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glfw/tests/glfwinfo.c
Camilla Berglund 76bd8b79b6 Merge branch 'master' into EGL 
Conflicts:
	src/win32_window.c
	tests/glfwinfo.c
2012-08-01 01:04:14 +02:00

328 lines
9.6 KiB
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//========================================================================
// Version information dumper
// 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 is a pale imitation of glxinfo(1), except not really
//
// It dumps GLFW and OpenGL version information
//
//========================================================================
#include <GL/glfw3.h>
#include <GL/glext.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "getopt.h"
#ifdef _MSC_VER
#define strcasecmp(x, y) _stricmp(x, y)
#endif
#define API_OPENGL "gl"
#define API_OPENGL_ES "es"
#define PROFILE_NAME_CORE "core"
#define PROFILE_NAME_COMPAT "compat"
#define STRATEGY_NAME_NONE "none"
#define STRATEGY_NAME_LOSE "lose"
static void usage(void)
{
printf("Usage: glfwinfo [-h] [-a API] [-m MAJOR] [-n MINOR] [-d] [-l] [-f] [-p PROFILE] [-r STRATEGY]\n");
printf("available APIs: " API_OPENGL " " API_OPENGL_ES "\n");
printf("available profiles: " PROFILE_NAME_CORE " " PROFILE_NAME_COMPAT "\n");
printf("available strategies: " STRATEGY_NAME_NONE " " STRATEGY_NAME_LOSE "\n");
}
static void error_callback(int error, const char* description)
{
fprintf(stderr, "Error: %s in %s\n", glfwErrorString(error), description);
}
static const char* get_client_api_name(int api)
{
if (api == GLFW_OPENGL_API)
return "OpenGL";
else if (api == GLFW_OPENGL_ES_API)
return "OpenGL ES";
return "Unknown API";
}
static const char* get_profile_name(GLint mask)
{
if (mask & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT)
return "compatibility";
if (mask & GL_CONTEXT_CORE_PROFILE_BIT)
return "core";
return "unknown";
}
static void list_extensions(int api, int major, int minor)
{
int i;
GLint count;
const GLubyte* extensions;
printf("%s context supported extensions:\n", get_client_api_name(api));
if (api == GLFW_OPENGL_API && major > 2)
{
PFNGLGETSTRINGIPROC glGetStringi = (PFNGLGETSTRINGIPROC) glfwGetProcAddress("glGetStringi");
if (!glGetStringi)
exit(EXIT_FAILURE);
glGetIntegerv(GL_NUM_EXTENSIONS, &count);
for (i = 0; i < count; i++)
puts((const char*) glGetStringi(GL_EXTENSIONS, i));
}
else
{
extensions = glGetString(GL_EXTENSIONS);
while (*extensions != '\0')
{
if (*extensions == ' ')
putchar('\n');
else
putchar(*extensions);
extensions++;
}
}
putchar('\n');
}
int main(int argc, char** argv)
{
int ch, api = 0, profile = 0, strategy = 0, major = 1, minor = 0, revision;
GLboolean debug = GL_FALSE, forward = GL_FALSE, list = GL_FALSE;
GLint flags, mask;
GLFWwindow window;
while ((ch = getopt(argc, argv, "a:dfhlm:n:p:r:")) != -1)
{
switch (ch)
{
case 'a':
if (strcasecmp(optarg, API_OPENGL) == 0)
api = GLFW_OPENGL_API;
else if (strcasecmp(optarg, API_OPENGL_ES) == 0)
api = GLFW_OPENGL_ES_API;
else
{
usage();
exit(EXIT_FAILURE);
}
case 'd':
debug = GL_TRUE;
break;
case 'f':
forward = GL_TRUE;
break;
case 'h':
usage();
exit(EXIT_SUCCESS);
case 'l':
list = GL_TRUE;
break;
case 'm':
major = atoi(optarg);
break;
case 'n':
minor = atoi(optarg);
break;
case 'p':
if (strcasecmp(optarg, PROFILE_NAME_CORE) == 0)
profile = GLFW_OPENGL_CORE_PROFILE;
else if (strcasecmp(optarg, PROFILE_NAME_COMPAT) == 0)
profile = GLFW_OPENGL_COMPAT_PROFILE;
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case 'r':
if (strcasecmp(optarg, STRATEGY_NAME_NONE) == 0)
strategy = GLFW_OPENGL_NO_RESET_NOTIFICATION;
else if (strcasecmp(optarg, STRATEGY_NAME_LOSE) == 0)
strategy = GLFW_OPENGL_LOSE_CONTEXT_ON_RESET;
else
{
usage();
exit(EXIT_FAILURE);
}
break;
default:
usage();
exit(EXIT_FAILURE);
}
}
argc -= optind;
argv += optind;
glfwSetErrorCallback(error_callback);
if (!glfwInit())
{
fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
exit(EXIT_FAILURE);
}
if (major != 1 || minor != 0)
{
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, major);
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, minor);
}
if (api != 0)
glfwOpenWindowHint(GLFW_CLIENT_API, api);
if (debug)
glfwOpenWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE);
if (forward)
glfwOpenWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
if (profile != 0)
glfwOpenWindowHint(GLFW_OPENGL_PROFILE, profile);
if (strategy)
glfwOpenWindowHint(GLFW_OPENGL_ROBUSTNESS, strategy);
// We assume here that we stand a better chance of success by leaving all
// possible details of pixel format selection to GLFW
window = glfwOpenWindow(0, 0, GLFW_WINDOWED, "Version", NULL);
if (!window)
exit(EXIT_FAILURE);
// Report GLFW version
glfwGetVersion(&major, &minor, &revision);
printf("GLFW header version: %u.%u.%u\n",
GLFW_VERSION_MAJOR,
GLFW_VERSION_MINOR,
GLFW_VERSION_REVISION);
printf("GLFW library version: %u.%u.%u\n", major, minor, revision);
if (major != GLFW_VERSION_MAJOR ||
minor != GLFW_VERSION_MINOR ||
revision != GLFW_VERSION_REVISION)
{
printf("*** WARNING: GLFW version mismatch! ***\n");
}
printf("GLFW library version string: \"%s\"\n", glfwGetVersionString());
// Report client API version
api = glfwGetWindowParam(window, GLFW_CLIENT_API);
major = glfwGetWindowParam(window, GLFW_OPENGL_VERSION_MAJOR);
minor = glfwGetWindowParam(window, GLFW_OPENGL_VERSION_MINOR);
revision = glfwGetWindowParam(window, GLFW_OPENGL_REVISION);
printf("%s context version string: \"%s\"\n",
get_client_api_name(api),
glGetString(GL_VERSION));
printf("%s context version parsed by GLFW: %u.%u.%u\n",
get_client_api_name(api),
major, minor, revision);
// Report client API context properties
if (api == GLFW_OPENGL_API)
{
if (major >= 3)
{
glGetIntegerv(GL_CONTEXT_FLAGS, &flags);
printf("%s context flags (0x%08x):", get_client_api_name(api), flags);
if (flags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)
printf(" forward-compatible");
if (flags & 0)
printf(" debug");
putchar('\n');
printf("%s flags parsed by GLFW:", get_client_api_name(api));
if (glfwGetWindowParam(window, GLFW_OPENGL_FORWARD_COMPAT))
printf(" forward-compatible");
if (glfwGetWindowParam(window, GLFW_OPENGL_DEBUG_CONTEXT))
printf(" debug");
putchar('\n');
}
if (major > 3 || (major == 3 && minor >= 2))
{
glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &mask);
printf("%s profile mask (0x%08x): %s\n",
get_client_api_name(api),
mask,
get_profile_name(mask));
printf("%s profile parsed by GLFW:\n", get_client_api_name(api));
if (glfwGetWindowParam(window, GLFW_OPENGL_FORWARD_COMPAT))
printf(" forward-compatible");
if (glfwGetWindowParam(window, GLFW_OPENGL_DEBUG_CONTEXT))
printf(" debug");
putchar('\n');
}
}
printf("%s context renderer string: \"%s\"\n",
get_client_api_name(api),
glGetString(GL_RENDERER));
printf("%s context vendor string: \"%s\"\n",
get_client_api_name(api),
glGetString(GL_VENDOR));
if (major > 1)
{
printf("%s context shading language version: \"%s\"\n",
get_client_api_name(api),
glGetString(GL_SHADING_LANGUAGE_VERSION));
}
// Report client API extensions
if (list)
list_extensions(api, major, minor);
glfwTerminate();
exit(EXIT_SUCCESS);
}
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