Add YUV_420_BIPLANAR to gfx::BufferFormat.

Enable it as a supported configuration on Mac.

BUG=510260
TEST=Covered by GpuMemoryBufferImpl::Map and ::PersistentMap.
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1282313002

Cr-Commit-Position: refs/heads/master@{#343093}

3 files changed, 11 insertions, 0 deletions

diff --git a/gpu/command_buffer/service/image_factory.cc b/gpu/command_buffer/service/image_factory.cc
index 9d4e659..a1a3f15 100644
--- a/gpu/command_buffer/service/image_factory.cc
+++ b/gpu/command_buffer/service/image_factory.cc
@@ -88,6 +88,7 @@ bool ImageFactory::IsGpuMemoryBufferFormatSupported(
     case gfx::BufferFormat::RGBA_8888:
     case gfx::BufferFormat::RGBX_8888:
     case gfx::BufferFormat::YUV_420:
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
       return true;
   }
 
@@ -115,6 +116,7 @@ bool ImageFactory::IsImageSizeValidForGpuMemoryBufferFormat(
     case gfx::BufferFormat::RGBX_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;
   }
diff --git a/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc b/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc
index d544d10..4d6f933 100644
--- a/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc
+++ b/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc
@@ -114,6 +114,7 @@ void SetRow(gfx::BufferFormat format,
     case gfx::BufferFormat::ETC1:
     case gfx::BufferFormat::RGBX_8888:
     case gfx::BufferFormat::YUV_420:
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
       NOTREACHED();
       return;
   }
@@ -137,6 +138,7 @@ GLenum InternalFormat(gfx::BufferFormat format) {
     case gfx::BufferFormat::ETC1:
     case gfx::BufferFormat::RGBX_8888:
     case gfx::BufferFormat::YUV_420:
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
       NOTREACHED();
       return 0;
   }
diff --git a/gpu/command_buffer/tests/gl_manager.cc b/gpu/command_buffer/tests/gl_manager.cc
index 5489358..7897d16 100644
--- a/gpu/command_buffer/tests/gl_manager.cc
+++ b/gpu/command_buffer/tests/gl_manager.cc
@@ -58,6 +58,11 @@ size_t SubsamplingFactor(gfx::BufferFormat format, int plane) {
       DCHECK_LT(static_cast<size_t>(plane), arraysize(factor));
       return factor[plane];
     }
+    case gfx::BufferFormat::YUV_420_BIPLANAR: {
+      static size_t factor[] = {1, 2};
+      DCHECK_LT(static_cast<size_t>(plane), arraysize(factor));
+      return factor[plane];
+    }
   }
   NOTREACHED();
   return 0;
@@ -89,6 +94,8 @@ size_t StrideInBytes(size_t width, gfx::BufferFormat format, int plane) {
       return 0;
     case gfx::BufferFormat::YUV_420:
       return width / SubsamplingFactor(format, plane);
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
+      return width;
   }
 
   NOTREACHED();