nv30: Emit depth/stencil/alpha state using state objects

4 files changed, 53 insertions, 70 deletions

diff --git a/src/gallium/drivers/nv30/nv30_context.h b/src/gallium/drivers/nv30/nv30_context.h
index 692d8dd5230..b8a26712a8b 100644
--- a/src/gallium/drivers/nv30/nv30_context.h
+++ b/src/gallium/drivers/nv30/nv30_context.h
@@ -213,6 +213,7 @@ extern void nv30_state_tex_update(struct nv30_context *nv30);
 extern struct nv30_state_entry nv30_state_rasterizer;
 extern struct nv30_state_entry nv30_state_blend;
 extern struct nv30_state_entry nv30_state_blend_colour;
+extern struct nv30_state_entry nv30_state_zsa;
 extern struct nv30_state_entry nv30_state_framebuffer;
 
 /* nv30_vbo.c */
diff --git a/src/gallium/drivers/nv30/nv30_state.c b/src/gallium/drivers/nv30/nv30_state.c
index 8c7a902e28f..8121e62fb92 100644
--- a/src/gallium/drivers/nv30/nv30_state.c
+++ b/src/gallium/drivers/nv30/nv30_state.c
@@ -405,65 +405,76 @@ nv30_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
 	FREE(rsso);
 }
 
-static void
-nv30_translate_stencil(const struct pipe_depth_stencil_alpha_state *cso,
-		       unsigned idx, struct nv30_stencil_push *hw)
-{
-	hw->enable = cso->stencil[idx].enabled ? 1 : 0;
-	hw->wmask = cso->stencil[idx].write_mask;
-	hw->func = nvgl_comparison_op(cso->stencil[idx].func);
-	hw->ref	= cso->stencil[idx].ref_value;
-	hw->vmask = cso->stencil[idx].value_mask;
-	hw->fail = nvgl_stencil_op(cso->stencil[idx].fail_op);
-	hw->zfail = nvgl_stencil_op(cso->stencil[idx].zfail_op);
-	hw->zpass = nvgl_stencil_op(cso->stencil[idx].zpass_op);
-}
-
 static void *
 nv30_depth_stencil_alpha_state_create(struct pipe_context *pipe,
 			const struct pipe_depth_stencil_alpha_state *cso)
 {
-	struct nv30_depth_stencil_alpha_state *hw;
-
-	hw = malloc(sizeof(struct nv30_depth_stencil_alpha_state));
-
-	hw->depth.func		= nvgl_comparison_op(cso->depth.func);
-	hw->depth.write_enable	= cso->depth.writemask ? 1 : 0;
-	hw->depth.test_enable	= cso->depth.enabled ? 1 : 0;
+	struct nv30_context *nv30 = nv30_context(pipe);
+	struct nv30_zsa_state *zsaso = CALLOC(1, sizeof(*zsaso));
+	struct nouveau_stateobj *so = so_new(32, 0);
+	struct nouveau_grobj *rankine = nv30->screen->rankine;
 
-	nv30_translate_stencil(cso, 0, &hw->stencil.front);
-	nv30_translate_stencil(cso, 1, &hw->stencil.back);
+	so_method(so, rankine, NV34TCL_DEPTH_FUNC, 3);
+	so_data  (so, nvgl_comparison_op(cso->depth.func));
+	so_data  (so, cso->depth.writemask ? 1 : 0);
+	so_data  (so, cso->depth.enabled ? 1 : 0);
+
+	so_method(so, rankine, NV34TCL_ALPHA_FUNC_ENABLE, 3);
+	so_data  (so, cso->alpha.enabled ? 1 : 0);
+	so_data  (so, nvgl_comparison_op(cso->alpha.func));
+	so_data  (so, float_to_ubyte(cso->alpha.ref));
+
+	if (cso->stencil[0].enabled) {
+		so_method(so, rankine, NV34TCL_STENCIL_FRONT_ENABLE, 8);
+		so_data  (so, cso->stencil[0].enabled ? 1 : 0);
+		so_data  (so, cso->stencil[0].write_mask);
+		so_data  (so, nvgl_comparison_op(cso->stencil[0].func));
+		so_data  (so, cso->stencil[0].ref_value);
+		so_data  (so, cso->stencil[0].value_mask);
+		so_data  (so, nvgl_stencil_op(cso->stencil[0].fail_op));
+		so_data  (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
+		so_data  (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
+	} else {
+		so_method(so, rankine, NV34TCL_STENCIL_FRONT_ENABLE, 1);
+		so_data  (so, 0);
+	}
 
-	hw->alpha.enabled = cso->alpha.enabled ? 1 : 0;
-	hw->alpha.func = nvgl_comparison_op(cso->alpha.func);
-	hw->alpha.ref  = float_to_ubyte(cso->alpha.ref);
+	if (cso->stencil[1].enabled) {
+		so_method(so, rankine, NV34TCL_STENCIL_BACK_ENABLE, 8);
+		so_data  (so, cso->stencil[1].enabled ? 1 : 0);
+		so_data  (so, cso->stencil[1].write_mask);
+		so_data  (so, nvgl_comparison_op(cso->stencil[1].func));
+		so_data  (so, cso->stencil[1].ref_value);
+		so_data  (so, cso->stencil[1].value_mask);
+		so_data  (so, nvgl_stencil_op(cso->stencil[1].fail_op));
+		so_data  (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
+		so_data  (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
+	} else {
+		so_method(so, rankine, NV34TCL_STENCIL_BACK_ENABLE, 1);
+		so_data  (so, 0);
+	}
 
-	return (void *)hw;
+	so_ref(so, &zsaso->so);
+	zsaso->pipe = *cso;
+	return (void *)zsaso;
 }
 
 static void
 nv30_depth_stencil_alpha_state_bind(struct pipe_context *pipe, void *hwcso)
 {
 	struct nv30_context *nv30 = nv30_context(pipe);
-	struct nv30_depth_stencil_alpha_state *hw = hwcso;
-
-	if (!hwcso) {
-		return;
-	}
 
-	BEGIN_RING(rankine, NV34TCL_DEPTH_FUNC, 3);
-	OUT_RINGp ((uint32_t *)&hw->depth, 3);
-	BEGIN_RING(rankine, NV34TCL_STENCIL_BACK_ENABLE, 16);
-	OUT_RINGp ((uint32_t *)&hw->stencil.back, 8);
-	OUT_RINGp ((uint32_t *)&hw->stencil.front, 8);
-	BEGIN_RING(rankine, NV34TCL_ALPHA_FUNC_ENABLE, 3);
-	OUT_RINGp ((uint32_t *)&hw->alpha.enabled, 3);
+	nv30->zsa = hwcso;
+	nv30->dirty |= NV30_NEW_ZSA;
 }
 
 static void
 nv30_depth_stencil_alpha_state_delete(struct pipe_context *pipe, void *hwcso)
 {
-	free(hwcso);
+	struct nv30_zsa_state *zsaso = hwcso;
+
+	so_ref(NULL, &zsaso->so);
+	FREE(zsaso);
 }
 
 static void *
diff --git a/src/gallium/drivers/nv30/nv30_state.h b/src/gallium/drivers/nv30/nv30_state.h
index b33075aceb6..c65a937467e 100644
--- a/src/gallium/drivers/nv30/nv30_state.h
+++ b/src/gallium/drivers/nv30/nv30_state.h
@@ -65,36 +65,6 @@ struct nv30_fragment_program {
 	uint32_t fp_reg_control;
 };
 
-struct nv30_stencil_push {
-	uint32_t enable;
-	uint32_t wmask;
-	uint32_t func;
-	uint32_t ref;
-	uint32_t vmask;
-	uint32_t fail;
-	uint32_t zfail;
-	uint32_t zpass;
-};
-
-struct nv30_depth_stencil_alpha_state {
-	struct {
-		uint32_t func;
-		uint32_t write_enable;
-		uint32_t test_enable;
-	} depth;
-
-	struct {
-		struct nv30_stencil_push back;
-		struct nv30_stencil_push front;
-	} stencil;
-
-	struct {
-		uint32_t enabled;
-		uint32_t func;
-		uint32_t ref;
-	} alpha;
-};
-
 struct nv30_miptree {
 	struct pipe_texture base;
 
diff --git a/src/gallium/drivers/nv30/nv30_state_emit.c b/src/gallium/drivers/nv30/nv30_state_emit.c
index 7d77adbfdf0..83bb3408a5a 100644
--- a/src/gallium/drivers/nv30/nv30_state_emit.c
+++ b/src/gallium/drivers/nv30/nv30_state_emit.c
@@ -6,6 +6,7 @@ static struct nv30_state_entry *render_states[] = {
 	&nv30_state_rasterizer,
 	&nv30_state_blend,
 	&nv30_state_blend_colour,
+	&nv30_state_zsa,
 	NULL
 };