Index: content/common/gpu/client/gpu_memory_buffer_impl_shm.cc |
diff --git a/content/common/gpu/client/gpu_memory_buffer_impl_shm.cc b/content/common/gpu/client/gpu_memory_buffer_impl_shm.cc |
deleted file mode 100644 |
index 8420931420697ffaf739e52e867358d4e0c0d1a0..0000000000000000000000000000000000000000 |
--- a/content/common/gpu/client/gpu_memory_buffer_impl_shm.cc |
+++ /dev/null |
@@ -1,109 +0,0 @@ |
-// Copyright 2013 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 "content/common/gpu/client/gpu_memory_buffer_impl_shm.h" |
- |
-#include "base/numerics/safe_math.h" |
-#include "ui/gl/gl_bindings.h" |
- |
-namespace content { |
- |
-GpuMemoryBufferImplShm::GpuMemoryBufferImplShm(const gfx::Size& size, |
- unsigned internalformat) |
- : GpuMemoryBufferImpl(size, internalformat) {} |
- |
-GpuMemoryBufferImplShm::~GpuMemoryBufferImplShm() {} |
- |
-// static |
-void GpuMemoryBufferImplShm::AllocateSharedMemoryForChildProcess( |
- const gfx::Size& size, |
- unsigned internalformat, |
- base::ProcessHandle child_process, |
- const AllocationCallback& callback) { |
- DCHECK(IsLayoutSupported(size, internalformat)); |
- gfx::GpuMemoryBufferHandle handle; |
- base::SharedMemory shared_memory; |
- if (!shared_memory.CreateAnonymous(size.GetArea() * |
- BytesPerPixel(internalformat))) { |
- handle.type = gfx::EMPTY_BUFFER; |
- return; |
- } |
- handle.type = gfx::SHARED_MEMORY_BUFFER; |
- shared_memory.GiveToProcess(child_process, &handle.handle); |
- callback.Run(handle); |
-} |
- |
-// static |
-bool GpuMemoryBufferImplShm::IsLayoutSupported(const gfx::Size& size, |
- unsigned internalformat) { |
- base::CheckedNumeric<int> buffer_size = size.width(); |
- buffer_size *= size.height(); |
- buffer_size *= BytesPerPixel(internalformat); |
- return buffer_size.IsValid(); |
-} |
- |
-// static |
-bool GpuMemoryBufferImplShm::IsUsageSupported(unsigned usage) { |
- switch (usage) { |
- case GL_IMAGE_MAP_CHROMIUM: |
- return true; |
- default: |
- return false; |
- } |
-} |
- |
-// static |
-bool GpuMemoryBufferImplShm::IsConfigurationSupported(const gfx::Size& size, |
- unsigned internalformat, |
- unsigned usage) { |
- return IsLayoutSupported(size, internalformat) && IsUsageSupported(usage); |
-} |
- |
-bool GpuMemoryBufferImplShm::Initialize() { |
- DCHECK(IsLayoutSupported(size_, internalformat_)); |
- scoped_ptr<base::SharedMemory> shared_memory(new base::SharedMemory()); |
- if (!shared_memory->CreateAnonymous(size_.GetArea() * |
- BytesPerPixel(internalformat_))) |
- return false; |
- shared_memory_ = shared_memory.Pass(); |
- DCHECK(!shared_memory_->memory()); |
- return true; |
-} |
- |
-bool GpuMemoryBufferImplShm::InitializeFromHandle( |
- gfx::GpuMemoryBufferHandle handle) { |
- DCHECK(IsLayoutSupported(size_, internalformat_)); |
- if (!base::SharedMemory::IsHandleValid(handle.handle)) |
- return false; |
- shared_memory_.reset(new base::SharedMemory(handle.handle, false)); |
- DCHECK(!shared_memory_->memory()); |
- return true; |
-} |
- |
-void* GpuMemoryBufferImplShm::Map() { |
- DCHECK(!mapped_); |
- if (!shared_memory_->Map(size_.GetArea() * BytesPerPixel(internalformat_))) |
- return NULL; |
- mapped_ = true; |
- return shared_memory_->memory(); |
-} |
- |
-void GpuMemoryBufferImplShm::Unmap() { |
- DCHECK(mapped_); |
- shared_memory_->Unmap(); |
- mapped_ = false; |
-} |
- |
-uint32 GpuMemoryBufferImplShm::GetStride() const { |
- return size_.width() * BytesPerPixel(internalformat_); |
-} |
- |
-gfx::GpuMemoryBufferHandle GpuMemoryBufferImplShm::GetHandle() const { |
- gfx::GpuMemoryBufferHandle handle; |
- handle.type = gfx::SHARED_MEMORY_BUFFER; |
- handle.handle = shared_memory_->handle(); |
- return handle; |
-} |
- |
-} // namespace content |