Mesa (master): freedreno/a3xx: clear cached fp when switching blit prog

[Rob Clark]

Module: Mesa
Branch: master
Commit: 6dabf455970f3a1fdbf384a53621ebe2bcd7545e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6dabf455970f3a1fdbf384a53621ebe2bcd7545e

Author: Rob Clark <robclark at freedesktop.org>
Date:   Sun Aug  9 08:38:25 2015 -0400

freedreno/a3xx: clear cached fp when switching blit prog

For gmem restore (mem2gmem), we swap blit programs, in order to have a
different frag shader for depth vs color restore.  But we weren't
actually clearing the cached fp, so it would not actually change the
frag shader as expected.

Signed-off-by: Rob Clark <robclark at freedesktop.org>

---

 src/gallium/drivers/freedreno/a3xx/fd3_gmem.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_gmem.c b/src/gallium/drivers/freedreno/a3xx/fd3_gmem.c
index 3024526..9a5b45e 100644
--- a/src/gallium/drivers/freedreno/a3xx/fd3_gmem.c
+++ b/src/gallium/drivers/freedreno/a3xx/fd3_gmem.c
@@ -651,6 +651,7 @@ fd3_emit_tile_mem2gmem(struct fd_context *ctx, struct fd_tile *tile)
 
 	if (fd_gmem_needs_restore(ctx, tile, FD_BUFFER_COLOR)) {
 		emit.prog = &ctx->blit_prog[pfb->nr_cbufs - 1];
+		emit.fp = NULL;      /* frag shader changed so clear cache */
 		fd3_program_emit(ring, &emit, pfb->nr_cbufs, pfb->cbufs);
 		emit_mem2gmem_surf(ctx, gmem->cbuf_base, pfb->cbufs, pfb->nr_cbufs, bin_w);
 	}
@@ -671,6 +672,7 @@ fd3_emit_tile_mem2gmem(struct fd_context *ctx, struct fd_tile *tile)
 				emit.prog = &ctx->blit_zs;
 			emit.key.half_precision = false;
 		}
+		emit.fp = NULL;      /* frag shader changed so clear cache */
 		fd3_program_emit(ring, &emit, 1, &pfb->zsbuf);
 		emit_mem2gmem_surf(ctx, gmem->zsbuf_base, &pfb->zsbuf, 1, bin_w);
 	}