From 5f95ffe35034120189340cd413f24979da92109e Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Wed, 27 Jul 2016 10:59:09 +0200
Subject: [PATCH] Fix T48829: Memory leak on Blender Exit

It was possible to have missing outlink but GPUNodes in material.
---
 source/blender/gpu/intern/gpu_codegen.c  | 6 ++++++
 source/blender/gpu/intern/gpu_codegen.h  | 1 +
 source/blender/gpu/intern/gpu_material.c | 3 +++
 3 files changed, 10 insertions(+)

diff --git a/source/blender/gpu/intern/gpu_codegen.c b/source/blender/gpu/intern/gpu_codegen.c
index aec94f9f2cb..c40bc8eaf27 100644
--- a/source/blender/gpu/intern/gpu_codegen.c
+++ b/source/blender/gpu/intern/gpu_codegen.c
@@ -1732,3 +1732,9 @@ void GPU_pass_free(GPUPass *pass)
 		MEM_freeN(pass->vertexcode);
 	MEM_freeN(pass);
 }
+
+void GPU_pass_free_nodes(ListBase *nodes)
+{
+	gpu_nodes_free(nodes);
+}
+
diff --git a/source/blender/gpu/intern/gpu_codegen.h b/source/blender/gpu/intern/gpu_codegen.h
index 417e46a83ee..7af17f9122d 100644
--- a/source/blender/gpu/intern/gpu_codegen.h
+++ b/source/blender/gpu/intern/gpu_codegen.h
@@ -183,6 +183,7 @@ void GPU_pass_update_uniforms(GPUPass *pass);
 void GPU_pass_unbind(GPUPass *pass);
 
 void GPU_pass_free(GPUPass *pass);
+void GPU_pass_free_nodes(ListBase *nodes);
 
 void gpu_codegen_init(void);
 void gpu_codegen_exit(void);
diff --git a/source/blender/gpu/intern/gpu_material.c b/source/blender/gpu/intern/gpu_material.c
index 4775d2ed30a..ed9718f1a17 100644
--- a/source/blender/gpu/intern/gpu_material.c
+++ b/source/blender/gpu/intern/gpu_material.c
@@ -270,6 +270,9 @@ static int GPU_material_construct_end(GPUMaterial *material, const char *passnam
 			material->partangvel = GPU_shader_get_uniform(shader, GPU_builtin_name(GPU_PARTICLE_ANG_VELOCITY));
 		return 1;
 	}
+	else {
+		GPU_pass_free_nodes(&material->nodes);
+	}
 
 	return 0;
 }