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// Copyright 2017 The SwiftShader Authors. All Rights Reserved.
//
// 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 "gtest/gtest.h"
#include "gmock/gmock.h"
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#if defined(_WIN32)
#include <Windows.h>
#endif
class SwiftShaderTest : public testing::Test
{
protected:
void SetUp() override
{
#if defined(_WIN32) && !defined(STANDALONE)
// The DLLs are delay loaded (see BUILD.gn), so we can load
// the correct ones from Chrome's swiftshader subdirectory.
HMODULE libEGL = LoadLibraryA("swiftshader\\libEGL.dll");
EXPECT_NE((HMODULE)NULL, libEGL);
HMODULE libGLESv2 = LoadLibraryA("swiftshader\\libGLESv2.dll");
EXPECT_NE((HMODULE)NULL, libGLESv2);
#endif
}
};
TEST_F(SwiftShaderTest, Initalization)
{
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_NE(EGL_NO_DISPLAY, display);
eglQueryString(display, EGL_VENDOR);
EXPECT_EQ(EGL_NOT_INITIALIZED, eglGetError());
EGLint major;
EGLint minor;
EGLBoolean initialized = eglInitialize(display, &major, &minor);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ((EGLBoolean)EGL_TRUE, initialized);
EXPECT_EQ(1, major);
EXPECT_EQ(4, minor);
const char *eglVendor = eglQueryString(display, EGL_VENDOR);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_STREQ("Google Inc.", eglVendor);
const char *eglVersion = eglQueryString(display, EGL_VERSION);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_THAT(eglVersion, testing::HasSubstr("1.4 SwiftShader "));
eglBindAPI(EGL_OPENGL_ES_API);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
const EGLint configAttributes[] =
{
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE
};
EGLConfig config;
EGLint num_config = -1;
EGLBoolean success = eglChooseConfig(display, configAttributes, &config, 1, &num_config);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(num_config, 1);
EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
EGLint conformant = 0;
eglGetConfigAttrib(display, config, EGL_CONFORMANT, &conformant);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_TRUE(conformant & EGL_OPENGL_ES2_BIT);
EGLint renderableType = 0;
eglGetConfigAttrib(display, config, EGL_RENDERABLE_TYPE, &renderableType);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_TRUE(renderableType & EGL_OPENGL_ES2_BIT);
EGLint surfaceType = 0;
eglGetConfigAttrib(display, config, EGL_RENDERABLE_TYPE, &surfaceType);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_TRUE(surfaceType & EGL_WINDOW_BIT);
EGLint surfaceAttributes[] =
{
EGL_WIDTH, 1920,
EGL_HEIGHT, 1080,
EGL_NONE
};
EGLSurface surface = eglCreatePbufferSurface(display, config, surfaceAttributes);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_NE(EGL_NO_SURFACE, surface);
EGLint contextAttributes[] =
{
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
EGLContext context = eglCreateContext(display, config, NULL, contextAttributes);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_NE(EGL_NO_CONTEXT, context);
success = eglMakeCurrent(display, surface, surface, context);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
EGLDisplay currentDisplay = eglGetCurrentDisplay();
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(display, currentDisplay);
EGLSurface currentDrawSurface = eglGetCurrentSurface(EGL_DRAW);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(surface, currentDrawSurface);
EGLSurface currentReadSurface = eglGetCurrentSurface(EGL_READ);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(surface, currentReadSurface);
EGLContext currentContext = eglGetCurrentContext();
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(context, currentContext);
EXPECT_EQ((GLenum)GL_NO_ERROR, glGetError());
const GLubyte *glVendor = glGetString(GL_VENDOR);
EXPECT_EQ((GLenum)GL_NO_ERROR, glGetError());
EXPECT_STREQ("Google Inc.", (const char*)glVendor);
const GLubyte *glRenderer = glGetString(GL_RENDERER);
EXPECT_EQ((GLenum)GL_NO_ERROR, glGetError());
EXPECT_STREQ("Google SwiftShader", (const char*)glRenderer);
const GLubyte *glVersion = glGetString(GL_VERSION);
EXPECT_EQ((GLenum)GL_NO_ERROR, glGetError());
EXPECT_THAT((const char*)glVersion, testing::HasSubstr("OpenGL ES 2.0 SwiftShader "));
success = eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
currentDisplay = eglGetCurrentDisplay();
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(EGL_NO_DISPLAY, currentDisplay);
currentDrawSurface = eglGetCurrentSurface(EGL_DRAW);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(EGL_NO_SURFACE, currentDrawSurface);
currentReadSurface = eglGetCurrentSurface(EGL_READ);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(EGL_NO_SURFACE, currentReadSurface);
currentContext = eglGetCurrentContext();
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(EGL_NO_CONTEXT, currentContext);
success = eglDestroyContext(display, context);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
success = eglDestroySurface(display, surface);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
success = eglTerminate(display);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
}