Fix recent glow regressions

servers/rendering/rasterizer_rd/rasterizer_effects_rd.cpp

@@ -415,7 +415,7 @@ void RasterizerEffectsRD::gaussian_glow(RID p_source_rd_texture, RID p_texture,
 	RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin();
 	RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, copy.pipelines[copy_mode]);
 	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_source_rd_texture), 0);
-	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_back_texture), 3);
+	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_texture), 3);
 	if (p_auto_exposure.is_valid() && p_first_pass) {
 		RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_auto_exposure), 1);
 	}
@@ -430,8 +430,8 @@ void RasterizerEffectsRD::gaussian_glow(RID p_source_rd_texture, RID p_texture,
 
 	//VERTICAL
 	RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, copy.pipelines[copy_mode]);
-	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_back_texture), 0);
-	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_texture), 3);
+	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_texture), 0);
+	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_back_texture), 3);
 
 	copy.push_constant.flags = base_flags;
 	RD::get_singleton()->compute_list_set_push_constant(compute_list, &copy.push_constant, sizeof(CopyPushConstant));

servers/rendering/rasterizer_rd/shaders/copy.glsl

@@ -116,7 +116,7 @@ void main() {
 	vec4 color = vec4(0.0);
 
 	if (bool(params.flags & FLAG_HORIZONTAL)) {
-		ivec2 base_pos = (pos + params.section.xy) << 1;
+		ivec2 base_pos = ((pos + params.section.xy) << 1) + ivec2(1);
 		ivec2 section_begin = params.section.xy << 1;
 		ivec2 section_end = section_begin + (params.section.zw << 1);