From a09dfe17d817dac6aec3b48aca611c05abe08823 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 14 Jul 2023 23:35:12 +0300
Subject: [PATCH] Record texture bindings on older OpenGL versions

---
 source/backends/opengl/program_backend.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/source/backends/opengl/program_backend.cpp b/source/backends/opengl/program_backend.cpp
index a4e2958b..279d857f 100644
--- a/source/backends/opengl/program_backend.cpp
+++ b/source/backends/opengl/program_backend.cpp
@@ -188,13 +188,14 @@ void OpenGLProgram::add_glsl_stages(const GlslModule &mod, const map<string, int
 			glUseProgram(id);
 		for(const auto &kvp: tex_bindings)
 		{
-			int location = static_cast<const Program *>(this)->get_uniform_location(kvp.first);
-			if(location>=0)
+			auto i = lower_bound_member(rd.uniforms, Tag(kvp.first), &ReflectData::UniformInfo::tag);
+			if(i!=rd.uniforms.end() && i->location>=0)
 			{
 				if(ARB_separate_shader_objects)
-					glProgramUniform1i(id, location, kvp.second);
+					glProgramUniform1i(id, i->location, kvp.second);
 				else
-					glUniform1i(location, kvp.second);
+					glUniform1i(i->location, kvp.second);
+				i->binding = kvp.second;
 			}
 		}
 	}
-- 
2.45.2