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Diffstat (limited to 'gpu/pgl/pgl.cc')
-rw-r--r-- | gpu/pgl/pgl.cc | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/gpu/pgl/pgl.cc b/gpu/pgl/pgl.cc deleted file mode 100644 index 320dfff..0000000 --- a/gpu/pgl/pgl.cc +++ /dev/null @@ -1,161 +0,0 @@ -// 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/client/gles2_cmd_helper.h" -#include "gpu/command_buffer/client/gles2_implementation.h" -#include "gpu/command_buffer/client/gles2_lib.h" -#include "gpu/pgl/command_buffer_pepper.h" -#include "gpu/pgl/pgl.h" - -#if defined(_MSC_VER) -#define THREAD_LOCAL __declspec(thread) -#else -#define THREAD_LOCAL __thread -#endif - -namespace { -const int32 kTransferBufferSize = 512 * 1024; - -class PGLContextImpl { - public: - PGLContextImpl(NPP npp, - NPDevice* device, - NPDeviceContext3D* device_context); - ~PGLContextImpl(); - - // Initlaize a PGL context with a transfer buffer of a particular size. - bool Initialize(int32 transfer_buffer_size); - - // Destroy all resources associated with the PGL context. - void Destroy(); - - // Make a PGL context current for the calling thread. - static bool MakeCurrent(PGLContextImpl* pgl_context); - - // Display all content rendered since last call to SwapBuffers. - bool SwapBuffers(); - - private: - PGLContextImpl(const PGLContextImpl&); - void operator=(const PGLContextImpl&); - - NPP npp_; - NPDevice* device_; - NPDeviceContext3D* device_context_; - CommandBufferPepper* command_buffer_; - gpu::gles2::GLES2CmdHelper* gles2_helper_; - int32 transfer_buffer_id_; - gpu::gles2::GLES2Implementation* gles2_implementation_; -}; - -THREAD_LOCAL PGLContextImpl* g_current_pgl_context; - -PGLContextImpl::PGLContextImpl(NPP npp, - NPDevice* device, - NPDeviceContext3D* device_context) - : npp_(npp), - device_(device), - device_context_(device_context), - command_buffer_(NULL), - gles2_helper_(NULL), - transfer_buffer_id_(0), - gles2_implementation_(NULL) { -} - -PGLContextImpl::~PGLContextImpl() { - Destroy(); -} - -bool PGLContextImpl::Initialize(int32 transfer_buffer_size) { - // Create and initialize the objects required to issue GLES2 calls. - command_buffer_ = new CommandBufferPepper( - npp_, device_, device_context_); - gles2_helper_ = new gpu::gles2::GLES2CmdHelper(command_buffer_); - if (gles2_helper_->Initialize()) { - transfer_buffer_id_ = - command_buffer_->CreateTransferBuffer(kTransferBufferSize); - gpu::Buffer transfer_buffer = - command_buffer_->GetTransferBuffer(transfer_buffer_id_); - if (transfer_buffer.ptr) { - gles2_implementation_ = new gpu::gles2::GLES2Implementation( - gles2_helper_, - transfer_buffer.size, - transfer_buffer.ptr, - transfer_buffer_id_); - return true; - } - } - - // Tear everything down if initialization failed. - Destroy(); - return false; -} - -void PGLContextImpl::Destroy() { - delete gles2_implementation_; - gles2_implementation_ = NULL; - - if (command_buffer_ && transfer_buffer_id_ != 0) { - command_buffer_->DestroyTransferBuffer(transfer_buffer_id_); - transfer_buffer_id_ = 0; - } - - delete gles2_helper_; - gles2_helper_ = NULL; - - delete command_buffer_; - command_buffer_ = NULL; -} - -bool PGLContextImpl::MakeCurrent(PGLContextImpl* pgl_context) { - g_current_pgl_context = pgl_context; - if (pgl_context) - gles2::g_gl_impl = pgl_context->gles2_implementation_; - else - gles2::g_gl_impl = NULL; - - return true; -} - -bool PGLContextImpl::SwapBuffers() { - gles2_implementation_->SwapBuffers(); - return true; -} -} // namespace anonymous - -extern "C" { - -PGLContext pglCreateContext(NPP npp, - NPDevice* device, - NPDeviceContext3D* device_context) { - PGLContextImpl* pgl_context = new PGLContextImpl( - npp, device, device_context); - if (pgl_context->Initialize(kTransferBufferSize)) { - return pgl_context; - } - - delete pgl_context; - return NULL; -} - -PGLBoolean pglMakeCurrent(PGLContext pgl_context) { - return PGLContextImpl::MakeCurrent(static_cast<PGLContextImpl*>(pgl_context)); -} - -PGLBoolean pglSwapBuffers() { - if (!g_current_pgl_context) - return false; - - return g_current_pgl_context->SwapBuffers(); -} - -PGLBoolean pglDestroyContext(PGLContext pgl_context) { - if (!pgl_context) - return false; - - delete pgl_context; - return true; -} - -} // extern "C" |