From 2e09845277ce75fa7d29020c5b119ad749522592 Mon Sep 17 00:00:00 2001
From: Corbin Simpson <MostAwesomeDude@gmail.com>
Date: Mon, 19 Jan 2009 21:03:24 -0800
Subject: [PATCH] r300: Various flags, small state tracking things.

Getting these out of the way so more stuff can be put in.
---
 src/gallium/drivers/r300/r300_context.c | 3 +++
 src/gallium/drivers/r300/r300_context.h | 3 +++
 src/gallium/drivers/r300/r300_emit.c    | 5 +++++
 src/gallium/drivers/r300/r300_screen.c  | 1 -
 src/gallium/drivers/r300/r300_state.c   | 4 ++++
 5 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/r300/r300_context.c b/src/gallium/drivers/r300/r300_context.c
index b072179..798d6bd 100644
--- a/src/gallium/drivers/r300/r300_context.c
+++ b/src/gallium/drivers/r300/r300_context.c
@@ -56,5 +56,8 @@ struct pipe_context* r300_create_context(struct pipe_screen* screen,
 
     r300_init_state_functions(r300);
 
+    r300->dirty_state = R300_NEW_KITCHEN_SINK;
+    r300->dirty_hw++;
+
     return &r300->context;
 }
diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
index ad1e4fc..be6214b 100644
--- a/src/gallium/drivers/r300/r300_context.h
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -55,6 +55,7 @@ struct r300_dsa_state {
 };
 
 struct r300_rs_state {
+    uint32_t vap_control_status;    /* R300_VAP_CNTL_STATUS: 0x2140 */
     uint32_t depth_scale_front;     /* R300_SU_POLY_OFFSET_FRONT_SCALE: 0x42a4 */
     uint32_t depth_offset_front;    /* R300_SU_POLY_OFFSET_FRONT_OFFSET: 0x42a8 */
     uint32_t depth_scale_back;      /* R300_SU_POLY_OFFSET_BACK_SCALE: 0x42ac */
@@ -98,6 +99,8 @@ struct r300_context {
 
     /* Bitmask of dirty state objects. */
     uint32_t dirty_state;
+    /* Flag indicating whether or not the HW is dirty. */
+    uint32_t dirty_hw;
 };
 
 /* Convenience cast wrapper. */
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index 8662830..3c59a27 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -31,6 +31,10 @@ static void r300_emit_dirty_state(struct r300_context* r300)
     struct r300_screen* r300screen = (struct r300_screen*)r300->context.screen;
     CS_LOCALS(r300);
 
+    if (!(r300->dirty_state) && !(r300->dirty_hw)) {
+        return;
+    }
+
     /* XXX check size */
 
     if (r300->dirty_state & R300_NEW_BLEND) {
@@ -72,6 +76,7 @@ static void r300_emit_dirty_state(struct r300_context* r300)
 
     if (r300->dirty_state & R300_NEW_RS) {
         struct r300_rs_state* rs = r300->rs_state;
+        OUT_CS_REG(R300_VAP_CNTL_STATUS, rs->vap_control_status);
         /* XXX next six are contiguous regs */
         OUT_CS_REG(R300_SU_POLY_OFFSET_FRONT_SCALE, rs->depth_scale_front);
         OUT_CS_REG(R300_SU_POLY_OFFSET_FRONT_OFFSET, rs->depth_offset_front);
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 5074e3e..5c1bab3 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -123,7 +123,6 @@ static void* r300_surface_map(struct pipe_screen* screen,
                               struct pipe_surface* surface,
                               unsigned flags)
 {
-    /* XXX this is not quite right */
     char* map = pipe_buffer_map(screen, surface->buffer, flags);
 
     if (!map) {
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index cff4b30..d73f448 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -434,6 +434,10 @@ static void* r300_create_rs_state(struct pipe_context* pipe,
                 pack_float_32(state->offset_scale);
     }
 
+    /* XXX this is part of HW TCL */
+    /* XXX endian control */
+    rs->vap_control_status = R300_VAP_TCL_BYPASS;
+
     return (void*)rs;
 }
 
-- 
2.7.4