From c05fafa4a0fd93d4264c46578e23a83ecf2b481e Mon Sep 17 00:00:00 2001
From: Marek Olšák <maraeo@gmail.com>
Date: Fri, 9 Dec 2011 18:33:58 +0100
Subject: st/mesa: implement EXT_transform_feedback and ARB_transform_feedback2

---
 src/mesa/state_tracker/st_cb_drawpixels.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/mesa/state_tracker/st_cb_drawpixels.c')

diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index 65b4445521c..318ba7d0628 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -671,6 +671,7 @@ draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    cso_save_samplers(cso);
    cso_save_fragment_sampler_views(cso);
    cso_save_fragment_shader(cso);
+   cso_save_stream_outputs(cso);
    cso_save_vertex_shader(cso);
    cso_save_geometry_shader(cso);
    cso_save_vertex_elements(cso);
@@ -761,6 +762,7 @@ draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    }
 
    cso_set_vertex_elements(cso, 3, st->velems_util_draw);
+   cso_set_stream_outputs(st->cso_context, 0, NULL, 0);
 
    /* texture state: */
    cso_set_fragment_sampler_views(cso, num_sampler_view, sv);
@@ -796,6 +798,7 @@ draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    cso_restore_geometry_shader(cso);
    cso_restore_vertex_elements(cso);
    cso_restore_vertex_buffers(cso);
+   cso_restore_stream_outputs(cso);
    if (write_stencil) {
       cso_restore_depth_stencil_alpha(cso);
       cso_restore_blend(cso);
-- 
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