From 1eecc41ef65300fb849e42110a2463fa2b3ce376 Mon Sep 17 00:00:00 2001
From: vanfanel
Date: Fri, 4 Dec 2015 13:11:22 +0100
Subject: OPENGLSDL: Request GLES1.1 context with SDL2 for GLES targets.

---
 backends/graphics/openglsdl/openglsdl-graphics.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'backends/graphics/openglsdl/openglsdl-graphics.cpp')

diff --git a/backends/graphics/openglsdl/openglsdl-graphics.cpp b/backends/graphics/openglsdl/openglsdl-graphics.cpp
index a2b172f14a..42327197b7 100644
--- a/backends/graphics/openglsdl/openglsdl-graphics.cpp
+++ b/backends/graphics/openglsdl/openglsdl-graphics.cpp
@@ -386,6 +386,13 @@ bool OpenGLSdlGraphicsManager::setupMode(uint width, uint height) {
 		}
 	}
 
+#ifdef USE_GLES
+	// SDL2 will create a GLES2 context by default, so this is needed for GLES1-profile
+	// functions to work.
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 1);
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
+#endif
 	_glContext = SDL_GL_CreateContext(_window->getSDLWindow());
 	if (!_glContext) {
 		return false;
-- 
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