blob: 83a5e511c7f2dc7d79ef37a3ac3790a246041c68 [file] [log] [blame]
// Copyright (c) 2012 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 "ppapi/shared_impl/ppb_graphics_3d_shared.h"
#include "base/logging.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "gpu/command_buffer/client/gles2_cmd_helper.h"
#include "gpu/command_buffer/client/gles2_implementation.h"
#include "gpu/command_buffer/client/shared_memory_limits.h"
#include "gpu/command_buffer/client/transfer_buffer.h"
#include "gpu/command_buffer/common/sync_token.h"
#include "ppapi/c/pp_errors.h"
namespace ppapi {
PPB_Graphics3D_Shared::PPB_Graphics3D_Shared(PP_Instance instance)
: Resource(OBJECT_IS_IMPL, instance) {}
PPB_Graphics3D_Shared::PPB_Graphics3D_Shared(const HostResource& host_resource,
const gfx::Size& size)
: Resource(OBJECT_IS_PROXY, host_resource), size_(size) {}
PPB_Graphics3D_Shared::~PPB_Graphics3D_Shared() {
// Make sure that GLES2 implementation has already been destroyed.
DCHECK(!gles2_helper_.get());
DCHECK(!transfer_buffer_.get());
DCHECK(!gles2_impl_.get());
}
thunk::PPB_Graphics3D_API* PPB_Graphics3D_Shared::AsPPB_Graphics3D_API() {
return this;
}
int32_t PPB_Graphics3D_Shared::GetAttribs(int32_t attrib_list[]) {
// TODO(alokp): Implement me.
return PP_ERROR_FAILED;
}
int32_t PPB_Graphics3D_Shared::SetAttribs(const int32_t attrib_list[]) {
// TODO(alokp): Implement me.
return PP_ERROR_FAILED;
}
int32_t PPB_Graphics3D_Shared::GetError() {
// TODO(alokp): Implement me.
return PP_ERROR_FAILED;
}
int32_t PPB_Graphics3D_Shared::ResizeBuffers(int32_t width, int32_t height) {
if ((width < 0) || (height < 0))
return PP_ERROR_BADARGUMENT;
gles2_impl()->ResizeCHROMIUM(width, height, 1.f,
GL_COLOR_SPACE_UNSPECIFIED_CHROMIUM, true);
size_ = gfx::Size(width, height);
// TODO(alokp): Check if resize succeeded and return appropriate error code.
return PP_OK;
}
int32_t PPB_Graphics3D_Shared::SwapBuffers(
scoped_refptr<TrackedCallback> callback) {
return SwapBuffersWithSyncToken(callback, gpu::SyncToken(), size_);
}
int32_t PPB_Graphics3D_Shared::SwapBuffersWithSyncToken(
scoped_refptr<TrackedCallback> callback,
const gpu::SyncToken& sync_token,
const gfx::Size& size) {
if (HasPendingSwap()) {
Log(PP_LOGLEVEL_ERROR,
"PPB_Graphics3D.SwapBuffers: Plugin attempted swap "
"with previous swap still pending.");
// Already a pending SwapBuffers that hasn't returned yet.
return PP_ERROR_INPROGRESS;
}
swap_callback_ = callback;
return DoSwapBuffers(sync_token, size);
}
int32_t PPB_Graphics3D_Shared::GetAttribMaxValue(int32_t attribute,
int32_t* value) {
// TODO(alokp): Implement me.
return PP_ERROR_FAILED;
}
void* PPB_Graphics3D_Shared::MapTexSubImage2DCHROMIUM(GLenum target,
GLint level,
GLint xoffset,
GLint yoffset,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
GLenum access) {
return gles2_impl_->MapTexSubImage2DCHROMIUM(
target, level, xoffset, yoffset, width, height, format, type, access);
}
void PPB_Graphics3D_Shared::UnmapTexSubImage2DCHROMIUM(const void* mem) {
gles2_impl_->UnmapTexSubImage2DCHROMIUM(mem);
}
gpu::gles2::GLES2Interface* PPB_Graphics3D_Shared::gles2_interface() {
return gles2_impl_.get();
}
void PPB_Graphics3D_Shared::SwapBuffersACK(int32_t pp_error) {
DCHECK(HasPendingSwap());
swap_callback_->Run(pp_error);
}
bool PPB_Graphics3D_Shared::HasPendingSwap() const {
return TrackedCallback::IsPending(swap_callback_);
}
bool PPB_Graphics3D_Shared::CreateGLES2Impl(
int32_t command_buffer_size,
int32_t transfer_buffer_size,
gpu::gles2::GLES2Implementation* share_gles2) {
gpu::CommandBuffer* command_buffer = GetCommandBuffer();
DCHECK(command_buffer);
// Create the GLES2 helper, which writes the command buffer protocol.
gles2_helper_.reset(new gpu::gles2::GLES2CmdHelper(command_buffer));
if (!gles2_helper_->Initialize(command_buffer_size))
return false;
// Create a transfer buffer used to copy resources between the renderer
// process and the GPU process.
const int32_t kMinTransferBufferSize = 256 * 1024;
const int32_t kMaxTransferBufferSize = 16 * 1024 * 1024;
transfer_buffer_.reset(new gpu::TransferBuffer(gles2_helper_.get()));
const bool bind_creates_resources = true;
const bool lose_context_when_out_of_memory = false;
const bool support_client_side_arrays = true;
// Create the object exposing the OpenGL API.
gles2_impl_.reset(new gpu::gles2::GLES2Implementation(
gles2_helper_.get(),
share_gles2 ? share_gles2->share_group() : NULL,
transfer_buffer_.get(),
bind_creates_resources,
lose_context_when_out_of_memory,
support_client_side_arrays,
GetGpuControl()));
if (!gles2_impl_->Initialize(
transfer_buffer_size, kMinTransferBufferSize,
std::max(kMaxTransferBufferSize, transfer_buffer_size),
gpu::SharedMemoryLimits::kNoLimit)) {
return false;
}
gles2_impl_->TraceBeginCHROMIUM("gpu_toplevel", "PPAPIContext");
return true;
}
void PPB_Graphics3D_Shared::DestroyGLES2Impl() {
gles2_impl_.reset();
transfer_buffer_.reset();
gles2_helper_.reset();
}
} // namespace ppapi