ozone: unify GpuMemoryBufferFactoryOzoneNativePixmap in content/

ui/gl/gl_image_linux_dma_buffer.cc

-// Copyright 2014 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 "ui/gl/gl_image_linux_dma_buffer.h"
-
-#include <unistd.h>
-
-#define FOURCC(a, b, c, d)                                    \
-  ((static_cast<uint32>(a)) | (static_cast<uint32>(b) << 8) | \
-   (static_cast<uint32>(c) << 16) | (static_cast<uint32>(d) << 24))
-
-#define DRM_FORMAT_ARGB8888 FOURCC('A', 'R', '2', '4')
-#define DRM_FORMAT_XRGB8888 FOURCC('X', 'R', '2', '4')
-
-namespace gfx {
-namespace {
-
-bool ValidInternalFormat(unsigned internalformat) {
-  switch (internalformat) {
-    case GL_RGB:
-    case GL_BGRA_EXT:
-      return true;
-    default:
-      return false;
-  }
-}
-
-bool ValidFormat(gfx::GpuMemoryBuffer::Format format) {
-  switch (format) {
-    case GpuMemoryBuffer::BGRA_8888:
-    case GpuMemoryBuffer::RGBX_8888:
-      return true;
-    case GpuMemoryBuffer::ATC:
-    case GpuMemoryBuffer::ATCIA:
-    case GpuMemoryBuffer::DXT1:
-    case GpuMemoryBuffer::DXT5:
-    case GpuMemoryBuffer::ETC1:
-    case GpuMemoryBuffer::R_8:
-    case GpuMemoryBuffer::RGBA_4444:
-    case GpuMemoryBuffer::RGBA_8888:
-    case GpuMemoryBuffer::YUV_420:
-      return false;
-  }
-
-  NOTREACHED();
-  return false;
-}
-
-EGLint FourCC(gfx::GpuMemoryBuffer::Format format) {
-  switch (format) {
-    case GpuMemoryBuffer::BGRA_8888:
-      return DRM_FORMAT_ARGB8888;
-    case GpuMemoryBuffer::RGBX_8888:
-      return DRM_FORMAT_XRGB8888;
-    case GpuMemoryBuffer::ATC:
-    case GpuMemoryBuffer::ATCIA:
-    case GpuMemoryBuffer::DXT1:
-    case GpuMemoryBuffer::DXT5:
-    case GpuMemoryBuffer::ETC1:
-    case GpuMemoryBuffer::R_8:
-    case GpuMemoryBuffer::RGBA_4444:
-    case GpuMemoryBuffer::RGBA_8888:
-    case GpuMemoryBuffer::YUV_420:
-      NOTREACHED();
-      return 0;
-  }
-
-  NOTREACHED();
-  return 0;
-}
-
-bool IsHandleValid(const base::FileDescriptor& handle) {
-  return handle.fd >= 0;
-}
-
-}  // namespace
-
-GLImageLinuxDMABuffer::GLImageLinuxDMABuffer(const Size& size,
-                                             unsigned internalformat)
-    : GLImageEGL(size), internalformat_(internalformat) {
-}
-
-GLImageLinuxDMABuffer::~GLImageLinuxDMABuffer() {
-}
-
-bool GLImageLinuxDMABuffer::Initialize(const base::FileDescriptor& handle,
-                                       GpuMemoryBuffer::Format format,
-                                       int pitch) {
-  if (!ValidInternalFormat(internalformat_)) {
-    LOG(ERROR) << "Invalid internalformat: " << internalformat_;
-    return false;
-  }
-
-  if (!ValidFormat(format)) {
-    LOG(ERROR) << "Invalid format: " << format;
-    return false;
-  }
-
-  if (!IsHandleValid(handle)) {
-    LOG(ERROR) << "Invalid file descriptor: " << handle.fd;
-    return false;
-  }
-
-  // Note: If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT
-  // target, the EGL will take a reference to the dma_buf.
-  EGLint attrs[] = {EGL_WIDTH,
-                    size_.width(),
-                    EGL_HEIGHT,
-                    size_.height(),
-                    EGL_LINUX_DRM_FOURCC_EXT,
-                    FourCC(format),
-                    EGL_DMA_BUF_PLANE0_FD_EXT,
-                    handle.fd,
-                    EGL_DMA_BUF_PLANE0_OFFSET_EXT,
-                    0,
-                    EGL_DMA_BUF_PLANE0_PITCH_EXT,
-                    pitch,
-                    EGL_NONE};
-  return GLImageEGL::Initialize(
-      EGL_LINUX_DMA_BUF_EXT, static_cast<EGLClientBuffer>(NULL), attrs);
-}
-
-unsigned GLImageLinuxDMABuffer::GetInternalFormat() { return internalformat_; }
-
-}  // namespace gfx