From 94b72d25e97bf698fe83b0c78e3d2fe2b812c07d Mon Sep 17 00:00:00 2001 From: Magnus Norddahl Date: Sat, 13 Aug 2016 18:43:30 +0200 Subject: [PATCH] First render may not have known scene dimensions --- src/gl/renderer/gl_renderbuffers.cpp | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/gl/renderer/gl_renderbuffers.cpp b/src/gl/renderer/gl_renderbuffers.cpp index 0d1f10d4e..419dce95f 100644 --- a/src/gl/renderer/gl_renderbuffers.cpp +++ b/src/gl/renderer/gl_renderbuffers.cpp @@ -143,6 +143,9 @@ void FGLRenderBuffers::Setup(int width, int height, int sceneWidth, int sceneHei { if (!IsEnabled()) return; + + if (width <= 0 || height <= 0) + I_FatalError("Requested invalid render buffer sizes: screen = %dx%d", width, height); int samples = GetCvarSamples(); @@ -226,6 +229,10 @@ void FGLRenderBuffers::CreatePipeline(int width, int height) void FGLRenderBuffers::CreateBloom(int width, int height) { ClearBloom(); + + // No scene, no bloom! + if (width <= 0 || height <= 0) + return; int bloomWidth = MAX(width / 2, 1); int bloomHeight = MAX(height / 2, 1);