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Merge pull request #10423 from psyke83/gles2_ctx_fix

SDL: really try lower GL profiles & add GLES context support
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hrydgard committed Dec 20, 2017
2 parents b0528f3 + d67d201 commit c27d64f273c231241e84498eb9392fbc05635780
Showing with 11 additions and 4 deletions.
  1. +11 −4 SDL/SDLMain.cpp
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@@ -589,26 +589,33 @@ int main(int argc, char *argv[]) {
int minor;
};
GLVersionPair attemptVersions[] = {
#ifdef USING_GLES2
{3, 2}, {3, 1}, {3, 0}, {2, 0},
#else
{4, 6}, {4, 5}, {4, 4}, {4, 3}, {4, 2}, {4, 1}, {4, 0},
{3, 3}, {3, 2}, {3, 1}, {3, 0},
#endif
};
SDL_GLContext glContext = nullptr;
for (size_t i = 0; i < ARRAY_SIZE(attemptVersions); ++i) {
const auto &ver = attemptVersions[i];
// Make sure to request a somewhat modern GL context at least - the
// latest supported by MacOS X (really, really sad...)
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, ver.major);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, ver.minor);
#ifdef USING_GLES2
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SetGLCoreContext(false);
#else
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
SetGLCoreContext(true);
#endif
g_Screen = SDL_CreateWindow(app_name_nice.c_str(), x,y, pixel_xres, pixel_yres, mode);
if (g_Screen == nullptr) {
NativeShutdown();
fprintf(stderr, "SDL_CreateWindow failed: %s\n", SDL_GetError());
SDL_Quit();
return 2;
continue;
}
glContext = SDL_GL_CreateContext(g_Screen);

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