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Fixed bug 3304 - Android black screen on resume 

Richard Russell

Resuming from a suspended state results in a black screen.  This only happens when using GLES 1.1 (GLES 2 resumes correctly) and when the render target has been changed using SDL_SetRenderTarget.  This problem is new in 2.0.4.

The attached test case demonstrates the issue.

Sylvain Becker has apparently found a fix as follows:

"In the opengles leaf function (in 'src/render/opengles/SDL_render_gles.c'), it appears there is a call to 'GLES_ActivateRenderer' in 'GLES_SetRenderTarget', which is not present in opengles2. When commenting out this 'GLES_ActivateRenderer', it seems to resume fine".

This appears to fix the testcase perfectly, but I don't know whether it could have any undesirable side-effects.
Sam Lantinga 2017-01-08 10:41:22 -08:00
parent b8ab4eb9a8
commit 9d9e92cf46
1 changed files with 0 additions and 2 deletions
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2
src/render/opengles/SDL_render_gles.c
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@ -633,8 +633,6 @@ GLES_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture)
GLES_TextureData *texturedata = NULL;
GLenum status;
GLES_ActivateRenderer(renderer);
if (!data->GL_OES_framebuffer_object_supported) {
return SDL_SetError("Can't enable render target support in this renderer");
}