ozone: Sort U and V plane when creating an image.

ui/gl/gl_image_ozone_native_pixmap.cc

 // Copyright 2015 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/gfx/buffer_format_util.h"
 #include "ui/gl/gl_image_ozone_native_pixmap.h"
 
 #define FOURCC(a, b, c, d)                                        \
   ((static_cast<uint32_t>(a)) | (static_cast<uint32_t>(b) << 8) | \
    (static_cast<uint32_t>(c) << 16) | (static_cast<uint32_t>(d) << 24))
@@ skipping 78 matching lines @@
     case gfx::BufferFormat::YUV_420_BIPLANAR:
     case gfx::BufferFormat::UYVY_422:
       NOTREACHED();
       return 0;
   }
 
   NOTREACHED();
   return 0;
 }
 
+#if !defined(ARCH_CPU_X86_FAMILY)
+bool IsFormatCrCb(gfx::BufferFormat format) {
+  switch (format) {
+    case gfx::BufferFormat::YVU_420:
+      return true;
+    case gfx::BufferFormat::R_8:
+    case gfx::BufferFormat::BGR_565:
+    case gfx::BufferFormat::RGBA_8888:
+    case gfx::BufferFormat::RGBX_8888:
+    case gfx::BufferFormat::BGRA_8888:
+    case gfx::BufferFormat::BGRX_8888:
+    case gfx::BufferFormat::ATC:
+    case gfx::BufferFormat::ATCIA:
+    case gfx::BufferFormat::DXT1:
+    case gfx::BufferFormat::DXT5:
+    case gfx::BufferFormat::ETC1:
+    case gfx::BufferFormat::RGBA_4444:
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
+    case gfx::BufferFormat::UYVY_422:
+      return false;
+  }
+  NOTREACHED();
+  return false;
+}
+#endif
+
 }  // namespace
 
 GLImageOzoneNativePixmap::GLImageOzoneNativePixmap(const gfx::Size& size,
                                                    unsigned internalformat)
     : GLImageEGL(size), internalformat_(internalformat) {}
 
 GLImageOzoneNativePixmap::~GLImageOzoneNativePixmap() {
 }
 
 bool GLImageOzoneNativePixmap::Initialize(ui::NativePixmap* pixmap,
@@ skipping 21 matching lines @@
     // Note: If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT
     // target, the EGL will take a reference to the dma_buf.
     std::vector<EGLint> attrs;
     attrs.push_back(EGL_WIDTH);
     attrs.push_back(size_.width());
     attrs.push_back(EGL_HEIGHT);
     attrs.push_back(size_.height());
     attrs.push_back(EGL_LINUX_DRM_FOURCC_EXT);
     attrs.push_back(FourCC(format));
 
-    for (size_t plane = 0;
-         plane < gfx::NumberOfPlanesForBufferFormat(pixmap->GetBufferFormat());
-         ++plane) {
-      attrs.push_back(EGL_DMA_BUF_PLANE0_FD_EXT + plane * 3);
-      attrs.push_back(
-          pixmap->GetDmaBufFd(plane < pixmap->GetDmaBufFdCount() ? plane : 0));
-      attrs.push_back(EGL_DMA_BUF_PLANE0_OFFSET_EXT + plane * 3);
-      attrs.push_back(pixmap->GetDmaBufOffset(plane));
-      attrs.push_back(EGL_DMA_BUF_PLANE0_PITCH_EXT + plane * 3);
-      attrs.push_back(pixmap->GetDmaBufPitch(plane));
+    for (size_t attrs_plane = 0;
+         attrs_plane <
+         gfx::NumberOfPlanesForBufferFormat(pixmap->GetBufferFormat());
+         ++attrs_plane) {
+      attrs.push_back(EGL_DMA_BUF_PLANE0_FD_EXT + attrs_plane * 3);
+
+      size_t pixmap_plane = attrs_plane;
+
+// TODO(dcastagna): Intel mesa flips V and U when the fourcc format is a
+// CrCb format therefore we don't need to.
+// Once crbug.com/646137 is addressed this ifdef (but not its content) can be
+// removed.
+#if !defined(ARCH_CPU_X86_FAMILY)
+      // EGL_EXT_image_dma_buf_import always expects U and V as plane 1 and 2 in
+      // case of a YUV/YVU format. We swap U and V plane indexes for CrCb
+      // multi-planar formats.
+      if (IsFormatCrCb(format) &&
+          gfx::NumberOfPlanesForBufferFormat(pixmap->GetBufferFormat()) == 3 &&
+          attrs_plane) {
+        pixmap_plane = 3 - attrs_plane;
+      }
+#endif
+      attrs.push_back(pixmap->GetDmaBufFd(
+          pixmap_plane < pixmap->GetDmaBufFdCount() ? pixmap_plane : 0));
+      attrs.push_back(EGL_DMA_BUF_PLANE0_OFFSET_EXT + attrs_plane * 3);
+      attrs.push_back(pixmap->GetDmaBufOffset(pixmap_plane));
+      attrs.push_back(EGL_DMA_BUF_PLANE0_PITCH_EXT + attrs_plane * 3);
+      attrs.push_back(pixmap->GetDmaBufPitch(pixmap_plane));
     }
     attrs.push_back(EGL_NONE);
 
     if (!GLImageEGL::Initialize(EGL_LINUX_DMA_BUF_EXT,
                                 static_cast<EGLClientBuffer>(nullptr),
                                 &attrs[0])) {
       return false;
     }
   }
 
@@ skipping 66 matching lines @@
     case gfx::BufferFormat::UYVY_422:
       NOTREACHED();
       return GL_NONE;
   }
 
   NOTREACHED();
   return GL_NONE;
 }
 
 }  // namespace gl