GLImageEGL: add dmabuf queries

ui/gl/gl_image_native_pixmap.cc

 // Copyright 2016 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/gl/gl_image_native_pixmap.h"
 
 #include <vector>
 
 #include "ui/gfx/buffer_format_util.h"
 #include "ui/gl/gl_surface_egl.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))
 
 #define DRM_FORMAT_R8 FOURCC('R', '8', ' ', ' ')
 #define DRM_FORMAT_GR88 FOURCC('G', 'R', '8', '8')
 #define DRM_FORMAT_RGB565 FOURCC('R', 'G', '1', '6')
 #define DRM_FORMAT_ARGB8888 FOURCC('A', 'R', '2', '4')
 #define DRM_FORMAT_ABGR8888 FOURCC('A', 'B', '2', '4')
 #define DRM_FORMAT_XRGB8888 FOURCC('X', 'R', '2', '4')
 #define DRM_FORMAT_XBGR8888 FOURCC('X', 'B', '2', '4')
 #define DRM_FORMAT_YVU420 FOURCC('Y', 'V', '1', '2')
 #define DRM_FORMAT_NV12 FOURCC('N', 'V', '1', '2')
+#define DRM_FORMAT_UYVY FOURCC('U', 'Y', 'V', 'Y')
 
 namespace gl {
 namespace {
 
 bool ValidInternalFormat(unsigned internalformat, gfx::BufferFormat format) {
   switch (internalformat) {
     case GL_RGB:
       return format == gfx::BufferFormat::BGR_565 ||
              format == gfx::BufferFormat::RGBX_8888 ||
              format == gfx::BufferFormat::BGRX_8888;
@@ skipping 70 matching lines @@
     case gfx::BufferFormat::RGBA_F16:
     case gfx::BufferFormat::UYVY_422:
       NOTREACHED();
       return 0;
   }
 
   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;
+    case DRM_FORMAT_UYVY:
+      return gfx::BufferFormat::UYVY_422;
+    case DRM_FORMAT_NV12:
+      return gfx::BufferFormat::YUV_420_BIPLANAR;
+    case DRM_FORMAT_YVU420:
+      return gfx::BufferFormat::YVU_420;
+    default:
+      return gfx::BufferFormat::BGRA_8888;
+  }
+}
+
 }  // namespace
 
 GLImageNativePixmap::GLImageNativePixmap(const gfx::Size& size,
                                          unsigned internalformat)
     : GLImageEGL(size),
       internalformat_(internalformat),
       has_image_flush_external_(
           gl::GLSurfaceEGL::HasEGLExtension("EGL_EXT_image_flush_external")) {}
 
 GLImageNativePixmap::~GLImageNativePixmap() {}
@@ skipping 64 matching lines @@
                                 static_cast<EGLClientBuffer>(nullptr),
                                 &attrs[0])) {
       return false;
     }
   }
 
   pixmap_ = pixmap;
   return true;
 }
 
+gfx::GpuMemoryBufferAttribVector
+GLImageNativePixmap::QueryDmaBufFormatsAndModifiers() {
+  bool has_dma_buf_import_modifier = gl::GLSurfaceEGL::HasEGLExtension(
+      "EGL_EXT_image_dma_buf_import_modifiers");
+  std::vector<std::pair<EGLint, EGLuint64KHR>> drm_supported_gmb_attribs;
+  gfx::GpuMemoryBufferAttribVector supported_gmb_attribs;
+
+  if (!has_dma_buf_import_modifier)
+    return supported_gmb_attribs;
+
+  drm_supported_gmb_attribs = GLImageEGL::GetDmaBufFormatsWithModifiers();
+
+  for (auto& elem : drm_supported_gmb_attribs)
+    supported_gmb_attribs.push_back(gfx::GpuMemoryBufferAttrib(
+        GetBufferFormatFromFourCCFormat(elem.first), elem.second));
+  return supported_gmb_attribs;
+}
+
 unsigned GLImageNativePixmap::GetInternalFormat() {
   return internalformat_;
 }
 
 bool GLImageNativePixmap::CopyTexImage(unsigned target) {
   if (egl_image_ == EGL_NO_IMAGE_KHR) {
     // Pass-through image type fails to bind and copy; make sure we
     // don't draw with uninitialized texture.
     std::vector<unsigned char> data(size_.width() * size_.height() * 4);
     glTexImage2D(target, 0, GL_RGBA, size_.width(), size_.height(), 0, GL_RGBA,
@@ skipping 65 matching lines @@
     case gfx::BufferFormat::UYVY_422:
       NOTREACHED();
       return GL_NONE;
   }
 
   NOTREACHED();
   return GL_NONE;
 }
 
 }  // namespace gl