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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <GLES2/gl2.h>
#include <GLES2/gl2chromium.h>
#include <GLES2/gl2ext.h>
#include <GLES2/gl2extchromium.h>
#include <stdint.h>
#include <array>
#include <memory>
#include "base/functional/bind.h"
#include "base/memory/ref_counted.h"
#include "base/process/process_handle.h"
#include "build/build_config.h"
#include "gpu/command_buffer/client/gles2_implementation.h"
#include "gpu/command_buffer/service/command_buffer_service.h"
#include "gpu/command_buffer/tests/gl_manager.h"
#include "gpu/command_buffer/tests/gl_test_utils.h"
#include "gpu/config/gpu_test_config.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/libyuv/include/libyuv.h"
#include "ui/gfx/buffer_format_util.h"
#include "ui/gfx/gpu_memory_buffer.h"
#include "ui/gfx/half_float.h"
#include "ui/gl/test/gl_test_support.h"
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
#include "ui/gfx/linux/client_native_pixmap_factory_dmabuf.h"
#endif
#define SKIP_TEST_IF(cmd) \
do { \
if (cmd) { \
LOG(INFO) << "Skip test because " << #cmd; \
return; \
} \
} while (false)
using testing::_;
using testing::IgnoreResult;
using testing::InvokeWithoutArgs;
using testing::Invoke;
using testing::Return;
using testing::SetArgPointee;
using testing::StrictMock;
namespace gpu {
namespace gles2 {
static const int kImageWidth = 32;
static const int kImageHeight = 32;
class GpuMemoryBufferTest : public testing::TestWithParam<gfx::BufferFormat> {
protected:
void SetUp() override {
GLManager::Options options;
options.size = gfx::Size(kImageWidth, kImageHeight);
gl_.Initialize(options);
gl_.MakeCurrent();
}
void TearDown() override {
gl_.Destroy();
}
GLManager gl_;
};
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
class GpuMemoryBufferTestEGL : public testing::Test,
public gpu::GpuCommandBufferTestEGL {
public:
GpuMemoryBufferTestEGL()
: native_pixmap_factory_(gfx::CreateClientNativePixmapFactoryDmabuf()) {}
protected:
void SetUp() override {
egl_initialized_ = InitializeEGL(kImageWidth, kImageHeight);
gl_.set_use_native_pixmap_memory_buffers(true);
}
void TearDown() override { RestoreGLDefault(); }
bool egl_initialized_{false};
std::unique_ptr<gfx::ClientNativePixmapFactory> native_pixmap_factory_;
};
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
namespace {
#define SHADER(Src) #Src
uint32_t BufferFormatToFourCC(gfx::BufferFormat format) {
switch (format) {
case gfx::BufferFormat::BGR_565:
return libyuv::FOURCC_ANY; // libyuv::FOURCC_RGBP has wrong endianness.
case gfx::BufferFormat::RGBA_4444:
return libyuv::FOURCC_ANY; // libyuv::FOURCC_R444 has wrong endianness.
case gfx::BufferFormat::RGBA_8888:
return libyuv::FOURCC_ABGR;
case gfx::BufferFormat::BGRA_8888:
return libyuv::FOURCC_ARGB;
case gfx::BufferFormat::RGBA_1010102:
return libyuv::FOURCC_AB30;
case gfx::BufferFormat::BGRA_1010102:
return libyuv::FOURCC_AR30;
case gfx::BufferFormat::YUV_420_BIPLANAR:
return libyuv::FOURCC_NV12;
case gfx::BufferFormat::YVU_420:
return libyuv::FOURCC_YV12;
case gfx::BufferFormat::R_8:
case gfx::BufferFormat::R_16:
case gfx::BufferFormat::RG_88:
case gfx::BufferFormat::RG_1616:
case gfx::BufferFormat::RGBA_F16:
case gfx::BufferFormat::BGRX_8888:
case gfx::BufferFormat::RGBX_8888:
case gfx::BufferFormat::YUVA_420_TRIPLANAR:
case gfx::BufferFormat::P010:
return libyuv::FOURCC_ANY;
}
NOTREACHED();
}
} // namespace
// Verifies that the read-back colour after map-write-unmap is the original.
TEST_P(GpuMemoryBufferTest, MapUnmap) {
const gfx::BufferFormat buffer_format = GetParam();
const uint32_t libyuv_fourcc = BufferFormatToFourCC(buffer_format);
if (libyuv_fourcc == static_cast<uint32_t>(libyuv::FOURCC_ANY)) {
LOG(WARNING) << gfx::BufferFormatToString(buffer_format)
<< " not supported, skipping test";
return;
}
std::unique_ptr<gfx::GpuMemoryBuffer> buffer(gl_.CreateGpuMemoryBuffer(
gfx::Size(kImageWidth, kImageHeight), buffer_format));
ASSERT_TRUE(buffer->Map());
ASSERT_NE(nullptr, buffer->memory(0));
ASSERT_NE(0, buffer->stride(0));
constexpr uint8_t color_rgba[] = {127u, 0u, 0u, 255u};
constexpr auto color_bgra = std::to_array<uint8_t>({0u, 0u, 127u, 255u});
const size_t num_planes = NumberOfPlanesForLinearBufferFormat(buffer_format);
for (size_t plane = 0; plane < num_planes; ++plane) {
gl::GLTestSupport::SetBufferDataToColor(
kImageWidth, kImageHeight, buffer->stride(plane), plane, buffer_format,
color_rgba, static_cast<uint8_t*>(buffer->memory(plane)));
}
buffer->Unmap();
ASSERT_TRUE(buffer->Map());
ASSERT_NE(nullptr, buffer->memory(0));
ASSERT_NE(0, buffer->stride(0));
const uint8_t* data = static_cast<uint8_t*>(buffer->memory(0));
const int stride = buffer->stride(0);
// libyuv defines the formats as word-order.
std::array<uint8_t, kImageWidth * kImageHeight * 4> argb = {};
const int result = libyuv::ConvertToARGB(
data, stride * kImageWidth, argb.data(),
kImageWidth /* dst_stride_argb */, 0 /* crop_x */, 0 /* crop_y */,
kImageWidth, kImageHeight, kImageWidth /* rop_width */,
kImageHeight /* crop_height */, libyuv::kRotate0, libyuv_fourcc);
constexpr int max_error = 2;
ASSERT_EQ(result, 0) << gfx::BufferFormatToString(buffer_format);
int bad_count = 0;
for (int y = 0; y < kImageHeight; ++y) {
for (int x = 0; x < kImageWidth; ++x) {
int offset = y * kImageWidth + x * 4;
for (int c = 0; c < 4; ++c) {
// |argb| in word order is read as B, G, R, A on little endian .
const uint8_t actual = argb[offset + c];
const uint8_t expected = color_bgra[c];
EXPECT_NEAR(expected, actual, max_error)
<< " at " << x << ", " << y << " channel " << c;
bad_count += std::abs(actual - expected) > max_error;
// Exit early just so we don't spam the log but we print enough to
// hopefully make it easy to diagnose the issue.
ASSERT_LE(bad_count, 4);
}
}
}
buffer->Unmap();
}
INSTANTIATE_TEST_SUITE_P(
GpuMemoryBufferTests,
GpuMemoryBufferTest,
::testing::Values(gfx::BufferFormat::R_8,
gfx::BufferFormat::BGR_565,
gfx::BufferFormat::RGBA_4444,
gfx::BufferFormat::RGBA_8888,
gfx::BufferFormat::RGBA_1010102,
gfx::BufferFormat::BGRA_1010102,
gfx::BufferFormat::BGRA_8888,
gfx::BufferFormat::RGBA_F16,
gfx::BufferFormat::YVU_420,
gfx::BufferFormat::YUV_420_BIPLANAR));
} // namespace gles2
} // namespace gpu
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