From b2beea2fa8949874d3d57fb9b43fe85cc08a8bff Mon Sep 17 00:00:00 2001
From: George Sapountzis <gsap7@yahoo.gr>
Date: Sat, 5 Aug 2006 18:36:24 +0300
Subject: [mach64] RENDER support: save/restore, cache texture registers.

---
 src/atimach64.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

(limited to 'src/atimach64.c')

diff --git a/src/atimach64.c b/src/atimach64.c
index cc3a3cb0..401c4261 100644
--- a/src/atimach64.c
+++ b/src/atimach64.c
@@ -483,6 +483,15 @@ ATIMach64Save
         pATIHW->src_height2 = inm(SRC_HEIGHT2);
         pATIHW->src_cntl = inm(SRC_CNTL);
 
+        if (pATI->Chip >= ATI_CHIP_264GTPRO)
+        {
+            CARD32 offset = TEX_LEVEL(inm(TEX_SIZE_PITCH));
+
+            /* Save 3D control & texture registers */
+            pATIHW->tex_offset = inm(TEX_0_OFF + offset);
+            pATIHW->scale_3d_cntl = inm(SCALE_3D_CNTL);
+        }
+
         /* Save host data register */
         pATIHW->host_cntl = inm(HOST_CNTL);
 
@@ -514,6 +523,13 @@ ATIMach64Save
         /* Save context */
         pATIHW->context_mask = inm(CONTEXT_MASK);
 
+        if (pATI->Chip >= ATI_CHIP_264GTPRO)
+        {
+            /* Save texture setup registers */
+            pATIHW->tex_size_pitch = inm(TEX_SIZE_PITCH);
+            pATIHW->tex_cntl = inm(TEX_CNTL);
+        }
+
         if (pATI->Block1Base)
         {
             /* Save overlay & scaler registers */
@@ -853,6 +869,14 @@ ATIMach64Set
         outf(DST_BRES_DEC, pATIHW->dst_bres_dec);
         outf(DST_CNTL, pATIHW->dst_cntl);
 
+        if (pATI->Chip >= ATI_CHIP_264GTPRO)
+        {
+            /* Load ROP unit registers */
+            ATIMach64WaitForFIFO(pATI, 2);
+            outf(Z_CNTL, 0);
+            outf(ALPHA_TST_CNTL, 0);
+        }
+
         /* Load source registers */
         ATIMach64WaitForFIFO(pATI, 6);
         outf(SRC_OFF_PITCH, pATIHW->src_off_pitch);
@@ -865,6 +889,16 @@ ATIMach64Set
             SetWord(pATIHW->src_width2, 1) | SetWord(pATIHW->src_height2, 0));
         outf(SRC_CNTL, pATIHW->src_cntl);
 
+        if (pATI->Chip >= ATI_CHIP_264GTPRO)
+        {
+            CARD32 offset = TEX_LEVEL(pATIHW->tex_size_pitch);
+
+            /* Load 3D control & texture registers */
+            ATIMach64WaitForFIFO(pATI, 2);
+            outf(TEX_0_OFF + offset, pATIHW->tex_offset);
+            outf(SCALE_3D_CNTL, pATIHW->scale_3d_cntl);
+        }
+
         /* Load host data register */
         ATIMach64WaitForFIFO(pATI, 1);
         outf(HOST_CNTL, pATIHW->host_cntl);
@@ -912,6 +946,14 @@ ATIMach64Set
         ATIMach64WaitForFIFO(pATI, 1);
         outf(CONTEXT_MASK, pATIHW->context_mask);
 
+        if (pATI->Chip >= ATI_CHIP_264GTPRO)
+        {
+            /* Load texture setup registers */
+            ATIMach64WaitForFIFO(pATI, 2);
+            outf(TEX_SIZE_PITCH, pATIHW->tex_size_pitch);
+            outf(TEX_CNTL, pATIHW->tex_cntl);
+        }
+
         if (pATI->Block1Base)
         {
             /* Load overlay & scaler registers */
@@ -982,6 +1024,11 @@ ATIMach64Set
 
             CacheRegister(SRC_CNTL);
 
+            if (pATI->Chip >= ATI_CHIP_264GTPRO)
+            {
+                CacheRegister(SCALE_3D_CNTL);
+            }
+
             CacheRegister(HOST_CNTL);
 
             CacheRegister(PAT_REG0);
@@ -1001,6 +1048,11 @@ ATIMach64Set
             CacheRegister(CLR_CMP_MSK);
             CacheRegister(CLR_CMP_CNTL);
 
+            if (pATI->Chip >= ATI_CHIP_264GTPRO)
+            {
+                CacheRegister(TEX_SIZE_PITCH);
+            }
+
             if (pATI->Block1Base)
             {
                 CacheRegister(OVERLAY_Y_X_START);
-- 
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