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glfw/tests/glfwinfo.c
Camilla Löwy 0dea8a4441 EGL: Add support for EGL_ANGLE_platform_angle 
This adds basic support for selecting the platform type (rendering
backend) when running on ANGLE.

Related to #1380.
2020-06-29 00:02:22 +02:00

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//========================================================================
// Context creation and information tool
// Copyright (c) Camilla Löwy <elmindreda@glfw.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.
//
//========================================================================
#include <glad/gl.h>
#include <glad/vulkan.h>
#define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include "getopt.h"
#ifdef _MSC_VER
#define strcasecmp(x, y) _stricmp(x, y)
#endif
#define API_NAME_OPENGL "gl"
#define API_NAME_OPENGL_ES "es"
#define API_NAME_NATIVE "native"
#define API_NAME_EGL "egl"
#define API_NAME_OSMESA "osmesa"
#define PROFILE_NAME_CORE "core"
#define PROFILE_NAME_COMPAT "compat"
#define STRATEGY_NAME_NONE "none"
#define STRATEGY_NAME_LOSE "lose"
#define BEHAVIOR_NAME_NONE "none"
#define BEHAVIOR_NAME_FLUSH "flush"
#define ANGLE_TYPE_OPENGL "gl"
#define ANGLE_TYPE_OPENGLES "es"
#define ANGLE_TYPE_D3D9 "d3d9"
#define ANGLE_TYPE_D3D11 "d3d11"
#define ANGLE_TYPE_VULKAN "vk"
#define ANGLE_TYPE_METAL "mtl"
static void usage(void)
{
printf("Usage: glfwinfo [OPTION]...\n");
printf("Options:\n");
printf(" -a, --client-api=API the client API to use ("
API_NAME_OPENGL " or "
API_NAME_OPENGL_ES ")\n");
printf(" -b, --behavior=BEHAVIOR the release behavior to use ("
BEHAVIOR_NAME_NONE " or "
BEHAVIOR_NAME_FLUSH ")\n");
printf(" -c, --context-api=API the context creation API to use ("
API_NAME_NATIVE " or "
API_NAME_EGL " or "
API_NAME_OSMESA ")\n");
printf(" -d, --debug request a debug context\n");
printf(" -f, --forward require a forward-compatible context\n");
printf(" -h, --help show this help\n");
printf(" -l, --list-extensions list all Vulkan and client API extensions\n");
printf(" --list-layers list all Vulkan layers\n");
printf(" -m, --major=MAJOR the major number of the required "
"client API version\n");
printf(" -n, --minor=MINOR the minor number of the required "
"client API version\n");
printf(" -p, --profile=PROFILE the OpenGL profile to use ("
PROFILE_NAME_CORE " or "
PROFILE_NAME_COMPAT ")\n");
printf(" -s, --robustness=STRATEGY the robustness strategy to use ("
STRATEGY_NAME_NONE " or "
STRATEGY_NAME_LOSE ")\n");
printf(" -v, --version print version information\n");
printf(" --red-bits=N the number of red bits to request\n");
printf(" --green-bits=N the number of green bits to request\n");
printf(" --blue-bits=N the number of blue bits to request\n");
printf(" --alpha-bits=N the number of alpha bits to request\n");
printf(" --depth-bits=N the number of depth bits to request\n");
printf(" --stencil-bits=N the number of stencil bits to request\n");
printf(" --accum-red-bits=N the number of red bits to request\n");
printf(" --accum-green-bits=N the number of green bits to request\n");
printf(" --accum-blue-bits=N the number of blue bits to request\n");
printf(" --accum-alpha-bits=N the number of alpha bits to request\n");
printf(" --aux-buffers=N the number of aux buffers to request\n");
printf(" --samples=N the number of MSAA samples to request\n");
printf(" --stereo request stereo rendering\n");
printf(" --srgb request an sRGB capable framebuffer\n");
printf(" --singlebuffer request single-buffering\n");
printf(" --no-error request a context that does not emit errors\n");
printf(" --angle-type=TYPE the ANGLE platform type to use ("
ANGLE_TYPE_OPENGL ", "
ANGLE_TYPE_OPENGLES ", "
ANGLE_TYPE_D3D9 ", "
ANGLE_TYPE_D3D11 ", "
ANGLE_TYPE_VULKAN " or "
ANGLE_TYPE_METAL ")\n");
printf(" --graphics-switching request macOS graphics switching\n");
}
static void error_callback(int error, const char* description)
{
fprintf(stderr, "Error: %s\n", description);
}
static const char* get_device_type_name(VkPhysicalDeviceType type)
{
if (type == VK_PHYSICAL_DEVICE_TYPE_OTHER)
return "other";
else if (type == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU)
return "integrated GPU";
else if (type == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU)
return "discrete GPU";
else if (type == VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU)
return "virtual GPU";
else if (type == VK_PHYSICAL_DEVICE_TYPE_CPU)
return "CPU";
return "unknown";
}
static const char* get_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_gl(GLint mask)
{
if (mask & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT)
return PROFILE_NAME_COMPAT;
if (mask & GL_CONTEXT_CORE_PROFILE_BIT)
return PROFILE_NAME_CORE;
return "unknown";
}
static const char* get_profile_name_glfw(int profile)
{
if (profile == GLFW_OPENGL_COMPAT_PROFILE)
return PROFILE_NAME_COMPAT;
if (profile == GLFW_OPENGL_CORE_PROFILE)
return PROFILE_NAME_CORE;
return "unknown";
}
static const char* get_strategy_name_gl(GLint strategy)
{
if (strategy == GL_LOSE_CONTEXT_ON_RESET_ARB)
return STRATEGY_NAME_LOSE;
if (strategy == GL_NO_RESET_NOTIFICATION_ARB)
return STRATEGY_NAME_NONE;
return "unknown";
}
static const char* get_strategy_name_glfw(int strategy)
{
if (strategy == GLFW_LOSE_CONTEXT_ON_RESET)
return STRATEGY_NAME_LOSE;
if (strategy == GLFW_NO_RESET_NOTIFICATION)
return STRATEGY_NAME_NONE;
return "unknown";
}
static void list_context_extensions(int client, int major, int minor)
{
printf("%s context extensions:\n", get_api_name(client));
if (client == GLFW_OPENGL_API && major > 2)
{
GLint count;
glGetIntegerv(GL_NUM_EXTENSIONS, &count);
for (int i = 0; i < count; i++)
printf(" %s\n", (const char*) glGetStringi(GL_EXTENSIONS, i));
}
else
{
const GLubyte* extensions = glGetString(GL_EXTENSIONS);
while (*extensions != '\0')
{
putchar(' ');
while (*extensions != '\0' && *extensions != ' ')
{
putchar(*extensions);
extensions++;
}
while (*extensions == ' ')
extensions++;
putchar('\n');
}
}
}
static void list_vulkan_instance_extensions(void)
{
printf("Vulkan instance extensions:\n");
uint32_t ep_count;
vkEnumerateInstanceExtensionProperties(NULL, &ep_count, NULL);
VkExtensionProperties* ep = calloc(ep_count, sizeof(VkExtensionProperties));
vkEnumerateInstanceExtensionProperties(NULL, &ep_count, ep);
for (uint32_t i = 0; i < ep_count; i++)
printf(" %s (spec version %u)\n", ep[i].extensionName, ep[i].specVersion);
free(ep);
}
static void list_vulkan_instance_layers(void)
{
printf("Vulkan instance layers:\n");
uint32_t lp_count;
vkEnumerateInstanceLayerProperties(&lp_count, NULL);
VkLayerProperties* lp = calloc(lp_count, sizeof(VkLayerProperties));
vkEnumerateInstanceLayerProperties(&lp_count, lp);
for (uint32_t i = 0; i < lp_count; i++)
{
printf(" %s (spec version %u) \"%s\"\n",
lp[i].layerName,
lp[i].specVersion >> 22,
lp[i].description);
}
free(lp);
}
static void list_vulkan_device_extensions(VkInstance instance, VkPhysicalDevice device)
{
printf("Vulkan device extensions:\n");
uint32_t ep_count;
vkEnumerateDeviceExtensionProperties(device, NULL, &ep_count, NULL);
VkExtensionProperties* ep = calloc(ep_count, sizeof(VkExtensionProperties));
vkEnumerateDeviceExtensionProperties(device, NULL, &ep_count, ep);
for (uint32_t i = 0; i < ep_count; i++)
printf(" %s (spec version %u)\n", ep[i].extensionName, ep[i].specVersion);
free(ep);
}
static void list_vulkan_device_layers(VkInstance instance, VkPhysicalDevice device)
{
printf("Vulkan device layers:\n");
uint32_t lp_count;
vkEnumerateDeviceLayerProperties(device, &lp_count, NULL);
VkLayerProperties* lp = calloc(lp_count, sizeof(VkLayerProperties));
vkEnumerateDeviceLayerProperties(device, &lp_count, lp);
for (uint32_t i = 0; i < lp_count; i++)
{
printf(" %s (spec version %u) \"%s\"\n",
lp[i].layerName,
lp[i].specVersion >> 22,
lp[i].description);
}
free(lp);
}
static bool valid_version(void)
{
int major, minor, revision;
glfwGetVersion(&major, &minor, &revision);
if (major != GLFW_VERSION_MAJOR)
{
printf("*** ERROR: GLFW major version mismatch! ***\n");
return false;
}
if (minor != GLFW_VERSION_MINOR || revision != GLFW_VERSION_REVISION)
printf("*** WARNING: GLFW version mismatch! ***\n");
return true;
}
static void print_version(void)
{
int major, minor, revision;
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);
printf("GLFW library version string: \"%s\"\n", glfwGetVersionString());
}
static GLADapiproc glad_vulkan_callback(const char* name, void* user)
{
return glfwGetInstanceProcAddress((VkInstance) user, name);
}
int main(int argc, char** argv)
{
int ch;
bool list_extensions = false, list_layers = false;
// These duplicate the defaults for each hint
int client_api = GLFW_OPENGL_API;
int context_major = 1;
int context_minor = 0;
int context_release = GLFW_ANY_RELEASE_BEHAVIOR;
int context_creation_api = GLFW_NATIVE_CONTEXT_API;
int context_robustness = GLFW_NO_ROBUSTNESS;
bool context_debug = false;
bool context_no_error = false;
bool opengl_forward = false;
int opengl_profile = GLFW_OPENGL_ANY_PROFILE;
int fb_red_bits = 8;
int fb_green_bits = 8;
int fb_blue_bits = 8;
int fb_alpha_bits = 8;
int fb_depth_bits = 24;
int fb_stencil_bits = 8;
int fb_accum_red_bits = 0;
int fb_accum_green_bits = 0;
int fb_accum_blue_bits = 0;
int fb_accum_alpha_bits = 0;
int fb_aux_buffers = 0;
int fb_samples = 0;
bool fb_stereo = false;
bool fb_srgb = false;
bool fb_doublebuffer = true;
int angle_type = GLFW_ANGLE_PLATFORM_TYPE_NONE;
bool cocoa_graphics_switching = false;
enum { CLIENT, CONTEXT, BEHAVIOR, DEBUG_CONTEXT, FORWARD, HELP,
EXTENSIONS, LAYERS,
MAJOR, MINOR, PROFILE, ROBUSTNESS, VERSION,
REDBITS, GREENBITS, BLUEBITS, ALPHABITS, DEPTHBITS, STENCILBITS,
ACCUMREDBITS, ACCUMGREENBITS, ACCUMBLUEBITS, ACCUMALPHABITS,
AUXBUFFERS, SAMPLES, STEREO, SRGB, SINGLEBUFFER, NOERROR_SRSLY,
ANGLE_TYPE, GRAPHICS_SWITCHING };
const struct option options[] =
{
{ "behavior", 1, NULL, BEHAVIOR },
{ "client-api", 1, NULL, CLIENT },
{ "context-api", 1, NULL, CONTEXT },
{ "debug", 0, NULL, DEBUG_CONTEXT },
{ "forward", 0, NULL, FORWARD },
{ "help", 0, NULL, HELP },
{ "list-extensions", 0, NULL, EXTENSIONS },
{ "list-layers", 0, NULL, LAYERS },
{ "major", 1, NULL, MAJOR },
{ "minor", 1, NULL, MINOR },
{ "profile", 1, NULL, PROFILE },
{ "robustness", 1, NULL, ROBUSTNESS },
{ "version", 0, NULL, VERSION },
{ "red-bits", 1, NULL, REDBITS },
{ "green-bits", 1, NULL, GREENBITS },
{ "blue-bits", 1, NULL, BLUEBITS },
{ "alpha-bits", 1, NULL, ALPHABITS },
{ "depth-bits", 1, NULL, DEPTHBITS },
{ "stencil-bits", 1, NULL, STENCILBITS },
{ "accum-red-bits", 1, NULL, ACCUMREDBITS },
{ "accum-green-bits", 1, NULL, ACCUMGREENBITS },
{ "accum-blue-bits", 1, NULL, ACCUMBLUEBITS },
{ "accum-alpha-bits", 1, NULL, ACCUMALPHABITS },
{ "aux-buffers", 1, NULL, AUXBUFFERS },
{ "samples", 1, NULL, SAMPLES },
{ "stereo", 0, NULL, STEREO },
{ "srgb", 0, NULL, SRGB },
{ "singlebuffer", 0, NULL, SINGLEBUFFER },
{ "no-error", 0, NULL, NOERROR_SRSLY },
{ "angle-type", 1, NULL, ANGLE_TYPE },
{ "graphics-switching", 0, NULL, GRAPHICS_SWITCHING },
{ NULL, 0, NULL, 0 }
};
while ((ch = getopt_long(argc, argv, "a:b:c:dfhlm:n:p:s:v", options, NULL)) != -1)
{
switch (ch)
{
case 'a':
case CLIENT:
if (strcasecmp(optarg, API_NAME_OPENGL) == 0)
client_api = GLFW_OPENGL_API;
else if (strcasecmp(optarg, API_NAME_OPENGL_ES) == 0)
client_api = GLFW_OPENGL_ES_API;
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case 'b':
case BEHAVIOR:
if (strcasecmp(optarg, BEHAVIOR_NAME_NONE) == 0)
context_release = GLFW_RELEASE_BEHAVIOR_NONE;
else if (strcasecmp(optarg, BEHAVIOR_NAME_FLUSH) == 0)
context_release = GLFW_RELEASE_BEHAVIOR_FLUSH;
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case 'c':
case CONTEXT:
if (strcasecmp(optarg, API_NAME_NATIVE) == 0)
context_creation_api = GLFW_NATIVE_CONTEXT_API;
else if (strcasecmp(optarg, API_NAME_EGL) == 0)
context_creation_api = GLFW_EGL_CONTEXT_API;
else if (strcasecmp(optarg, API_NAME_OSMESA) == 0)
context_creation_api = GLFW_OSMESA_CONTEXT_API;
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case 'd':
case DEBUG_CONTEXT:
context_debug = true;
break;
case 'f':
case FORWARD:
opengl_forward = true;
break;
case 'h':
case HELP:
usage();
exit(EXIT_SUCCESS);
case 'l':
case EXTENSIONS:
list_extensions = true;
break;
case LAYERS:
list_layers = true;
break;
case 'm':
case MAJOR:
context_major = atoi(optarg);
break;
case 'n':
case MINOR:
context_minor = atoi(optarg);
break;
case 'p':
case PROFILE:
if (strcasecmp(optarg, PROFILE_NAME_CORE) == 0)
opengl_profile = GLFW_OPENGL_CORE_PROFILE;
else if (strcasecmp(optarg, PROFILE_NAME_COMPAT) == 0)
opengl_profile = GLFW_OPENGL_COMPAT_PROFILE;
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case 's':
case ROBUSTNESS:
if (strcasecmp(optarg, STRATEGY_NAME_NONE) == 0)
context_robustness = GLFW_NO_RESET_NOTIFICATION;
else if (strcasecmp(optarg, STRATEGY_NAME_LOSE) == 0)
context_robustness = GLFW_LOSE_CONTEXT_ON_RESET;
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case 'v':
case VERSION:
print_version();
exit(EXIT_SUCCESS);
case REDBITS:
if (strcmp(optarg, "-") == 0)
fb_red_bits = GLFW_DONT_CARE;
else
fb_red_bits = atoi(optarg);
break;
case GREENBITS:
if (strcmp(optarg, "-") == 0)
fb_green_bits = GLFW_DONT_CARE;
else
fb_green_bits = atoi(optarg);
break;
case BLUEBITS:
if (strcmp(optarg, "-") == 0)
fb_blue_bits = GLFW_DONT_CARE;
else
fb_blue_bits = atoi(optarg);
break;
case ALPHABITS:
if (strcmp(optarg, "-") == 0)
fb_alpha_bits = GLFW_DONT_CARE;
else
fb_alpha_bits = atoi(optarg);
break;
case DEPTHBITS:
if (strcmp(optarg, "-") == 0)
fb_depth_bits = GLFW_DONT_CARE;
else
fb_depth_bits = atoi(optarg);
break;
case STENCILBITS:
if (strcmp(optarg, "-") == 0)
fb_stencil_bits = GLFW_DONT_CARE;
else
fb_stencil_bits = atoi(optarg);
break;
case ACCUMREDBITS:
if (strcmp(optarg, "-") == 0)
fb_accum_red_bits = GLFW_DONT_CARE;
else
fb_accum_red_bits = atoi(optarg);
break;
case ACCUMGREENBITS:
if (strcmp(optarg, "-") == 0)
fb_accum_green_bits = GLFW_DONT_CARE;
else
fb_accum_green_bits = atoi(optarg);
break;
case ACCUMBLUEBITS:
if (strcmp(optarg, "-") == 0)
fb_accum_blue_bits = GLFW_DONT_CARE;
else
fb_accum_blue_bits = atoi(optarg);
break;
case ACCUMALPHABITS:
if (strcmp(optarg, "-") == 0)
fb_accum_alpha_bits = GLFW_DONT_CARE;
else
fb_accum_alpha_bits = atoi(optarg);
break;
case AUXBUFFERS:
if (strcmp(optarg, "-") == 0)
fb_aux_buffers = GLFW_DONT_CARE;
else
fb_aux_buffers = atoi(optarg);
break;
case SAMPLES:
if (strcmp(optarg, "-") == 0)
fb_samples = GLFW_DONT_CARE;
else
fb_samples = atoi(optarg);
break;
case STEREO:
fb_stereo = true;
break;
case SRGB:
fb_srgb = true;
break;
case SINGLEBUFFER:
fb_doublebuffer = false;
break;
case NOERROR_SRSLY:
context_no_error = true;
break;
case ANGLE_TYPE:
if (strcmp(optarg, ANGLE_TYPE_OPENGL) == 0)
angle_type = GLFW_ANGLE_PLATFORM_TYPE_OPENGL;
else if (strcmp(optarg, ANGLE_TYPE_OPENGLES) == 0)
angle_type = GLFW_ANGLE_PLATFORM_TYPE_OPENGLES;
else if (strcmp(optarg, ANGLE_TYPE_D3D9) == 0)
angle_type = GLFW_ANGLE_PLATFORM_TYPE_D3D9;
else if (strcmp(optarg, ANGLE_TYPE_D3D11) == 0)
angle_type = GLFW_ANGLE_PLATFORM_TYPE_D3D11;
else if (strcmp(optarg, ANGLE_TYPE_VULKAN) == 0)
angle_type = GLFW_ANGLE_PLATFORM_TYPE_VULKAN;
else if (strcmp(optarg, ANGLE_TYPE_METAL) == 0)
angle_type = GLFW_ANGLE_PLATFORM_TYPE_METAL;
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case GRAPHICS_SWITCHING:
cocoa_graphics_switching = true;
break;
default:
usage();
exit(EXIT_FAILURE);
}
}
// Initialize GLFW and create window
if (!valid_version())
exit(EXIT_FAILURE);
glfwSetErrorCallback(error_callback);
glfwInitHint(GLFW_COCOA_MENUBAR, false);
glfwInitHint(GLFW_ANGLE_PLATFORM_TYPE, angle_type);
if (!glfwInit())
exit(EXIT_FAILURE);
print_version();
glfwWindowHint(GLFW_VISIBLE, false);
glfwWindowHint(GLFW_CLIENT_API, client_api);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, context_major);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, context_minor);
glfwWindowHint(GLFW_CONTEXT_RELEASE_BEHAVIOR, context_release);
glfwWindowHint(GLFW_CONTEXT_CREATION_API, context_creation_api);
glfwWindowHint(GLFW_CONTEXT_ROBUSTNESS, context_robustness);
glfwWindowHint(GLFW_CONTEXT_DEBUG, context_debug);
glfwWindowHint(GLFW_CONTEXT_NO_ERROR, context_no_error);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, opengl_forward);
glfwWindowHint(GLFW_OPENGL_PROFILE, opengl_profile);
glfwWindowHint(GLFW_RED_BITS, fb_red_bits);
glfwWindowHint(GLFW_BLUE_BITS, fb_blue_bits);
glfwWindowHint(GLFW_GREEN_BITS, fb_green_bits);
glfwWindowHint(GLFW_ALPHA_BITS, fb_alpha_bits);
glfwWindowHint(GLFW_DEPTH_BITS, fb_depth_bits);
glfwWindowHint(GLFW_STENCIL_BITS, fb_stencil_bits);
glfwWindowHint(GLFW_ACCUM_RED_BITS, fb_accum_red_bits);
glfwWindowHint(GLFW_ACCUM_GREEN_BITS, fb_accum_green_bits);
glfwWindowHint(GLFW_ACCUM_BLUE_BITS, fb_accum_blue_bits);
glfwWindowHint(GLFW_ACCUM_ALPHA_BITS, fb_accum_alpha_bits);
glfwWindowHint(GLFW_AUX_BUFFERS, fb_aux_buffers);
glfwWindowHint(GLFW_SAMPLES, fb_samples);
glfwWindowHint(GLFW_STEREO, fb_stereo);
glfwWindowHint(GLFW_SRGB_CAPABLE, fb_srgb);
glfwWindowHint(GLFW_DOUBLEBUFFER, fb_doublebuffer);
glfwWindowHint(GLFW_COCOA_GRAPHICS_SWITCHING, cocoa_graphics_switching);
GLFWwindow* window = glfwCreateWindow(200, 200, "Version", NULL, NULL);
if (!window)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
gladLoadGL(glfwGetProcAddress);
const GLenum error = glGetError();
if (error != GL_NO_ERROR)
printf("*** OpenGL error after make current: 0x%08x ***\n", error);
// Report client API version
const int client = glfwGetWindowAttrib(window, GLFW_CLIENT_API);
const int major = glfwGetWindowAttrib(window, GLFW_CONTEXT_VERSION_MAJOR);
const int minor = glfwGetWindowAttrib(window, GLFW_CONTEXT_VERSION_MINOR);
const int revision = glfwGetWindowAttrib(window, GLFW_CONTEXT_REVISION);
const int profile = glfwGetWindowAttrib(window, GLFW_OPENGL_PROFILE);
printf("%s context version string: \"%s\"\n",
get_api_name(client),
glGetString(GL_VERSION));
printf("%s context version parsed by GLFW: %u.%u.%u\n",
get_api_name(client),
major, minor, revision);
// Report client API context properties
if (client == GLFW_OPENGL_API)
{
if (major >= 3)
{
GLint flags;
glGetIntegerv(GL_CONTEXT_FLAGS, &flags);
printf("%s context flags (0x%08x):", get_api_name(client), flags);
if (flags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)
printf(" forward-compatible");
if (flags & 2/*GL_CONTEXT_FLAG_DEBUG_BIT*/)
printf(" debug");
if (flags & GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT_ARB)
printf(" robustness");
if (flags & 8/*GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR*/)
printf(" no-error");
putchar('\n');
printf("%s context flags parsed by GLFW:", get_api_name(client));
if (glfwGetWindowAttrib(window, GLFW_OPENGL_FORWARD_COMPAT))
printf(" forward-compatible");
if (glfwGetWindowAttrib(window, GLFW_CONTEXT_DEBUG))
printf(" debug");
if (glfwGetWindowAttrib(window, GLFW_CONTEXT_ROBUSTNESS) == GLFW_LOSE_CONTEXT_ON_RESET)
printf(" robustness");
if (glfwGetWindowAttrib(window, GLFW_CONTEXT_NO_ERROR))
printf(" no-error");
putchar('\n');
}
if (major >= 4 || (major == 3 && minor >= 2))
{
GLint mask;
glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &mask);
printf("%s profile mask (0x%08x): %s\n",
get_api_name(client),
mask,
get_profile_name_gl(mask));
printf("%s profile mask parsed by GLFW: %s\n",
get_api_name(client),
get_profile_name_glfw(profile));
}
if (GLAD_GL_ARB_robustness)
{
const int robustness = glfwGetWindowAttrib(window, GLFW_CONTEXT_ROBUSTNESS);
GLint strategy;
glGetIntegerv(GL_RESET_NOTIFICATION_STRATEGY_ARB, &strategy);
printf("%s robustness strategy (0x%08x): %s\n",
get_api_name(client),
strategy,
get_strategy_name_gl(strategy));
printf("%s robustness strategy parsed by GLFW: %s\n",
get_api_name(client),
get_strategy_name_glfw(robustness));
}
}
printf("%s context renderer string: \"%s\"\n",
get_api_name(client),
glGetString(GL_RENDERER));
printf("%s context vendor string: \"%s\"\n",
get_api_name(client),
glGetString(GL_VENDOR));
if (major >= 2)
{
printf("%s context shading language version: \"%s\"\n",
get_api_name(client),
glGetString(GL_SHADING_LANGUAGE_VERSION));
}
printf("%s framebuffer:\n", get_api_name(client));
GLint redbits, greenbits, bluebits, alphabits, depthbits, stencilbits;
if (client == GLFW_OPENGL_API && profile == GLFW_OPENGL_CORE_PROFILE)
{
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_BACK_LEFT,
GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE,
&redbits);
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_BACK_LEFT,
GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE,
&greenbits);
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_BACK_LEFT,
GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE,
&bluebits);
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_BACK_LEFT,
GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE,
&alphabits);
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_DEPTH,
GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE,
&depthbits);
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_STENCIL,
GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE,
&stencilbits);
}
else
{
glGetIntegerv(GL_RED_BITS, &redbits);
glGetIntegerv(GL_GREEN_BITS, &greenbits);
glGetIntegerv(GL_BLUE_BITS, &bluebits);
glGetIntegerv(GL_ALPHA_BITS, &alphabits);
glGetIntegerv(GL_DEPTH_BITS, &depthbits);
glGetIntegerv(GL_STENCIL_BITS, &stencilbits);
}
printf(" red: %u green: %u blue: %u alpha: %u depth: %u stencil: %u\n",
redbits, greenbits, bluebits, alphabits, depthbits, stencilbits);
if (client == GLFW_OPENGL_ES_API ||
GLAD_GL_ARB_multisample ||
major > 1 || minor >= 3)
{
GLint samples, samplebuffers;
glGetIntegerv(GL_SAMPLES, &samples);
glGetIntegerv(GL_SAMPLE_BUFFERS, &samplebuffers);
printf(" samples: %u sample buffers: %u\n", samples, samplebuffers);
}
if (client == GLFW_OPENGL_API && profile != GLFW_OPENGL_CORE_PROFILE)
{
GLint accumredbits, accumgreenbits, accumbluebits, accumalphabits;
GLint auxbuffers;
glGetIntegerv(GL_ACCUM_RED_BITS, &accumredbits);
glGetIntegerv(GL_ACCUM_GREEN_BITS, &accumgreenbits);
glGetIntegerv(GL_ACCUM_BLUE_BITS, &accumbluebits);
glGetIntegerv(GL_ACCUM_ALPHA_BITS, &accumalphabits);
glGetIntegerv(GL_AUX_BUFFERS, &auxbuffers);
printf(" accum red: %u accum green: %u accum blue: %u accum alpha: %u aux buffers: %u\n",
accumredbits, accumgreenbits, accumbluebits, accumalphabits, auxbuffers);
}
if (list_extensions)
list_context_extensions(client, major, minor);
printf("Vulkan loader: %s\n",
glfwVulkanSupported() ? "available" : "missing");
if (glfwVulkanSupported())
{
gladLoadVulkanUserPtr(NULL, glad_vulkan_callback, NULL);
uint32_t loader_version = VK_API_VERSION_1_0;
if (vkEnumerateInstanceVersion)
{
uint32_t version;
if (vkEnumerateInstanceVersion(&version) == VK_SUCCESS)
loader_version = version;
}
printf("Vulkan loader API version: %i.%i\n",
VK_VERSION_MAJOR(loader_version),
VK_VERSION_MINOR(loader_version));
uint32_t re_count;
const char** re = glfwGetRequiredInstanceExtensions(&re_count);
printf("Vulkan required instance extensions:");
if (re)
{
for (uint32_t i = 0; i < re_count; i++)
printf(" %s", re[i]);
putchar('\n');
}
else
printf(" missing\n");
if (list_extensions)
list_vulkan_instance_extensions();
if (list_layers)
list_vulkan_instance_layers();
VkApplicationInfo ai = { VK_STRUCTURE_TYPE_APPLICATION_INFO };
ai.pApplicationName = "glfwinfo";
ai.applicationVersion = VK_MAKE_VERSION(GLFW_VERSION_MAJOR,
GLFW_VERSION_MINOR,
GLFW_VERSION_REVISION);
if (loader_version >= VK_API_VERSION_1_1)
ai.apiVersion = VK_API_VERSION_1_1;
else
ai.apiVersion = VK_API_VERSION_1_0;
VkInstanceCreateInfo ici = { VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO };
ici.pApplicationInfo = &ai;
ici.enabledExtensionCount = re_count;
ici.ppEnabledExtensionNames = re;
VkInstance instance = VK_NULL_HANDLE;
if (vkCreateInstance(&ici, NULL, &instance) != VK_SUCCESS)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
gladLoadVulkanUserPtr(NULL, glad_vulkan_callback, instance);
uint32_t pd_count;
vkEnumeratePhysicalDevices(instance, &pd_count, NULL);
VkPhysicalDevice* pd = calloc(pd_count, sizeof(VkPhysicalDevice));
vkEnumeratePhysicalDevices(instance, &pd_count, pd);
for (uint32_t i = 0; i < pd_count; i++)
{
VkPhysicalDeviceProperties pdp;
vkGetPhysicalDeviceProperties(pd[i], &pdp);
printf("Vulkan %s device: \"%s\" (API version %i.%i)\n",
get_device_type_name(pdp.deviceType),
pdp.deviceName,
VK_VERSION_MAJOR(pdp.apiVersion),
VK_VERSION_MINOR(pdp.apiVersion));
if (list_extensions)
list_vulkan_device_extensions(instance, pd[i]);
if (list_layers)
list_vulkan_device_layers(instance, pd[i]);
}
free(pd);
vkDestroyInstance(instance, NULL);
}
glfwTerminate();
exit(EXIT_SUCCESS);
}
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