Index: components/display_compositor/gl_helper_unittest.cc |
diff --git a/components/display_compositor/gl_helper_unittest.cc b/components/display_compositor/gl_helper_unittest.cc |
deleted file mode 100644 |
index 0cc4c73f95047d368a322adda3b725499f1d1a96..0000000000000000000000000000000000000000 |
--- a/components/display_compositor/gl_helper_unittest.cc |
+++ /dev/null |
@@ -1,1434 +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 <stddef.h> |
-#include <stdint.h> |
-#include <stdio.h> |
-#include <string.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/files/file_util.h" |
-#include "base/json/json_reader.h" |
-#include "base/macros.h" |
-#include "base/memory/ref_counted_memory.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/test/launcher/unit_test_launcher.h" |
-#include "base/test/test_suite.h" |
-#include "base/threading/thread_task_runner_handle.h" |
-#include "base/time/time.h" |
-#include "base/trace_event/trace_event.h" |
-#include "components/display_compositor/gl_helper.h" |
-#include "components/display_compositor/gl_helper_readback_support.h" |
-#include "components/display_compositor/gl_helper_scaling.h" |
-#include "gpu/command_buffer/client/gles2_implementation.h" |
-#include "gpu/command_buffer/client/shared_memory_limits.h" |
-#include "gpu/ipc/gl_in_process_context.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" |
- |
-namespace display_compositor { |
- |
-display_compositor::GLHelper::ScalerQuality kQualities[] = { |
- display_compositor::GLHelper::SCALER_QUALITY_BEST, |
- display_compositor::GLHelper::SCALER_QUALITY_GOOD, |
- display_compositor::GLHelper::SCALER_QUALITY_FAST, |
-}; |
- |
-const char* kQualityNames[] = { |
- "best", "good", "fast", |
-}; |
- |
-class GLHelperTest : 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 */ |
- gpu::kNullSurfaceHandle, /* window */ |
- nullptr, /* share_context */ |
- attributes, gpu::SharedMemoryLimits(), |
- nullptr, /* gpu_memory_buffer_manager */ |
- nullptr, /* image_factory */ |
- base::ThreadTaskRunnerHandle::Get())); |
- gl_ = context_->GetImplementation(); |
- gpu::ContextSupport* support = context_->GetImplementation(); |
- |
- helper_.reset(new display_compositor::GLHelper(gl_, support)); |
- helper_scaling_.reset( |
- new display_compositor::GLHelperScaling(gl_, helper_.get())); |
- } |
- |
- void TearDown() override { |
- helper_scaling_.reset(nullptr); |
- helper_.reset(nullptr); |
- context_.reset(nullptr); |
- } |
- |
- // 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 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; |
- } |
- } |
- |
- // 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( |
- display_compositor::GLHelper::ScalerQuality quality, |
- const std::vector<GLHelperScaling::ScalerStage>& scaler_stages, |
- const gfx::Size& dst_size, |
- 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()); |
- } |
- |
- // Check the output size matches the destination of the last stage |
- EXPECT_EQ(scaler_stages.back().dst_size.width(), dst_size.width()); |
- EXPECT_EQ(scaler_stages.back().dst_size.height(), dst_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 != display_compositor::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); |
- } |
- } |
- |
- // Compares two bitmaps taking color types into account. Checks whether each |
- // component of each pixel is no more than |maxdiff| apart. If bitmaps 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()); |
- bool swizzle = (truth->colorType() == kRGBA_8888_SkColorType && |
- other->colorType() == kBGRA_8888_SkColorType) || |
- (truth->colorType() == kBGRA_8888_SkColorType && |
- other->colorType() == kRGBA_8888_SkColorType); |
- EXPECT_TRUE(swizzle || truth->colorType() == other->colorType()); |
- int bpp = truth->bytesPerPixel(); |
- for (int x = 0; x < truth->width(); x++) { |
- for (int y = 0; y < truth->height(); y++) { |
- for (int c = 0; c < bpp; c++) { |
- int a = Channel(truth, x, y, c); |
- // swizzle when comparing if needed |
- int b = swizzle && (c == 0 || c == 2) |
- ? Channel(other, x, y, (c + 2) & 2) |
- : 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--------"; |
- for (int i = 0; i < bpp; i++) { |
- LOG(ERROR) << "Channel " << i << ":"; |
- PrintChannel(truth, i); |
- } |
- LOG(ERROR) << "-------actual--------"; |
- for (int i = 0; i < bpp; i++) { |
- LOG(ERROR) << "Channel " << i << ":"; |
- PrintChannel(other, i); |
- } |
- if (source) { |
- LOG(ERROR) << "-------original--------"; |
- for (int i = 0; i < source->bytesPerPixel(); i++) { |
- LOG(ERROR) << "Channel " << i << ":"; |
- PrintChannel(source, i); |
- } |
- } |
- 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); |
- } |
- |
- // Encodes an RGBA bitmap to grayscale. |
- // Reference implementation for |
- // GLHelper::CopyToTextureImpl::EncodeTextureAsGrayscale. |
- void EncodeToGrayscaleSlow(SkBitmap* input, SkBitmap* output) { |
- const float kRGBtoGrayscaleColorWeights[3] = {0.213f, 0.715f, 0.072f}; |
- CHECK_EQ(kAlpha_8_SkColorType, output->colorType()); |
- CHECK_EQ(input->width(), output->width()); |
- CHECK_EQ(input->height(), output->height()); |
- CHECK_EQ(input->colorType(), kRGBA_8888_SkColorType); |
- |
- for (int dst_y = 0; dst_y < output->height(); dst_y++) { |
- for (int dst_x = 0; dst_x < output->width(); dst_x++) { |
- float c0 = ChannelAsFloat(input, dst_x, dst_y, 0); |
- float c1 = ChannelAsFloat(input, dst_x, dst_y, 1); |
- float c2 = ChannelAsFloat(input, dst_x, dst_y, 2); |
- float value = c0 * kRGBtoGrayscaleColorWeights[0] + |
- c1 * kRGBtoGrayscaleColorWeights[1] + |
- c2 * kRGBtoGrayscaleColorWeights[2]; |
- SetChannel(output, dst_x, dst_y, 0, |
- static_cast<int>(value * 255.0f + 0.5f)); |
- } |
- } |
- } |
- |
- // Very slow bicubic / bilinear scaler for reference. |
- void ScaleSlow(SkBitmap* input, |
- SkBitmap* output, |
- display_compositor::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 display_compositor::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 display_compositor::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 display_compositor::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 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--; |
- } |
- } |
- |
- // Swaps red and blue channels in each pixel in a 32-bit bitmap. |
- void SwizzleSKBitmap(SkBitmap* bitmap) { |
- int bpp = bitmap->bytesPerPixel(); |
- DCHECK(bpp == 4); |
- for (int y = 0; y < bitmap->height(); y++) { |
- for (int x = 0; x < bitmap->width(); x++) { |
- // Swap channels 0 and 2 (red and blue) |
- int c0 = Channel(bitmap, x, y, 0); |
- int c2 = Channel(bitmap, x, y, 2); |
- SetChannel(bitmap, x, y, 2, c0); |
- SetChannel(bitmap, x, y, 0, c2); |
- } |
- } |
- } |
- |
- // gl_helper scales recursively, so we'll need to do that |
- // in the reference implementation too. |
- void ScaleSlowRecursive(SkBitmap* input, |
- SkBitmap* output, |
- display_compositor::GLHelper::ScalerQuality quality) { |
- if (quality == display_compositor::GLHelper::SCALER_QUALITY_FAST || |
- quality == display_compositor::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.allocN32Pixels(xtmp, ytmp); |
- |
- ScaleSlowRecursive(input, &tmp, quality); |
- ScaleSlowRecursive(&tmp, output, quality); |
- } |
- |
- // Creates an RGBA SkBitmap |
- std::unique_ptr<SkBitmap> CreateTestBitmap(int width, |
- int height, |
- int test_pattern) { |
- std::unique_ptr<SkBitmap> bitmap(new SkBitmap); |
- bitmap->allocPixels(SkImageInfo::Make(width, height, kRGBA_8888_SkColorType, |
- kPremul_SkAlphaType)); |
- |
- for (int x = 0; x < width; ++x) { |
- for (int y = 0; y < height; ++y) { |
- switch (test_pattern) { |
- case 0: // Smooth test pattern |
- SetChannel(bitmap.get(), x, y, 0, x * 10); |
- SetChannel(bitmap.get(), x, y, 0, y == 0 ? x * 50 : x * 10); |
- SetChannel(bitmap.get(), x, y, 1, y * 10); |
- SetChannel(bitmap.get(), x, y, 2, (x + y) * 10); |
- SetChannel(bitmap.get(), x, y, 3, 255); |
- break; |
- case 1: // Small blocks |
- SetChannel(bitmap.get(), x, y, 0, x & 1 ? 255 : 0); |
- SetChannel(bitmap.get(), x, y, 1, y & 1 ? 255 : 0); |
- SetChannel(bitmap.get(), x, y, 2, (x + y) & 1 ? 255 : 0); |
- SetChannel(bitmap.get(), x, y, 3, 255); |
- break; |
- case 2: // Medium blocks |
- SetChannel(bitmap.get(), x, y, 0, 10 + x / 2 * 50); |
- SetChannel(bitmap.get(), x, y, 1, 10 + y / 3 * 50); |
- SetChannel(bitmap.get(), x, y, 2, (x + y) / 5 * 50 + 5); |
- SetChannel(bitmap.get(), x, y, 3, 255); |
- break; |
- } |
- } |
- } |
- return bitmap; |
- } |
- |
- // Binds texture and framebuffer and loads the bitmap pixels into the texture. |
- void BindTextureAndFrameBuffer(GLuint texture, |
- GLuint framebuffer, |
- SkBitmap* bitmap, |
- int width, |
- int height) { |
- gl_->BindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
- gl_->BindTexture(GL_TEXTURE_2D, texture); |
- gl_->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, |
- GL_UNSIGNED_BYTE, bitmap->getPixels()); |
- } |
- |
- // Create a test image, transform it using |
- // GLHelper::CropScaleReadbackAndCleanTexture and a reference implementation |
- // and compare the results. |
- void TestCropScaleReadbackAndCleanTexture(int xsize, |
- int ysize, |
- int scaled_xsize, |
- int scaled_ysize, |
- int test_pattern, |
- SkColorType out_color_type, |
- bool swizzle, |
- size_t quality_index) { |
- DCHECK(out_color_type == kAlpha_8_SkColorType || |
- out_color_type == kRGBA_8888_SkColorType || |
- out_color_type == kBGRA_8888_SkColorType); |
- GLuint src_texture; |
- gl_->GenTextures(1, &src_texture); |
- GLuint framebuffer; |
- gl_->GenFramebuffers(1, &framebuffer); |
- std::unique_ptr<SkBitmap> input_pixels = |
- CreateTestBitmap(xsize, ysize, test_pattern); |
- BindTextureAndFrameBuffer(src_texture, framebuffer, input_pixels.get(), |
- xsize, ysize); |
- |
- std::string message = base::StringPrintf( |
- "input size: %dx%d " |
- "output size: %dx%d " |
- "pattern: %d , quality: %s, " |
- "out_color_type: %d", |
- xsize, ysize, scaled_xsize, scaled_ysize, test_pattern, |
- kQualityNames[quality_index], out_color_type); |
- |
- // Transform the bitmap using GLHelper::CropScaleReadbackAndCleanTexture. |
- SkBitmap output_pixels; |
- output_pixels.allocPixels(SkImageInfo::Make( |
- scaled_xsize, scaled_ysize, out_color_type, kPremul_SkAlphaType)); |
- base::RunLoop run_loop; |
- gfx::Size encoded_texture_size; |
- helper_->CropScaleReadbackAndCleanTexture( |
- src_texture, gfx::Size(xsize, ysize), gfx::Rect(xsize, ysize), |
- gfx::Size(scaled_xsize, scaled_ysize), |
- static_cast<unsigned char*>(output_pixels.getPixels()), out_color_type, |
- base::Bind(&callcallback, run_loop.QuitClosure()), |
- kQualities[quality_index]); |
- run_loop.Run(); |
- // CropScaleReadbackAndCleanTexture flips the pixels. Flip them back. |
- FlipSKBitmap(&output_pixels); |
- |
- // If the bitmap shouldn't have changed - compare against input. |
- if (xsize == scaled_xsize && ysize == scaled_ysize && |
- out_color_type != kAlpha_8_SkColorType) { |
- const std::vector<GLHelperScaling::ScalerStage> dummy_stages; |
- Compare(input_pixels.get(), &output_pixels, 0, nullptr, dummy_stages, |
- message + " comparing against input"); |
- return; |
- } |
- |
- // Now transform the bitmap using the reference implementation. |
- SkBitmap scaled_pixels; |
- scaled_pixels.allocPixels(SkImageInfo::Make(scaled_xsize, scaled_ysize, |
- kRGBA_8888_SkColorType, |
- kPremul_SkAlphaType)); |
- SkBitmap truth_pixels; |
- // Step 1: Scale |
- ScaleSlowRecursive(input_pixels.get(), &scaled_pixels, |
- kQualities[quality_index]); |
- // Step 2: Encode to grayscale if needed. |
- if (out_color_type == kAlpha_8_SkColorType) { |
- truth_pixels.allocPixels(SkImageInfo::Make( |
- scaled_xsize, scaled_ysize, out_color_type, kPremul_SkAlphaType)); |
- EncodeToGrayscaleSlow(&scaled_pixels, &truth_pixels); |
- } else { |
- truth_pixels = scaled_pixels; |
- } |
- |
- // Now compare the results. |
- const std::vector<GLHelperScaling::ScalerStage> dummy_stages; |
- Compare(&truth_pixels, &output_pixels, 2, input_pixels.get(), dummy_stages, |
- message + " comparing against transformed/scaled"); |
- |
- gl_->DeleteTextures(1, &src_texture); |
- gl_->DeleteFramebuffers(1, &framebuffer); |
- } |
- |
- // 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_index, |
- bool flip) { |
- GLuint src_texture; |
- gl_->GenTextures(1, &src_texture); |
- GLuint framebuffer; |
- gl_->GenFramebuffers(1, &framebuffer); |
- std::unique_ptr<SkBitmap> input_pixels = |
- CreateTestBitmap(xsize, ysize, test_pattern); |
- BindTextureAndFrameBuffer(src_texture, framebuffer, input_pixels.get(), |
- xsize, ysize); |
- |
- 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_index]); |
- |
- std::vector<GLHelperScaling::ScalerStage> stages; |
- helper_scaling_->ComputeScalerStages( |
- kQualities[quality_index], gfx::Size(xsize, ysize), |
- gfx::Rect(0, 0, xsize, ysize), gfx::Size(scaled_xsize, scaled_ysize), |
- flip, false, &stages); |
- ValidateScalerStages(kQualities[quality_index], stages, |
- gfx::Size(scaled_xsize, scaled_ysize), message); |
- |
- GLuint dst_texture = helper_->CopyAndScaleTexture( |
- src_texture, gfx::Size(xsize, ysize), |
- gfx::Size(scaled_xsize, scaled_ysize), flip, kQualities[quality_index]); |
- |
- SkBitmap output_pixels; |
- output_pixels.allocPixels(SkImageInfo::Make(scaled_xsize, scaled_ysize, |
- kRGBA_8888_SkColorType, |
- kPremul_SkAlphaType)); |
- |
- helper_->ReadbackTextureSync( |
- dst_texture, gfx::Rect(0, 0, scaled_xsize, scaled_ysize), |
- static_cast<unsigned char*>(output_pixels.getPixels()), |
- kRGBA_8888_SkColorType); |
- if (flip) { |
- // Flip the pixels back. |
- FlipSKBitmap(&output_pixels); |
- } |
- |
- // If the bitmap shouldn't have changed - compare against input. |
- if (xsize == scaled_xsize && ysize == scaled_ysize) { |
- Compare(input_pixels.get(), &output_pixels, 0, nullptr, stages, |
- message + " comparing against input"); |
- return; |
- } |
- |
- // Now scale the bitmap using the reference implementation. |
- SkBitmap truth_pixels; |
- truth_pixels.allocPixels(SkImageInfo::Make(scaled_xsize, scaled_ysize, |
- kRGBA_8888_SkColorType, |
- kPremul_SkAlphaType)); |
- ScaleSlowRecursive(input_pixels.get(), &truth_pixels, |
- kQualities[quality_index]); |
- Compare(&truth_pixels, &output_pixels, 2, input_pixels.get(), stages, |
- message + " comparing against scaled"); |
- |
- gl_->DeleteTextures(1, &src_texture); |
- gl_->DeleteTextures(1, &dst_texture); |
- gl_->DeleteFramebuffers(1, &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, |
- gfx::Size(dst_xsize, dst_ysize), |
- 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(display_compositor::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(display_compositor::GLHelper::SCALER_QUALITY_GOOD, |
- stages, gfx::Size(dst_xsize, dst_ysize), ""); |
- EXPECT_EQ(PrintStages(stages), description); |
- } |
- |
- static void callcallback(const base::Callback<void()>& callback, |
- bool result) { |
- callback.Run(); |
- } |
- |
- 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.colorType() == kRGBA_8888_SkColorType || |
- bmp.colorType() == kBGRA_8888_SkColorType) { |
- *bmp.getAddr32(x, y) = (on_grid ? grid_color : background_color); |
- } else if (bmp.colorType() == kRGB_565_SkColorType) { |
- *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.colorType() == kRGBA_8888_SkColorType || |
- bmp.colorType() == kBGRA_8888_SkColorType) { |
- *bmp.getAddr32(x, y) = (use_color2 ? color2 : color1); |
- } else if (bmp.colorType() == kRGB_565_SkColorType) { |
- *bmp.getAddr16(x, y) = (use_color2 ? color2 : color1); |
- } |
- } |
- } |
- } |
- |
- bool ColorComponentsClose(SkColor component1, |
- SkColor component2, |
- SkColorType color_type) { |
- int c1 = static_cast<int>(component1); |
- int c2 = static_cast<int>(component2); |
- bool result = false; |
- switch (color_type) { |
- case kRGBA_8888_SkColorType: |
- case kBGRA_8888_SkColorType: |
- result = (std::abs(c1 - c2) == 0); |
- break; |
- case kRGB_565_SkColorType: |
- result = (std::abs(c1 - c2) <= 7); |
- break; |
- default: |
- break; |
- } |
- return result; |
- } |
- |
- bool ColorsClose(SkColor color1, SkColor color2, SkColorType color_type) { |
- bool red = ColorComponentsClose(SkColorGetR(color1), SkColorGetR(color2), |
- color_type); |
- bool green = ColorComponentsClose(SkColorGetG(color1), SkColorGetG(color2), |
- color_type); |
- bool blue = ColorComponentsClose(SkColorGetB(color1), SkColorGetB(color2), |
- color_type); |
- bool alpha = ColorComponentsClose(SkColorGetA(color1), SkColorGetA(color2), |
- color_type); |
- if (color_type == kRGB_565_SkColorType) { |
- 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.colorType() != bmp2.colorType()) |
- return false; |
- |
- 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.colorType())) { |
- LOG(ERROR) << "Bitmap color comparision failure"; |
- return false; |
- } |
- } |
- } |
- return true; |
- } |
- |
- void BindAndAttachTextureWithPixels(GLuint src_texture, |
- SkColorType color_type, |
- const gfx::Size& src_size, |
- const SkBitmap& input_pixels) { |
- gl_->BindTexture(GL_TEXTURE_2D, src_texture); |
- GLenum format = 0; |
- switch (color_type) { |
- case kBGRA_8888_SkColorType: |
- format = GL_BGRA_EXT; |
- break; |
- case kRGBA_8888_SkColorType: |
- format = GL_RGBA; |
- break; |
- case kRGB_565_SkColorType: |
- format = GL_RGB; |
- break; |
- default: |
- NOTREACHED(); |
- } |
- GLenum type = (color_type == kRGB_565_SkColorType) ? GL_UNSIGNED_SHORT_5_6_5 |
- : GL_UNSIGNED_BYTE; |
- gl_->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, |
- SkColorType color_type, |
- bool async) { |
- if (async) { |
- base::RunLoop run_loop; |
- helper_->ReadbackTextureAsync( |
- src_texture, src_size, pixels, color_type, |
- base::Bind(&callcallback, run_loop.QuitClosure())); |
- run_loop.Run(); |
- } else { |
- helper_->ReadbackTextureSync(src_texture, gfx::Rect(src_size), pixels, |
- color_type); |
- } |
- } |
- // Test basic format readback. |
- bool TestTextureFormatReadback(const gfx::Size& src_size, |
- SkColorType color_type, |
- bool async) { |
- SkImageInfo info = SkImageInfo::Make(src_size.width(), src_size.height(), |
- color_type, kPremul_SkAlphaType); |
- if (!helper_->IsReadbackConfigSupported(color_type)) { |
- LOG(INFO) << "Skipping test format not supported" << color_type; |
- return true; |
- } |
- GLuint src_texture; |
- gl_->GenTextures(1, &src_texture); |
- SkBitmap input_pixels; |
- input_pixels.allocPixels(info); |
- // Test Pattern-1, Fill with Plain color pattern. |
- // Erase the input bitmap with red color. |
- input_pixels.eraseColor(SK_ColorRED); |
- BindAndAttachTextureWithPixels(src_texture, color_type, src_size, |
- input_pixels); |
- SkBitmap output_pixels; |
- output_pixels.allocPixels(info); |
- // 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_t* pixels = static_cast<uint8_t*>(output_pixels.getPixels()); |
- ReadBackTexture(src_texture, src_size, pixels, color_type, 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, color_type, src_size, |
- input_pixels); |
- ReadBackTexture(src_texture, src_size, pixels, color_type, 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, color_type, src_size, |
- input_pixels); |
- ReadBackTexture(src_texture, src_size, pixels, color_type, async); |
- result = IsEqual(input_pixels, output_pixels); |
- if (!result) { |
- LOG(ERROR) << "Bitmap comparision failure Pattern-3"; |
- return false; |
- } |
- gl_->DeleteTextures(1, &src_texture); |
- if (HasFailure()) { |
- return false; |
- } |
- return true; |
- } |
- |
- 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( |
- display_compositor::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(display_compositor::GLHelper::SCALER_QUALITY_GOOD, |
- stages, gfx::Size(dst_xsize, dst_ysize), ""); |
- 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, 512, 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, 60, 50, "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, 1, 1, |
- "100x100 -> 100x32 bilinear4 Y\n" |
- "100x32 -> 100x4 bilinear4 Y\n" |
- "100x4 -> 64x1 bilinear2x2\n" |
- "64x1 -> 8x1 bilinear4 X\n" |
- "8x1 -> 1x1 bilinear4 X\n"); |
- } |
- |
- std::unique_ptr<gpu::GLInProcessContext> context_; |
- gpu::gles2::GLES2Interface* gl_; |
- std::unique_ptr<display_compositor::GLHelper> helper_; |
- std::unique_ptr<display_compositor::GLHelperScaling> helper_scaling_; |
- std::deque<GLHelperScaling::ScaleOp> x_ops_, y_ops_; |
- base::MessageLoop message_loop_; |
-}; |
- |
-class GLHelperPixelTest : public GLHelperTest { |
- private: |
- gl::DisableNullDrawGLBindings enable_pixel_output_; |
-}; |
- |
-TEST_F(GLHelperTest, RGBASyncReadbackTest) { |
- const int kTestSize = 64; |
- bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), |
- kRGBA_8888_SkColorType, false); |
- EXPECT_EQ(result, true); |
-} |
- |
-TEST_F(GLHelperTest, BGRASyncReadbackTest) { |
- const int kTestSize = 64; |
- bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), |
- kBGRA_8888_SkColorType, false); |
- EXPECT_EQ(result, true); |
-} |
- |
-TEST_F(GLHelperTest, RGB565SyncReadbackTest) { |
- const int kTestSize = 64; |
- bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), |
- kRGB_565_SkColorType, false); |
- EXPECT_EQ(result, true); |
-} |
- |
-TEST_F(GLHelperTest, RGBAASyncReadbackTest) { |
- const int kTestSize = 64; |
- bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), |
- kRGBA_8888_SkColorType, true); |
- EXPECT_EQ(result, true); |
-} |
- |
-TEST_F(GLHelperTest, BGRAASyncReadbackTest) { |
- const int kTestSize = 64; |
- bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), |
- kBGRA_8888_SkColorType, true); |
- EXPECT_EQ(result, true); |
-} |
- |
-TEST_F(GLHelperTest, RGB565ASyncReadbackTest) { |
- const int kTestSize = 64; |
- bool result = TestTextureFormatReadback(gfx::Size(kTestSize, kTestSize), |
- kRGB_565_SkColorType, true); |
- EXPECT_EQ(result, true); |
-} |
- |
-int kRGBReadBackSizes[] = {3, 6, 16}; |
- |
-class GLHelperPixelReadbackTest |
- : public GLHelperPixelTest, |
- public ::testing::WithParamInterface<std::tr1::tuple<unsigned int, |
- unsigned int, |
- unsigned int, |
- unsigned int, |
- unsigned int>> {}; |
- |
-// Per pixel tests, all sizes are small so that we can print |
-// out the generated bitmaps. |
-TEST_P(GLHelperPixelReadbackTest, ScaleTest) { |
- unsigned int q_index = std::tr1::get<0>(GetParam()); |
- unsigned int x = std::tr1::get<1>(GetParam()); |
- unsigned int y = std::tr1::get<2>(GetParam()); |
- unsigned int dst_x = std::tr1::get<3>(GetParam()); |
- unsigned int dst_y = std::tr1::get<4>(GetParam()); |
- |
- for (int flip = 0; flip <= 1; flip++) { |
- for (int pattern = 0; pattern < 3; pattern++) { |
- TestScale(kRGBReadBackSizes[x], kRGBReadBackSizes[y], |
- kRGBReadBackSizes[dst_x], kRGBReadBackSizes[dst_y], pattern, |
- q_index, flip == 1); |
- if (HasFailure()) { |
- return; |
- } |
- } |
- } |
-} |
- |
-// Per pixel tests, all sizes are small so that we can print |
-// out the generated bitmaps. |
-TEST_P(GLHelperPixelReadbackTest, CropScaleReadbackAndCleanTextureTest) { |
- unsigned int q_index = std::tr1::get<0>(GetParam()); |
- unsigned int x = std::tr1::get<1>(GetParam()); |
- unsigned int y = std::tr1::get<2>(GetParam()); |
- unsigned int dst_x = std::tr1::get<3>(GetParam()); |
- unsigned int dst_y = std::tr1::get<4>(GetParam()); |
- |
- const SkColorType kColorTypes[] = { |
- kAlpha_8_SkColorType, kRGBA_8888_SkColorType, kBGRA_8888_SkColorType}; |
- for (size_t color_type = 0; color_type < arraysize(kColorTypes); |
- color_type++) { |
- for (int pattern = 0; pattern < 3; pattern++) { |
- TestCropScaleReadbackAndCleanTexture( |
- kRGBReadBackSizes[x], kRGBReadBackSizes[y], kRGBReadBackSizes[dst_x], |
- kRGBReadBackSizes[dst_y], pattern, kColorTypes[color_type], false, |
- q_index); |
- if (HasFailure()) |
- return; |
- } |
- } |
-} |
- |
-INSTANTIATE_TEST_CASE_P( |
- , |
- GLHelperPixelReadbackTest, |
- ::testing::Combine( |
- ::testing::Range<unsigned int>(0, arraysize(kQualities)), |
- ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)), |
- ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)), |
- ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)), |
- ::testing::Range<unsigned int>(0, arraysize(kRGBReadBackSizes)))); |
- |
-// 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(display_compositor::GLHelper::SCALER_QUALITY_GOOD, 1024, 700, |
- 1280, 720, "1024x700 -> 1280x720 bilinear\n"); |
- // Slight downscale should use BILINEAR2X2. |
- CheckPipeline(display_compositor::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(display_compositor::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 display_compositor |