From 3dbe1e7c09766c2437d92a8c2cbbaeea7de3f610 Mon Sep 17 00:00:00 2001 From: "Steinar H. Gunderson" Date: Wed, 3 Oct 2012 16:30:55 +0200 Subject: [PATCH] Some more GL state paranoia. --- effect_chain.cpp | 3 +++ 1 file changed, 3 insertions(+) diff --git a/effect_chain.cpp b/effect_chain.cpp index 0985ee4..85c8be3 100644 --- a/effect_chain.cpp +++ b/effect_chain.cpp @@ -267,6 +267,7 @@ void EffectChain::finalize() void *mapped_pbo = glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, GL_WRITE_ONLY); memset(mapped_pbo, 0, width * height * bytes_per_pixel); glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB); + check_error(); glGenTextures(1, &source_image_num); check_error(); @@ -330,6 +331,7 @@ void EffectChain::render_to_screen(unsigned char *src) for (unsigned phase = 0; phase < phases.size(); ++phase) { // Set up inputs and outputs for this phase. + glActiveTexture(GL_TEXTURE0); if (phase == 0) { // First phase reads from the input texture (which is already bound). } else { @@ -357,6 +359,7 @@ void EffectChain::render_to_screen(unsigned char *src) GL_TEXTURE_2D, temp_textures[phase % 2], 0); + check_error(); } // We have baked an upside-down transform into the quad coordinates, -- 2.39.2