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Unified Diff: components/display_compositor/yuv_readback_unittest.cc

Issue 1905863002: Revert of Introduce components/display_compositor (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 8 months ago
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Index: components/display_compositor/yuv_readback_unittest.cc
diff --git a/components/display_compositor/yuv_readback_unittest.cc b/components/display_compositor/yuv_readback_unittest.cc
deleted file mode 100644
index 15430ab174935257a6e7edbc52fc0b669d9e460e..0000000000000000000000000000000000000000
--- a/components/display_compositor/yuv_readback_unittest.cc
+++ /dev/null
@@ -1,554 +0,0 @@
-// 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 "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 "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 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;
- attributes.green_size = 8;
- attributes.blue_size = 8;
- attributes.stencil_size = 8;
- attributes.samples = 4;
- attributes.sample_buffers = 1;
- attributes.bind_generates_resource = false;
-
- context_.reset(gpu::GLInProcessContext::Create(
- nullptr, /* service */
- nullptr, /* surface */
- true, /* offscreen */
- gfx::kNullAcceleratedWidget, /* window */
- gfx::Size(1, 1), /* size */
- nullptr, /* share_context */
- attributes, gfx::PreferDiscreteGpu,
- ::gpu::GLInProcessContextSharedMemoryLimits(),
- nullptr, /* gpu_memory_buffer_manager */
- nullptr /* image_factory */));
- gl_ = context_->GetImplementation();
- gpu::ContextSupport* support = context_->GetImplementation();
-
- 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,
- base::trace_event::RECORD_UNTIL_FULL),
- base::trace_event::TraceLog::RECORDING_MODE);
- }
-
- static void TraceDataCB(
- const base::Callback<void()>& callback,
- std::string* output,
- const scoped_refptr<base::RefCountedString>& json_events_str,
- bool has_more_events) {
- if (output->size() > 1 && !json_events_str->data().empty()) {
- output->append(",");
- }
- output->append(json_events_str->data());
- if (!has_more_events) {
- callback.Run();
- }
- }
-
- // End tracing, return tracing data in a simple map
- // of event name->counts.
- void EndTracing(std::map<std::string, int>* event_counts) {
- std::string json_data = "[";
- base::trace_event::TraceLog::GetInstance()->SetDisabled();
- base::RunLoop run_loop;
- base::trace_event::TraceLog::GetInstance()->Flush(
- base::Bind(&YUVReadbackTest::TraceDataCB, run_loop.QuitClosure(),
- base::Unretained(&json_data)));
- run_loop.Run();
- json_data.append("]");
-
- std::string error_msg;
- std::unique_ptr<base::Value> trace_data =
- base::JSONReader::ReadAndReturnError(json_data, 0, NULL, &error_msg);
- CHECK(trace_data) << "JSON parsing failed (" << error_msg
- << ") JSON data:" << std::endl
- << json_data;
-
- base::ListValue* list;
- CHECK(trace_data->GetAsList(&list));
- for (size_t i = 0; i < list->GetSize(); i++) {
- base::Value* item = NULL;
- if (list->Get(i, &item)) {
- base::DictionaryValue* dict;
- CHECK(item->GetAsDictionary(&dict));
- std::string name;
- CHECK(dict->GetString("name", &name));
- std::string trace_type;
- CHECK(dict->GetString("ph", &trace_type));
- // Count all except END traces, as they come in BEGIN/END pairs.
- if (trace_type != "E" && trace_type != "e")
- (*event_counts)[name]++;
- VLOG(1) << "trace name: " << name;
- }
- }
- }
-
- // Look up a single channel value. Works for 4-channel and single channel
- // bitmaps. Clamp x/y.
- int Channel(SkBitmap* pixels, int x, int y, int c) {
- if (pixels->bytesPerPixel() == 4) {
- uint32_t* data =
- pixels->getAddr32(std::max(0, std::min(x, pixels->width() - 1)),
- std::max(0, std::min(y, pixels->height() - 1)));
- return (*data) >> (c * 8) & 0xff;
- } else {
- DCHECK_EQ(pixels->bytesPerPixel(), 1);
- DCHECK_EQ(c, 0);
- return *pixels->getAddr8(std::max(0, std::min(x, pixels->width() - 1)),
- std::max(0, std::min(y, pixels->height() - 1)));
- }
- }
-
- // Set a single channel value. Works for 4-channel and single channel
- // bitmaps. Clamp x/y.
- void SetChannel(SkBitmap* pixels, int x, int y, int c, int v) {
- DCHECK_GE(x, 0);
- DCHECK_GE(y, 0);
- DCHECK_LT(x, pixels->width());
- DCHECK_LT(y, pixels->height());
- if (pixels->bytesPerPixel() == 4) {
- uint32_t* data = pixels->getAddr32(x, y);
- v = std::max(0, std::min(v, 255));
- *data = (*data & ~(0xffu << (c * 8))) | (v << (c * 8));
- } else {
- DCHECK_EQ(pixels->bytesPerPixel(), 1);
- DCHECK_EQ(c, 0);
- uint8_t* data = pixels->getAddr8(x, y);
- v = std::max(0, std::min(v, 255));
- *data = v;
- }
- }
-
- // Print all the R, G, B or A values from an SkBitmap in a
- // human-readable format.
- void PrintChannel(SkBitmap* pixels, int c) {
- for (int y = 0; y < pixels->height(); y++) {
- std::string formatted;
- for (int x = 0; x < pixels->width(); x++) {
- formatted.append(base::StringPrintf("%3d, ", Channel(pixels, x, y, c)));
- }
- LOG(ERROR) << formatted;
- }
- }
-
- // Get a single R, G, B or A value as a float.
- float ChannelAsFloat(SkBitmap* pixels, int x, int y, int c) {
- return Channel(pixels, x, y, c) / 255.0;
- }
-
- // Works like a GL_LINEAR lookup on an SkBitmap.
- float Bilinear(SkBitmap* pixels, float x, float y, int c) {
- x -= 0.5;
- y -= 0.5;
- int base_x = static_cast<int>(floorf(x));
- int base_y = static_cast<int>(floorf(y));
- x -= base_x;
- y -= base_y;
- return (ChannelAsFloat(pixels, base_x, base_y, c) * (1 - x) * (1 - y) +
- ChannelAsFloat(pixels, base_x + 1, base_y, c) * x * (1 - y) +
- ChannelAsFloat(pixels, base_x, base_y + 1, c) * (1 - x) * y +
- ChannelAsFloat(pixels, base_x + 1, base_y + 1, c) * x * y);
- }
-
- void FlipSKBitmap(SkBitmap* bitmap) {
- int bpp = bitmap->bytesPerPixel();
- DCHECK(bpp == 4 || bpp == 1);
- int top_line = 0;
- int bottom_line = bitmap->height() - 1;
- while (top_line < bottom_line) {
- for (int x = 0; x < bitmap->width(); x++) {
- bpp == 4 ? std::swap(*bitmap->getAddr32(x, top_line),
- *bitmap->getAddr32(x, bottom_line))
- : std::swap(*bitmap->getAddr8(x, top_line),
- *bitmap->getAddr8(x, bottom_line));
- }
- top_line++;
- bottom_line--;
- }
- }
-
- // Note: Left/Right means Top/Bottom when used for Y dimension.
- enum Margin {
- MarginLeft,
- MarginMiddle,
- MarginRight,
- MarginInvalid,
- };
-
- static Margin NextMargin(Margin m) {
- switch (m) {
- case MarginLeft:
- return MarginMiddle;
- case MarginMiddle:
- return MarginRight;
- case MarginRight:
- return MarginInvalid;
- default:
- return MarginInvalid;
- }
- }
-
- int compute_margin(int insize, int outsize, Margin m) {
- int available = outsize - insize;
- switch (m) {
- default:
- EXPECT_TRUE(false) << "This should not happen.";
- return 0;
- case MarginLeft:
- return 0;
- case MarginMiddle:
- return (available / 2) & ~1;
- case MarginRight:
- return available;
- }
- }
-
- // Convert 0.0 - 1.0 to 0 - 255
- int float_to_byte(float v) {
- int ret = static_cast<int>(floorf(v * 255.0f + 0.5f));
- if (ret < 0) {
- return 0;
- }
- if (ret > 255) {
- return 255;
- }
- return ret;
- }
-
- static void callcallback(const base::Callback<void()>& callback,
- bool result) {
- callback.Run();
- }
-
- void PrintPlane(unsigned char* plane, int xsize, int stride, int ysize) {
- for (int y = 0; y < ysize; y++) {
- std::string formatted;
- for (int x = 0; x < xsize; x++) {
- formatted.append(base::StringPrintf("%3d, ", plane[y * stride + x]));
- }
- LOG(ERROR) << formatted << " (" << (plane + y * stride) << ")";
- }
- }
-
- // Compare two planes make sure that each component of each pixel
- // is no more than |maxdiff| apart.
- void ComparePlane(unsigned char* truth,
- int truth_stride,
- unsigned char* other,
- int other_stride,
- int maxdiff,
- int xsize,
- int ysize,
- SkBitmap* source,
- std::string message) {
- for (int x = 0; x < xsize; x++) {
- for (int y = 0; y < ysize; y++) {
- int a = other[y * other_stride + x];
- int b = truth[y * truth_stride + x];
- EXPECT_NEAR(a, b, maxdiff) << " x=" << x << " y=" << y << " "
- << message;
- if (std::abs(a - b) > maxdiff) {
- LOG(ERROR) << "-------expected--------";
- PrintPlane(truth, xsize, truth_stride, ysize);
- LOG(ERROR) << "-------actual--------";
- PrintPlane(other, xsize, other_stride, ysize);
- if (source) {
- LOG(ERROR) << "-------before yuv conversion: red--------";
- PrintChannel(source, 0);
- LOG(ERROR) << "-------before yuv conversion: green------";
- PrintChannel(source, 1);
- LOG(ERROR) << "-------before yuv conversion: blue-------";
- PrintChannel(source, 2);
- }
- return;
- }
- }
- }
- }
-
- // YUV readback test. Create a test pattern, convert to YUV
- // with reference implementation and compare to what gl_helper
- // 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,
- 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);
- SetChannel(&input_pixels, x, y, 1, y * 10);
- SetChannel(&input_pixels, x, y, 2, (x + y) * 10);
- SetChannel(&input_pixels, x, y, 3, 255);
- break;
- case 1: // Small blocks
- SetChannel(&input_pixels, x, y, 0, x & 1 ? 255 : 0);
- SetChannel(&input_pixels, x, y, 1, y & 1 ? 255 : 0);
- SetChannel(&input_pixels, x, y, 2, (x + y) & 1 ? 255 : 0);
- SetChannel(&input_pixels, x, y, 3, 255);
- break;
- case 2: // Medium blocks
- SetChannel(&input_pixels, x, y, 0, 10 + x / 2 * 50);
- SetChannel(&input_pixels, x, y, 1, 10 + y / 3 * 50);
- SetChannel(&input_pixels, x, y, 2, (x + y) / 5 * 50 + 5);
- SetChannel(&input_pixels, x, y, 3, 255);
- break;
- }
- }
- }
-
- gl_->BindTexture(GL_TEXTURE_2D, src_texture);
- gl_->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, xsize, ysize, 0, GL_RGBA,
- GL_UNSIGNED_BYTE, input_pixels.getPixels());
-
- gpu::Mailbox mailbox;
- gl_->GenMailboxCHROMIUM(mailbox.name);
- EXPECT_FALSE(mailbox.IsZero());
- gl_->ProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox.name);
- const GLuint64 fence_sync = gl_->InsertFenceSyncCHROMIUM();
- gl_->ShallowFlushCHROMIUM();
-
- gpu::SyncToken sync_token;
- gl_->GenSyncTokenCHROMIUM(fence_sync, sync_token.GetData());
-
- std::string message = base::StringPrintf(
- "input size: %dx%d "
- "output size: %dx%d "
- "margin: %dx%d "
- "pattern: %d %s %s",
- xsize, ysize, output_xsize, output_ysize, xmargin, ymargin,
- test_pattern, flip ? "flip" : "noflip", flip ? "mrt" : "nomrt");
- std::unique_ptr<ReadbackYUVInterface> yuv_reader(
- helper_->CreateReadbackPipelineYUV(
- quality, gfx::Size(xsize, ysize), gfx::Rect(0, 0, xsize, ysize),
- gfx::Size(xsize, ysize), flip, use_mrt));
-
- scoped_refptr<media::VideoFrame> output_frame =
- media::VideoFrame::CreateFrame(
- media::PIXEL_FORMAT_YV12,
- // The coded size of the output frame is rounded up to the next
- // 16-byte boundary. This tests that the readback is being
- // positioned inside the frame's visible region, and not dependent
- // on its coded size.
- gfx::Size((output_xsize + 15) & ~15, (output_ysize + 15) & ~15),
- gfx::Rect(0, 0, output_xsize, output_ysize),
- gfx::Size(output_xsize, output_ysize),
- base::TimeDelta::FromSeconds(0));
- scoped_refptr<media::VideoFrame> truth_frame =
- media::VideoFrame::CreateFrame(
- media::PIXEL_FORMAT_YV12, gfx::Size(output_xsize, output_ysize),
- gfx::Rect(0, 0, output_xsize, output_ysize),
- gfx::Size(output_xsize, output_ysize),
- base::TimeDelta::FromSeconds(0));
-
- base::RunLoop run_loop;
- yuv_reader->ReadbackYUV(mailbox, sync_token, output_frame->visible_rect(),
- output_frame->stride(media::VideoFrame::kYPlane),
- output_frame->data(media::VideoFrame::kYPlane),
- output_frame->stride(media::VideoFrame::kUPlane),
- output_frame->data(media::VideoFrame::kUPlane),
- output_frame->stride(media::VideoFrame::kVPlane),
- output_frame->data(media::VideoFrame::kVPlane),
- gfx::Point(xmargin, ymargin),
- base::Bind(&callcallback, run_loop.QuitClosure()));
-
- const gfx::Rect paste_rect(gfx::Point(xmargin, ymargin),
- gfx::Size(xsize, ysize));
- media::LetterboxYUV(output_frame.get(), paste_rect);
- run_loop.Run();
-
- if (flip) {
- FlipSKBitmap(&input_pixels);
- }
-
- unsigned char* Y = truth_frame->visible_data(media::VideoFrame::kYPlane);
- unsigned char* U = truth_frame->visible_data(media::VideoFrame::kUPlane);
- unsigned char* V = truth_frame->visible_data(media::VideoFrame::kVPlane);
- int32_t y_stride = truth_frame->stride(media::VideoFrame::kYPlane);
- int32_t u_stride = truth_frame->stride(media::VideoFrame::kUPlane);
- int32_t v_stride = truth_frame->stride(media::VideoFrame::kVPlane);
- memset(Y, 0x00, y_stride * output_ysize);
- memset(U, 0x80, u_stride * output_ysize / 2);
- memset(V, 0x80, v_stride * output_ysize / 2);
-
- const float kRGBtoYColorWeights[] = {0.257f, 0.504f, 0.098f, 0.0625f};
- const float kRGBtoUColorWeights[] = {-0.148f, -0.291f, 0.439f, 0.5f};
- const float kRGBtoVColorWeights[] = {0.439f, -0.368f, -0.071f, 0.5f};
-
- for (int y = 0; y < ysize; y++) {
- for (int x = 0; x < xsize; x++) {
- Y[(y + ymargin) * y_stride + x + xmargin] = float_to_byte(
- ChannelAsFloat(&input_pixels, x, y, 0) * kRGBtoYColorWeights[0] +
- ChannelAsFloat(&input_pixels, x, y, 1) * kRGBtoYColorWeights[1] +
- ChannelAsFloat(&input_pixels, x, y, 2) * kRGBtoYColorWeights[2] +
- kRGBtoYColorWeights[3]);
- }
- }
-
- for (int y = 0; y < ysize / 2; y++) {
- for (int x = 0; x < xsize / 2; x++) {
- U[(y + ymargin / 2) * u_stride + x + xmargin / 2] =
- float_to_byte(Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 0) *
- kRGBtoUColorWeights[0] +
- Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 1) *
- kRGBtoUColorWeights[1] +
- Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 2) *
- kRGBtoUColorWeights[2] +
- kRGBtoUColorWeights[3]);
- V[(y + ymargin / 2) * v_stride + x + xmargin / 2] =
- float_to_byte(Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 0) *
- kRGBtoVColorWeights[0] +
- Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 1) *
- kRGBtoVColorWeights[1] +
- Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 2) *
- kRGBtoVColorWeights[2] +
- kRGBtoVColorWeights[3]);
- }
- }
-
- ComparePlane(
- Y, y_stride, output_frame->visible_data(media::VideoFrame::kYPlane),
- output_frame->stride(media::VideoFrame::kYPlane), 2, output_xsize,
- output_ysize, &input_pixels, message + " Y plane");
- ComparePlane(
- U, u_stride, output_frame->visible_data(media::VideoFrame::kUPlane),
- output_frame->stride(media::VideoFrame::kUPlane), 2, output_xsize / 2,
- output_ysize / 2, &input_pixels, message + " U plane");
- 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<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,
- 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
- // execute two draw arrays, and scaling should be integrated
- // into those two calls since we are using the FAST scalign
- // quality.
- EXPECT_EQ(2, draw_arrays_calls);
- } else {
- // When not using MRT, there are three passes for the YUV,
- // and one for the scaling.
- EXPECT_EQ(4, draw_arrays_calls);
- }
-}
-
-class YUVReadbackPixelTest
- : public YUVReadbackTest,
- public ::testing::WithParamInterface<
- std::tr1::tuple<bool, bool, unsigned int, unsigned int>> {};
-
-TEST_P(YUVReadbackPixelTest, Test) {
- bool flip = std::tr1::get<0>(GetParam());
- bool use_mrt = std::tr1::get<1>(GetParam());
- unsigned int x = std::tr1::get<2>(GetParam());
- unsigned int y = std::tr1::get<3>(GetParam());
-
- for (unsigned int ox = x; ox < arraysize(kYUVReadbackSizes); ox++) {
- for (unsigned int oy = y; oy < arraysize(kYUVReadbackSizes); oy++) {
- // If output is a subsection of the destination frame, (letterbox)
- // then try different variations of where the subsection goes.
- 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,
- 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 display_compositor
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