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render: GL_DestroyRender() should activate first.

Otherwise, we might destroy a different GL context's resources.
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icculus committed May 19, 2017
1 parent cff9e5a commit 02773811b35f8cd86b5bb7d48c3321585d7bb293
Showing with 5 additions and 0 deletions.
  1. +5 −0 src/render/opengl/SDL_render_gl.c
@@ -1523,6 +1523,11 @@ GL_DestroyRenderer(SDL_Renderer * renderer)
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;

if (data) {
if (data->context != NULL) {
/* make sure we delete the right resources! */
GL_ActivateRenderer(renderer);
}

GL_ClearErrors(renderer);
if (data->GL_ARB_debug_output_supported) {
PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARBFunc = (PFNGLDEBUGMESSAGECALLBACKARBPROC) SDL_GL_GetProcAddress("glDebugMessageCallbackARB");

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