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Output OpenGL version in debug config

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This commit is contained in:
Kovid Goyal
2024-04-24 08:55:56 +05:30
parent 0f00b0cfb6
commit d89e68f5e9
6 changed files with 26 additions and 7 deletions
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21
kitty/gl.c
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@@ -38,12 +38,22 @@ check_for_gl_error(void UNUSED *ret, const char *name, GLADapiproc UNUSED funcpt
}
}
const char*
gl_version_string(void) {
static char buf[256];
int gl_major = GLAD_VERSION_MAJOR(global_state.gl_version);
int gl_minor = GLAD_VERSION_MINOR(global_state.gl_version);
const char *gvs = (const char*)glGetString(GL_VERSION);
snprintf(buf, sizeof(buf), "'%s' Detected version: %d.%d", gvs, gl_major, gl_minor);
return buf;
}
void
gl_init(void) {
static bool glad_loaded = false;
if (!glad_loaded) {
int gl_version = gladLoadGL(glfwGetProcAddress);
if (!gl_version) {
global_state.gl_version = gladLoadGL(glfwGetProcAddress);
if (!global_state.gl_version) {
fatal("Loading the OpenGL library failed");
}
if (!global_state.debug_rendering) {
@@ -57,10 +67,9 @@ gl_init(void) {
ARB_TEST(texture_storage);
#undef ARB_TEST
glad_loaded = true;
int gl_major = GLAD_VERSION_MAJOR(gl_version);
int gl_minor = GLAD_VERSION_MINOR(gl_version);
const char *gvs = (const char*)glGetString(GL_VERSION);
if (global_state.debug_rendering) printf("[%.3f] GL version string: '%s' Detected version: %d.%d\n", monotonic_t_to_s_double(monotonic()), gvs, gl_major, gl_minor);
int gl_major = GLAD_VERSION_MAJOR(global_state.gl_version);
int gl_minor = GLAD_VERSION_MINOR(global_state.gl_version);
if (global_state.debug_rendering) printf("[%.3f] GL version string: %s\n", monotonic_t_to_s_double(monotonic()), gl_version_string());
if (gl_major < OPENGL_REQUIRED_VERSION_MAJOR || (gl_major == OPENGL_REQUIRED_VERSION_MAJOR && gl_minor < OPENGL_REQUIRED_VERSION_MINOR)) {
fatal("OpenGL version is %d.%d, version >= 3.3 required for kitty", gl_major, gl_minor);
}