Pull gpu CmdBuf service/client shared GpuMemoryBuffer code to common

gpu/command_buffer/service/image_factory.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 "gpu/command_buffer/service/image_factory.h"
 
-#include "gpu/command_buffer/common/capabilities.h"
-#include "ui/gl/gl_bindings.h"
-
 namespace gpu {
 
-namespace {
-gfx::BufferFormat BufferFormatForInternalFormat(unsigned internalformat) {
-  switch (internalformat) {
-    case GL_RED:
-      return gfx::BufferFormat::R_8;
-    case GL_RGB:
-      return gfx::BufferFormat::BGRX_8888;
-    case GL_RGBA:
-      return gfx::BufferFormat::RGBA_8888;
-    case GL_BGRA_EXT:
-      return gfx::BufferFormat::BGRA_8888;
-    case GL_ATC_RGB_AMD:
-      return gfx::BufferFormat::ATC;
-    case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
-      return gfx::BufferFormat::ATCIA;
-    case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
-      return gfx::BufferFormat::DXT1;
-    case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
-      return gfx::BufferFormat::DXT5;
-    case GL_ETC1_RGB8_OES:
-      return gfx::BufferFormat::ETC1;
-    case GL_RGB_YUV_420_CHROMIUM:
-      return gfx::BufferFormat::YUV_420;
-    case GL_RGB_YCBCR_420V_CHROMIUM:
-      return gfx::BufferFormat::YUV_420_BIPLANAR;
-    case GL_RGB_YCBCR_422_CHROMIUM:
-      return gfx::BufferFormat::UYVY_422;
-    default:
-      NOTREACHED();
-      return gfx::BufferFormat::RGBA_8888;
-  }
-}
-
-}  // namespace
-
 ImageFactory::ImageFactory() {
 }
 
 ImageFactory::~ImageFactory() {
 }
 
-// static
-gfx::BufferFormat ImageFactory::DefaultBufferFormatForImageFormat(
-    unsigned internalformat) {
-  switch (internalformat) {
-    case GL_RGB:
-      return gfx::BufferFormat::BGRX_8888;
-    case GL_RGBA:
-      return gfx::BufferFormat::RGBA_8888;
-    default:
-      NOTREACHED();
-      return gfx::BufferFormat::RGBA_8888;
-  }
-}
-
-// static
-bool ImageFactory::IsImageFormatCompatibleWithGpuMemoryBufferFormat(
-    unsigned internalformat,
-    gfx::BufferFormat format) {
-  switch (format) {
-    case gfx::BufferFormat::ATC:
-    case gfx::BufferFormat::ATCIA:
-    case gfx::BufferFormat::BGRA_8888:
-    case gfx::BufferFormat::BGRX_8888:
-    case gfx::BufferFormat::DXT1:
-    case gfx::BufferFormat::DXT5:
-    case gfx::BufferFormat::ETC1:
-    case gfx::BufferFormat::R_8:
-    case gfx::BufferFormat::RGBA_8888:
-    case gfx::BufferFormat::RGBX_8888:
-    case gfx::BufferFormat::YUV_420:
-    case gfx::BufferFormat::YUV_420_BIPLANAR:
-    case gfx::BufferFormat::UYVY_422:
-      return format == BufferFormatForInternalFormat(internalformat);
-    case gfx::BufferFormat::RGBA_4444:
-      return internalformat == GL_RGBA;
-  }
-
-  NOTREACHED();
-  return false;
-}
-
-// static
-bool ImageFactory::IsGpuMemoryBufferFormatSupported(
-    gfx::BufferFormat format,
-    const gpu::Capabilities& capabilities) {
-  switch (format) {
-    case gfx::BufferFormat::ATC:
-    case gfx::BufferFormat::ATCIA:
-      return capabilities.texture_format_atc;
-    case gfx::BufferFormat::BGRA_8888:
-    case gfx::BufferFormat::BGRX_8888:
-      return capabilities.texture_format_bgra8888;
-    case gfx::BufferFormat::DXT1:
-      return capabilities.texture_format_dxt1;
-    case gfx::BufferFormat::DXT5:
-      return capabilities.texture_format_dxt5;
-    case gfx::BufferFormat::ETC1:
-      return capabilities.texture_format_etc1;
-    case gfx::BufferFormat::R_8:
-      return capabilities.texture_rg;
-    case gfx::BufferFormat::UYVY_422:
-      return capabilities.image_ycbcr_422;
-    case gfx::BufferFormat::RGBA_4444:
-    case gfx::BufferFormat::RGBA_8888:
-    case gfx::BufferFormat::RGBX_8888:
-    case gfx::BufferFormat::YUV_420:
-      return true;
-    case gfx::BufferFormat::YUV_420_BIPLANAR:
-      return capabilities.image_ycbcr_420v;
-  }
-
-  NOTREACHED();
-  return false;
-}
-
-// static
-bool ImageFactory::IsImageSizeValidForGpuMemoryBufferFormat(
-    const gfx::Size& size,
-    gfx::BufferFormat format) {
-  switch (format) {
-    case gfx::BufferFormat::ATC:
-    case gfx::BufferFormat::ATCIA:
-    case gfx::BufferFormat::DXT1:
-    case gfx::BufferFormat::DXT5:
-    case gfx::BufferFormat::ETC1:
-      // Compressed images must have a width and height that's evenly divisible
-      // by the block size.
-      return size.width() % 4 == 0 && size.height() % 4 == 0;
-    case gfx::BufferFormat::R_8:
-    case gfx::BufferFormat::RGBA_4444:
-    case gfx::BufferFormat::RGBA_8888:
-    case gfx::BufferFormat::RGBX_8888:
-    case gfx::BufferFormat::BGRA_8888:
-    case gfx::BufferFormat::BGRX_8888:
-      return true;
-    case gfx::BufferFormat::YUV_420:
-    case gfx::BufferFormat::YUV_420_BIPLANAR:
-      // U and V planes are subsampled by a factor of 2.
-      return size.width() % 2 == 0 && size.height() % 2 == 0;
-    case gfx::BufferFormat::UYVY_422:
-      return size.width() % 2 == 0;
-  }
-
-  NOTREACHED();
-  return false;
-}
-
 }  // namespace gpu