| // |
| // 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. |
| // |
| |
| // Buffer9.cpp Defines the Buffer9 class. |
| |
| #include "libGLESv2/renderer/d3d/d3d9/Buffer9.h" |
| #include "libGLESv2/renderer/d3d/d3d9/Renderer9.h" |
| #include "libGLESv2/main.h" |
| |
| namespace rx |
| { |
| |
| Buffer9::Buffer9(rx::Renderer9 *renderer) |
| : BufferD3D(), |
| mRenderer(renderer), |
| mSize(0) |
| {} |
| |
| Buffer9::~Buffer9() |
| { |
| mSize = 0; |
| } |
| |
| Buffer9 *Buffer9::makeBuffer9(BufferImpl *buffer) |
| { |
| ASSERT(HAS_DYNAMIC_TYPE(Buffer9*, buffer)); |
| return static_cast<Buffer9*>(buffer); |
| } |
| |
| gl::Error Buffer9::setData(const void* data, size_t size, GLenum usage) |
| { |
| if (size > mMemory.size()) |
| { |
| if (!mMemory.resize(size)) |
| { |
| return gl::Error(GL_OUT_OF_MEMORY, "Failed to resize internal buffer."); |
| } |
| } |
| |
| mSize = size; |
| if (data) |
| { |
| memcpy(mMemory.data(), data, size); |
| } |
| |
| invalidateStaticData(); |
| |
| if (usage == GL_STATIC_DRAW) |
| { |
| initializeStaticData(); |
| } |
| |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| void *Buffer9::getData() |
| { |
| return mMemory.data(); |
| } |
| |
| gl::Error Buffer9::setSubData(const void* data, size_t size, size_t offset) |
| { |
| if (offset + size > mMemory.size()) |
| { |
| if (!mMemory.resize(offset + size)) |
| { |
| return gl::Error(GL_OUT_OF_MEMORY, "Failed to resize internal buffer."); |
| } |
| } |
| |
| mSize = std::max(mSize, offset + size); |
| if (data) |
| { |
| memcpy(mMemory.data() + offset, data, size); |
| } |
| |
| invalidateStaticData(); |
| |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| gl::Error Buffer9::copySubData(BufferImpl* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size) |
| { |
| // Note: this method is currently unreachable |
| Buffer9* sourceBuffer = makeBuffer9(source); |
| ASSERT(sourceBuffer); |
| |
| memcpy(mMemory.data() + destOffset, sourceBuffer->mMemory.data() + sourceOffset, size); |
| |
| invalidateStaticData(); |
| |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| // We do not support buffer mapping in D3D9 |
| gl::Error Buffer9::map(size_t offset, size_t length, GLbitfield access, GLvoid **mapPtr) |
| { |
| UNREACHABLE(); |
| return gl::Error(GL_INVALID_OPERATION); |
| } |
| |
| gl::Error Buffer9::unmap() |
| { |
| UNREACHABLE(); |
| return gl::Error(GL_INVALID_OPERATION); |
| } |
| |
| void Buffer9::markTransformFeedbackUsage() |
| { |
| UNREACHABLE(); |
| } |
| |
| Renderer* Buffer9::getRenderer() |
| { |
| return mRenderer; |
| } |
| |
| } |