iOS: Fixed SDL_GL_CreateContext crashing instead of returning null when a GLES3 context is requested on iOS 6 and older.

This commit is contained in:
Alex Szpakowski 2016-04-10 22:07:10 -03:00
parent a581346fae
commit 34f095e098
1 changed files with 10 additions and 1 deletions

View File

@ -140,10 +140,19 @@ UIKit_GL_CreateContext(_THIS, SDL_Window * window)
EAGLSharegroup *sharegroup = nil;
CGFloat scale = 1.0;
int samples = 0;
int major = _this->gl_config.major_version;
int minor = _this->gl_config.minor_version;
/* The EAGLRenderingAPI enum values currently map 1:1 to major GLES
* versions. */
EAGLRenderingAPI api = _this->gl_config.major_version;
EAGLRenderingAPI api = major;
/* iOS currently doesn't support GLES >3.0. iOS 6 also only supports up
* to GLES 2.0. */
if (major > 3 || (major == 3 && (minor > 0 || !UIKit_IsSystemVersionAtLeast(7.0)))) {
SDL_SetError("OpenGL ES %d.%d context could not be created", major, minor);
return NULL;
}
if (_this->gl_config.multisamplebuffers > 0) {
samples = _this->gl_config.multisamplesamples;