gpu: merge gpu/ipc/host/gpu_memory_buffer_support.cc to gpu/ipc/common/

gpu/ipc/host/gpu_memory_buffer_support.cc

Index: gpu/ipc/host/gpu_memory_buffer_support.cc
diff --git a/gpu/ipc/host/gpu_memory_buffer_support.cc b/gpu/ipc/host/gpu_memory_buffer_support.cc
deleted file mode 100644
index cbd3655936503cd5cffe22ea2aae69d287d31f39..0000000000000000000000000000000000000000
--- a/gpu/ipc/host/gpu_memory_buffer_support.cc
+++ /dev/null
@@ -1,113 +0,0 @@
-// Copyright 2016 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/ipc/host/gpu_memory_buffer_support.h"
-
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "build/build_config.h"
-#include "gpu/ipc/common/gpu_memory_buffer_support.h"
-#include "gpu/ipc/host/gpu_switches.h"
-#include "ui/gl/gl_bindings.h"
-#include "ui/gl/gl_switches.h"
-
-namespace gpu {
-
-bool AreNativeGpuMemoryBuffersEnabled() {
-  // Disable native buffers when using Mesa.
-  if (base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
-          switches::kUseGL) == gl::kGLImplementationOSMesaName) {
-    return false;
-  }
-
-#if defined(OS_MACOSX)
-  return !base::CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kDisableNativeGpuMemoryBuffers);
-#else
-  return base::CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kEnableNativeGpuMemoryBuffers);
-#endif
-}
-
-GpuMemoryBufferConfigurationSet GetNativeGpuMemoryBufferConfigurations() {
-  GpuMemoryBufferConfigurationSet configurations;
-
-#if defined(USE_OZONE) || defined(OS_MACOSX)
-  if (AreNativeGpuMemoryBuffersEnabled()) {
-    const gfx::BufferFormat kNativeFormats[] = {
-        gfx::BufferFormat::R_8,
-        gfx::BufferFormat::RG_88,
-        gfx::BufferFormat::BGR_565,
-        gfx::BufferFormat::RGBA_4444,
-        gfx::BufferFormat::RGBA_8888,
-        gfx::BufferFormat::BGRA_8888,
-        gfx::BufferFormat::UYVY_422,
-        gfx::BufferFormat::YVU_420,
-        gfx::BufferFormat::YUV_420_BIPLANAR};
-    const gfx::BufferUsage kNativeUsages[] = {
-        gfx::BufferUsage::GPU_READ, gfx::BufferUsage::SCANOUT,
-        gfx::BufferUsage::GPU_READ_CPU_READ_WRITE,
-        gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT};
-    for (auto format : kNativeFormats) {
-      for (auto usage : kNativeUsages) {
-        if (IsNativeGpuMemoryBufferConfigurationSupported(format, usage))
-          configurations.insert(std::make_pair(format, usage));
-      }
-    }
-  }
-
-  // Disable native buffers only when using Mesa.
-  bool force_native_gpu_read_write_formats =
-      base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
-          switches::kUseGL) != gl::kGLImplementationOSMesaName;
-  if (force_native_gpu_read_write_formats) {
-    const gfx::BufferFormat kGPUReadWriteFormats[] = {
-        gfx::BufferFormat::BGR_565,   gfx::BufferFormat::RGBA_8888,
-        gfx::BufferFormat::RGBX_8888, gfx::BufferFormat::BGRA_8888,
-        gfx::BufferFormat::BGRX_8888, gfx::BufferFormat::UYVY_422,
-        gfx::BufferFormat::YVU_420,   gfx::BufferFormat::YUV_420_BIPLANAR};
-    const gfx::BufferUsage kGPUReadWriteUsages[] = {gfx::BufferUsage::GPU_READ,
-                                                    gfx::BufferUsage::SCANOUT};
-    for (auto format : kGPUReadWriteFormats) {
-      for (auto usage : kGPUReadWriteUsages) {
-        if (IsNativeGpuMemoryBufferConfigurationSupported(format, usage))
-          configurations.insert(std::make_pair(format, usage));
-      }
-    }
-  }
-#endif  // defined(USE_OZONE) || defined(OS_MACOSX)
-
-  return configurations;
-}
-
-uint32_t GetImageTextureTarget(gfx::BufferFormat format,
-                               gfx::BufferUsage usage) {
-#if defined(USE_OZONE) || defined(OS_MACOSX)
-  GpuMemoryBufferConfigurationSet native_configurations =
-      GetNativeGpuMemoryBufferConfigurations();
-  if (native_configurations.find(std::make_pair(format, usage)) ==
-      native_configurations.end()) {
-    return GL_TEXTURE_2D;
-  }
-
-  switch (GetNativeGpuMemoryBufferType()) {
-    case gfx::OZONE_NATIVE_PIXMAP:
-      // GPU memory buffers that are shared with the GL using EGLImages
-      // require TEXTURE_EXTERNAL_OES.
-      return GL_TEXTURE_EXTERNAL_OES;
-    case gfx::IO_SURFACE_BUFFER:
-      // IOSurface backed images require GL_TEXTURE_RECTANGLE_ARB.
-      return GL_TEXTURE_RECTANGLE_ARB;
-    case gfx::SHARED_MEMORY_BUFFER:
-    case gfx::EMPTY_BUFFER:
-      break;
-  }
-  NOTREACHED();
-  return GL_TEXTURE_2D;
-#else  // defined(USE_OZONE) || defined(OS_MACOSX)
-  return GL_TEXTURE_2D;
-#endif
-}
-
-}  // namespace gpu