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render: Mark viewport/cliprect dirty when window is resized.

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Fixes #4751.
This commit is contained in:
Ryan C. Gordon
2021-09-18 11:54:25 -04:00
parent b8da02e6ef
commit 5faea84c63
4 changed files with 34 additions and 4 deletions
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9
src/render/opengl/SDL_render_gl.c
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@@ -1279,7 +1279,14 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
data->drawstate.target = renderer->target;
if (!data->drawstate.target) {
SDL_GL_GetDrawableSize(renderer->window, &data->drawstate.drawablew, &data->drawstate.drawableh);
int w, h;
SDL_GL_GetDrawableSize(renderer->window, &w, &h);
if ((w != data->drawstate.drawablew) || (h != data->drawstate.drawableh)) {
data->drawstate.viewport_dirty = SDL_TRUE; // if the window dimensions changed, invalidate the current viewport, etc.
data->drawstate.cliprect_dirty = SDL_TRUE;
data->drawstate.drawablew = w;
data->drawstate.drawableh = h;
}
}