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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/common/constants.h"
#include "gpu/pgl/command_buffer_pepper.h"
#ifdef __native_client__
#include <assert.h>
#define NOTREACHED() assert(0)
#else
#include "base/logging.h"
#endif // __native_client__
using base::SharedMemory;
using gpu::Buffer;
using gpu::CommandBuffer;
CommandBufferPepper::CommandBufferPepper(NPP npp,
NPDevice* device,
NPDeviceContext3D* context)
: npp_(npp),
device_(device),
context_(context) {
}
CommandBufferPepper::~CommandBufferPepper() {
}
// Not implemented in CommandBufferPepper.
bool CommandBufferPepper::Initialize(int32 size) {
NOTREACHED();
return false;
}
Buffer CommandBufferPepper::GetRingBuffer() {
Buffer buffer;
buffer.ptr = context_->commandBuffer;
buffer.size = context_->commandBufferSize * sizeof(int32);
return buffer;
}
CommandBuffer::State CommandBufferPepper::GetState() {
if (NPERR_NO_ERROR != device_->flushContext(npp_, context_, NULL, NULL))
context_->error = NPDeviceContext3DError_GenericError;
return ConvertState();
}
CommandBuffer::State CommandBufferPepper::Flush(int32 put_offset) {
context_->putOffset = put_offset;
if (NPERR_NO_ERROR != device_->flushContext(npp_, context_, NULL, NULL))
context_->error = NPDeviceContext3DError_GenericError;
return ConvertState();
}
void CommandBufferPepper::SetGetOffset(int32 get_offset) {
// Not implemented by proxy.
NOTREACHED();
}
int32 CommandBufferPepper::CreateTransferBuffer(size_t size) {
int32 id;
if (NPERR_NO_ERROR != device_->createBuffer(npp_, context_, size, &id))
return -1;
return id;
}
void CommandBufferPepper::DestroyTransferBuffer(int32 id) {
device_->destroyBuffer(npp_, context_, id);
}
Buffer CommandBufferPepper::GetTransferBuffer(int32 id) {
NPDeviceBuffer np_buffer;
if (NPERR_NO_ERROR != device_->mapBuffer(npp_, context_, id, &np_buffer))
return Buffer();
Buffer buffer;
buffer.ptr = np_buffer.ptr;
buffer.size = np_buffer.size;
return buffer;
}
void CommandBufferPepper::SetToken(int32 token) {
// Not implemented by proxy.
NOTREACHED();
}
void CommandBufferPepper::SetParseError(
gpu::error::Error error) {
// Not implemented by proxy.
NOTREACHED();
}
CommandBuffer::State CommandBufferPepper::ConvertState() {
CommandBuffer::State state;
state.size = context_->commandBufferSize;
state.get_offset = context_->getOffset;
state.put_offset = context_->putOffset;
state.token = context_->token;
state.error = static_cast<gpu::error::Error>(
context_->error);
return state;
}
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