Fix formatting/style nits in command buffer code

Bug: none
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: I2a125825faf342373faa4b957788c6e90692a71b
Reviewed-on: https://chromium-review.googlesource.com/996801Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#548310}

gpu/command_buffer/common/gles2_cmd_utils.cc

@@ -534,25 +534,25 @@ int GLES2Util::ElementsPerGroup(int format, int type) {
     case GL_UNSIGNED_INT_10F_11F_11F_REV:
     case GL_UNSIGNED_INT_5_9_9_9_REV:
     case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
-       return 1;
+      return 1;
     default:
-       break;
-    }
+      break;
+  }
 
-    switch (format) {
+  switch (format) {
     case GL_RGB:
     case GL_RGB_INTEGER:
     case GL_SRGB_EXT:
-       return 3;
+      return 3;
     case GL_LUMINANCE_ALPHA:
     case GL_RG_EXT:
     case GL_RG_INTEGER:
-       return 2;
+      return 2;
     case GL_RGBA:
     case GL_RGBA_INTEGER:
     case GL_BGRA_EXT:
     case GL_SRGB_ALPHA_EXT:
-       return 4;
+      return 4;
     case GL_ALPHA:
     case GL_LUMINANCE:
     case GL_DEPTH_COMPONENT:
@@ -563,9 +563,9 @@ int GLES2Util::ElementsPerGroup(int format, int type) {
     case GL_DEPTH_STENCIL_OES:
     case GL_RED_EXT:
     case GL_RED_INTEGER:
-       return 1;
+      return 1;
     default:
-       return 0;
+      return 0;
   }
 }
 

gpu/command_buffer/service/framebuffer_manager.cc

@@ -872,8 +872,8 @@ bool Framebuffer::HasAlphaMRT() const {
       const Attachment* attachment = GetAttachment(draw_buffers_[i]);
       if (!attachment)
         continue;
-      if ((GLES2Util::GetChannelsForFormat(
-               attachment->internal_format()) & 0x0008) != 0)
+      if ((GLES2Util::GetChannelsForFormat(attachment->internal_format()) &
+           GLES2Util::kAlpha) != 0)
         return true;
     }
   }