| // |
| // 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/Context.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; |
| } |
| |
| size_t Buffer9::getSize() const |
| { |
| return mSize; |
| } |
| |
| bool Buffer9::supportsDirectBinding() const |
| { |
| return false; |
| } |
| |
| angle::Result Buffer9::setData(const gl::Context *context, |
| gl::BufferBinding target, |
| const void *data, |
| size_t size, |
| gl::BufferUsage usage) |
| { |
| if (size > mMemory.size()) |
| { |
| ANGLE_CHECK_GL_ALLOC(GetImplAs<Context9>(context), mMemory.resize(size)); |
| } |
| |
| mSize = size; |
| if (data && size > 0) |
| { |
| memcpy(mMemory.data(), data, size); |
| } |
| |
| updateD3DBufferUsage(context, usage); |
| |
| invalidateStaticData(context); |
| |
| return angle::Result::Continue; |
| } |
| |
| angle::Result Buffer9::getData(const gl::Context *context, const uint8_t **outData) |
| { |
| if (mMemory.empty()) |
| { |
| *outData = nullptr; |
| } |
| else |
| { |
| *outData = mMemory.data(); |
| } |
| return angle::Result::Continue; |
| } |
| |
| angle::Result Buffer9::setSubData(const gl::Context *context, |
| gl::BufferBinding target, |
| const void *data, |
| size_t size, |
| size_t offset) |
| { |
| if (offset + size > mMemory.size()) |
| { |
| ANGLE_CHECK_GL_ALLOC(GetImplAs<Context9>(context), mMemory.resize(size + offset)); |
| } |
| |
| mSize = std::max(mSize, offset + size); |
| if (data && size > 0) |
| { |
| memcpy(mMemory.data() + offset, data, size); |
| } |
| |
| invalidateStaticData(context); |
| |
| return angle::Result::Continue; |
| } |
| |
| angle::Result Buffer9::copySubData(const gl::Context *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(context); |
| |
| return angle::Result::Continue; |
| } |
| |
| // We do not support buffer mapping in D3D9 |
| angle::Result Buffer9::map(const gl::Context *context, GLenum access, void **mapPtr) |
| { |
| ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context)); |
| return angle::Result::Stop; |
| } |
| |
| angle::Result Buffer9::mapRange(const gl::Context *context, |
| size_t offset, |
| size_t length, |
| GLbitfield access, |
| void **mapPtr) |
| { |
| ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context)); |
| return angle::Result::Stop; |
| } |
| |
| angle::Result Buffer9::unmap(const gl::Context *context, GLboolean *result) |
| { |
| ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context)); |
| return angle::Result::Stop; |
| } |
| |
| angle::Result Buffer9::markTransformFeedbackUsage(const gl::Context *context) |
| { |
| ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context)); |
| return angle::Result::Stop; |
| } |
| |
| } // namespace rx |