132 lines
3.5 KiB
C
132 lines
3.5 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_CONTEXT_VERSION_MAJOR, "Context version major" },
|
|
{ GLFW_CONTEXT_VERSION_MINOR, "Context version minor" },
|
|
{ GLFW_OPENGL_FORWARD_COMPAT, "OpenGL forward compatible" },
|
|
{ GLFW_OPENGL_DEBUG_CONTEXT, "OpenGL debug context" },
|
|
{ GLFW_OPENGL_PROFILE, "OpenGL profile" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static void error_callback(int error, const char* description)
|
|
{
|
|
fprintf(stderr, "Error: %s\n", description);
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
int i, width, height;
|
|
GLFWwindow window;
|
|
|
|
glfwSetErrorCallback(error_callback);
|
|
|
|
if (!glfwInit())
|
|
exit(EXIT_FAILURE);
|
|
|
|
glfwWindowHint(GLFW_VISIBLE, GL_FALSE);
|
|
|
|
window = glfwCreateWindow(640, 480, "Defaults", NULL, NULL);
|
|
if (!window)
|
|
{
|
|
glfwTerminate();
|
|
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);
|
|
}
|
|
|