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Fixed runtime errors on iOS

This commit is contained in:
Sam Lantinga 2017-12-07 18:08:51 -08:00
parent ba9c336e04
commit 104decd16d
1 changed files with 4 additions and 2 deletions
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6
src/render/metal/SDL_render_metal.m
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@ -343,7 +343,7 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
MakePipelineStates(data, data.mtlpipelinecopy, @"SDL_RenderCopy pipeline", @"SDL_Copy_vertex", @"SDL_Copy_fragment");
static const float clearverts[] = { -1, -1, -1, 1, 1, 1, 1, -1, -1, -1 };
data.mtlbufclearverts = [data.mtldevice newBufferWithBytes:clearverts length:sizeof(clearverts) options:MTLResourceCPUCacheModeWriteCombined|MTLResourceStorageModePrivate];
data.mtlbufclearverts = [data.mtldevice newBufferWithBytes:clearverts length:sizeof(clearverts) options:MTLResourceCPUCacheModeWriteCombined];
data.mtlbufclearverts.label = @"SDL_RenderClear vertices";
// !!! FIXME: force more clears here so all the drawables are sane to start, and our static buffers are definitely flushed.
@ -480,7 +480,9 @@ METAL_UpdateClipRect(SDL_Renderer * renderer)
mtlrect.width = renderer->viewport.w;
mtlrect.height = renderer->viewport.h;
}
[data.mtlcmdencoder setScissorRect:mtlrect];
if (mtlrect.width > 0 && mtlrect.height > 0) {
[data.mtlcmdencoder setScissorRect:mtlrect];
}
}
return 0;
}