| // 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 <stdio.h> |
| #include <cmath> |
| #include <string> |
| #include <vector> |
| |
| #include <GLES2/gl2.h> |
| #include <GLES2/gl2ext.h> |
| #include <GLES2/gl2extchromium.h> |
| |
| #include "base/at_exit.h" |
| #include "base/bind.h" |
| #include "base/command_line.h" |
| #include "base/debug/trace_event.h" |
| #include "base/file_util.h" |
| #include "base/json/json_reader.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/run_loop.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/synchronization/waitable_event.h" |
| #include "base/time/time.h" |
| #include "content/common/gpu/client/gl_helper.h" |
| #include "content/common/gpu/client/gl_helper_readback_support.h" |
| #include "content/common/gpu/client/gl_helper_scaling.h" |
| #include "content/public/test/unittest_test_suite.h" |
| #include "content/test/content_test_suite.h" |
| #include "media/base/video_frame.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "third_party/skia/include/core/SkTypes.h" |
| #include "ui/gl/gl_implementation.h" |
| #include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h" |
| |
| #if defined(OS_MACOSX) |
| #include "base/mac/scoped_nsautorelease_pool.h" |
| #endif |
| |
| namespace content { |
| |
| using blink::WebGLId; |
| using blink::WebGraphicsContext3D; |
| using webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl; |
| |
| content::GLHelper::ScalerQuality kQualities[] = { |
| content::GLHelper::SCALER_QUALITY_BEST, |
| content::GLHelper::SCALER_QUALITY_GOOD, |
| content::GLHelper::SCALER_QUALITY_FAST, }; |
| |
| const char* kQualityNames[] = {"best", "good", "fast", }; |
| |
| class GLHelperTest : public testing::Test { |
| protected: |
| virtual void SetUp() { |
| WebGraphicsContext3D::Attributes attributes; |
| bool lose_context_when_out_of_memory = false; |
| context_ = |
| WebGraphicsContext3DInProcessCommandBufferImpl::CreateOffscreenContext( |
| attributes, lose_context_when_out_of_memory); |
| context_->makeContextCurrent(); |
| context_support_ = context_->GetContextSupport(); |
| helper_.reset( |
| new content::GLHelper(context_->GetGLInterface(), context_support_)); |
| helper_scaling_.reset(new content::GLHelperScaling( |
| context_->GetGLInterface(), helper_.get())); |
| } |
| |
| virtual void TearDown() { |
| helper_scaling_.reset(NULL); |
| helper_.reset(NULL); |
| context_.reset(NULL); |
| } |
| |
| void StartTracing(const std::string& filter) { |
| base::debug::TraceLog::GetInstance()->SetEnabled( |
| base::debug::CategoryFilter(filter), |
| base::debug::TraceLog::RECORDING_MODE, |
| base::debug::TraceLog::RECORD_UNTIL_FULL); |
| } |
| |
| 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) { |
| 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::debug::TraceLog::GetInstance()->SetDisabled(); |
| base::RunLoop run_loop; |
| base::debug::TraceLog::GetInstance()->Flush( |
| base::Bind(&GLHelperTest::TraceDataCB, |
| run_loop.QuitClosure(), |
| base::Unretained(&json_data))); |
| run_loop.Run(); |
| json_data.append("]"); |
| |
| scoped_ptr<base::Value> trace_data(base::JSONReader::Read(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)); |
| (*event_counts)[name]++; |
| VLOG(1) << "trace name: " << name; |
| } |
| } |
| } |
| |
| // Bicubic filter kernel function. |
| static float Bicubic(float x) { |
| const float a = -0.5; |
| x = std::abs(x); |
| float x2 = x * x; |
| float x3 = x2 * x; |
| if (x <= 1) { |
| return (a + 2) * x3 - (a + 3) * x2 + 1; |
| } else if (x < 2) { |
| return a * x3 - 5 * a * x2 + 8 * a * x - 4 * a; |
| } else { |
| return 0.0f; |
| } |
| } |
| |
| // Look up a single R/G/B/A value. |
| // Clamp x/y. |
| int Channel(SkBitmap* pixels, int x, int y, int c) { |
| uint32* 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; |
| } |
| |
| // Set a single R/G/B/A value. |
| 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()); |
| uint32* data = pixels->getAddr32(x, y); |
| v = std::max(0, std::min(v, 255)); |
| *data = (*data & ~(0xffu << (c * 8))) | (v << (c * 8)); |
| } |
| |
| // 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; |
| } |
| } |
| |
| // Print out the individual steps of a scaler pipeline. |
| std::string PrintStages( |
| const std::vector<GLHelperScaling::ScalerStage>& scaler_stages) { |
| std::string ret; |
| for (size_t i = 0; i < scaler_stages.size(); i++) { |
| ret.append(base::StringPrintf("%dx%d -> %dx%d ", |
| scaler_stages[i].src_size.width(), |
| scaler_stages[i].src_size.height(), |
| scaler_stages[i].dst_size.width(), |
| scaler_stages[i].dst_size.height())); |
| bool xy_matters = false; |
| switch (scaler_stages[i].shader) { |
| case GLHelperScaling::SHADER_BILINEAR: |
| ret.append("bilinear"); |
| break; |
| case GLHelperScaling::SHADER_BILINEAR2: |
| ret.append("bilinear2"); |
| xy_matters = true; |
| break; |
| case GLHelperScaling::SHADER_BILINEAR3: |
| ret.append("bilinear3"); |
| xy_matters = true; |
| break; |
| case GLHelperScaling::SHADER_BILINEAR4: |
| ret.append("bilinear4"); |
| xy_matters = true; |
| break; |
| case GLHelperScaling::SHADER_BILINEAR2X2: |
| ret.append("bilinear2x2"); |
| break; |
| case GLHelperScaling::SHADER_BICUBIC_UPSCALE: |
| ret.append("bicubic upscale"); |
| xy_matters = true; |
| break; |
| case GLHelperScaling::SHADER_BICUBIC_HALF_1D: |
| ret.append("bicubic 1/2"); |
| xy_matters = true; |
| break; |
| case GLHelperScaling::SHADER_PLANAR: |
| ret.append("planar"); |
| break; |
| case GLHelperScaling::SHADER_YUV_MRT_PASS1: |
| ret.append("rgb2yuv pass 1"); |
| break; |
| case GLHelperScaling::SHADER_YUV_MRT_PASS2: |
| ret.append("rgb2yuv pass 2"); |
| break; |
| } |
| |
| if (xy_matters) { |
| if (scaler_stages[i].scale_x) { |
| ret.append(" X"); |
| } else { |
| ret.append(" Y"); |
| } |
| } |
| ret.append("\n"); |
| } |
| return ret; |
| } |
| |
| bool CheckScale(double scale, int samples, bool already_scaled) { |
| // 1:1 is valid if there is one sample. |
| if (samples == 1 && scale == 1.0) { |
| return true; |
| } |
| // Is it an exact down-scale (50%, 25%, etc.?) |
| if (scale == 2.0 * samples) { |
| return true; |
| } |
| // Upscales, only valid if we haven't already scaled in this dimension. |
| if (!already_scaled) { |
| // Is it a valid bilinear upscale? |
| if (samples == 1 && scale <= 1.0) { |
| return true; |
| } |
| // Multi-sample upscale-downscale combination? |
| if (scale > samples / 2.0 && scale < samples) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| // Make sure that the stages of the scaler pipeline are sane. |
| void ValidateScalerStages( |
| content::GLHelper::ScalerQuality quality, |
| const std::vector<GLHelperScaling::ScalerStage>& scaler_stages, |
| const std::string& message) { |
| bool previous_error = HasFailure(); |
| // First, check that the input size for each stage is equal to |
| // the output size of the previous stage. |
| for (size_t i = 1; i < scaler_stages.size(); i++) { |
| EXPECT_EQ(scaler_stages[i - 1].dst_size.width(), |
| scaler_stages[i].src_size.width()); |
| EXPECT_EQ(scaler_stages[i - 1].dst_size.height(), |
| scaler_stages[i].src_size.height()); |
| EXPECT_EQ(scaler_stages[i].src_subrect.x(), 0); |
| EXPECT_EQ(scaler_stages[i].src_subrect.y(), 0); |
| EXPECT_EQ(scaler_stages[i].src_subrect.width(), |
| scaler_stages[i].src_size.width()); |
| EXPECT_EQ(scaler_stages[i].src_subrect.height(), |
| scaler_stages[i].src_size.height()); |
| } |
| |
| // Used to verify that up-scales are not attempted after some |
| // other scale. |
| bool scaled_x = false; |
| bool scaled_y = false; |
| |
| for (size_t i = 0; i < scaler_stages.size(); i++) { |
| // Note: 2.0 means scaling down by 50% |
| double x_scale = |
| static_cast<double>(scaler_stages[i].src_subrect.width()) / |
| static_cast<double>(scaler_stages[i].dst_size.width()); |
| double y_scale = |
| static_cast<double>(scaler_stages[i].src_subrect.height()) / |
| static_cast<double>(scaler_stages[i].dst_size.height()); |
| |
| int x_samples = 0; |
| int y_samples = 0; |
| |
| // Codify valid scale operations. |
| switch (scaler_stages[i].shader) { |
| case GLHelperScaling::SHADER_PLANAR: |
| case GLHelperScaling::SHADER_YUV_MRT_PASS1: |
| case GLHelperScaling::SHADER_YUV_MRT_PASS2: |
| EXPECT_TRUE(false) << "Invalid shader."; |
| break; |
| |
| case GLHelperScaling::SHADER_BILINEAR: |
| if (quality != content::GLHelper::SCALER_QUALITY_FAST) { |
| x_samples = 1; |
| y_samples = 1; |
| } |
| break; |
| case GLHelperScaling::SHADER_BILINEAR2: |
| x_samples = 2; |
| y_samples = 1; |
| break; |
| case GLHelperScaling::SHADER_BILINEAR3: |
| x_samples = 3; |
| y_samples = 1; |
| break; |
| case GLHelperScaling::SHADER_BILINEAR4: |
| x_samples = 4; |
| y_samples = 1; |
| break; |
| case GLHelperScaling::SHADER_BILINEAR2X2: |
| x_samples = 2; |
| y_samples = 2; |
| break; |
| case GLHelperScaling::SHADER_BICUBIC_UPSCALE: |
| if (scaler_stages[i].scale_x) { |
| EXPECT_LT(x_scale, 1.0); |
| EXPECT_EQ(y_scale, 1.0); |
| } else { |
| EXPECT_EQ(x_scale, 1.0); |
| EXPECT_LT(y_scale, 1.0); |
| } |
| break; |
| case GLHelperScaling::SHADER_BICUBIC_HALF_1D: |
| if (scaler_stages[i].scale_x) { |
| EXPECT_EQ(x_scale, 2.0); |
| EXPECT_EQ(y_scale, 1.0); |
| } else { |
| EXPECT_EQ(x_scale, 1.0); |
| EXPECT_EQ(y_scale, 2.0); |
| } |
| break; |
| } |
| |
| if (!scaler_stages[i].scale_x) { |
| std::swap(x_samples, y_samples); |
| } |
| |
| if (x_samples) { |
| EXPECT_TRUE(CheckScale(x_scale, x_samples, scaled_x)) |
| << "x_scale = " << x_scale; |
| } |
| if (y_samples) { |
| EXPECT_TRUE(CheckScale(y_scale, y_samples, scaled_y)) |
| << "y_scale = " << y_scale; |
| } |
| |
| if (x_scale != 1.0) { |
| scaled_x = true; |
| } |
| if (y_scale != 1.0) { |
| scaled_y = true; |
| } |
| } |
| |
| if (HasFailure() && !previous_error) { |
| LOG(ERROR) << "Invalid scaler stages: " << message; |
| LOG(ERROR) << "Scaler stages:"; |
| LOG(ERROR) << PrintStages(scaler_stages); |
| } |
| } |
| |
| // Compare two bitmaps, make sure that each component of each pixel |
| // is no more than |maxdiff| apart. If they are not similar enough, |
| // prints out |truth|, |other|, |source|, |scaler_stages| and |message|. |
| void Compare(SkBitmap* truth, |
| SkBitmap* other, |
| int maxdiff, |
| SkBitmap* source, |
| const std::vector<GLHelperScaling::ScalerStage>& scaler_stages, |
| std::string message) { |
| EXPECT_EQ(truth->width(), other->width()); |
| EXPECT_EQ(truth->height(), other->height()); |
| for (int x = 0; x < truth->width(); x++) { |
| for (int y = 0; y < truth->height(); y++) { |
| for (int c = 0; c < 4; c++) { |
| int a = Channel(truth, x, y, c); |
| int b = Channel(other, x, y, c); |
| EXPECT_NEAR(a, b, maxdiff) << " x=" << x << " y=" << y << " c=" << c |
| << " " << message; |
| if (std::abs(a - b) > maxdiff) { |
| LOG(ERROR) << "-------expected--------"; |
| PrintChannel(truth, c); |
| LOG(ERROR) << "-------actual--------"; |
| PrintChannel(other, c); |
| if (source) { |
| LOG(ERROR) << "-------before scaling--------"; |
| PrintChannel(source, c); |
| } |
| LOG(ERROR) << "-----Scaler stages------"; |
| LOG(ERROR) << PrintStages(scaler_stages); |
| return; |
| } |
| } |
| } |
| } |
| } |
| |
| // 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); |
| } |
| |
| // Very slow bicubic / bilinear scaler for reference. |
| void ScaleSlow(SkBitmap* input, |
| SkBitmap* output, |
| content::GLHelper::ScalerQuality quality) { |
| float xscale = static_cast<float>(input->width()) / output->width(); |
| float yscale = static_cast<float>(input->height()) / output->height(); |
| float clamped_xscale = xscale < 1.0 ? 1.0 : 1.0 / xscale; |
| float clamped_yscale = yscale < 1.0 ? 1.0 : 1.0 / yscale; |
| for (int dst_y = 0; dst_y < output->height(); dst_y++) { |
| for (int dst_x = 0; dst_x < output->width(); dst_x++) { |
| for (int channel = 0; channel < 4; channel++) { |
| float dst_x_in_src = (dst_x + 0.5f) * xscale; |
| float dst_y_in_src = (dst_y + 0.5f) * yscale; |
| |
| float value = 0.0f; |
| float sum = 0.0f; |
| switch (quality) { |
| case content::GLHelper::SCALER_QUALITY_BEST: |
| for (int src_y = -10; src_y < input->height() + 10; ++src_y) { |
| float coeff_y = |
| Bicubic((src_y + 0.5f - dst_y_in_src) * clamped_yscale); |
| if (coeff_y == 0.0f) { |
| continue; |
| } |
| for (int src_x = -10; src_x < input->width() + 10; ++src_x) { |
| float coeff = |
| coeff_y * |
| Bicubic((src_x + 0.5f - dst_x_in_src) * clamped_xscale); |
| if (coeff == 0.0f) { |
| continue; |
| } |
| sum += coeff; |
| float c = ChannelAsFloat(input, src_x, src_y, channel); |
| value += c * coeff; |
| } |
| } |
| break; |
| |
| case content::GLHelper::SCALER_QUALITY_GOOD: { |
| int xshift = 0, yshift = 0; |
| while ((output->width() << xshift) < input->width()) { |
| xshift++; |
| } |
| while ((output->height() << yshift) < input->height()) { |
| yshift++; |
| } |
| int xmag = 1 << xshift; |
| int ymag = 1 << yshift; |
| if (xmag == 4 && output->width() * 3 >= input->width()) { |
| xmag = 3; |
| } |
| if (ymag == 4 && output->height() * 3 >= input->height()) { |
| ymag = 3; |
| } |
| for (int x = 0; x < xmag; x++) { |
| for (int y = 0; y < ymag; y++) { |
| value += Bilinear(input, |
| (dst_x * xmag + x + 0.5) * xscale / xmag, |
| (dst_y * ymag + y + 0.5) * yscale / ymag, |
| channel); |
| sum += 1.0; |
| } |
| } |
| break; |
| } |
| |
| case content::GLHelper::SCALER_QUALITY_FAST: |
| value = Bilinear(input, dst_x_in_src, dst_y_in_src, channel); |
| sum = 1.0; |
| } |
| value /= sum; |
| SetChannel(output, |
| dst_x, |
| dst_y, |
| channel, |
| static_cast<int>(value * 255.0f + 0.5f)); |
| } |
| } |
| } |
| } |
| |
| void FlipSKBitmap(SkBitmap* bitmap) { |
| int top_line = 0; |
| int bottom_line = bitmap->height() - 1; |
| while (top_line < bottom_line) { |
| for (int x = 0; x < bitmap->width(); x++) { |
| std::swap(*bitmap->getAddr32(x, top_line), |
| *bitmap->getAddr32(x, bottom_line)); |
| } |
| top_line++; |
| bottom_line--; |
| } |
| } |
| |
| // gl_helper scales recursively, so we'll need to do that |
| // in the reference implementation too. |
| void ScaleSlowRecursive(SkBitmap* input, |
| SkBitmap* output, |
| content::GLHelper::ScalerQuality quality) { |
| if (quality == content::GLHelper::SCALER_QUALITY_FAST || |
| quality == content::GLHelper::SCALER_QUALITY_GOOD) { |
| ScaleSlow(input, output, quality); |
| return; |
| } |
| |
| float xscale = static_cast<float>(output->width()) / input->width(); |
| |
| // This corresponds to all the operations we can do directly. |
| float yscale = static_cast<float>(output->height()) / input->height(); |
| if ((xscale == 1.0f && yscale == 1.0f) || |
| (xscale == 0.5f && yscale == 1.0f) || |
| (xscale == 1.0f && yscale == 0.5f) || |
| (xscale >= 1.0f && yscale == 1.0f) || |
| (xscale == 1.0f && yscale >= 1.0f)) { |
| ScaleSlow(input, output, quality); |
| return; |
| } |
| |
| // Now we break the problem down into smaller pieces, using the |
| // operations available. |
| int xtmp = input->width(); |
| int ytmp = input->height(); |
| |
| if (output->height() != input->height()) { |
| ytmp = output->height(); |
| while (ytmp < input->height() && ytmp * 2 != input->height()) { |
| ytmp += ytmp; |
| } |
| } else { |
| xtmp = output->width(); |
| while (xtmp < input->width() && xtmp * 2 != input->width()) { |
| xtmp += xtmp; |
| } |
| } |
| |
| SkBitmap tmp; |
| tmp.setConfig(SkBitmap::kARGB_8888_Config, xtmp, ytmp); |
| tmp.allocPixels(); |
| SkAutoLockPixels lock(tmp); |
| |
| ScaleSlowRecursive(input, &tmp, quality); |
| ScaleSlowRecursive(&tmp, output, quality); |
| } |
| |
| // Scaling test: Create a test image, scale it using GLHelperScaling |
| // and a reference implementation and compare the results. |
| void TestScale(int xsize, |
| int ysize, |
| int scaled_xsize, |
| int scaled_ysize, |
| int test_pattern, |
| size_t quality, |
| bool flip) { |
| WebGLId src_texture = context_->createTexture(); |
| WebGLId framebuffer = context_->createFramebuffer(); |
| SkBitmap input_pixels; |
| input_pixels.setConfig(SkBitmap::kARGB_8888_Config, xsize, ysize); |
| input_pixels.allocPixels(); |
| SkAutoLockPixels lock(input_pixels); |
| |
| 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; |
| } |
| } |
| } |
| |
| context_->bindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| context_->bindTexture(GL_TEXTURE_2D, src_texture); |
| context_->texImage2D(GL_TEXTURE_2D, |
| 0, |
| GL_RGBA, |
| xsize, |
| ysize, |
| 0, |
| GL_RGBA, |
| GL_UNSIGNED_BYTE, |
| input_pixels.getPixels()); |
| |
| std::string message = base::StringPrintf( |
| "input size: %dx%d " |
| "output size: %dx%d " |
| "pattern: %d quality: %s", |
| xsize, |
| ysize, |
| scaled_xsize, |
| scaled_ysize, |
| test_pattern, |
| kQualityNames[quality]); |
| |
| std::vector<GLHelperScaling::ScalerStage> stages; |
| helper_scaling_->ComputeScalerStages(kQualities[quality], |
| gfx::Size(xsize, ysize), |
| gfx::Rect(0, 0, xsize, ysize), |
| gfx::Size(scaled_xsize, scaled_ysize), |
| flip, |
| false, |
| &stages); |
| ValidateScalerStages(kQualities[quality], stages, message); |
| |
| WebGLId dst_texture = |
| helper_->CopyAndScaleTexture(src_texture, |
| gfx::Size(xsize, ysize), |
| gfx::Size(scaled_xsize, scaled_ysize), |
| flip, |
| kQualities[quality]); |
| |
| SkBitmap output_pixels; |
| output_pixels.setConfig( |
| SkBitmap::kARGB_8888_Config, scaled_xsize, scaled_ysize); |
| output_pixels.allocPixels(); |
| SkAutoLockPixels output_lock(output_pixels); |
| |
| helper_->ReadbackTextureSync( |
| dst_texture, |
| gfx::Rect(0, 0, scaled_xsize, scaled_ysize), |
| static_cast<unsigned char*>(output_pixels.getPixels()), |
| SkBitmap::kARGB_8888_Config); |
| if (flip) { |
| // Flip the pixels back. |
| FlipSKBitmap(&output_pixels); |
| } |
| if (xsize == scaled_xsize && ysize == scaled_ysize) { |
| Compare(&input_pixels, |
| &output_pixels, |
| 2, |
| NULL, |
| stages, |
| message + " comparing against input"); |
| } |
| SkBitmap truth_pixels; |
| truth_pixels.setConfig( |
| SkBitmap::kARGB_8888_Config, scaled_xsize, scaled_ysize); |
| truth_pixels.allocPixels(); |
| SkAutoLockPixels truth_lock(truth_pixels); |
| |
| ScaleSlowRecursive(&input_pixels, &truth_pixels, kQualities[quality]); |
| Compare(&truth_pixels, |
| &output_pixels, |
| 2, |
| &input_pixels, |
| stages, |
| message + " comparing against scaled"); |
| |
| context_->deleteTexture(src_texture); |
| context_->deleteTexture(dst_texture); |
| context_->deleteFramebuffer(framebuffer); |
| } |
| |
| // Create a scaling pipeline and check that it is made up of |
| // valid scaling operations. |
| void TestScalerPipeline(size_t quality, |
| int xsize, |
| int ysize, |
| int dst_xsize, |
| int dst_ysize) { |
| std::vector<GLHelperScaling::ScalerStage> stages; |
| helper_scaling_->ComputeScalerStages(kQualities[quality], |
| gfx::Size(xsize, ysize), |
| gfx::Rect(0, 0, xsize, ysize), |
| gfx::Size(dst_xsize, dst_ysize), |
| false, |
| false, |
| &stages); |
| ValidateScalerStages(kQualities[quality], |
| stages, |
| base::StringPrintf( |
| "input size: %dx%d " |
| "output size: %dx%d " |
| "quality: %s", |
| xsize, |
| ysize, |
| dst_xsize, |
| dst_ysize, |
| kQualityNames[quality])); |
| } |
| |
| // Create a scaling pipeline and make sure that the steps |
| // are exactly the steps we expect. |
| void CheckPipeline(content::GLHelper::ScalerQuality quality, |
| int xsize, |
| int ysize, |
| int dst_xsize, |
| int dst_ysize, |
| const std::string& description) { |
| std::vector<GLHelperScaling::ScalerStage> stages; |
| helper_scaling_->ComputeScalerStages(quality, |
| gfx::Size(xsize, ysize), |
| gfx::Rect(0, 0, xsize, ysize), |
| gfx::Size(dst_xsize, dst_ysize), |
| false, |
| false, |
| &stages); |
| ValidateScalerStages(content::GLHelper::SCALER_QUALITY_GOOD, stages, ""); |
| EXPECT_EQ(PrintStages(stages), description); |
| } |
| |
| // 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, |
| unsigned char* other, |
| int maxdiff, |
| int xsize, |
| int stride, |
| int ysize, |
| SkBitmap* source, |
| std::string message) { |
| int truth_stride = stride; |
| for (int x = 0; x < xsize; x++) { |
| for (int y = 0; y < ysize; y++) { |
| int a = other[y * stride + x]; |
| int b = truth[y * 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, 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; |
| } |
| } |
| } |
| } |
| |
| void DrawGridToBitmap(int w, int h, |
| SkColor background_color, |
| SkColor grid_color, |
| int grid_pitch, |
| int grid_width, |
| SkBitmap& bmp) { |
| ASSERT_GT(grid_pitch, 0); |
| ASSERT_GT(grid_width, 0); |
| ASSERT_NE(background_color, grid_color); |
| |
| for (int y = 0; y < h; ++y) { |
| bool y_on_grid = ((y % grid_pitch) < grid_width); |
| |
| for (int x = 0; x < w; ++x) { |
| bool on_grid = (y_on_grid || ((x % grid_pitch) < grid_width)); |
| |
| if (bmp.config() == SkBitmap::kARGB_8888_Config) { |
| *bmp.getAddr32(x, y) = (on_grid ? grid_color : background_color); |
| } else if (bmp.config() == SkBitmap::kRGB_565_Config) { |
| *bmp.getAddr16(x, y) = (on_grid ? grid_color : background_color); |
| } |
| } |
| } |
| } |
| |
| void DrawCheckerToBitmap(int w, int h, |
| SkColor color1, SkColor color2, |
| int rect_w, int rect_h, |
| SkBitmap& bmp) { |
| ASSERT_GT(rect_w, 0); |
| ASSERT_GT(rect_h, 0); |
| ASSERT_NE(color1, color2); |
| |
| for (int y = 0; y < h; ++y) { |
| bool y_bit = (((y / rect_h) & 0x1) == 0); |
| |
| for (int x = 0; x < w; ++x) { |
| bool x_bit = (((x / rect_w) & 0x1) == 0); |
| |
| bool use_color2 = (x_bit != y_bit); // xor |
| if (bmp.config() == SkBitmap::kARGB_8888_Config) { |
| *bmp.getAddr32(x, y) = (use_color2 ? color2 : color1); |
| } else if (bmp.config() == SkBitmap::kRGB_565_Config) { |
| *bmp.getAddr16(x, y) = (use_color2 ? color2 : color1); |
| } |
| } |
| } |
| } |
| |
| bool ColorComponentsClose(SkColor component1, |
| SkColor component2, |
| SkBitmap::Config config) { |
| int c1 = static_cast<int>(component1); |
| int c2 = static_cast<int>(component2); |
| bool result = false; |
| switch (config) { |
| case SkBitmap::kARGB_8888_Config: |
| result = (std::abs(c1 - c2) == 0); |
| break; |
| case SkBitmap::kRGB_565_Config: |
| result = (std::abs(c1 - c2) <= 7); |
| break; |
| default: |
| break; |
| } |
| return result; |
| } |
| |
| bool ColorsClose(SkColor color1, SkColor color2, SkBitmap::Config config) { |
| bool red = ColorComponentsClose(SkColorGetR(color1), |
| SkColorGetR(color2), config); |
| bool green = ColorComponentsClose(SkColorGetG(color1), |
| SkColorGetG(color2), config); |
| bool blue = ColorComponentsClose(SkColorGetB(color1), |
| SkColorGetB(color2), config); |
| bool alpha = ColorComponentsClose(SkColorGetA(color1), |
| SkColorGetA(color2), config); |
| if (config == SkBitmap::kRGB_565_Config) { |
| return red && blue && green; |
| } |
| return red && blue && green && alpha; |
| } |
| |
| bool IsEqual(const SkBitmap& bmp1, const SkBitmap& bmp2) { |
| if (bmp1.isNull() && bmp2.isNull()) |
| return true; |
| if (bmp1.width() != bmp2.width() || |
| bmp1.height() != bmp2.height()) { |
| LOG(ERROR) << "Bitmap geometry check failure"; |
| return false; |
| } |
| if (bmp1.config() != bmp2.config()) |
| return false; |
| |
| SkAutoLockPixels lock1(bmp1); |
| SkAutoLockPixels lock2(bmp2); |
| if (!bmp1.getPixels() || !bmp2.getPixels()) { |
| LOG(ERROR) << "Empty Bitmap!"; |
| return false; |
| } |
| for (int y = 0; y < bmp1.height(); ++y) { |
| for (int x = 0; x < bmp1.width(); ++x) { |
| if (!ColorsClose(bmp1.getColor(x,y), |
| bmp2.getColor(x,y), |
| bmp1.config())) { |
| LOG(ERROR) << "Bitmap color comparision failure"; |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| void BindAndAttachTextureWithPixels(GLuint src_texture, |
| SkBitmap::Config bitmap_config, |
| const gfx::Size& src_size, |
| const SkBitmap& input_pixels) { |
| context_->bindTexture(GL_TEXTURE_2D, src_texture); |
| GLenum format = (bitmap_config == SkBitmap::kRGB_565_Config) ? |
| GL_RGB : GL_RGBA; |
| GLenum type = (bitmap_config == SkBitmap::kRGB_565_Config) ? |
| GL_UNSIGNED_SHORT_5_6_5 : GL_UNSIGNED_BYTE; |
| context_->texImage2D(GL_TEXTURE_2D, |
| 0, |
| format, |
| src_size.width(), |
| src_size.height(), |
| 0, |
| format, |
| type, |
| input_pixels.getPixels()); |
| } |
| |
| void ReadBackTexture(GLuint src_texture, |
| const gfx::Size& src_size, |
| unsigned char* pixels, |
| SkBitmap::Config bitmap_config, |
| bool async) { |
| if (async) { |
| base::RunLoop run_loop; |
| helper_->ReadbackTextureAsync(src_texture, |
| src_size, |
| pixels, |
| bitmap_config, |
| base::Bind(&callcallback, |
| run_loop.QuitClosure())); |
| run_loop.Run(); |
| } else { |
| helper_->ReadbackTextureSync(src_texture, |
| gfx::Rect(src_size), |
| pixels, |
| bitmap_config); |
| } |
| } |
| |
| // Test basic format readback. |
| bool TestTextureFormatReadback(const gfx::Size& src_size, |
| SkBitmap::Config bitmap_config, |
| bool async) { |
| if (!helper_->IsReadbackConfigSupported(bitmap_config)) { |
| LOG(INFO) << "Skipping test format not supported" << bitmap_config; |
| return true; |
| } |
| WebGLId src_texture = context_->createTexture(); |
| SkBitmap input_pixels; |
| input_pixels.setConfig(bitmap_config, src_size.width(), |
| src_size.height()); |
| input_pixels.allocPixels(); |
| SkAutoLockPixels lock1(input_pixels); |
| // Test Pattern-1, Fill with Plain color pattern. |
| // Erase the input bitmap with red color. |
| input_pixels.eraseColor(SK_ColorRED); |
| BindAndAttachTextureWithPixels(src_texture, |
| bitmap_config, |
| src_size, |
| input_pixels); |
| SkBitmap output_pixels; |
| output_pixels.setConfig(bitmap_config, src_size.width(), |
| src_size.height()); |
| output_pixels.allocPixels(); |
| SkAutoLockPixels lock2(output_pixels); |
| // Initialize the output bitmap with Green color. |
| // When the readback is over output bitmap should have the red color. |
| output_pixels.eraseColor(SK_ColorGREEN); |
| uint8* pixels = static_cast<uint8*>(output_pixels.getPixels()); |
| ReadBackTexture(src_texture, src_size, pixels, bitmap_config, async); |
| bool result = IsEqual(input_pixels, output_pixels); |
| if (!result) { |
| LOG(ERROR) << "Bitmap comparision failure Pattern-1"; |
| return false; |
| } |
| const int rect_w = 10, rect_h = 4, src_grid_pitch = 10, src_grid_width = 4; |
| const SkColor color1 = SK_ColorRED, color2 = SK_ColorBLUE; |
| // Test Pattern-2, Fill with Grid Pattern. |
| DrawGridToBitmap(src_size.width(), src_size.height(), |
| color2, color1, |
| src_grid_pitch, src_grid_width, |
| input_pixels); |
| BindAndAttachTextureWithPixels(src_texture, |
| bitmap_config, |
| src_size, |
| input_pixels); |
| ReadBackTexture(src_texture, src_size, pixels, bitmap_config, async); |
| result = IsEqual(input_pixels, output_pixels); |
| if (!result) { |
| LOG(ERROR) << "Bitmap comparision failure Pattern-2"; |
| return false; |
| } |
| // Test Pattern-3, Fill with CheckerBoard Pattern. |
| DrawCheckerToBitmap(src_size.width(), |
| src_size.height(), |
| color1, |
| color2, rect_w, rect_h, input_pixels); |
| BindAndAttachTextureWithPixels(src_texture, |
| bitmap_config, |
| src_size, |
| input_pixels); |
| ReadBackTexture(src_texture, src_size, pixels, bitmap_config, async); |
| result = IsEqual(input_pixels, output_pixels); |
| if (!result) { |
| LOG(ERROR) << "Bitmap comparision failure Pattern-3"; |
| return false; |
| } |
| context_->deleteTexture(src_texture); |
| if (HasFailure()) { |
| return false; |
| } |
| return true; |
| } |
| |
| // 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, |
| content::GLHelper::ScalerQuality quality) { |
| WebGLId src_texture = context_->createTexture(); |
| SkBitmap input_pixels; |
| input_pixels.setConfig(SkBitmap::kARGB_8888_Config, xsize, ysize); |
| input_pixels.allocPixels(); |
| SkAutoLockPixels lock(input_pixels); |
| |
| 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; |
| } |
| } |
| } |
| |
| context_->bindTexture(GL_TEXTURE_2D, src_texture); |
| context_->texImage2D(GL_TEXTURE_2D, |
| 0, |
| GL_RGBA, |
| xsize, |
| ysize, |
| 0, |
| GL_RGBA, |
| GL_UNSIGNED_BYTE, |
| input_pixels.getPixels()); |
| |
| gpu::Mailbox mailbox; |
| context_->genMailboxCHROMIUM(mailbox.name); |
| EXPECT_FALSE(mailbox.IsZero()); |
| context_->produceTextureCHROMIUM(GL_TEXTURE_2D, mailbox.name); |
| uint32 sync_point = context_->insertSyncPoint(); |
| |
| 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"); |
| scoped_ptr<ReadbackYUVInterface> yuv_reader( |
| helper_->CreateReadbackPipelineYUV( |
| quality, |
| gfx::Size(xsize, ysize), |
| gfx::Rect(0, 0, xsize, ysize), |
| gfx::Size(output_xsize, output_ysize), |
| gfx::Rect(xmargin, ymargin, xsize, ysize), |
| flip, |
| use_mrt)); |
| |
| scoped_refptr<media::VideoFrame> output_frame = |
| media::VideoFrame::CreateFrame( |
| media::VideoFrame::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)); |
| scoped_refptr<media::VideoFrame> truth_frame = |
| media::VideoFrame::CreateFrame( |
| media::VideoFrame::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_point, |
| output_frame.get(), |
| base::Bind(&callcallback, run_loop.QuitClosure())); |
| run_loop.Run(); |
| |
| if (flip) { |
| FlipSKBitmap(&input_pixels); |
| } |
| |
| unsigned char* Y = truth_frame->data(media::VideoFrame::kYPlane); |
| unsigned char* U = truth_frame->data(media::VideoFrame::kUPlane); |
| unsigned char* V = truth_frame->data(media::VideoFrame::kVPlane); |
| int32 y_stride = truth_frame->stride(media::VideoFrame::kYPlane); |
| int32 u_stride = truth_frame->stride(media::VideoFrame::kUPlane); |
| int32 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); |
| |
| 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) * 0.257 + |
| ChannelAsFloat(&input_pixels, x, y, 1) * 0.504 + |
| ChannelAsFloat(&input_pixels, x, y, 2) * 0.098 + 0.0625); |
| } |
| } |
| |
| 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) * -0.148 + |
| Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 1) * -0.291 + |
| Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 2) * 0.439 + 0.5); |
| V[(y + ymargin / 2) * v_stride + x + xmargin / 2] = float_to_byte( |
| Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 0) * 0.439 + |
| Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 1) * -0.368 + |
| Bilinear(&input_pixels, x * 2 + 1.0, y * 2 + 1.0, 2) * -0.071 + |
| 0.5); |
| } |
| } |
| |
| ComparePlane(Y, |
| output_frame->data(media::VideoFrame::kYPlane), |
| 2, |
| output_xsize, |
| y_stride, |
| output_ysize, |
| &input_pixels, |
| message + " Y plane"); |
| ComparePlane(U, |
| output_frame->data(media::VideoFrame::kUPlane), |
| 2, |
| output_xsize / 2, |
| u_stride, |
| output_ysize / 2, |
| &input_pixels, |
| message + " U plane"); |
| ComparePlane(V, |
| output_frame->data(media::VideoFrame::kVPlane), |
| 2, |
| output_xsize / 2, |
| v_stride, |
| output_ysize / 2, |
| &input_pixels, |
| message + " V plane"); |
| |
| context_->deleteTexture(src_texture); |
| } |
| |
| void TestAddOps(int src, int dst, bool scale_x, bool allow3) { |
| std::deque<GLHelperScaling::ScaleOp> ops; |
| GLHelperScaling::ScaleOp::AddOps(src, dst, scale_x, allow3, &ops); |
| // Scale factor 3 is a special case. |
| // It is currently only allowed by itself. |
| if (allow3 && dst * 3 >= src && dst * 2 < src) { |
| EXPECT_EQ(ops[0].scale_factor, 3); |
| EXPECT_EQ(ops.size(), 1U); |
| EXPECT_EQ(ops[0].scale_x, scale_x); |
| EXPECT_EQ(ops[0].scale_size, dst); |
| return; |
| } |
| |
| for (size_t i = 0; i < ops.size(); i++) { |
| EXPECT_EQ(ops[i].scale_x, scale_x); |
| if (i == 0) { |
| // Only the first op is allowed to be a scale up. |
| // (Scaling up *after* scaling down would make it fuzzy.) |
| EXPECT_TRUE(ops[0].scale_factor == 0 || ops[0].scale_factor == 2); |
| } else { |
| // All other operations must be 50% downscales. |
| EXPECT_EQ(ops[i].scale_factor, 2); |
| } |
| } |
| // Check that the scale factors make sense and add up. |
| int tmp = dst; |
| for (int i = static_cast<int>(ops.size() - 1); i >= 0; i--) { |
| EXPECT_EQ(tmp, ops[i].scale_size); |
| if (ops[i].scale_factor == 0) { |
| EXPECT_EQ(i, 0); |
| EXPECT_GT(tmp, src); |
| tmp = src; |
| } else { |
| tmp *= ops[i].scale_factor; |
| } |
| } |
| EXPECT_EQ(tmp, src); |
| } |
| |
| void CheckPipeline2(int xsize, |
| int ysize, |
| int dst_xsize, |
| int dst_ysize, |
| const std::string& description) { |
| std::vector<GLHelperScaling::ScalerStage> stages; |
| helper_scaling_->ConvertScalerOpsToScalerStages( |
| content::GLHelper::SCALER_QUALITY_GOOD, |
| gfx::Size(xsize, ysize), |
| gfx::Rect(0, 0, xsize, ysize), |
| gfx::Size(dst_xsize, dst_ysize), |
| false, |
| false, |
| &x_ops_, |
| &y_ops_, |
| &stages); |
| EXPECT_EQ(x_ops_.size(), 0U); |
| EXPECT_EQ(y_ops_.size(), 0U); |
| ValidateScalerStages(content::GLHelper::SCALER_QUALITY_GOOD, stages, ""); |
| EXPECT_EQ(PrintStages(stages), description); |
| } |
| |
| void CheckOptimizationsTest() { |
| // Basic upscale. X and Y should be combined into one pass. |
| x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 2000)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 2000)); |
| CheckPipeline2(1024, 768, 2000, 2000, "1024x768 -> 2000x2000 bilinear\n"); |
| |
| // X scaled 1/2, Y upscaled, should still be one pass. |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 512)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 2000)); |
| CheckPipeline2(1024, 768, 512, 2000, "1024x768 -> 512x2000 bilinear\n"); |
| |
| // X upscaled, Y scaled 1/2, one bilinear pass |
| x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 2000)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 384)); |
| CheckPipeline2(1024, 768, 2000, 384, "1024x768 -> 2000x384 bilinear\n"); |
| |
| // X scaled 1/2, Y scaled 1/2, one bilinear pass |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 512)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 384)); |
| CheckPipeline2(1024, 768, 2000, 384, "1024x768 -> 512x384 bilinear\n"); |
| |
| // X scaled 1/2, Y scaled to 60%, one bilinear2 pass. |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 50)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); |
| CheckPipeline2(100, 100, 50, 60, "100x100 -> 50x60 bilinear2 Y\n"); |
| |
| // X scaled to 60%, Y scaled 1/2, one bilinear2 pass. |
| x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 50)); |
| CheckPipeline2(100, 100, 50, 60, "100x100 -> 60x50 bilinear2 X\n"); |
| |
| // X scaled to 60%, Y scaled 60%, one bilinear2x2 pass. |
| x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); |
| CheckPipeline2(100, 100, 60, 60, "100x100 -> 60x60 bilinear2x2\n"); |
| |
| // X scaled to 40%, Y scaled 40%, two bilinear3 passes. |
| x_ops_.push_back(GLHelperScaling::ScaleOp(3, true, 40)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(3, false, 40)); |
| CheckPipeline2(100, |
| 100, |
| 40, |
| 40, |
| "100x100 -> 100x40 bilinear3 Y\n" |
| "100x40 -> 40x40 bilinear3 X\n"); |
| |
| // X scaled to 60%, Y scaled 40% |
| x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(3, false, 40)); |
| CheckPipeline2(100, |
| 100, |
| 60, |
| 40, |
| "100x100 -> 100x40 bilinear3 Y\n" |
| "100x40 -> 60x40 bilinear2 X\n"); |
| |
| // X scaled to 40%, Y scaled 60% |
| x_ops_.push_back(GLHelperScaling::ScaleOp(3, true, 40)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); |
| CheckPipeline2(100, |
| 100, |
| 40, |
| 60, |
| "100x100 -> 100x60 bilinear2 Y\n" |
| "100x60 -> 40x60 bilinear3 X\n"); |
| |
| // X scaled to 30%, Y scaled 30% |
| x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 120)); |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 60)); |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 30)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); |
| CheckPipeline2(100, |
| 100, |
| 30, |
| 30, |
| "100x100 -> 100x30 bilinear4 Y\n" |
| "100x30 -> 30x30 bilinear4 X\n"); |
| |
| // X scaled to 50%, Y scaled 30% |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 50)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); |
| CheckPipeline2(100, 100, 50, 30, "100x100 -> 50x30 bilinear4 Y\n"); |
| |
| // X scaled to 150%, Y scaled 30% |
| // Note that we avoid combinding X and Y passes |
| // as that would probably be LESS efficient here. |
| x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 150)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 120)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 60)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 30)); |
| CheckPipeline2(100, |
| 100, |
| 150, |
| 30, |
| "100x100 -> 100x30 bilinear4 Y\n" |
| "100x30 -> 150x30 bilinear\n"); |
| |
| // X scaled to 1%, Y scaled 1% |
| x_ops_.push_back(GLHelperScaling::ScaleOp(0, true, 128)); |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 64)); |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 32)); |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 16)); |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 8)); |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 4)); |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 2)); |
| x_ops_.push_back(GLHelperScaling::ScaleOp(2, true, 1)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(0, false, 128)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 64)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 32)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 16)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 8)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 4)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 2)); |
| y_ops_.push_back(GLHelperScaling::ScaleOp(2, false, 1)); |
| CheckPipeline2(100, |
| 100, |
| 30, |
| 30, |
| "100x100 -> 100x32 bilinear4 Y\n" |
| "100x32 -> 100x4 bilinear4 Y\n" |
| "100x4 -> 64x1 bilinear2x2\n" |
| "64x1 -> 8x1 bilinear4 X\n" |
| "8x1 -> 1x1 bilinear4 X\n"); |
| } |
| |
| scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context_; |
| gpu::ContextSupport* context_support_; |
| scoped_ptr<content::GLHelper> helper_; |
| scoped_ptr<content::GLHelperScaling> helper_scaling_; |
| std::deque<GLHelperScaling::ScaleOp> x_ops_, y_ops_; |
| }; |
| |
| class GLHelperPixelTest : public GLHelperTest { |
| private: |
| gfx::DisableNullDrawGLBindings enable_pixel_output_; |
| }; |
| |
| TEST_F(GLHelperTest, ARGBSyncReadbackTest) { |
| const int kTestSize = 64; |
| bool result = TestTextureFormatReadback(gfx::Size(kTestSize,kTestSize), |
| SkBitmap::kARGB_8888_Config, |
| false); |
| EXPECT_EQ(result, true); |
| } |
| |
| TEST_F(GLHelperTest, RGB565SyncReadbackTest) { |
| const int kTestSize = 64; |
| bool result = TestTextureFormatReadback(gfx::Size(kTestSize,kTestSize), |
| SkBitmap::kRGB_565_Config, |
| false); |
| EXPECT_EQ(result, true); |
| } |
| |
| TEST_F(GLHelperTest, ARGBASyncReadbackTest) { |
| const int kTestSize = 64; |
| bool result = TestTextureFormatReadback(gfx::Size(kTestSize,kTestSize), |
| SkBitmap::kARGB_8888_Config, |
| true); |
| EXPECT_EQ(result, true); |
| } |
| |
| TEST_F(GLHelperTest, RGB565ASyncReadbackTest) { |
| const int kTestSize = 64; |
| bool result = TestTextureFormatReadback(gfx::Size(kTestSize,kTestSize), |
| SkBitmap::kRGB_565_Config, |
| true); |
| EXPECT_EQ(result, true); |
| } |
| |
| TEST_F(GLHelperPixelTest, YUVReadbackOptTest) { |
| // This test uses the cb_command tracing events to detect how many |
| // scaling passes are actually performed by the YUV readback pipeline. |
| StartTracing(TRACE_DISABLED_BY_DEFAULT("cb_command")); |
| |
| TestYUVReadback(800, |
| 400, |
| 800, |
| 400, |
| 0, |
| 0, |
| 1, |
| false, |
| true, |
| content::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); |
| } |
| } |
| |
| TEST_F(GLHelperPixelTest, YUVReadbackTest) { |
| int sizes[] = {2, 4, 14}; |
| for (int flip = 0; flip <= 1; flip++) { |
| for (int use_mrt = 0; use_mrt <= 1; use_mrt++) { |
| for (unsigned int x = 0; x < arraysize(sizes); x++) { |
| for (unsigned int y = 0; y < arraysize(sizes); y++) { |
| for (unsigned int ox = x; ox < arraysize(sizes); ox++) { |
| for (unsigned int oy = y; oy < arraysize(sizes); 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(sizes[x], |
| sizes[y], |
| sizes[ox], |
| sizes[oy], |
| compute_margin(sizes[x], sizes[ox], xm), |
| compute_margin(sizes[y], sizes[oy], ym), |
| pattern, |
| flip == 1, |
| use_mrt == 1, |
| content::GLHelper::SCALER_QUALITY_GOOD); |
| if (HasFailure()) { |
| return; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| // Per pixel tests, all sizes are small so that we can print |
| // out the generated bitmaps. |
| TEST_F(GLHelperPixelTest, ScaleTest) { |
| int sizes[] = {3, 6, 16}; |
| for (int flip = 0; flip <= 1; flip++) { |
| for (size_t q = 0; q < arraysize(kQualities); q++) { |
| for (int x = 0; x < 3; x++) { |
| for (int y = 0; y < 3; y++) { |
| for (int dst_x = 0; dst_x < 3; dst_x++) { |
| for (int dst_y = 0; dst_y < 3; dst_y++) { |
| for (int pattern = 0; pattern < 3; pattern++) { |
| TestScale(sizes[x], |
| sizes[y], |
| sizes[dst_x], |
| sizes[dst_y], |
| pattern, |
| q, |
| flip == 1); |
| if (HasFailure()) { |
| return; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| // Validate that all scaling generates valid pipelines. |
| TEST_F(GLHelperTest, ValidateScalerPipelines) { |
| int sizes[] = {7, 99, 128, 256, 512, 719, 720, 721, 1920, 2011, 3217, 4096}; |
| for (size_t q = 0; q < arraysize(kQualities); q++) { |
| for (size_t x = 0; x < arraysize(sizes); x++) { |
| for (size_t y = 0; y < arraysize(sizes); y++) { |
| for (size_t dst_x = 0; dst_x < arraysize(sizes); dst_x++) { |
| for (size_t dst_y = 0; dst_y < arraysize(sizes); dst_y++) { |
| TestScalerPipeline( |
| q, sizes[x], sizes[y], sizes[dst_x], sizes[dst_y]); |
| if (HasFailure()) { |
| return; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| // Make sure we don't create overly complicated pipelines |
| // for a few common use cases. |
| TEST_F(GLHelperTest, CheckSpecificPipelines) { |
| // Upscale should be single pass. |
| CheckPipeline(content::GLHelper::SCALER_QUALITY_GOOD, |
| 1024, |
| 700, |
| 1280, |
| 720, |
| "1024x700 -> 1280x720 bilinear\n"); |
| // Slight downscale should use BILINEAR2X2. |
| CheckPipeline(content::GLHelper::SCALER_QUALITY_GOOD, |
| 1280, |
| 720, |
| 1024, |
| 700, |
| "1280x720 -> 1024x700 bilinear2x2\n"); |
| // Most common tab capture pipeline on the Pixel. |
| // Should be using two BILINEAR3 passes. |
| CheckPipeline(content::GLHelper::SCALER_QUALITY_GOOD, |
| 2560, |
| 1476, |
| 1249, |
| 720, |
| "2560x1476 -> 2560x720 bilinear3 Y\n" |
| "2560x720 -> 1249x720 bilinear3 X\n"); |
| } |
| |
| TEST_F(GLHelperTest, ScalerOpTest) { |
| for (int allow3 = 0; allow3 <= 1; allow3++) { |
| for (int dst = 1; dst < 2049; dst += 1 + (dst >> 3)) { |
| for (int src = 1; src < 2049; src++) { |
| TestAddOps(src, dst, allow3 == 1, (src & 1) == 1); |
| if (HasFailure()) { |
| LOG(ERROR) << "Failed for src=" << src << " dst=" << dst |
| << " allow3=" << allow3; |
| return; |
| } |
| } |
| } |
| } |
| } |
| |
| TEST_F(GLHelperTest, CheckOptimizations) { |
| // Test in baseclass since it is friends with GLHelperScaling |
| CheckOptimizationsTest(); |
| } |
| |
| } // namespace |
| |
| // These tests needs to run against a proper GL environment, so we |
| // need to set it up before we can run the tests. |
| int main(int argc, char** argv) { |
| CommandLine::Init(argc, argv); |
| base::TestSuite* suite = new content::ContentTestSuite(argc, argv); |
| #if defined(OS_MACOSX) |
| base::mac::ScopedNSAutoreleasePool pool; |
| #endif |
| |
| content::UnitTestTestSuite runner(suite); |
| base::MessageLoop message_loop; |
| return runner.Run(); |
| } |