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Unified Diff: cc/output/software_renderer_unittest.cc

Issue 1531403002: Revert "Delete CC." (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 5 years ago
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Index: cc/output/software_renderer_unittest.cc
diff --git a/cc/output/software_renderer_unittest.cc b/cc/output/software_renderer_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3b2c4bc231762be757400372fc1b445ecebb1305
--- /dev/null
+++ b/cc/output/software_renderer_unittest.cc
@@ -0,0 +1,428 @@
+// Copyright 2012 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 "cc/output/software_renderer.h"
+
+#include "base/run_loop.h"
+#include "cc/output/compositor_frame_metadata.h"
+#include "cc/output/copy_output_request.h"
+#include "cc/output/copy_output_result.h"
+#include "cc/output/software_output_device.h"
+#include "cc/quads/render_pass.h"
+#include "cc/quads/render_pass_draw_quad.h"
+#include "cc/quads/solid_color_draw_quad.h"
+#include "cc/quads/tile_draw_quad.h"
+#include "cc/test/animation_test_common.h"
+#include "cc/test/fake_output_surface.h"
+#include "cc/test/fake_output_surface_client.h"
+#include "cc/test/geometry_test_utils.h"
+#include "cc/test/render_pass_test_common.h"
+#include "cc/test/render_pass_test_utils.h"
+#include "cc/test/test_shared_bitmap_manager.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/skia/include/core/SkCanvas.h"
+
+namespace cc {
+namespace {
+
+class SoftwareRendererTest : public testing::Test, public RendererClient {
+ public:
+ void InitializeRenderer(
+ scoped_ptr<SoftwareOutputDevice> software_output_device) {
+ output_surface_ = FakeOutputSurface::CreateSoftware(
+ software_output_device.Pass());
+ CHECK(output_surface_->BindToClient(&output_surface_client_));
+
+ shared_bitmap_manager_.reset(new TestSharedBitmapManager());
+ resource_provider_ = ResourceProvider::Create(output_surface_.get(),
+ shared_bitmap_manager_.get(),
+ NULL,
+ NULL,
+ 0,
+ false,
+ 1);
+ renderer_ = SoftwareRenderer::Create(
+ this, &settings_, output_surface_.get(), resource_provider());
+ }
+
+ ResourceProvider* resource_provider() const {
+ return resource_provider_.get();
+ }
+
+ SoftwareRenderer* renderer() const { return renderer_.get(); }
+
+ // RendererClient implementation.
+ void SetFullRootLayerDamage() override {}
+
+ scoped_ptr<SkBitmap> DrawAndCopyOutput(RenderPassList* list,
+ float device_scale_factor,
+ gfx::Rect device_viewport_rect) {
+ scoped_ptr<SkBitmap> bitmap_result;
+ base::RunLoop loop;
+
+ list->back()->copy_requests.push_back(
+ CopyOutputRequest::CreateBitmapRequest(
+ base::Bind(&SoftwareRendererTest::SaveBitmapResult,
+ base::Unretained(&bitmap_result),
+ loop.QuitClosure())));
+
+ renderer()->DrawFrame(list,
+ device_scale_factor,
+ device_viewport_rect,
+ device_viewport_rect,
+ false);
+ loop.Run();
+ return bitmap_result.Pass();
+ }
+
+ static void SaveBitmapResult(scoped_ptr<SkBitmap>* bitmap_result,
+ const base::Closure& quit_closure,
+ scoped_ptr<CopyOutputResult> result) {
+ DCHECK(result->HasBitmap());
+ *bitmap_result = result->TakeBitmap();
+ quit_closure.Run();
+ }
+
+ protected:
+ RendererSettings settings_;
+ FakeOutputSurfaceClient output_surface_client_;
+ scoped_ptr<FakeOutputSurface> output_surface_;
+ scoped_ptr<SharedBitmapManager> shared_bitmap_manager_;
+ scoped_ptr<ResourceProvider> resource_provider_;
+ scoped_ptr<SoftwareRenderer> renderer_;
+};
+
+TEST_F(SoftwareRendererTest, SolidColorQuad) {
+ gfx::Size outer_size(100, 100);
+ gfx::Size inner_size(98, 98);
+ gfx::Rect outer_rect(outer_size);
+ gfx::Rect inner_rect(gfx::Point(1, 1), inner_size);
+ gfx::Rect visible_rect(gfx::Point(1, 2), gfx::Size(98, 97));
+
+ InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
+
+ RenderPassId root_render_pass_id = RenderPassId(1, 1);
+ scoped_ptr<TestRenderPass> root_render_pass = TestRenderPass::Create();
+ root_render_pass->SetNew(
+ root_render_pass_id, outer_rect, outer_rect, gfx::Transform());
+ SharedQuadState* shared_quad_state =
+ root_render_pass->CreateAndAppendSharedQuadState();
+ shared_quad_state->SetAll(gfx::Transform(),
+ outer_size,
+ outer_rect,
+ outer_rect,
+ false,
+ 1.0,
+ SkXfermode::kSrcOver_Mode,
+ 0);
+ SolidColorDrawQuad* inner_quad =
+ root_render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
+ inner_quad->SetNew(
+ shared_quad_state, inner_rect, inner_rect, SK_ColorCYAN, false);
+ inner_quad->visible_rect = visible_rect;
+ SolidColorDrawQuad* outer_quad =
+ root_render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
+ outer_quad->SetNew(
+ shared_quad_state, outer_rect, outer_rect, SK_ColorYELLOW, false);
+
+ RenderPassList list;
+ list.push_back(root_render_pass.Pass());
+
+ float device_scale_factor = 1.f;
+ gfx::Rect device_viewport_rect(outer_size);
+ scoped_ptr<SkBitmap> output =
+ DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
+ EXPECT_EQ(outer_rect.width(), output->info().fWidth);
+ EXPECT_EQ(outer_rect.height(), output->info().fHeight);
+
+ EXPECT_EQ(SK_ColorYELLOW, output->getColor(0, 0));
+ EXPECT_EQ(SK_ColorYELLOW,
+ output->getColor(outer_size.width() - 1, outer_size.height() - 1));
+ EXPECT_EQ(SK_ColorYELLOW, output->getColor(1, 1));
+ EXPECT_EQ(SK_ColorCYAN, output->getColor(1, 2));
+ EXPECT_EQ(SK_ColorCYAN,
+ output->getColor(inner_size.width() - 1, inner_size.height() - 1));
+}
+
+TEST_F(SoftwareRendererTest, TileQuad) {
+ gfx::Size outer_size(100, 100);
+ gfx::Size inner_size(98, 98);
+ gfx::Rect outer_rect(outer_size);
+ gfx::Rect inner_rect(gfx::Point(1, 1), inner_size);
+ InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
+
+ ResourceProvider::ResourceId resource_yellow =
+ resource_provider()->CreateResource(
+ outer_size, GL_CLAMP_TO_EDGE,
+ ResourceProvider::TEXTURE_HINT_IMMUTABLE, RGBA_8888);
+ ResourceProvider::ResourceId resource_cyan =
+ resource_provider()->CreateResource(
+ inner_size, GL_CLAMP_TO_EDGE,
+ ResourceProvider::TEXTURE_HINT_IMMUTABLE, RGBA_8888);
+
+ SkBitmap yellow_tile;
+ yellow_tile.allocN32Pixels(outer_size.width(), outer_size.height());
+ yellow_tile.eraseColor(SK_ColorYELLOW);
+
+ SkBitmap cyan_tile;
+ cyan_tile.allocN32Pixels(inner_size.width(), inner_size.height());
+ cyan_tile.eraseColor(SK_ColorCYAN);
+
+ resource_provider()->CopyToResource(
+ resource_yellow, static_cast<uint8_t*>(yellow_tile.getPixels()),
+ outer_size);
+ resource_provider()->CopyToResource(
+ resource_cyan, static_cast<uint8_t*>(cyan_tile.getPixels()), inner_size);
+
+ gfx::Rect root_rect = outer_rect;
+
+ RenderPassId root_render_pass_id = RenderPassId(1, 1);
+ scoped_ptr<TestRenderPass> root_render_pass = TestRenderPass::Create();
+ root_render_pass->SetNew(
+ root_render_pass_id, root_rect, root_rect, gfx::Transform());
+ SharedQuadState* shared_quad_state =
+ root_render_pass->CreateAndAppendSharedQuadState();
+ shared_quad_state->SetAll(gfx::Transform(),
+ outer_size,
+ outer_rect,
+ outer_rect,
+ false,
+ 1.0,
+ SkXfermode::kSrcOver_Mode,
+ 0);
+ TileDrawQuad* inner_quad =
+ root_render_pass->CreateAndAppendDrawQuad<TileDrawQuad>();
+ inner_quad->SetNew(shared_quad_state,
+ inner_rect,
+ inner_rect,
+ inner_rect,
+ resource_cyan,
+ gfx::RectF(inner_size),
+ inner_size,
+ false,
+ false);
+ TileDrawQuad* outer_quad =
+ root_render_pass->CreateAndAppendDrawQuad<TileDrawQuad>();
+ outer_quad->SetNew(shared_quad_state,
+ outer_rect,
+ outer_rect,
+ outer_rect,
+ resource_yellow,
+ gfx::RectF(outer_size),
+ outer_size,
+ false,
+ false);
+
+ RenderPassList list;
+ list.push_back(root_render_pass.Pass());
+
+ float device_scale_factor = 1.f;
+ gfx::Rect device_viewport_rect(outer_size);
+ scoped_ptr<SkBitmap> output =
+ DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
+ EXPECT_EQ(outer_rect.width(), output->info().fWidth);
+ EXPECT_EQ(outer_rect.height(), output->info().fHeight);
+
+ EXPECT_EQ(SK_ColorYELLOW, output->getColor(0, 0));
+ EXPECT_EQ(SK_ColorYELLOW,
+ output->getColor(outer_size.width() - 1, outer_size.height() - 1));
+ EXPECT_EQ(SK_ColorCYAN, output->getColor(1, 1));
+ EXPECT_EQ(SK_ColorCYAN,
+ output->getColor(inner_size.width() - 1, inner_size.height() - 1));
+}
+
+TEST_F(SoftwareRendererTest, TileQuadVisibleRect) {
+ gfx::Size tile_size(100, 100);
+ gfx::Rect tile_rect(tile_size);
+ gfx::Rect visible_rect = tile_rect;
+ visible_rect.Inset(1, 2, 3, 4);
+ InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
+
+ ResourceProvider::ResourceId resource_cyan =
+ resource_provider()->CreateResource(
+ tile_size, GL_CLAMP_TO_EDGE, ResourceProvider::TEXTURE_HINT_IMMUTABLE,
+ RGBA_8888);
+
+ SkBitmap cyan_tile; // The lowest five rows are yellow.
+ cyan_tile.allocN32Pixels(tile_size.width(), tile_size.height());
+ cyan_tile.eraseColor(SK_ColorCYAN);
+ cyan_tile.eraseArea(
+ SkIRect::MakeLTRB(
+ 0, visible_rect.bottom() - 1, tile_rect.width(), tile_rect.bottom()),
+ SK_ColorYELLOW);
+
+ resource_provider()->CopyToResource(
+ resource_cyan, static_cast<uint8_t*>(cyan_tile.getPixels()), tile_size);
+
+ gfx::Rect root_rect(tile_size);
+
+ RenderPassId root_render_pass_id = RenderPassId(1, 1);
+ scoped_ptr<TestRenderPass> root_render_pass = TestRenderPass::Create();
+ root_render_pass->SetNew(
+ root_render_pass_id, root_rect, root_rect, gfx::Transform());
+ SharedQuadState* shared_quad_state =
+ root_render_pass->CreateAndAppendSharedQuadState();
+ shared_quad_state->SetAll(gfx::Transform(),
+ tile_size,
+ tile_rect,
+ tile_rect,
+ false,
+ 1.0,
+ SkXfermode::kSrcOver_Mode,
+ 0);
+ TileDrawQuad* quad =
+ root_render_pass->CreateAndAppendDrawQuad<TileDrawQuad>();
+ quad->SetNew(shared_quad_state,
+ tile_rect,
+ tile_rect,
+ tile_rect,
+ resource_cyan,
+ gfx::RectF(tile_size),
+ tile_size,
+ false,
+ false);
+ quad->visible_rect = visible_rect;
+
+ RenderPassList list;
+ list.push_back(root_render_pass.Pass());
+
+ float device_scale_factor = 1.f;
+ gfx::Rect device_viewport_rect(tile_size);
+ scoped_ptr<SkBitmap> output =
+ DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
+ EXPECT_EQ(tile_rect.width(), output->info().fWidth);
+ EXPECT_EQ(tile_rect.height(), output->info().fHeight);
+
+ // Check portion of tile not in visible rect isn't drawn.
+ const unsigned int kTransparent = SK_ColorTRANSPARENT;
+ EXPECT_EQ(kTransparent, output->getColor(0, 0));
+ EXPECT_EQ(kTransparent,
+ output->getColor(tile_rect.width() - 1, tile_rect.height() - 1));
+ EXPECT_EQ(kTransparent,
+ output->getColor(visible_rect.x() - 1, visible_rect.y() - 1));
+ EXPECT_EQ(kTransparent,
+ output->getColor(visible_rect.right(), visible_rect.bottom()));
+ // Ensure visible part is drawn correctly.
+ EXPECT_EQ(SK_ColorCYAN, output->getColor(visible_rect.x(), visible_rect.y()));
+ EXPECT_EQ(
+ SK_ColorCYAN,
+ output->getColor(visible_rect.right() - 2, visible_rect.bottom() - 2));
+ // Ensure last visible line is correct.
+ EXPECT_EQ(
+ SK_ColorYELLOW,
+ output->getColor(visible_rect.right() - 1, visible_rect.bottom() - 1));
+}
+
+TEST_F(SoftwareRendererTest, ShouldClearRootRenderPass) {
+ float device_scale_factor = 1.f;
+ gfx::Rect device_viewport_rect(0, 0, 100, 100);
+
+ settings_.should_clear_root_render_pass = false;
+ InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
+
+ RenderPassList list;
+
+ // Draw a fullscreen green quad in a first frame.
+ RenderPassId root_clear_pass_id(1, 0);
+ TestRenderPass* root_clear_pass = AddRenderPass(
+ &list, root_clear_pass_id, device_viewport_rect, gfx::Transform());
+ AddQuad(root_clear_pass, device_viewport_rect, SK_ColorGREEN);
+
+ renderer()->DecideRenderPassAllocationsForFrame(list);
+
+ scoped_ptr<SkBitmap> output =
+ DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
+ EXPECT_EQ(device_viewport_rect.width(), output->info().fWidth);
+ EXPECT_EQ(device_viewport_rect.height(), output->info().fHeight);
+
+ EXPECT_EQ(SK_ColorGREEN, output->getColor(0, 0));
+ EXPECT_EQ(SK_ColorGREEN,
+ output->getColor(device_viewport_rect.width() - 1,
+ device_viewport_rect.height() - 1));
+
+ list.clear();
+
+ // Draw a smaller magenta rect without filling the viewport in a separate
+ // frame.
+ gfx::Rect smaller_rect(20, 20, 60, 60);
+
+ RenderPassId root_smaller_pass_id(2, 0);
+ TestRenderPass* root_smaller_pass = AddRenderPass(
+ &list, root_smaller_pass_id, device_viewport_rect, gfx::Transform());
+ AddQuad(root_smaller_pass, smaller_rect, SK_ColorMAGENTA);
+
+ renderer()->DecideRenderPassAllocationsForFrame(list);
+
+ output = DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
+ EXPECT_EQ(device_viewport_rect.width(), output->info().fWidth);
+ EXPECT_EQ(device_viewport_rect.height(), output->info().fHeight);
+
+ // If we didn't clear, the borders should still be green.
+ EXPECT_EQ(SK_ColorGREEN, output->getColor(0, 0));
+ EXPECT_EQ(SK_ColorGREEN,
+ output->getColor(device_viewport_rect.width() - 1,
+ device_viewport_rect.height() - 1));
+
+ EXPECT_EQ(SK_ColorMAGENTA,
+ output->getColor(smaller_rect.x(), smaller_rect.y()));
+ EXPECT_EQ(
+ SK_ColorMAGENTA,
+ output->getColor(smaller_rect.right() - 1, smaller_rect.bottom() - 1));
+}
+
+TEST_F(SoftwareRendererTest, RenderPassVisibleRect) {
+ float device_scale_factor = 1.f;
+ gfx::Rect device_viewport_rect(0, 0, 100, 100);
+ InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
+
+ RenderPassList list;
+
+ // Pass drawn as inner quad is magenta.
+ gfx::Rect smaller_rect(20, 20, 60, 60);
+ RenderPassId smaller_pass_id(2, 1);
+ TestRenderPass* smaller_pass =
+ AddRenderPass(&list, smaller_pass_id, smaller_rect, gfx::Transform());
+ AddQuad(smaller_pass, smaller_rect, SK_ColorMAGENTA);
+
+ // Root pass is green.
+ RenderPassId root_clear_pass_id(1, 0);
+ TestRenderPass* root_clear_pass = AddRenderPass(
+ &list, root_clear_pass_id, device_viewport_rect, gfx::Transform());
+ AddRenderPassQuad(root_clear_pass, smaller_pass);
+ AddQuad(root_clear_pass, device_viewport_rect, SK_ColorGREEN);
+
+ // Interior pass quad has smaller visible rect.
+ gfx::Rect interior_visible_rect(30, 30, 40, 40);
+ root_clear_pass->quad_list.front()->visible_rect = interior_visible_rect;
+
+ renderer()->DecideRenderPassAllocationsForFrame(list);
+
+ scoped_ptr<SkBitmap> output =
+ DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
+ EXPECT_EQ(device_viewport_rect.width(), output->info().fWidth);
+ EXPECT_EQ(device_viewport_rect.height(), output->info().fHeight);
+
+ EXPECT_EQ(SK_ColorGREEN, output->getColor(0, 0));
+ EXPECT_EQ(SK_ColorGREEN,
+ output->getColor(device_viewport_rect.width() - 1,
+ device_viewport_rect.height() - 1));
+
+ // Part outside visible rect should remain green.
+ EXPECT_EQ(SK_ColorGREEN,
+ output->getColor(smaller_rect.x(), smaller_rect.y()));
+ EXPECT_EQ(
+ SK_ColorGREEN,
+ output->getColor(smaller_rect.right() - 1, smaller_rect.bottom() - 1));
+
+ EXPECT_EQ(
+ SK_ColorMAGENTA,
+ output->getColor(interior_visible_rect.x(), interior_visible_rect.y()));
+ EXPECT_EQ(SK_ColorMAGENTA,
+ output->getColor(interior_visible_rect.right() - 1,
+ interior_visible_rect.bottom() - 1));
+}
+
+} // namespace
+} // namespace cc
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