From 5eb6b1a981f87a39323604f5496aafdb38b126a9 Mon Sep 17 00:00:00 2001
From: Luca Barbieri <luca@luca-barbieri.com>
Date: Tue, 23 Feb 2010 15:52:24 +0100
Subject: [PATCH] nvfx: so->RING_3D: vertprog

We could use an sb here instead, but there is no obvious performance
advantage, and perhaps there could be a disadvantage.
---
 src/gallium/drivers/nvfx/nvfx_state.h    |  1 -
 src/gallium/drivers/nvfx/nvfx_vertprog.c | 45 ++++++++++--------------
 2 files changed, 19 insertions(+), 27 deletions(-)

diff --git a/src/gallium/drivers/nvfx/nvfx_state.h b/src/gallium/drivers/nvfx/nvfx_state.h
index f1f9fb775b8..555513a6428 100644
--- a/src/gallium/drivers/nvfx/nvfx_state.h
+++ b/src/gallium/drivers/nvfx/nvfx_state.h
@@ -39,7 +39,6 @@ struct nvfx_vertex_program {
 	uint32_t ir;
 	uint32_t or;
 	uint32_t clip_ctrl;
-	struct nouveau_stateobj *so;
 };
 
 struct nvfx_fragment_program_data {
diff --git a/src/gallium/drivers/nvfx/nvfx_vertprog.c b/src/gallium/drivers/nvfx/nvfx_vertprog.c
index 78ba10c31c5..3d25ab761a3 100644
--- a/src/gallium/drivers/nvfx/nvfx_vertprog.c
+++ b/src/gallium/drivers/nvfx/nvfx_vertprog.c
@@ -847,6 +847,7 @@ nvfx_vertprog_validate(struct nvfx_context *nvfx)
 		vp = nvfx->vertprog;
 		constbuf = nvfx->constbuf[PIPE_SHADER_VERTEX];
 
+		// TODO: ouch! can't we just use constant slots for these?!
 		if ((nvfx->dirty & NVFX_NEW_UCP) ||
 		    memcmp(&nvfx->clip, &vp->ucp, sizeof(vp->ucp))) {
 			nvfx_vertprog_destroy(nvfx, vp);
@@ -858,21 +859,19 @@ nvfx_vertprog_validate(struct nvfx_context *nvfx)
 	}
 
 	/* Translate TGSI shader into hw bytecode */
-	if (vp->translated)
-		goto check_gpu_resources;
-
-	nvfx->fallback_swtnl &= ~NVFX_NEW_VERTPROG;
+	if (!vp->translated)
+	{
+		nvfx->fallback_swtnl &= ~NVFX_NEW_VERTPROG;
 		nvfx_vertprog_translate(nvfx, vp);
-	if (!vp->translated) {
-		nvfx->fallback_swtnl |= NVFX_NEW_VERTPROG;
+		if (!vp->translated) {
+			nvfx->fallback_swtnl |= NVFX_NEW_VERTPROG;
 			return FALSE;
+		}
 	}
 
-check_gpu_resources:
 	/* Allocate hw vtxprog exec slots */
 	if (!vp->exec) {
 		struct nouveau_resource *heap = nvfx->screen->vp_exec_heap;
-		struct nouveau_stateobj *so;
 		uint vplen = vp->nr_insns;
 
 		if (nouveau_resource_alloc(heap, vplen, vp, &vp->exec)) {
@@ -887,19 +886,6 @@ check_gpu_resources:
 				assert(0);
 		}
 
-		so = so_new(3, 4, 0);
-		so_method(so, eng3d, NV34TCL_VP_START_FROM_ID, 1);
-		so_data  (so, vp->exec->start);
-		if(nvfx->is_nv4x) {
-			so_method(so, eng3d, NV40TCL_VP_ATTRIB_EN, 2);
-			so_data  (so, vp->ir);
-			so_data  (so, vp->or);
-		}
-		so_method(so, eng3d,  NV34TCL_VP_CLIP_PLANES_ENABLE, 1);
-		so_data  (so, vp->clip_ctrl);
-		so_ref(so, &vp->so);
-		so_ref(NULL, &so);
-
 		upload_code = TRUE;
 	}
 
@@ -1007,9 +993,18 @@ check_gpu_resources:
 		}
 	}
 
-	if (vp->so != nvfx->state.hw[NVFX_STATE_VERTPROG]) {
-		so_ref(vp->so, &nvfx->state.hw[NVFX_STATE_VERTPROG]);
-		return TRUE;
+	if(nvfx->dirty & (NVFX_NEW_VERTPROG | NVFX_NEW_UCP))
+	{
+		WAIT_RING(chan, 7);
+		OUT_RING(chan, RING_3D(NV34TCL_VP_START_FROM_ID, 1));
+		OUT_RING(chan, vp->exec->start);
+		if(nvfx->is_nv4x) {
+			OUT_RING(chan, RING_3D(NV40TCL_VP_ATTRIB_EN, 2));
+			OUT_RING(chan, vp->ir);
+			OUT_RING(chan, vp->or);
+		}
+		OUT_RING(chan, RING_3D(NV34TCL_VP_CLIP_PLANES_ENABLE, 1));
+		OUT_RING(chan, vp->clip_ctrl);
 	}
 
 	return FALSE;
@@ -1039,13 +1034,11 @@ nvfx_vertprog_destroy(struct nvfx_context *nvfx, struct nvfx_vertex_program *vp)
 	vp->data_start_min = 0;
 
 	vp->ir = vp->or = vp->clip_ctrl = 0;
-	so_ref(NULL, &vp->so);
 }
 
 struct nvfx_state_entry nvfx_state_vertprog = {
 	.validate = nvfx_vertprog_validate,
 	.dirty = {
 		.pipe = NVFX_NEW_VERTPROG | NVFX_NEW_UCP,
-		.hw = NVFX_STATE_VERTPROG,
 	}
 };
-- 
2.30.2