[Bf-blender-cvs] [339e43e] master: Only create vertex buffers if supported and clean them up properly.

[Antony Riakiotakis]

Commit: 339e43e1e821276cf69c0f9829c83999bf79d769
Author: Antony Riakiotakis
Date:   Fri Mar 20 15:43:34 2015 +0100
Branches: master
https://developer.blender.org/rB339e43e1e821276cf69c0f9829c83999bf79d769

Only create vertex buffers if supported and clean them up properly.

===================================================================

M	source/blender/gpu/intern/gpu_compositing.c

===================================================================

diff --git a/source/blender/gpu/intern/gpu_compositing.c b/source/blender/gpu/intern/gpu_compositing.c
index 43dfba1..53ce514 100644
--- a/source/blender/gpu/intern/gpu_compositing.c
+++ b/source/blender/gpu/intern/gpu_compositing.c
@@ -179,12 +179,14 @@ GPUFX *GPU_fx_compositor_create(void)
 {
 	GPUFX *fx = MEM_callocN(sizeof(GPUFX), "GPUFX compositor");
 
-	glGenBuffersARB(1, &fx->vbuffer);
-	glBindBufferARB(GL_ARRAY_BUFFER_ARB, fx->vbuffer);
-	glBufferDataARB(GL_ARRAY_BUFFER_ARB, 16 * sizeof(float), NULL, GL_STATIC_DRAW);
-	glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, 8 * sizeof(float), fullscreencos);
-	glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 8 * sizeof(float), 8 * sizeof(float), fullscreenuvs);
-	glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+	if (GLEW_ARB_vertex_buffer_object) {
+		glGenBuffersARB(1, &fx->vbuffer);
+		glBindBufferARB(GL_ARRAY_BUFFER_ARB, fx->vbuffer);
+		glBufferDataARB(GL_ARRAY_BUFFER_ARB, 16 * sizeof(float), NULL, GL_STATIC_DRAW);
+		glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, 8 * sizeof(float), fullscreencos);
+		glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 8 * sizeof(float), 8 * sizeof(float), fullscreenuvs);
+		glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+	}
 	return fx;
 }
 
@@ -273,6 +275,8 @@ static void cleanup_fx_gl_data(GPUFX *fx, bool do_fbo)
 void GPU_fx_compositor_destroy(GPUFX *fx)
 {
 	cleanup_fx_gl_data(fx, true);
+	if (GLEW_ARB_vertex_buffer_object)
+		glDeleteBuffersARB(1, &fx->vbuffer);
 	MEM_freeN(fx);
 }