glfw/tests/defaults.c
2012-11-22 17:04:54 +01:00

131 lines
3.6 KiB
C

//========================================================================
// Default window/context test
// Copyright (c) Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
//
// This test creates a windowed mode window with all parameters set to
// default values and then reports the actual parameters of the created
// window and context
//
//========================================================================
#include <GL/glfw3.h>
#include <GL/glext.h>
#include <stdio.h>
#include <stdlib.h>
typedef struct
{
int param;
const char* ext;
const char* name;
} ParamGL;
typedef struct
{
int param;
const char* name;
} ParamGLFW;
static ParamGL gl_params[] =
{
{ GL_RED_BITS, NULL, "red bits" },
{ GL_GREEN_BITS, NULL, "green bits" },
{ GL_BLUE_BITS, NULL, "blue bits" },
{ GL_ALPHA_BITS, NULL, "alpha bits" },
{ GL_DEPTH_BITS, NULL, "depth bits" },
{ GL_STENCIL_BITS, NULL, "stencil bits" },
{ GL_STEREO, NULL, "stereo" },
{ GL_SAMPLES_ARB, "GL_ARB_multisample", "FSAA samples" },
{ 0, NULL, NULL }
};
static ParamGLFW glfw_params[] =
{
{ GLFW_REFRESH_RATE, "refresh rate" },
{ GLFW_OPENGL_VERSION_MAJOR, "OpenGL major" },
{ GLFW_OPENGL_VERSION_MINOR, "OpenGL minor" },
{ GLFW_OPENGL_FORWARD_COMPAT, "OpenGL forward compatible" },
{ GLFW_OPENGL_DEBUG_CONTEXT, "OpenGL debug context" },
{ GLFW_OPENGL_PROFILE, "OpenGL profile" },
{ 0, NULL }
};
int main(void)
{
int i, width, height;
GLFWwindow window;
if (!glfwInit())
{
fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
exit(EXIT_FAILURE);
}
glfwWindowHint(GLFW_VISIBLE, GL_FALSE);
window = glfwCreateWindow(640, 480, GLFW_WINDOWED, "Defaults", NULL);
if (!window)
{
glfwTerminate();
fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
glfwGetWindowSize(window, &width, &height);
printf("window size: %ix%i\n", width, height);
for (i = 0; glfw_params[i].name; i++)
{
printf("%s: %i\n",
glfw_params[i].name,
glfwGetWindowParam(window, glfw_params[i].param));
}
for (i = 0; gl_params[i].name; i++)
{
GLint value = 0;
if (gl_params[i].ext)
{
if (!glfwExtensionSupported(gl_params[i].ext))
continue;
}
glGetIntegerv(gl_params[i].param, &value);
printf("%s: %i\n", gl_params[i].name, value);
}
glfwDestroyWindow(window);
window = NULL;
glfwTerminate();
exit(EXIT_SUCCESS);
}