gpu: support RG_88 GpuMemoryBuffer

ui/ozone/platform/drm/common/drm_util.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/ozone/platform/drm/common/drm_util.h"
 
 #include <drm_fourcc.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <sys/mman.h>
@@ skipping 12 matching lines @@
 #endif
 
 #if !defined(DRM_CAP_CURSOR_HEIGHT)
 #define DRM_CAP_CURSOR_HEIGHT 0x9
 #endif
 
 #if !defined(DRM_FORMAT_R8)
 // TODO(dshwang): after most linux and libdrm has this definition, remove it.
 #define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ')
 #endif
+#if !defined(DRM_FORMAT_GR88)
+// TODO(dshwang): after most linux and libdrm has this definition, remove it.
+#define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8')
+#endif
 #if !defined(DRM_FORMAT_YV12)
 // TODO(dcastagna): after libdrm has this definition, remove it.
 #define DRM_FORMAT_YV12 fourcc_code('Y', 'V', '1', '2')
 #endif
 
 namespace ui {
 
 namespace {
 
 static const size_t kDefaultCursorWidth = 64;
@@ skipping 279 matching lines @@
     params.native_mode = params.modes.front();
   }
 
   return params;
 }
 
 int GetFourCCFormatFromBufferFormat(gfx::BufferFormat format) {
   switch (format) {
     case gfx::BufferFormat::R_8:
       return DRM_FORMAT_R8;
+    case gfx::BufferFormat::RG_88:
+      return DRM_FORMAT_GR88;
     case gfx::BufferFormat::RGBA_8888:
       return DRM_FORMAT_ABGR8888;
     case gfx::BufferFormat::RGBX_8888:
       return DRM_FORMAT_XBGR8888;
     case gfx::BufferFormat::BGRA_8888:
       return DRM_FORMAT_ARGB8888;
     case gfx::BufferFormat::BGRX_8888:
       return DRM_FORMAT_XRGB8888;
     case gfx::BufferFormat::BGR_565:
       return DRM_FORMAT_RGB565;
     case gfx::BufferFormat::UYVY_422:
       return DRM_FORMAT_UYVY;
     case gfx::BufferFormat::YVU_420:
       return DRM_FORMAT_YV12;
     default:
       NOTREACHED();
       return 0;
   }
 }
 
 gfx::BufferFormat GetBufferFormatFromFourCCFormat(int format) {
   switch (format) {
     case DRM_FORMAT_R8:
       return gfx::BufferFormat::R_8;
+    case DRM_FORMAT_GR88:
+      return gfx::BufferFormat::RG_88;
     case DRM_FORMAT_ABGR8888:
       return gfx::BufferFormat::RGBA_8888;
     case DRM_FORMAT_XBGR8888:
       return gfx::BufferFormat::RGBX_8888;
     case DRM_FORMAT_ARGB8888:
       return gfx::BufferFormat::BGRA_8888;
     case DRM_FORMAT_XRGB8888:
       return gfx::BufferFormat::BGRX_8888;
     case DRM_FORMAT_RGB565:
       return gfx::BufferFormat::BGR_565;
@@ skipping 19 matching lines @@
     case gfx::BufferFormat::BGR_565:
       return DRM_FORMAT_RGB565;
     case gfx::BufferFormat::UYVY_422:
       return DRM_FORMAT_UYVY;
     default:
       NOTREACHED();
       return 0;
   }
 }
 }  // namespace ui