From 2e635ef563e2bff50e7a2af4f505bbd066865723 Mon Sep 17 00:00:00 2001
From: Corbin Simpson <MostAwesomeDude@gmail.com>
Date: Tue, 27 Jan 2009 04:48:19 -0800
Subject: [PATCH] r300: Add dsa state emit.

Seeing a pattern yet?
---
 src/gallium/drivers/r300/r300_emit.c    | 31 ++++++++++++++++---------
 src/gallium/drivers/r300/r300_emit.h    |  3 +++
 src/gallium/drivers/r300/r300_surface.c |  9 +++----
 src/gallium/drivers/r300/r300_surface.h | 10 ++++++++
 4 files changed, 36 insertions(+), 17 deletions(-)

diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index e091352c3bd..d8de766c318 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -56,6 +56,25 @@ void r300_emit_blend_color_state(struct r300_context* r300,
     }
 }
 
+void r300_emit_dsa_state(struct r300_context* r300,
+                           struct r300_dsa_state* dsa)
+{
+    struct r300_screen* r300screen =
+        (struct r300_screen*)r300->context.screen;
+    CS_LOCALS(r300);
+    BEGIN_CS(r300screen->caps->is_r500 ? 12 : 10);
+    OUT_CS_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function);
+    OUT_CS_REG(R500_FG_ALPHA_VALUE, dsa->alpha_reference);
+    OUT_CS_REG_SEQ(R300_ZB_CNTL, 3);
+    OUT_CS(dsa->z_buffer_control);
+    OUT_CS(dsa->z_stencil_control);
+    OUT_CS(dsa->stencil_ref_mask);
+    OUT_CS_REG(R300_ZB_ZTOP, dsa->z_buffer_top);
+    if (r300screen->caps->is_r500) {
+        OUT_CS_REG(R500_ZB_STENCILREFMASK_BF, dsa->stencil_ref_bf);
+    }
+}
+
 static void r300_emit_dirty_state(struct r300_context* r300)
 {
     struct r300_screen* r300screen =
@@ -77,17 +96,7 @@ static void r300_emit_dirty_state(struct r300_context* r300)
     }
 
     if (r300->dirty_state & R300_NEW_DSA) {
-        struct r300_dsa_state* dsa = r300->dsa_state;
-        OUT_CS_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function);
-        OUT_CS_REG(R500_FG_ALPHA_VALUE, dsa->alpha_reference);
-        /* XXX next three are contiguous regs */
-        OUT_CS_REG(R300_ZB_CNTL, dsa->z_buffer_control);
-        OUT_CS_REG(R300_ZB_ZSTENCILCNTL, dsa->z_stencil_control);
-        OUT_CS_REG(R300_ZB_STENCILREFMASK, dsa->stencil_ref_mask);
-        OUT_CS_REG(R300_ZB_ZTOP, dsa->z_buffer_top);
-        if (r300screen->caps->is_r500) {
-            OUT_CS_REG(R500_ZB_STENCILREFMASK_BF, dsa->stencil_ref_bf);
-        }
+        r300_emit_dsa_state(r300, r300->dsa_state);
     }
 
     if (r300->dirty_state & R300_NEW_RASTERIZER) {
diff --git a/src/gallium/drivers/r300/r300_emit.h b/src/gallium/drivers/r300/r300_emit.h
index 5756b6acf4c..98287bc1f3a 100644
--- a/src/gallium/drivers/r300/r300_emit.h
+++ b/src/gallium/drivers/r300/r300_emit.h
@@ -29,3 +29,6 @@ void r300_emit_blend_state(struct r300_context* r300,
 
 void r300_emit_blend_color_state(struct r300_context* r300,
                                  struct r300_blend_color_state* bc);
+
+void r300_emit_dsa_state(struct r300_context* r300,
+                           struct r300_dsa_state* dsa);
diff --git a/src/gallium/drivers/r300/r300_surface.c b/src/gallium/drivers/r300/r300_surface.c
index 2e5a572f477..aab1850144b 100644
--- a/src/gallium/drivers/r300/r300_surface.c
+++ b/src/gallium/drivers/r300/r300_surface.c
@@ -151,7 +151,6 @@ OUT_CS_REG(0x4BC0, 0x00000002);
 OUT_CS_REG(0x4BC8, 0x00000000);
 OUT_CS_REG(0x4BCC, 0x00000000);
 OUT_CS_REG(0x4BD0, 0x00000000);
-OUT_CS_REG(0x4BD4, 0x00000000);
 OUT_CS_REG(0x4BD8, 0x00000000);
 OUT_CS_REG(0x4BD8, 0x00000000);
 OUT_CS_REG(0x4E00, 0x00000000);
@@ -175,7 +174,6 @@ OUT_CS_REG(0x4F00, 0x00000010);
 OUT_CS_REG(0x4F04, 0x00038038);
 OUT_CS_REG(0x4F08, 0x00FFFF00);
 OUT_CS_REG(0x4F10, 0x00000002);
-OUT_CS_REG(0x4F14, 0x00000001);
 OUT_CS_REG(0x4F18, 0x00000003);
 OUT_CS_REG(0x4F1C, 0x00000000);
 OUT_CS_REG(0x4F28, 0x00000000);
@@ -313,15 +311,14 @@ OUT_CS_REG(0x2208, 0x00F02203);
 OUT_CS_REG(0x2208, 0x00D10021);
 OUT_CS_REG(0x2208, 0x01248021);
 OUT_CS_REG(0x2208, 0x00000000);
+
+r300_emit_dsa_state(r300, &dsa_clear_state);
+
 R300_PACIFY;
 OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0, 1);
 OUT_CS_RELOC(dest->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0);
 //OUT_CS_REG(0x4E38, 0x00C00100);
 OUT_CS_REG(0x4E0C, 0x0000000F);
-OUT_CS_REG(0x4F00, 0x00000000);
-OUT_CS_REG(0x4F04, 0x00000000);
-OUT_CS_REG(0x4F08, 0x00FF0000);
-
 /* XXX Packet3 */
 OUT_CS(CP_PACKET3(R200_3D_DRAW_IMMD_2, 8));
 OUT_CS(R300_PRIM_TYPE_POINT | R300_PRIM_WALK_RING |
diff --git a/src/gallium/drivers/r300/r300_surface.h b/src/gallium/drivers/r300/r300_surface.h
index 8ec7151f4d2..2b89698ca5d 100644
--- a/src/gallium/drivers/r300/r300_surface.h
+++ b/src/gallium/drivers/r300/r300_surface.h
@@ -45,4 +45,14 @@ const struct r300_blend_color_state blend_color_clear_state = {
     .blend_color_green_blue = 0x0,
 };
 
+const struct r300_dsa_state dsa_clear_state = {
+    .alpha_function = 0x0,
+    .alpha_reference = 0x0,
+    .z_buffer_control = 0x0,
+    .z_stencil_control = 0x0,
+    .stencil_ref_mask = 0x0,
+    .z_buffer_top = R300_ZTOP_ENABLE,
+    .stencil_ref_bf = 0x0,
+};
+
 #endif /* R300_SURFACE_H */
-- 
2.30.2