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SDL_render_gl.c: GL_RunCommandQueue: always set viewport_dirty on macOS 

Without this, moving the window changes the viewport and causes contents
to render stretched.

Fixes #1504
This commit is contained in:
Eric Wasylishen 2021-11-26 19:45:16 -07:00 committed by Ryan C. Gordon
parent 4f683f01d4
commit b786c10013
1 changed files with 6 additions and 0 deletions
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6
src/render/opengl/SDL_render_gl.c
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@ -1169,6 +1169,12 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
} }
} }
#ifdef __MACOSX__
// On macOS, moving the window seems to invalidate the OpenGL viewport state,
// so don't bother trying to persist it across frames; always reset it.
// Workaround for: https://github.com/libsdl-org/SDL/issues/1504
data->drawstate.viewport_dirty = SDL_TRUE;
#endif
while (cmd) { while (cmd) {
switch (cmd->command) { switch (cmd->command) {