[Ozone-Dri] Create GbmWrapper

ui/ozone/platform/dri/gbm_buffer.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/dri/gbm_buffer.h"
 
 #include <drm.h>
 #include <fcntl.h>
 #include <gbm.h>
 #include <xf86drm.h>
 
 #include "base/logging.h"
-#include "ui/ozone/platform/dri/dri_wrapper.h"
+#include "ui/ozone/platform/dri/gbm_wrapper.h"
 
 namespace ui {
 
 namespace {
 
 int GetGbmFormatFromBufferFormat(SurfaceFactoryOzone::BufferFormat fmt) {
   switch (fmt) {
     case SurfaceFactoryOzone::RGBA_8888:
       return GBM_BO_FORMAT_ARGB8888;
     case SurfaceFactoryOzone::RGBX_8888:
       return GBM_BO_FORMAT_XRGB8888;
     default:
       NOTREACHED();
       return 0;
   }
 }
 
 }  // namespace
 
-GbmBuffer::GbmBuffer(DriWrapper* dri, gbm_bo* bo, bool scanout)
-    : GbmBufferBase(dri, bo, scanout) {
+GbmBuffer::GbmBuffer(GbmWrapper* gbm, gbm_bo* bo, bool scanout)
+    : GbmBufferBase(gbm, bo, scanout) {
 }
 
 GbmBuffer::~GbmBuffer() {
   if (bo())
     gbm_bo_destroy(bo());
 }
 
 // static
 scoped_refptr<GbmBuffer> GbmBuffer::CreateBuffer(
-    DriWrapper* dri,
-    gbm_device* device,
+    GbmWrapper* gbm,
     SurfaceFactoryOzone::BufferFormat format,
     const gfx::Size& size,
     bool scanout) {
   unsigned flags = GBM_BO_USE_RENDERING;
   if (scanout)
     flags |= GBM_BO_USE_SCANOUT;
-  gbm_bo* bo = gbm_bo_create(device,
-                             size.width(),
-                             size.height(),
-                             GetGbmFormatFromBufferFormat(format),
-                             flags);
+  gbm_bo* bo = gbm_bo_create(gbm->device(), size.width(), size.height(),
+                             GetGbmFormatFromBufferFormat(format), flags);
   if (!bo)
     return NULL;
 
-  scoped_refptr<GbmBuffer> buffer(new GbmBuffer(dri, bo, scanout));
+  scoped_refptr<GbmBuffer> buffer(new GbmBuffer(gbm, bo, scanout));
   if (scanout && !buffer->GetFramebufferId())
     return NULL;
 
   return buffer;
 }
 
 GbmPixmap::GbmPixmap(scoped_refptr<GbmBuffer> buffer)
     : buffer_(buffer), dma_buf_(-1) {
 }
 
-bool GbmPixmap::Initialize(DriWrapper* dri) {
+bool GbmPixmap::Initialize(GbmWrapper* gbm) {
   // We want to use the GBM API because it's going to call into libdrm
   // which might do some optimizations on buffer allocation,
   // especially when sharing buffers via DMABUF.
   dma_buf_ = gbm_bo_get_fd(buffer_->bo());
   if (dma_buf_ < 0) {
     LOG(ERROR) << "Failed to export buffer to dma_buf";
     return false;
   }
   return true;
 }
 
 GbmPixmap::~GbmPixmap() {
   if (dma_buf_ > 0)
     close(dma_buf_);
 }
 
 void* GbmPixmap::GetEGLClientBuffer() {
   return nullptr;
 }
 
 int GbmPixmap::GetDmaBufFd() {
   return dma_buf_;
 }
 
 int GbmPixmap::GetDmaBufPitch() {
   return gbm_bo_get_stride(buffer_->bo());
 }
 
 }  // namespace ui