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/*
* Copyright 2013 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.
*/
#include "GLTest.h"
#include <gui/Surface.h>
#include <GLES2/gl2.h>
namespace android {
using Transaction = SurfaceComposerClient::Transaction;
static int abs(int value) {
return value > 0 ? value : -value;
}
void GLTest::SetUp() {
mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
ASSERT_EQ(EGL_SUCCESS, eglGetError());
ASSERT_NE(EGL_NO_DISPLAY, mEglDisplay);
EGLint majorVersion;
EGLint minorVersion;
EXPECT_TRUE(eglInitialize(mEglDisplay, &majorVersion, &minorVersion));
ASSERT_EQ(EGL_SUCCESS, eglGetError());
RecordProperty("EglVersionMajor", majorVersion);
RecordProperty("EglVersionMinor", minorVersion);
EGLint numConfigs = 0;
EXPECT_TRUE(eglChooseConfig(mEglDisplay, getConfigAttribs(), &mGlConfig, 1,
&numConfigs));
ASSERT_EQ(EGL_SUCCESS, eglGetError());
char* displaySecsEnv = getenv("GLTEST_DISPLAY_SECS");
if (displaySecsEnv != nullptr) {
mDisplaySecs = atoi(displaySecsEnv);
if (mDisplaySecs < 0) {
mDisplaySecs = 0;
}
} else {
mDisplaySecs = 0;
}
if (mDisplaySecs > 0) {
mComposerClient = new SurfaceComposerClient;
ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
mSurfaceControl = mComposerClient->createSurface(
String8("Test Surface"), getSurfaceWidth(), getSurfaceHeight(),
PIXEL_FORMAT_RGB_888, 0);
ASSERT_TRUE(mSurfaceControl != nullptr);
ASSERT_TRUE(mSurfaceControl->isValid());
Transaction t;
ASSERT_EQ(NO_ERROR, t.setLayer(mSurfaceControl, 0x7FFFFFFF)
.show(mSurfaceControl)
.apply());
sp<ANativeWindow> window = mSurfaceControl->getSurface();
mEglSurface = createWindowSurface(mEglDisplay, mGlConfig, window);
} else {
EGLint pbufferAttribs[] = {
EGL_WIDTH, getSurfaceWidth(),
EGL_HEIGHT, getSurfaceHeight(),
EGL_NONE };
mEglSurface = eglCreatePbufferSurface(mEglDisplay, mGlConfig,
pbufferAttribs);
}
ASSERT_EQ(EGL_SUCCESS, eglGetError());
ASSERT_NE(EGL_NO_SURFACE, mEglSurface);
mEglContext = eglCreateContext(mEglDisplay, mGlConfig, EGL_NO_CONTEXT,
getContextAttribs());
ASSERT_EQ(EGL_SUCCESS, eglGetError());
ASSERT_NE(EGL_NO_CONTEXT, mEglContext);
EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
mEglContext));
ASSERT_EQ(EGL_SUCCESS, eglGetError());
EGLint w, h;
EXPECT_TRUE(eglQuerySurface(mEglDisplay, mEglSurface, EGL_WIDTH, &w));
ASSERT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_TRUE(eglQuerySurface(mEglDisplay, mEglSurface, EGL_HEIGHT, &h));
ASSERT_EQ(EGL_SUCCESS, eglGetError());
RecordProperty("EglSurfaceWidth", w);
RecordProperty("EglSurfaceHeight", h);
glViewport(0, 0, w, h);
ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
}
void GLTest::TearDown() {
// Display the result
if (mDisplaySecs > 0 && mEglSurface != EGL_NO_SURFACE) {
eglSwapBuffers(mEglDisplay, mEglSurface);
sleep(mDisplaySecs);
}
if (mComposerClient != nullptr) {
mComposerClient->dispose();
}
if (mEglContext != EGL_NO_CONTEXT) {
eglDestroyContext(mEglDisplay, mEglContext);
}
if (mEglSurface != EGL_NO_SURFACE) {
eglDestroySurface(mEglDisplay, mEglSurface);
}
if (mEglDisplay != EGL_NO_DISPLAY) {
eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
EGL_NO_CONTEXT);
eglTerminate(mEglDisplay);
}
ASSERT_EQ(EGL_SUCCESS, eglGetError());
}
EGLint const* GLTest::getConfigAttribs() {
static const EGLint sDefaultConfigAttribs[] = {
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 16,
EGL_STENCIL_SIZE, 8,
EGL_NONE };
return sDefaultConfigAttribs;
}
EGLint const* GLTest::getContextAttribs() {
static const EGLint sDefaultContextAttribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE };
return sDefaultContextAttribs;
}
EGLint GLTest::getSurfaceWidth() {
return 512;
}
EGLint GLTest::getSurfaceHeight() {
return 512;
}
EGLSurface GLTest::createWindowSurface(EGLDisplay display, EGLConfig config,
sp<ANativeWindow>& window) const {
return eglCreateWindowSurface(display, config, window.get(), nullptr);
}
::testing::AssertionResult GLTest::checkPixel(int x, int y,
int r, int g, int b, int a, int tolerance) {
GLubyte pixel[4];
String8 msg;
glReadPixels(x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
GLenum err = glGetError();
if (err != GL_NO_ERROR) {
msg += String8::format("error reading pixel: %#x", err);
while ((err = glGetError()) != GL_NO_ERROR) {
msg += String8::format(", %#x", err);
}
return ::testing::AssertionFailure(::testing::Message(msg.c_str()));
}
if (r >= 0 && abs(r - int(pixel[0])) > tolerance) {
msg += String8::format("r(%d isn't %d)", pixel[0], r);
}
if (g >= 0 && abs(g - int(pixel[1])) > tolerance) {
if (!msg.empty()) {
msg += " ";
}
msg += String8::format("g(%d isn't %d)", pixel[1], g);
}
if (b >= 0 && abs(b - int(pixel[2])) > tolerance) {
if (!msg.empty()) {
msg += " ";
}
msg += String8::format("b(%d isn't %d)", pixel[2], b);
}
if (a >= 0 && abs(a - int(pixel[3])) > tolerance) {
if (!msg.empty()) {
msg += " ";
}
msg += String8::format("a(%d isn't %d)", pixel[3], a);
}
if (!msg.empty()) {
return ::testing::AssertionFailure(::testing::Message(msg.c_str()));
} else {
return ::testing::AssertionSuccess();
}
}
::testing::AssertionResult GLTest::assertRectEq(const Rect &r1, const Rect &r2,
int tolerance) {
String8 msg;
if (abs(r1.left - r2.left) > tolerance) {
msg += String8::format("left(%d isn't %d)", r1.left, r2.left);
}
if (abs(r1.top - r2.top) > tolerance) {
if (!msg.empty()) {
msg += " ";
}
msg += String8::format("top(%d isn't %d)", r1.top, r2.top);
}
if (abs(r1.right - r2.right) > tolerance) {
if (!msg.empty()) {
msg += " ";
}
msg += String8::format("right(%d isn't %d)", r1.right, r2.right);
}
if (abs(r1.bottom - r2.bottom) > tolerance) {
if (!msg.empty()) {
msg += " ";
}
msg += String8::format("bottom(%d isn't %d)", r1.bottom, r2.bottom);
}
if (!msg.empty()) {
msg += String8::format(" R1: [%d %d %d %d] R2: [%d %d %d %d]",
r1.left, r1.top, r1.right, r1.bottom,
r2.left, r2.top, r2.right, r2.bottom);
fprintf(stderr, "assertRectEq: %s\n", msg.c_str());
return ::testing::AssertionFailure(::testing::Message(msg.c_str()));
} else {
return ::testing::AssertionSuccess();
}
}
void GLTest::loadShader(GLenum shaderType, const char* pSource,
GLuint* outShader) {
GLuint shader = glCreateShader(shaderType);
ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
if (shader) {
glShaderSource(shader, 1, &pSource, nullptr);
ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
glCompileShader(shader);
ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
GLint compiled = 0;
glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
if (!compiled) {
GLint infoLen = 0;
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLen);
ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
if (infoLen) {
char* buf = (char*) malloc(infoLen);
if (buf) {
glGetShaderInfoLog(shader, infoLen, nullptr, buf);
printf("Shader compile log:\n%s\n", buf);
free(buf);
FAIL();
}
} else {
char* buf = (char*) malloc(0x1000);
if (buf) {
glGetShaderInfoLog(shader, 0x1000, nullptr, buf);
printf("Shader compile log:\n%s\n", buf);
free(buf);
FAIL();
}
}
glDeleteShader(shader);
shader = 0;
}
}
ASSERT_TRUE(shader != 0);
*outShader = shader;
}
void GLTest::createProgram(const char* pVertexSource,
const char* pFragmentSource, GLuint* outPgm) {
GLuint vertexShader, fragmentShader;
{
SCOPED_TRACE("compiling vertex shader");
ASSERT_NO_FATAL_FAILURE(loadShader(GL_VERTEX_SHADER, pVertexSource,
&vertexShader));
}
{
SCOPED_TRACE("compiling fragment shader");
ASSERT_NO_FATAL_FAILURE(loadShader(GL_FRAGMENT_SHADER, pFragmentSource,
&fragmentShader));
}
GLuint program = glCreateProgram();
ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
if (program) {
glAttachShader(program, vertexShader);
ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
glAttachShader(program, fragmentShader);
ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
glLinkProgram(program);
GLint linkStatus = GL_FALSE;
glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
if (linkStatus != GL_TRUE) {
GLint bufLength = 0;
glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength);
if (bufLength) {
char* buf = (char*) malloc(bufLength);
if (buf) {
glGetProgramInfoLog(program, bufLength, nullptr, buf);
printf("Program link log:\n%s\n", buf);
free(buf);
FAIL();
}
}
glDeleteProgram(program);
program = 0;
}
}
glDeleteShader(vertexShader);
glDeleteShader(fragmentShader);
ASSERT_TRUE(program != 0);
*outPgm = program;
}
} // namespace android