From: Patrice Mandin <pmandin@caramail.com>
Date: Thu, 3 Jul 2008 19:25:47 +0000 (+0200)
Subject: nv30: Emit blend state using state objects
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c0e9eb3b095c9769d3deacf4ad4470bd155acdcd;p=mesa.git

nv30: Emit blend state using state objects
---

diff --git a/src/gallium/drivers/nv30/nv30_context.h b/src/gallium/drivers/nv30/nv30_context.h
index 57cc991cd7a..eedebc91b23 100644
--- a/src/gallium/drivers/nv30/nv30_context.h
+++ b/src/gallium/drivers/nv30/nv30_context.h
@@ -87,8 +87,7 @@ struct nv30_zsa_state {
 	struct nouveau_stateobj *so;
 };
 
-/* TODO: rename when removing the old state emitter */
-struct nv30_blend_state_new {
+struct nv30_blend_state {
 	struct pipe_blend_state pipe;
 	struct nouveau_stateobj *so;
 };
@@ -125,7 +124,7 @@ struct nv30_context {
 	unsigned vp_samplers;
 
 	/* Context state */
-	struct nv30_blend_state_new *blend;
+	struct nv30_blend_state *blend;
 	struct pipe_blend_color blend_colour;
 	struct pipe_viewport_state viewport;
 	struct pipe_framebuffer_state framebuffer;
@@ -212,6 +211,7 @@ extern void nv30_fragtex_bind(struct nv30_context *);
 extern boolean nv30_state_validate(struct nv30_context *nv30);
 extern void nv30_emit_hw_state(struct nv30_context *nv30);
 extern void nv30_state_tex_update(struct nv30_context *nv30);
+extern struct nv30_state_entry nv30_state_blend;
 extern struct nv30_state_entry nv30_state_blend_colour;
 extern struct nv30_state_entry nv30_state_framebuffer;
 
diff --git a/src/gallium/drivers/nv30/nv30_state.c b/src/gallium/drivers/nv30/nv30_state.c
index e67a701809a..cf46dcef936 100644
--- a/src/gallium/drivers/nv30/nv30_state.c
+++ b/src/gallium/drivers/nv30/nv30_state.c
@@ -9,63 +9,65 @@ static void *
 nv30_blend_state_create(struct pipe_context *pipe,
 			const struct pipe_blend_state *cso)
 {
-	struct nv30_blend_state *cb;
-
-	cb = malloc(sizeof(struct nv30_blend_state));
-
-	cb->b_enable = cso->blend_enable ? 1 : 0;
-	cb->b_srcfunc = ((nvgl_blend_func(cso->alpha_src_factor)<<16) |
-			 (nvgl_blend_func(cso->rgb_src_factor)));
-	cb->b_dstfunc = ((nvgl_blend_func(cso->alpha_dst_factor)<<16) |
-			 (nvgl_blend_func(cso->rgb_dst_factor)));
-	cb->b_eqn = ((nvgl_blend_eqn(cso->alpha_func) << 16) |
-		     (nvgl_blend_eqn(cso->rgb_func)));
+	struct nv30_context *nv30 = nv30_context(pipe);
+	struct nouveau_grobj *rankine = nv30->screen->rankine;
+	struct nv30_blend_state *bso = CALLOC(1, sizeof(*bso));
+	struct nouveau_stateobj *so = so_new(16, 0);
+
+	if (cso->blend_enable) {
+		so_method(so, rankine, NV34TCL_BLEND_FUNC_ENABLE, 3);
+		so_data  (so, 1);
+		so_data  (so, (nvgl_blend_func(cso->alpha_src_factor) << 16) |
+			       nvgl_blend_func(cso->rgb_src_factor));
+		so_data  (so, nvgl_blend_func(cso->alpha_dst_factor) << 16 |
+			      nvgl_blend_func(cso->rgb_dst_factor));
+		so_method(so, rankine, NV34TCL_BLEND_EQUATION, 1);
+		so_data  (so, nvgl_blend_eqn(cso->alpha_func) << 16 |
+			      nvgl_blend_eqn(cso->rgb_func));
+	} else {
+		so_method(so, rankine, NV34TCL_BLEND_FUNC_ENABLE, 1);
+		so_data  (so, 0);
+	}
 
-	cb->l_enable = cso->logicop_enable ? 1 : 0;
-	cb->l_op = nvgl_logicop_func(cso->logicop_func);
+	so_method(so, rankine, NV34TCL_COLOR_MASK, 1);
+	so_data  (so, (((cso->colormask & PIPE_MASK_A) ? (0x01 << 24) : 0) |
+		       ((cso->colormask & PIPE_MASK_R) ? (0x01 << 16) : 0) |
+		       ((cso->colormask & PIPE_MASK_G) ? (0x01 <<  8) : 0) |
+		       ((cso->colormask & PIPE_MASK_B) ? (0x01 <<  0) : 0)));
 
-	cb->c_mask = (((cso->colormask & PIPE_MASK_A) ? (0x01<<24) : 0) |
-		      ((cso->colormask & PIPE_MASK_R) ? (0x01<<16) : 0) |
-		      ((cso->colormask & PIPE_MASK_G) ? (0x01<< 8) : 0) |
-		      ((cso->colormask & PIPE_MASK_B) ? (0x01<< 0) : 0));
+	if (cso->logicop_enable) {
+		so_method(so, rankine, NV34TCL_COLOR_LOGIC_OP_ENABLE, 2);
+		so_data  (so, 1);
+		so_data  (so, nvgl_logicop_func(cso->logicop_func));
+	} else {
+		so_method(so, rankine, NV34TCL_COLOR_LOGIC_OP_ENABLE, 1);
+		so_data  (so, 0);
+	}
 
-	cb->d_enable = cso->dither ? 1 : 0;
+	so_method(so, rankine, NV34TCL_DITHER_ENABLE, 1);
+	so_data  (so, cso->dither ? 1 : 0);
 
-	return (void *)cb;
+	so_ref(so, &bso->so);
+	bso->pipe = *cso;
+	return (void *)bso;
 }
 
 static void
 nv30_blend_state_bind(struct pipe_context *pipe, void *hwcso)
 {
 	struct nv30_context *nv30 = nv30_context(pipe);
-	struct nv30_blend_state *cb = hwcso;
-
-	if (!hwcso) {
-		return;
-	}
-
-	BEGIN_RING(rankine, NV34TCL_DITHER_ENABLE, 1);
-	OUT_RING  (cb->d_enable);
 
-	BEGIN_RING(rankine, NV34TCL_BLEND_FUNC_ENABLE, 3);
-	OUT_RING  (cb->b_enable);
-	OUT_RING  (cb->b_srcfunc);
-	OUT_RING  (cb->b_dstfunc);
-	BEGIN_RING(rankine, NV34TCL_BLEND_EQUATION, 1);
-	OUT_RING  (cb->b_eqn);
-
-	BEGIN_RING(rankine, NV34TCL_COLOR_MASK, 1);
-	OUT_RING  (cb->c_mask);
-
-	BEGIN_RING(rankine, NV34TCL_COLOR_LOGIC_OP_ENABLE, 2);
-	OUT_RING  (cb->l_enable);
-	OUT_RING  (cb->l_op);
+	nv30->blend = hwcso;
+	nv30->dirty |= NV30_NEW_BLEND;
 }
 
 static void
 nv30_blend_state_delete(struct pipe_context *pipe, void *hwcso)
 {
-	free(hwcso);
+	struct nv30_blend_state *bso = hwcso;
+
+	so_ref(NULL, &bso->so);
+	FREE(bso);
 }
 
 
diff --git a/src/gallium/drivers/nv30/nv30_state.h b/src/gallium/drivers/nv30/nv30_state.h
index 117520dd13c..8489b7b7969 100644
--- a/src/gallium/drivers/nv30/nv30_state.h
+++ b/src/gallium/drivers/nv30/nv30_state.h
@@ -3,20 +3,6 @@
 
 #include "pipe/p_state.h"
 
-struct nv30_blend_state {
-	uint32_t b_enable;
-	uint32_t b_srcfunc;
-	uint32_t b_dstfunc;
-	uint32_t b_eqn;
-
-	uint32_t l_enable;
-	uint32_t l_op;
-
-	uint32_t c_mask;
-
-	uint32_t d_enable;
-};
-
 struct nv30_sampler_state {
 	uint32_t fmt;
 	uint32_t wrap;
diff --git a/src/gallium/drivers/nv30/nv30_state_blend.c b/src/gallium/drivers/nv30/nv30_state_blend.c
index a1b0100472d..44d43e132a5 100644
--- a/src/gallium/drivers/nv30/nv30_state_blend.c
+++ b/src/gallium/drivers/nv30/nv30_state_blend.c
@@ -7,7 +7,7 @@ nv30_state_blend_validate(struct nv30_context *nv30)
 	return TRUE;
 }
 
-struct nv30_state_entry nv30_state_blend_new = {
+struct nv30_state_entry nv30_state_blend = {
 	.validate = nv30_state_blend_validate,
 	.dirty = {
 		.pipe = NV30_NEW_BLEND,
diff --git a/src/gallium/drivers/nv30/nv30_state_emit.c b/src/gallium/drivers/nv30/nv30_state_emit.c
index 541ad0da3e8..492f4110117 100644
--- a/src/gallium/drivers/nv30/nv30_state_emit.c
+++ b/src/gallium/drivers/nv30/nv30_state_emit.c
@@ -3,6 +3,7 @@
 
 static struct nv30_state_entry *render_states[] = {
 	&nv30_state_framebuffer,
+	&nv30_state_blend,
 	&nv30_state_blend_colour,
 	NULL
 };