i965: Only emit 1 viewport when possible.

[mesa.git] / src / mesa / drivers / dri / i965 / brw_cc.c

diff --git a/src/mesa/drivers/dri/i965/brw_cc.c b/src/mesa/drivers/dri/i965/brw_cc.c
index 5c58b448c1fb32f049d990b3d2fe947f50b3a460..b11d7c85ca9e51625fec617e331b41fe05d41298 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_cc.c
+++ b/src/mesa/drivers/dri/i965/brw_cc.c
@@ -44,12 +44,15 @@ brw_upload_cc_vp(struct brw_context *brw)
    struct gl_context *ctx = &brw->ctx;
    struct brw_cc_viewport *ccv;
 
+   /* BRW_NEW_VIEWPORT_COUNT */
+   const unsigned viewport_count = brw->clip.viewport_count;
+
    ccv = brw_state_batch(brw, AUB_TRACE_CC_VP_STATE,
-                        sizeof(*ccv) * ctx->Const.MaxViewports, 32,
+                        sizeof(*ccv) * viewport_count, 32,
                          &brw->cc.vp_offset);
 
    /* _NEW_TRANSFORM */
-   for (unsigned i = 0; i < ctx->Const.MaxViewports; i++) {
+   for (unsigned i = 0; i < viewport_count; i++) {
       if (ctx->Transform.DepthClamp) {
          /* _NEW_VIEWPORT */
          ccv[i].min_depth = MIN2(ctx->ViewportArray[i].Near,
@@ -77,7 +80,8 @@ const struct brw_tracked_state brw_cc_vp = {
       .mesa = _NEW_TRANSFORM |
               _NEW_VIEWPORT,
       .brw = BRW_NEW_BATCH |
-             BRW_NEW_BLORP,
+             BRW_NEW_BLORP |
+             BRW_NEW_VIEWPORT_COUNT,
    },
    .emit = brw_upload_cc_vp
 };