Move NumberOfPlanesForGpuMemoryBufferFormat to gfx

gpu/command_buffer/tests/gl_manager.cc

 // Copyright (c) 2012 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/tests/gl_manager.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 #include <GLES2/gl2extchromium.h>
 
@@ skipping 21 matching lines @@
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_image_ref_counted_memory.h"
 #include "ui/gl/gl_share_group.h"
 #include "ui/gl/gl_surface.h"
 
 namespace gpu {
 namespace {
 
-size_t NumberOfPlanesForGpuMemoryBufferFormat(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:
-    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:
-      return 1;
-    case gfx::BufferFormat::YUV_420:
-      return 3;
-  }
-  NOTREACHED();
-  return 0;
-}
-
 size_t SubsamplingFactor(gfx::BufferFormat format, int plane) {
   switch (format) {
     case gfx::BufferFormat::ATC:
     case gfx::BufferFormat::ATCIA:
     case gfx::BufferFormat::DXT1:
     case gfx::BufferFormat::DXT5:
     case gfx::BufferFormat::ETC1:
     case gfx::BufferFormat::R_8:
     case gfx::BufferFormat::RGBA_4444:
     case gfx::BufferFormat::RGBA_8888:
@@ skipping 37 matching lines @@
     case gfx::BufferFormat::YUV_420:
       return width / SubsamplingFactor(format, plane);
   }
 
   NOTREACHED();
   return 0;
 }
 
 size_t BufferSizeInBytes(const gfx::Size& size, gfx::BufferFormat format) {
   size_t size_in_bytes = 0;
-  size_t num_planes = NumberOfPlanesForGpuMemoryBufferFormat(format);
+  size_t num_planes = gfx::GpuMemoryBuffer::NumberOfPlanes(format);
   for (size_t i = 0; i < num_planes; ++i) {
     size_in_bytes += StrideInBytes(size.width(), format, i) *
                      (size.height() / SubsamplingFactor(format, i));
   }
   return size_in_bytes;
 }
 
 class GpuMemoryBufferImpl : public gfx::GpuMemoryBuffer {
  public:
   GpuMemoryBufferImpl(base::RefCountedBytes* bytes,
                       const gfx::Size& size,
                       gfx::BufferFormat format)
       : bytes_(bytes), size_(size), format_(format), mapped_(false) {}
 
   static GpuMemoryBufferImpl* FromClientBuffer(ClientBuffer buffer) {
     return reinterpret_cast<GpuMemoryBufferImpl*>(buffer);
   }
 
   // Overridden from gfx::GpuMemoryBuffer:
   bool Map(void** data) override {
     size_t offset = 0;
-    size_t num_planes = NumberOfPlanesForGpuMemoryBufferFormat(format_);
+    size_t num_planes = gfx::GpuMemoryBuffer::NumberOfPlanes(format_);
     for (size_t i = 0; i < num_planes; ++i) {
       data[i] = reinterpret_cast<uint8*>(&bytes_->data().front()) + offset;
       offset += StrideInBytes(size_.width(), format_, i) *
                 (size_.height() / SubsamplingFactor(format_, i));
     }
     mapped_ = true;
     return true;
   }
   void Unmap() override { mapped_ = false; }
   bool IsMapped() const override { return mapped_; }
   gfx::BufferFormat GetFormat() const override { return format_; }
   void GetStride(int* stride) const override {
-    size_t num_planes = NumberOfPlanesForGpuMemoryBufferFormat(format_);
+    size_t num_planes = gfx::GpuMemoryBuffer::NumberOfPlanes(format_);
     for (size_t i = 0; i < num_planes; ++i)
       stride[i] = StrideInBytes(size_.width(), format_, i);
   }
   gfx::GpuMemoryBufferId GetId() const override {
     NOTREACHED();
     return 0;
   }
   gfx::GpuMemoryBufferHandle GetHandle() const override {
     NOTREACHED();
     return gfx::GpuMemoryBufferHandle();
@@ skipping 353 matching lines @@
 void GLManager::SetLock(base::Lock*) {
   NOTIMPLEMENTED();
 }
 
 bool GLManager::IsGpuChannelLost() {
   NOTIMPLEMENTED();
   return false;
 }
 
 }  // namespace gpu