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i965/gen6/gs: use brw_gs_prog atom instead of brw_ff_gs_prog

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This is needed to support user-provided geometry shaders, since the
brw_ff_gs_prog atom in gen6 only takes care of implementing transform feedback
for vertex shaders.

If there is no user-provided geometry shader the implementation falls back to
the original code.

Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Samuel Iglesias Gonsalvez 2014-07-01 08:52:47 +02:00 • committed by Iago Toral Quiroga
parent dd376bdb25
commit bc383cb55b
4 changed files with 16 additions and 2 deletions
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4
src/mesa/drivers/dri/i965/brw_gs.c
View file

@ -243,6 +243,10 @@ brw_upload_ff_gs_prog(struct brw_context *brw)
}
}
void gen6_brw_upload_ff_gs_prog(struct brw_context *brw)
{
brw_upload_ff_gs_prog(brw);
}
const struct brw_tracked_state brw_ff_gs_prog = {
.dirty = {

1
src/mesa/drivers/dri/i965/brw_gs.h
View file

@ -110,5 +110,6 @@ void brw_ff_gs_lines(struct brw_ff_gs_compile *c);
void gen6_sol_program(struct brw_ff_gs_compile *c,
struct brw_ff_gs_prog_key *key,
unsigned num_verts, bool check_edge_flag);
void gen6_brw_upload_ff_gs_prog(struct brw_context *brw);
#endif

2
src/mesa/drivers/dri/i965/brw_state_upload.c
View file

@ -108,7 +108,7 @@ static const struct brw_tracked_state *gen4_atoms[] =
static const struct brw_tracked_state *gen6_atoms[] =
{
&brw_vs_prog, /* must do before state base address */
&brw_ff_gs_prog, /* must do before state base address */
&brw_gs_prog, /* must do before state base address */
&brw_wm_prog, /* must do before state base address */
&gen6_clip_vp,

11
src/mesa/drivers/dri/i965/brw_vec4_gs.c
View file

@ -31,6 +31,7 @@
#include "brw_context.h"
#include "brw_vec4_gs_visitor.h"
#include "brw_state.h"
#include "brw_gs.h"
static bool
@ -272,6 +273,12 @@ brw_upload_gs_prog(struct brw_context *brw)
(struct brw_geometry_program *) brw->geometry_program;
if (gp == NULL) {
if (brw->gen == 6) {
if (brw->state.dirty.brw & BRW_NEW_TRANSFORM_FEEDBACK)
gen6_brw_upload_ff_gs_prog(brw);
return;
}
/* No geometry shader. Vertex data just passes straight through. */
if (brw->state.dirty.brw & BRW_NEW_VUE_MAP_VS) {
brw->vue_map_geom_out = brw->vue_map_vs;
@ -327,7 +334,9 @@ brw_upload_gs_prog(struct brw_context *brw)
const struct brw_tracked_state brw_gs_prog = {
.dirty = {
.mesa = (_NEW_LIGHT | _NEW_BUFFERS | _NEW_TEXTURE),
.brw = BRW_NEW_GEOMETRY_PROGRAM | BRW_NEW_VUE_MAP_VS,
.brw = (BRW_NEW_GEOMETRY_PROGRAM |
BRW_NEW_VUE_MAP_VS |
BRW_NEW_TRANSFORM_FEEDBACK),
},
.emit = brw_upload_gs_prog
};