Mesa (master): i965: Use GENX(packet_length) rather than hardcoded dword counts.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: 55862ed4775b24099a5f3b1978be7a552e71c439
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=55862ed4775b24099a5f3b1978be7a552e71c439

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Wed May 10 23:55:47 2017 -0700

i965: Use GENX(packet_length) rather than hardcoded dword counts.

This is clearer and less likely to break in the future.

Reviewed-by: Topi Pohjolainen <topi.pohjolainen at intel.com>

---

 src/mesa/drivers/dri/i965/genX_state_upload.c | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/genX_state_upload.c b/src/mesa/drivers/dri/i965/genX_state_upload.c
index 44e3e99d33..ca2b1959e2 100644
--- a/src/mesa/drivers/dri/i965/genX_state_upload.c
+++ b/src/mesa/drivers/dri/i965/genX_state_upload.c
@@ -2137,16 +2137,19 @@ genX(upload_sf_clip_viewport)(struct brw_context *brw)
 #define clv sfv
    struct GENX(SF_CLIP_VIEWPORT) sfv;
    uint32_t sf_clip_vp_offset;
-   uint32_t *sf_clip_map = brw_state_batch(brw, 16 * 4 * viewport_count,
-                                           64, &sf_clip_vp_offset);
+   uint32_t *sf_clip_map =
+      brw_state_batch(brw, GENX(SF_CLIP_VIEWPORT_length) * 4 * viewport_count,
+                      64, &sf_clip_vp_offset);
 #else
    struct GENX(SF_VIEWPORT) sfv;
    struct GENX(CLIP_VIEWPORT) clv;
    uint32_t sf_vp_offset, clip_vp_offset;
-   uint32_t *sf_map = brw_state_batch(brw, 8 * 4 * viewport_count,
-                                      32, &sf_vp_offset);
-   uint32_t *clip_map = brw_state_batch(brw, 4 * 4 * viewport_count,
-                                        32, &clip_vp_offset);
+   uint32_t *sf_map =
+      brw_state_batch(brw, GENX(SF_VIEWPORT_length) * 4 * viewport_count,
+                      32, &sf_vp_offset);
+   uint32_t *clip_map =
+      brw_state_batch(brw, GENX(CLIP_VIEWPORT_length) * 4 * viewport_count,
+                      32, &clip_vp_offset);
 #endif
 
    /* _NEW_BUFFERS */
@@ -2208,12 +2211,12 @@ genX(upload_sf_clip_viewport)(struct brw_context *brw)
 
 #if GEN_GEN >= 7
       GENX(SF_CLIP_VIEWPORT_pack)(NULL, sf_clip_map, &sfv);
-      sf_clip_map += 16;
+      sf_clip_map += GENX(SF_CLIP_VIEWPORT_length);
 #else
       GENX(SF_VIEWPORT_pack)(NULL, sf_map, &sfv);
       GENX(CLIP_VIEWPORT_pack)(NULL, clip_map, &clv);
-      sf_map += 8;
-      clip_map += 4;
+      sf_map += GENX(SF_VIEWPORT_length);
+      clip_map += GENX(CLIP_VIEWPORT_length);
 #endif
    }