Module: Mesa
Branch: master
Commit: a8a5055f2dea1960898763d17f28043577c3e64e
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=a8a5055f2dea1960898763d17f28043577c3e64e

Author: Michel Dänzer <[email protected]>
Date:   Fri Feb  1 18:49:07 2013 +0100

radeonsi: Fix draws using user index buffer.

Was broken since commit bf469f4edc60bd1c5fd770cb231b8d5ab801427f
('gallium: add void *user_buffer in pipe_index_buffer').

Fixes 11 piglit tests and lots of missing geometry e.g. in TORCS.

NOTE: This is a candidate for the 9.1 branch.

---

 src/gallium/drivers/radeonsi/si_state_draw.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c 
b/src/gallium/drivers/radeonsi/si_state_draw.c
index ef94eae..3704410 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -524,10 +524,8 @@ void si_draw_vbo(struct pipe_context *ctx, const struct 
pipe_draw_info *info)
        struct pipe_index_buffer ib = {};
        uint32_t cp_coher_cntl;
 
-       if ((!info->count && (info->indexed || 
!info->count_from_stream_output)) ||
-           (info->indexed && !rctx->index_buffer.buffer)) {
+       if (!info->count && (info->indexed || !info->count_from_stream_output))
                return;
-       }
 
        if (!rctx->ps_shader || !rctx->vs_shader)
                return;
@@ -538,13 +536,14 @@ void si_draw_vbo(struct pipe_context *ctx, const struct 
pipe_draw_info *info)
        if (info->indexed) {
                /* Initialize the index buffer struct. */
                pipe_resource_reference(&ib.buffer, rctx->index_buffer.buffer);
+               ib.user_buffer = rctx->index_buffer.user_buffer;
                ib.index_size = rctx->index_buffer.index_size;
                ib.offset = rctx->index_buffer.offset + info->start * 
ib.index_size;
 
                /* Translate or upload, if needed. */
                r600_translate_index_buffer(rctx, &ib, info->count);
 
-               if (ib.user_buffer) {
+               if (ib.user_buffer && !ib.buffer) {
                        r600_upload_index_buffer(rctx, &ib, info->count);
                }
 

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