From a65f39f918f3a28c3c4e38036099d4ce97fcfac7 Mon Sep 17 00:00:00 2001
From: Zack Rusin <zack@tungstengraphics.com>
Date: Wed, 19 Dec 2007 13:22:27 -0500
Subject: [PATCH] consts

---
 src/mesa/pipe/i965simple/brw_curbe.c   | 16 ++++++++++------
 src/mesa/pipe/i965simple/brw_vs_emit.c | 17 ++++++++++++-----
 src/mesa/pipe/xlib/xm_winsys_aub.c     |  2 +-
 3 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/src/mesa/pipe/i965simple/brw_curbe.c b/src/mesa/pipe/i965simple/brw_curbe.c
index 66a04b9c38b..1bdd870bd64 100644
--- a/src/mesa/pipe/i965simple/brw_curbe.c
+++ b/src/mesa/pipe/i965simple/brw_curbe.c
@@ -37,6 +37,7 @@
 #include "brw_util.h"
 #include "brw_wm.h"
 #include "pipe/p_state.h"
+#include "pipe/p_winsys.h"
 #include "pipe/p_util.h"
 
 #define FILE_DEBUG_FLAG DEBUG_FALLBACKS
@@ -246,13 +247,16 @@ static void upload_constant_buffer(struct brw_context *brw)
 
 
    if (brw->curbe.vs_size) {
-//      unsigned offset = brw->curbe.vs_start * 16;
-//      unsigned nr = vp->max_const;
-
+      unsigned offset = brw->curbe.vs_start * 16;
+      /*unsigned nr = vp->max_const;*/
+      const struct pipe_constant_buffer *cbuffer = brw->attribs.Constants[0];
+      struct pipe_winsys *ws = brw->pipe.winsys;
       /* map the vertex constant buffer and copy to curbe: */
-
-//      assert(nr == 0);
-      assert(0);
+      ws->buffer_map(ws, cbuffer->buffer, 0);
+      ws->buffer_get_subdata(ws, cbuffer->buffer,
+                             0, cbuffer->size,
+                             &buf[offset]);
+      ws->buffer_unmap(ws, cbuffer->buffer);
    }
 
    if (0) {
diff --git a/src/mesa/pipe/i965simple/brw_vs_emit.c b/src/mesa/pipe/i965simple/brw_vs_emit.c
index d8483f213a5..d70df158f9f 100644
--- a/src/mesa/pipe/i965simple/brw_vs_emit.c
+++ b/src/mesa/pipe/i965simple/brw_vs_emit.c
@@ -38,6 +38,7 @@
 struct brw_prog_info {
    unsigned num_temps;
    unsigned num_addrs;
+   unsigned num_consts;
 
    unsigned writes_psize;
 
@@ -74,13 +75,11 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c,
 
    /* Vertex program parameters from curbe:
     */
-#if 0
-   nr_params = c->vp->program.num_inputs; /*FIXME: i think this is wrong... */
+   nr_params = c->prog_data.max_const;
    for (i = 0; i < nr_params; i++) {
-      c->regs[TGSI_FILE_INPUT][i] = stride(brw_vec4_grf(reg+i/2, (i%2) * 4), 0, 4, 1);
+      c->regs[TGSI_FILE_CONSTANT][i] = stride(brw_vec4_grf(reg+i/2, (i%2) * 4), 0, 4, 1);
    }
    reg += (nr_params+1)/2;
-#endif
    c->prog_data.curb_read_length = reg - 1;
 
 
@@ -986,6 +985,13 @@ static void process_declaration(const struct tgsi_full_declaration *decl,
 {
    switch(decl->Declaration.File) {
    case TGSI_FILE_CONSTANT: {
+      if (decl->Declaration.Declare == TGSI_DECLARE_MASK) {
+         printf("DECLARATION MASK = %d\n",
+                decl->u.DeclarationMask.Mask);
+         assert(0);
+      } else { /*range*/
+         info->num_consts += decl->u.DeclarationRange.Last - decl->u.DeclarationRange.First + 1;
+      }
    }
       break;
    case TGSI_FILE_INPUT: {
@@ -1300,12 +1306,12 @@ void brw_vs_emit(struct brw_vs_compile *c)
             /* first instruction (declerations finished).
              * now that we know what vars are being used allocate
              * registers for them.*/
+            c->prog_data.max_const = prog_info.num_consts;
             brw_vs_alloc_regs(c, &prog_info);
 
 	    brw_set_access_mode(p, BRW_ALIGN_1);
             brw_MOV(p, get_addr_reg(stack_index), brw_address(c->stack));
 	    brw_set_access_mode(p, BRW_ALIGN_16);
-
             allocated_registers = 1;
          }
          process_instruction(c, inst, &prog_info);
@@ -1318,4 +1324,5 @@ void brw_vs_emit(struct brw_vs_compile *c)
    emit_vertex_write(c, &prog_info);
    post_vs_emit(c, end_inst);
    tgsi_parse_free(&parse);
+
 }
diff --git a/src/mesa/pipe/xlib/xm_winsys_aub.c b/src/mesa/pipe/xlib/xm_winsys_aub.c
index 60ba233f35d..2d276480cbb 100644
--- a/src/mesa/pipe/xlib/xm_winsys_aub.c
+++ b/src/mesa/pipe/xlib/xm_winsys_aub.c
@@ -259,7 +259,7 @@ static int aub_buffer_get_subdata(struct pipe_winsys *winsys,
 				     void *data)
 {
    struct aub_buffer *sbo = aub_bo(buf);
-   assert(sbo->size > offset + size);
+   assert(sbo->size >= offset + size);
    memcpy(data, sbo->data + offset, size);
    return 0;
 }
-- 
2.30.2