From 6d9624505dfd5f6caf7c4472907dc86480c1a128 Mon Sep 17 00:00:00 2001
From: SarahW <SarahW@localhost>
Date: Mon, 23 Jan 2017 21:04:55 +0000
Subject: [PATCH] Voodoo fast fill command now affected by Y origin bit

---
 src/vid_voodoo.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/vid_voodoo.c b/src/vid_voodoo.c
index 7262f32..162a6cc 100644
--- a/src/vid_voodoo.c
+++ b/src/vid_voodoo.c
@@ -3411,7 +3411,19 @@ static inline void queue_triangle(voodoo_t *voodoo, voodoo_params_t *params)
 static void voodoo_fastfill(voodoo_t *voodoo, voodoo_params_t *params)
 {
         int y;
+        int low_y, high_y;
 
+        if (params->fbzMode & (1 << 17))
+        {
+                high_y = voodoo->v_disp - params->clipLowY;
+                low_y = voodoo->v_disp - params->clipHighY;
+        }
+        else
+        {
+                low_y = params->clipLowY;
+                high_y = params->clipHighY;
+        }
+        
         if (params->fbzMode & FBZ_RGB_WMASK)
         {
                 int r, g, b;
@@ -3422,7 +3434,7 @@ static void voodoo_fastfill(voodoo_t *voodoo, voodoo_params_t *params)
                 b = (params->color1 >> 3) & 0x1f;
                 col = b | (g << 5) | (r << 11);
 
-                for (y = params->clipLowY; y < params->clipHighY; y++)
+                for (y = low_y; y < high_y; y++)
                 {
                         uint16_t *cbuf = (uint16_t *)&voodoo->fb_mem[(params->draw_offset + y*voodoo->row_width) & voodoo->fb_mask];
                         int x;
@@ -3433,7 +3445,7 @@ static void voodoo_fastfill(voodoo_t *voodoo, voodoo_params_t *params)
         }
         if (params->fbzMode & FBZ_DEPTH_WMASK)
         {        
-                for (y = params->clipLowY; y < params->clipHighY; y++)
+                for (y = low_y; y < high_y; y++)
                 {
                         uint16_t *abuf = (uint16_t *)&voodoo->fb_mem[(params->aux_offset + y*voodoo->row_width) & voodoo->fb_mask];
                         int x;