize(size, mDynamicUsage); |
| } |
| else |
| { |
| return gl::NoError(); |
| } |
| } |
| |
| gl::Error VertexBuffer9::discard() |
| { |
| if (!mVertexBuffer) |
| { |
| return gl::Error(GL_OUT_OF_MEMORY, "Internal vertex buffer is not initialized."); |
| } |
| |
| void *dummy; |
| HRESULT result; |
| |
| result = mVertexBuffer->Lock(0, 1, &dummy, D3DLOCK_DISCARD); |
| if (FAILED(result)) |
| { |
| return gl::Error(GL_OUT_OF_MEMORY, "Failed to lock internal buffer for discarding, HRESULT: 0x%08x", result); |
| } |
| |
| result = mVertexBuffer->Unlock(); |
| if (FAILED(result)) |
| { |
| return gl::Error(GL_OUT_OF_MEMORY, "Failed to unlock internal buffer for discarding, HRESULT: 0x%08x", result); |
| } |
| |
| return gl::NoError(); |
| } |
| |
| IDirect3DVertexBuffer9 * VertexBuffer9::getBuffer() const |
| { |
| return mVertexBuffer; |
| } |
| } // namespace rx |