void * dxt_glsl_decompress_init(void)
{
struct state_decompress *s;
s = (struct state_decompress *) malloc(sizeof(struct state_decompress));
s->configured = FALSE;
#ifndef HAVE_MACOSX
x11_enter_thread();
#endif
return s;
}
bool init_gl_context(struct gl_context *context, int which) {
context->context = NULL;
#ifdef HAVE_LINUX
x11_enter_thread();
if(which == GL_CONTEXT_ANY) {
printf("Trying OpenGL 3.1 first.\n");
context->context = glx_init(MK_OPENGL_VERSION(3,1));
context->legacy = FALSE;
}
if(!context->context) {
if(which != GL_CONTEXT_LEGACY) {
fprintf(stderr, "[RTDXT] OpenGL 3.1 profile failed to initialize, falling back to legacy profile.\n");
}
context->context = glx_init(OPENGL_VERSION_UNSPECIFIED);
context->legacy = TRUE;
}
if(context->context) {
glx_validate(context->context);
}
#elif defined HAVE_MACOSX
if(which == GL_CONTEXT_ANY) {
if(get_mac_kernel_version_major() >= 11) {
printf("[RTDXT] Mac 10.7 or latter detected. Trying OpenGL 3.2 Core profile first.\n");
context->context = mac_gl_init(MAC_GL_PROFILE_3_2);
if(!context->context) {
fprintf(stderr, "[RTDXT] OpenGL 3.2 Core profile failed to initialize, falling back to legacy profile.\n");
} else {
context->legacy = FALSE;
}
}
}
if(!context->context) {
context->context = mac_gl_init(MAC_GL_PROFILE_LEGACY);
context->legacy = TRUE;
}
#else // WIN32
if(which == GL_CONTEXT_ANY) {
context->context = win32_context_init(OPENGL_VERSION_UNSPECIFIED);
} else if(which == GL_CONTEXT_LEGACY) {
context->context = win32_context_init(OPENGL_VERSION_LEGACY);
}
context->legacy = TRUE;
#endif
if(context->context) {
return true;
} else {
return false;
}
}
/**
* @brief initializes specified OpenGL context
*
* @note
* After this call, context is current for calling thread.
*
* @param[out] context newly created context
* @param which OpenGL version specifier
* @return info if context creation succeeded or failed
*/
bool init_gl_context(struct gl_context *context, int which) {
context->context = NULL;
#ifdef HAVE_LINUX
x11_enter_thread();
if(which == GL_CONTEXT_ANY) {
debug_msg("Trying OpenGL 3.1 first.\n");
context->context = glx_init(MK_OPENGL_VERSION(3,1));
context->legacy = FALSE;
}
if(!context->context) {
if(which != GL_CONTEXT_LEGACY) {
debug_msg("OpenGL 3.1 profile failed to initialize, falling back to legacy profile.\n");
}
context->context = glx_init(OPENGL_VERSION_UNSPECIFIED);
context->legacy = TRUE;
}
if(context->context) {
glx_validate(context->context);
}
#elif defined HAVE_MACOSX
if(which == GL_CONTEXT_ANY) {
if(get_mac_kernel_version_major() >= 11) {
debug_msg("Mac 10.7 or latter detected. Trying OpenGL 3.2 Core profile first.\n");
context->context = mac_gl_init(MAC_GL_PROFILE_3_2);
if(!context->context) {
debug_msg("OpenGL 3.2 Core profile failed to initialize, falling back to legacy profile.\n");
} else {
context->legacy = FALSE;
}
}
}
if(!context->context) {
context->context = mac_gl_init(MAC_GL_PROFILE_LEGACY);
context->legacy = TRUE;
}
#else // WIN32
if(which == GL_CONTEXT_ANY) {
context->context = win32_context_init(OPENGL_VERSION_UNSPECIFIED);
} else if(which == GL_CONTEXT_LEGACY) {
context->context = win32_context_init(OPENGL_VERSION_LEGACY);
}
context->legacy = TRUE;
#endif
{
char *save_ptr;
const char *gl_ver = (const char *) glGetString(GL_VERSION);
if (!gl_ver) {
fprintf(stderr, "Unable to determine OpenGL version!\n");
return false;
}
char *tmp = strdup(gl_ver);
char *item = strtok_r(tmp, ".", &save_ptr);
if (!item) {
fprintf(stderr, "Unable to determine OpenGL version!\n");
free(tmp);
return false;
}
context->gl_major = atoi(item);
item = strtok_r(NULL, ".", &save_ptr);
if (!item) {
fprintf(stderr, "Unable to determine OpenGL version!\n");
free(tmp);
return false;
}
context->gl_minor = atoi(item);
free(tmp);
}
if(context->context) {
return true;
} else {
return false;
}
}
