Introduce components/display_compositor

components/display_compositor/yuv_readback_unittest.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// 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 "base/json/json_reader.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
-#include "content/browser/compositor/gl_helper.h"
+#include "components/display_compositor/gl_helper.h"
 #include "gpu/command_buffer/client/gl_in_process_context.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "gpu/command_buffer/client/shared_memory_limits.h"
 #include "media/base/video_frame.h"
 #include "media/base/video_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gl/gl_implementation.h"
 
-namespace content {
+namespace display_compositor {
 
 namespace {
-
 int kYUVReadbackSizes[] = {2, 4, 14};
 }
 
 class YUVReadbackTest : public testing::Test {
  protected:
   void SetUp() override {
     gpu::gles2::ContextCreationAttribHelper attributes;
     attributes.alpha_size = 8;
     attributes.depth_size = 24;
     attributes.red_size = 8;
@@ skipping 10 matching lines @@
         true,                        /* offscreen */
         gfx::kNullAcceleratedWidget, /* window */
         gfx::Size(1, 1),             /* size */
         nullptr,                     /* share_context */
         attributes, gfx::PreferDiscreteGpu, gpu::SharedMemoryLimits(),
         nullptr, /* gpu_memory_buffer_manager */
         nullptr /* image_factory */));
     gl_ = context_->GetImplementation();
     gpu::ContextSupport* support = context_->GetImplementation();
 
-    helper_.reset(new content::GLHelper(gl_, support));
+    helper_.reset(new display_compositor::GLHelper(gl_, support));
   }
 
   void TearDown() override {
     helper_.reset(NULL);
     context_.reset(NULL);
   }
 
   void StartTracing(const std::string& filter) {
     base::trace_event::TraceLog::GetInstance()->SetEnabled(
         base::trace_event::TraceConfig(filter,
@@ skipping 241 matching lines @@
   // returns.
   void TestYUVReadback(int xsize,
                        int ysize,
                        int output_xsize,
                        int output_ysize,
                        int xmargin,
                        int ymargin,
                        int test_pattern,
                        bool flip,
                        bool use_mrt,
-                       content::GLHelper::ScalerQuality quality) {
+                       display_compositor::GLHelper::ScalerQuality quality) {
     GLuint src_texture;
     gl_->GenTextures(1, &src_texture);
     SkBitmap input_pixels;
     input_pixels.allocN32Pixels(xsize, ysize);
 
     for (int x = 0; x < xsize; ++x) {
       for (int y = 0; y < ysize; ++y) {
         switch (test_pattern) {
           case 0:  // Smooth test pattern
             SetChannel(&input_pixels, x, y, 0, x * 10);
@@ skipping 137 matching lines @@
     ComparePlane(
         V, v_stride, output_frame->visible_data(media::VideoFrame::kVPlane),
         output_frame->stride(media::VideoFrame::kVPlane), 2, output_xsize / 2,
         output_ysize / 2, &input_pixels, message + " V plane");
 
     gl_->DeleteTextures(1, &src_texture);
   }
 
   std::unique_ptr<gpu::GLInProcessContext> context_;
   gpu::gles2::GLES2Interface* gl_;
-  std::unique_ptr<content::GLHelper> helper_;
+  std::unique_ptr<display_compositor::GLHelper> helper_;
   gfx::DisableNullDrawGLBindings enable_pixel_output_;
 };
 
 TEST_F(YUVReadbackTest, YUVReadbackOptTest) {
   // This test uses the gpu.service/gpu_decoder tracing events to detect how
   // many scaling passes are actually performed by the YUV readback pipeline.
   StartTracing(TRACE_DISABLED_BY_DEFAULT(
       "gpu.service") "," TRACE_DISABLED_BY_DEFAULT("gpu_decoder"));
 
   TestYUVReadback(800, 400, 800, 400, 0, 0, 1, false, true,
-                  content::GLHelper::SCALER_QUALITY_FAST);
+                  display_compositor::GLHelper::SCALER_QUALITY_FAST);
 
   std::map<std::string, int> event_counts;
   EndTracing(&event_counts);
   int draw_buffer_calls = event_counts["kDrawBuffersEXTImmediate"];
   int draw_arrays_calls = event_counts["kDrawArrays"];
   VLOG(1) << "Draw buffer calls: " << draw_buffer_calls;
   VLOG(1) << "DrawArrays calls: " << draw_arrays_calls;
 
   if (draw_buffer_calls) {
     // When using MRT, the YUV readback code should only
@@ skipping 26 matching lines @@
       for (Margin xm = x < ox ? MarginLeft : MarginRight; xm <= MarginRight;
            xm = NextMargin(xm)) {
         for (Margin ym = y < oy ? MarginLeft : MarginRight; ym <= MarginRight;
              ym = NextMargin(ym)) {
           for (int pattern = 0; pattern < 3; pattern++) {
             TestYUVReadback(
                 kYUVReadbackSizes[x], kYUVReadbackSizes[y],
                 kYUVReadbackSizes[ox], kYUVReadbackSizes[oy],
                 compute_margin(kYUVReadbackSizes[x], kYUVReadbackSizes[ox], xm),
                 compute_margin(kYUVReadbackSizes[y], kYUVReadbackSizes[oy], ym),
-                pattern, flip, use_mrt, content::GLHelper::SCALER_QUALITY_GOOD);
+                pattern, flip, use_mrt,
+                display_compositor::GLHelper::SCALER_QUALITY_GOOD);
             if (HasFailure()) {
               return;
             }
           }
         }
       }
     }
   }
 }
 
 // First argument is intentionally empty.
 INSTANTIATE_TEST_CASE_P(
     ,
     YUVReadbackPixelTest,
     ::testing::Combine(
         ::testing::Bool(),
         ::testing::Bool(),
         ::testing::Range<unsigned int>(0, arraysize(kYUVReadbackSizes)),
         ::testing::Range<unsigned int>(0, arraysize(kYUVReadbackSizes))));
 
-}  // namespace content
+}  // namespace display_compositor