/*-------------------------------------------------------------------------
* drawElements Quality Program EGL Module
* ---------------------------------------
*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Test eglSwapBuffers() interaction with native window.
*//*--------------------------------------------------------------------*/
#include "teglSwapBuffersTests.hpp"
#include "teglSimpleConfigCase.hpp"
#include "egluNativeWindow.hpp"
#include "egluUtil.hpp"
#include "egluUnique.hpp"
#include "eglwLibrary.hpp"
#include "eglwEnums.hpp"
#include "gluDefs.hpp"
#include "glwEnums.hpp"
#include "glwFunctions.hpp"
#include "tcuTestLog.hpp"
#include "tcuSurface.hpp"
#include "tcuTexture.hpp"
#include "tcuTextureUtil.hpp"
#include "tcuImageCompare.hpp"
#include "tcuVector.hpp"
#include "tcuVectorUtil.hpp"
#include "deUniquePtr.hpp"
#include "deThread.hpp"
#include <string>
#include <vector>
#include <sstream>
namespace deqp
{
namespace egl
{
using tcu::TestLog;
using std::string;
using std::vector;
using namespace eglw;
namespace
{
EGLContext createGLES2Context (const Library& egl, EGLDisplay display, EGLConfig config)
{
EGLContext context = EGL_NO_CONTEXT;
const EGLint attribList[] =
{
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
EGLU_CHECK_CALL(egl, bindAPI(EGL_OPENGL_ES_API));
context = egl.createContext(display, config, EGL_NO_CONTEXT, attribList);
EGLU_CHECK_MSG(egl, "eglCreateContext() failed");
TCU_CHECK(context);
return context;
}
class SwapBuffersTest : public SimpleConfigCase
{
public:
SwapBuffersTest (EglTestContext& eglTestCtx, const NamedFilterList& filters);
~SwapBuffersTest (void);
private:
void executeForConfig (EGLDisplay display, EGLConfig config);
// Not allowed
SwapBuffersTest (const SwapBuffersTest&);
SwapBuffersTest& operator= (const SwapBuffersTest&);
};
SwapBuffersTest::SwapBuffersTest (EglTestContext& eglTestCtx, const NamedFilterList& filters)
: SimpleConfigCase(eglTestCtx, filters.getName(), filters.getDescription(), filters)
{
}
SwapBuffersTest::~SwapBuffersTest (void)
{
}
string getConfigIdString (const Library& egl, EGLDisplay display, EGLConfig config)
{
std::ostringstream stream;
EGLint id;
EGLU_CHECK_CALL(egl, getConfigAttrib(display, config , EGL_CONFIG_ID, &id));
stream << id;
return stream.str();
}
deUint32 createGLES2Program (const glw::Functions& gl, TestLog& log)
{
const char* const vertexShaderSource =
"attribute highp vec2 a_pos;\n"
"void main (void)\n"
"{\n"
"\tgl_Position = vec4(a_pos, 0.0, 1.0);\n"
"}";
const char* const fragmentShaderSource =
"void main (void)\n"
"{\n"
"\tgl_FragColor = vec4(0.9, 0.1, 0.4, 1.0);\n"
"}";
deUint32 program = 0;
deUint32 vertexShader = 0;
deUint32 fragmentShader = 0;
deInt32 vertexCompileStatus;
string vertexInfoLog;
deInt32 fragmentCompileStatus;
string fragmentInfoLog;
deInt32 linkStatus;
string programInfoLog;
try
{
program = gl.createProgram();
vertexShader = gl.createShader(GL_VERTEX_SHADER);
fragmentShader = gl.createShader(GL_FRAGMENT_SHADER);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to create shaders and program");
gl.shaderSource(vertexShader, 1, &vertexShaderSource, DE_NULL);
gl.compileShader(vertexShader);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup vertex shader");
gl.shaderSource(fragmentShader, 1, &fragmentShaderSource, DE_NULL);
gl.compileShader(fragmentShader);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup fragment shader");
{
deInt32 infoLogLength = 0;
gl.getShaderiv(vertexShader, GL_COMPILE_STATUS, &vertexCompileStatus);
gl.getShaderiv(vertexShader, GL_INFO_LOG_LENGTH, &infoLogLength);
vertexInfoLog.resize(infoLogLength, '\0');
gl.getShaderInfoLog(vertexShader, (glw::GLsizei)vertexInfoLog.length(), &infoLogLength, &(vertexInfoLog[0]));
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to get vertex shader compile info");
vertexInfoLog.resize(infoLogLength);
}
{
deInt32 infoLogLength = 0;
gl.getShaderiv(fragmentShader, GL_COMPILE_STATUS, &fragmentCompileStatus);
gl.getShaderiv(fragmentShader, GL_INFO_LOG_LENGTH, &infoLogLength);
fragmentInfoLog.resize(infoLogLength, '\0');
gl.getShaderInfoLog(fragmentShader, (glw::GLsizei)fragmentInfoLog.length(), &infoLogLength, &(fragmentInfoLog[0]));
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to get fragment shader compile info");
fragmentInfoLog.resize(infoLogLength);
}
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup program");
{
deInt32 infoLogLength = 0;
gl.getProgramiv(program, GL_LINK_STATUS, &linkStatus);
gl.getProgramiv(program, GL_INFO_LOG_LENGTH, &infoLogLength);
programInfoLog.resize(infoLogLength, '\0');
gl.getProgramInfoLog(program, (glw::GLsizei)programInfoLog.length(), &infoLogLength, &(programInfoLog[0]));
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to get program link info");
programInfoLog.resize(infoLogLength);
}
if (linkStatus == 0 || vertexCompileStatus == 0 || fragmentCompileStatus == 0)
{
log.startShaderProgram(linkStatus != 0, programInfoLog.c_str());
log << TestLog::Shader(QP_SHADER_TYPE_VERTEX, vertexShaderSource, vertexCompileStatus != 0, vertexInfoLog);
log << TestLog::Shader(QP_SHADER_TYPE_FRAGMENT, fragmentShaderSource, fragmentCompileStatus != 0, fragmentInfoLog);
log.endShaderProgram();
}
gl.deleteShader(vertexShader);
gl.deleteShader(fragmentShader);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to delete shaders");
TCU_CHECK(linkStatus != 0 && vertexCompileStatus != 0 && fragmentCompileStatus != 0);
}
catch (...)
{
if (program)
gl.deleteProgram(program);
if (vertexShader)
gl.deleteShader(vertexShader);
if (fragmentShader)
gl.deleteShader(fragmentShader);
throw;
}
return program;
}
bool checkColor (tcu::TestLog& log, const tcu::TextureLevel& screen, const tcu::Vec4& color)
{
const tcu::Vec4 threshold(0.01f, 0.01f, 0.01f, 1.00f);
for (int y = 0; y < screen.getHeight(); y++)
{
for (int x = 0; x < screen.getWidth(); x++)
{
const tcu::Vec4 pixel(screen.getAccess().getPixel(x, y));
const tcu::Vec4 diff(abs(pixel - color));
if (!boolAll(lessThanEqual(diff, threshold)))
{
log << TestLog::Message << "Unexpected color values read from screen expected: " << color << TestLog::EndMessage;
log << TestLog::Image("Screen", "Screen", screen.getAccess());
return false;
}
}
}
return true;
}
void SwapBuffersTest::executeForConfig (EGLDisplay display, EGLConfig config)
{
const Library& egl = m_eglTestCtx.getLibrary();
const string configIdStr (getConfigIdString(egl, display, config));
tcu::ScopedLogSection logSection (m_testCtx.getLog(), ("Config ID " + configIdStr).c_str(), ("Config ID " + configIdStr).c_str());
const int waitFrames = 5;
const eglu::NativeWindowFactory& factory = eglu::selectNativeWindowFactory(m_eglTestCtx.getNativeDisplayFactory(), m_testCtx.getCommandLine());
if ((factory.getCapabilities() & eglu::NativeWindow::CAPABILITY_READ_SCREEN_PIXELS) == 0)
TCU_THROW(NotSupportedError, "eglu::NativeWindow doesn't support readScreenPixels()");
{
TestLog& log = m_testCtx.getLog();
log << TestLog::Message << "EGL_RED_SIZE: " << eglu::getConfigAttribInt(egl, display, config, EGL_RED_SIZE) << TestLog::EndMessage;
log << TestLog::Message << "EGL_GREEN_SIZE: " << eglu::getConfigAttribInt(egl, display, config, EGL_GREEN_SIZE) << TestLog::EndMessage;
log << TestLog::Message << "EGL_BLUE_SIZE: " << eglu::getConfigAttribInt(egl, display, config, EGL_BLUE_SIZE) << TestLog::EndMessage;
log << TestLog::Message << "EGL_ALPHA_SIZE: " << eglu::getConfigAttribInt(egl, display, config, EGL_ALPHA_SIZE) << TestLog::EndMessage;
log << TestLog::Message << "EGL_DEPTH_SIZE: " << eglu::getConfigAttribInt(egl, display, config, EGL_DEPTH_SIZE) << TestLog::EndMessage;
log << TestLog::Message << "EGL_STENCIL_SIZE: " << eglu::getConfigAttribInt(egl, display, config, EGL_STENCIL_SIZE) << TestLog::EndMessage;
log << TestLog::Message << "EGL_SAMPLES: " << eglu::getConfigAttribInt(egl, display, config, EGL_SAMPLES) << TestLog::EndMessage;
log << TestLog::Message << "Waiting " << waitFrames * 16 << "ms after eglSwapBuffers() and glFinish() for frame to become visible" << TestLog::EndMessage;
}
de::UniquePtr<eglu::NativeWindow> window (factory.createWindow(&m_eglTestCtx.getNativeDisplay(), display, config, DE_NULL, eglu::WindowParams(128, 128, eglu::WindowParams::VISIBILITY_VISIBLE)));
eglu::UniqueSurface surface (egl, display, eglu::createWindowSurface(m_eglTestCtx.getNativeDisplay(), *window, display, config, DE_NULL));
eglu::UniqueContext context (egl, display, createGLES2Context(egl, display, config));
glw::Functions gl;
deUint32 program = 0;
tcu::TextureLevel whiteFrame;
tcu::TextureLevel blackFrame;
tcu::TextureLevel frameBegin;
tcu::TextureLevel frameEnd;
m_eglTestCtx.initGLFunctions(&gl, glu::ApiType::es(2,0));
EGLU_CHECK_CALL(egl, makeCurrent(display, *surface, *surface, *context));
try
{
const float positions1[] = {
0.00f, 0.00f,
0.75f, 0.00f,
0.75f, 0.75f,
0.75f, 0.75f,
0.00f, 0.75f,
0.00f, 0.00f
};
const float positions2[] = {
-0.75f, -0.75f,
0.00f, -0.75f,
0.00f, 0.00f,
0.00f, 0.00f,
-0.75f, 0.00f,
-0.75f, -0.75f
};
deUint32 posLocation;
program = createGLES2Program(gl, m_testCtx.getLog());
gl.useProgram(program);
posLocation = gl.getAttribLocation(program, "a_pos");
gl.enableVertexAttribArray(posLocation);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup shader program for rendering");
// Clear screen to white and check that sceen is white
gl.clearColor(1.0f, 1.0f, 1.0f, 1.0f);
gl.clear(GL_COLOR_BUFFER_BIT);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear surface");
EGLU_CHECK_CALL(egl, swapBuffers(display, *surface));
gl.finish();
GLU_EXPECT_NO_ERROR(gl.getError(), "glFinish() failed");
deSleep(waitFrames * 16);
window->processEvents();
window->readScreenPixels(&whiteFrame);
if (!checkColor(m_testCtx.getLog(), whiteFrame, tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f)))
{
m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Couldn't reliably read pixels from screen");
return;
}
// Clear screen to black and check that sceen is black
gl.clearColor(0.0f, 0.0f, 0.0f, 1.0f);
gl.clear(GL_COLOR_BUFFER_BIT);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear surface");
EGLU_CHECK_CALL(egl, swapBuffers(display, *surface));
gl.finish();
GLU_EXPECT_NO_ERROR(gl.getError(), "glFinish() failed");
deSleep(waitFrames * 16);
window->processEvents();
window->readScreenPixels(&blackFrame);
if (!checkColor(m_testCtx.getLog(), blackFrame, tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f)))
{
m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Couldn't reliably read pixels from screen");
return;
}
gl.clearColor(0.7f, 1.0f, 0.3f, 1.0f);
gl.clear(GL_COLOR_BUFFER_BIT);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear surface");
gl.vertexAttribPointer(posLocation, 2, GL_FLOAT, GL_FALSE, 0, positions1);
gl.drawArrays(GL_TRIANGLES, 0, 6);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render");
EGLU_CHECK_CALL(egl, swapBuffers(display, *surface));
gl.finish();
GLU_EXPECT_NO_ERROR(gl.getError(), "glFinish() failed");
deSleep(waitFrames * 16);
window->processEvents();
window->readScreenPixels(&frameBegin);
gl.clearColor(0.7f, 0.7f, 1.0f, 1.0f);
gl.clear(GL_COLOR_BUFFER_BIT);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear surface");
gl.vertexAttribPointer(posLocation, 2, GL_FLOAT, GL_FALSE, 0, positions2);
gl.drawArrays(GL_TRIANGLES, 0, 6);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render");
gl.finish();
GLU_EXPECT_NO_ERROR(gl.getError(), "glFinish() failed");
deSleep(waitFrames * 16);
window->readScreenPixels(&frameEnd);
EGLU_CHECK_CALL(egl, swapBuffers(display, *surface));
gl.finish();
GLU_EXPECT_NO_ERROR(gl.getError(), "glFinish() failed");
deSleep(waitFrames * 16);
window->processEvents();
gl.disableVertexAttribArray(posLocation);
gl.useProgram(0);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to release program state");
gl.deleteProgram(program);
program = 0;
GLU_EXPECT_NO_ERROR(gl.getError(), "glDeleteProgram()");
if (!tcu::intThresholdCompare(m_testCtx.getLog(), "Compare end of frame against beginning of frame" , "Compare end of frame against beginning of frame", frameBegin.getAccess(), frameEnd.getAccess(), tcu::UVec4(0, 0, 0, 0), tcu::COMPARE_LOG_RESULT))
m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Screen pixels changed during frame");
}
catch (...)
{
if (program != 0)
gl.deleteProgram(program);
EGLU_CHECK_CALL(egl, makeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT));
throw;
}
EGLU_CHECK_CALL(egl, makeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT));
}
} // anonymous
SwapBuffersTests::SwapBuffersTests (EglTestContext& eglTestCtx)
: TestCaseGroup(eglTestCtx, "swap_buffers", "Swap buffers tests")
{
}
static bool isWindow (const eglu::CandidateConfig& c) { return (c.surfaceType() & EGL_WINDOW_BIT) != 0; }
void SwapBuffersTests::init (void)
{
eglu::FilterList baseFilters;
baseFilters << isWindow;
vector<NamedFilterList> filterLists;
getDefaultFilterLists(filterLists, baseFilters);
for (vector<NamedFilterList>::iterator i = filterLists.begin(); i != filterLists.end(); i++)
addChild(new SwapBuffersTest(m_eglTestCtx, *i));
}
} // egl
} // deqp