| // |
| // 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 "libANGLE/renderer/d3d/d3d9/Buffer9.h" |
| #include "libANGLE/renderer/d3d/d3d9/Renderer9.h" |
| |
| namespace rx |
| { |
| |
| Buffer9::Buffer9(const gl::BufferState &state, Renderer9 *renderer) |
| : BufferD3D(state, renderer), mSize(0) |
| { |
| } |
| |
| Buffer9::~Buffer9() |
| { |
| mSize = 0; |
| } |
| |
| gl::Error Buffer9::setData(ContextImpl * /*context*/, |
| GLenum /*target*/, |
| 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 && size > 0) |
| { |
| memcpy(mMemory.data(), data, size); |
| } |
| |
| updateD3DBufferUsage(usage); |
| |
| invalidateStaticData(); |
| |
| return gl::NoError(); |
| } |
| |
| gl::Error Buffer9::getData(const uint8_t **outData) |
| { |
| *outData = mMemory.data(); |
| return gl::NoError(); |
| } |
| |
| gl::Error Buffer9::setSubData(ContextImpl * /*context*/, |
| GLenum /*target*/, |
| 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 && size > 0) |
| { |
| memcpy(mMemory.data() + offset, data, size); |
| } |
| |
| invalidateStaticData(); |
| |
| return gl::NoError(); |
| } |
| |
| gl::Error Buffer9::copySubData(ContextImpl *context, |
| BufferImpl *source, |
| GLintptr sourceOffset, |
| GLintptr destOffset, |
| GLsizeiptr size) |
| { |
| // Note: this method is currently unreachable |
| Buffer9 *sourceBuffer = GetAs<Buffer9>(source); |
| ASSERT(sourceBuffer); |
| |
| memcpy(mMemory.data() + destOffset, sourceBuffer->mMemory.data() + sourceOffset, size); |
| |
| invalidateStaticData(); |
| |
| return gl::NoError(); |
| } |
| |
| // We do not support buffer mapping in D3D9 |
| gl::Error Buffer9::map(ContextImpl *context, GLenum access, void **mapPtr) |
| { |
| UNREACHABLE(); |
| return gl::Error(GL_INVALID_OPERATION); |
| } |
| |
| gl::Error Buffer9::mapRange(ContextImpl *context, |
| size_t offset, |
| size_t length, |
| GLbitfield access, |
| void **mapPtr) |
| { |
| UNREACHABLE(); |
| return gl::Error(GL_INVALID_OPERATION); |
| } |
| |
| gl::Error Buffer9::unmap(ContextImpl *context, GLboolean *result) |
| { |
| UNREACHABLE(); |
| return gl::Error(GL_INVALID_OPERATION); |
| } |
| |
| gl::Error Buffer9::markTransformFeedbackUsage() |
| { |
| UNREACHABLE(); |
| return gl::Error(GL_INVALID_OPERATION); |
| } |
| |
| } // namespace rx |