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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/pgl/command_buffer_pepper.h"
#include "gpu/command_buffer/common/logging.h"
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;
#if defined(ENABLE_NEW_NPDEVICE_API)
NPDeviceBuffer np_buffer;
device_->mapBuffer(npp_,
context_,
NP3DCommandBufferId,
&np_buffer);
buffer.ptr = np_buffer.ptr;
buffer.size = np_buffer.size;
#else
buffer.ptr = context_->commandBuffer;
buffer.size = context_->commandBufferSize * sizeof(int32);
#endif
return buffer;
}
CommandBuffer::State CommandBufferPepper::GetState() {
#if defined(ENABLE_NEW_NPDEVICE_API)
int32 output_attribs[] = {
NP3DAttrib_CommandBufferSize, 0,
NP3DAttrib_GetOffset, 0,
NP3DAttrib_PutOffset, 0,
NP3DAttrib_Token, 0,
NPAttrib_Error, 0,
NPAttrib_End
};
device_->synchronizeContext(npp_,
context_,
NPDeviceSynchronizationMode_Immediate,
NULL,
output_attribs,
NULL,
NULL);
CommandBuffer::State state;
state.size = output_attribs[1];
state.get_offset = output_attribs[3];
state.put_offset = output_attribs[5];
state.token = output_attribs[7];
state.error = static_cast<gpu::error::Error>(
output_attribs[9]);
return state;
#else
context_->waitForProgress = false;
if (NPERR_NO_ERROR != device_->flushContext(npp_, context_, NULL, NULL))
context_->error = NPDeviceContext3DError_GenericError;
context_->waitForProgress = true;
return ConvertState();
#endif // ENABLE_NEW_NPDEVICE_API
}
CommandBuffer::State CommandBufferPepper::Flush(int32 put_offset) {
#if defined(ENABLE_NEW_NPDEVICE_API)
int32 input_attribs[] = {
NP3DAttrib_PutOffset, put_offset,
NPAttrib_End
};
int32 output_attribs[] = {
NP3DAttrib_CommandBufferSize, 0,
NP3DAttrib_GetOffset, 0,
NP3DAttrib_PutOffset, 0,
NP3DAttrib_Token, 0,
NPAttrib_Error, 0,
NPAttrib_End
};
device_->synchronizeContext(npp_,
context_,
NPDeviceSynchronizationMode_Flush,
input_attribs,
output_attribs,
NULL,
NULL);
CommandBuffer::State state;
state.size = output_attribs[1];
state.get_offset = output_attribs[3];
state.put_offset = output_attribs[5];
state.token = output_attribs[7];
state.error = static_cast<gpu::error::Error>(
output_attribs[9]);
return state;
#else
context_->waitForProgress = true;
context_->putOffset = put_offset;
if (NPERR_NO_ERROR != device_->flushContext(npp_, context_, NULL, NULL))
context_->error = NPDeviceContext3DError_GenericError;
return ConvertState();
#endif // ENABLE_NEW_NPDEVICE_API
}
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();
}
gpu::error::Error CommandBufferPepper::GetCachedError() {
int32 attrib_list[] = {
NPAttrib_Error, 0,
NPAttrib_End
};
device_->synchronizeContext(npp_,
context_,
NPDeviceSynchronizationMode_Cached,
NULL,
attrib_list,
NULL,
NULL);
return static_cast<gpu::error::Error>(attrib_list[1]);
}
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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