Mesa (master): freedreno/a3xx: add point-size

[Rob Clark]

Module: Mesa
Branch: master
Commit: 521ee86db7cb58dbd592107a1b37388d95b8c61c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=521ee86db7cb58dbd592107a1b37388d95b8c61c

Author: Rob Clark <robclark at freedesktop.org>
Date:   Sun May 11 11:57:20 2014 -0400

freedreno/a3xx: add point-size

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

---

 src/gallium/drivers/freedreno/a3xx/fd3_rasterizer.c |   18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_rasterizer.c b/src/gallium/drivers/freedreno/a3xx/fd3_rasterizer.c
index c2d3249..1a1a7cb 100644
--- a/src/gallium/drivers/freedreno/a3xx/fd3_rasterizer.c
+++ b/src/gallium/drivers/freedreno/a3xx/fd3_rasterizer.c
@@ -40,6 +40,7 @@ fd3_rasterizer_state_create(struct pipe_context *pctx,
 		const struct pipe_rasterizer_state *cso)
 {
 	struct fd3_rasterizer_stateobj *so;
+	float psize_min, psize_max;
 
 	so = CALLOC_STRUCT(fd3_rasterizer_stateobj);
 	if (!so)
@@ -47,19 +48,28 @@ fd3_rasterizer_state_create(struct pipe_context *pctx,
 
 	so->base = *cso;
 
+	if (cso->point_size_per_vertex) {
+		psize_min = util_get_min_point_size(cso);
+		psize_max = 8192;
+	} else {
+		/* Force the point size to be as if the vertex output was disabled. */
+		psize_min = cso->point_size;
+		psize_max = cso->point_size;
+	}
+
 /*
 	if (cso->line_stipple_enable) {
 		??? TODO line stipple
 	}
 	TODO cso->half_pixel_center
-	TODO cso->point_size
-	TODO psize_min/psize_max
 	if (cso->multisample)
 		TODO
 */
 	so->gras_cl_clip_cntl = A3XX_GRAS_CL_CLIP_CNTL_IJ_PERSP_CENTER; /* ??? */
-	so->gras_su_point_minmax = 0xffc00010;  /* ??? */
-	so->gras_su_point_size   = 0x00000008;  /* ??? */
+	so->gras_su_point_minmax =
+			A3XX_GRAS_SU_POINT_MINMAX_MIN(psize_min/2) |
+			A3XX_GRAS_SU_POINT_MINMAX_MAX(psize_max/2);
+	so->gras_su_point_size   = A3XX_GRAS_SU_POINT_SIZE(cso->point_size/2);
 	so->gras_su_poly_offset_scale =
 			A3XX_GRAS_SU_POLY_OFFSET_SCALE_VAL(cso->offset_scale);
 	so->gras_su_poly_offset_offset =