X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fx11%2Fxm_tri.c;h=aa9ffe5030c13eb8f3ebc7061359ca4d135a7aec;hb=02128c448d1f4eedf70b3bdb4ec187cf405c530e;hp=61e8986a9b23aea8180f241df3f88d68c6c96bf4;hpb=c7a5d528c7e5f4812b423bf4c091d21c34af3cf1;p=mesa.git

diff --git a/src/mesa/drivers/x11/xm_tri.c b/src/mesa/drivers/x11/xm_tri.c
index 61e8986a9b2..aa9ffe5030c 100644
--- a/src/mesa/drivers/x11/xm_tri.c
+++ b/src/mesa/drivers/x11/xm_tri.c
@@ -1,6 +1,5 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5
  *
  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  *
@@ -17,9 +16,10 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  */
 
 
@@ -30,11 +30,9 @@
  */
 
 
+#include "main/imports.h"
+#include "main/mtypes.h"
 #include "glxheader.h"
-#include "depth.h"
-#include "macros.h"
-#include "imports.h"
-#include "mtypes.h"
 #include "xmesaP.h"
 
 /* Internal swrast includes:
@@ -45,7 +43,7 @@
 
 
 #define GET_XRB(XRB)  struct xmesa_renderbuffer *XRB = \
-   (struct xmesa_renderbuffer *) ctx->DrawBuffer->_ColorDrawBuffers[0][0]->Wrapped
+   xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0])
 
 
 /**********************************************************************/
@@ -53,6 +51,8 @@
 /**********************************************************************/
 
 
+#if CHAN_BITS == 8
+
 /*
  * XImage, smooth, depth-buffered, PF_TRUECOLOR triangle.
  */
@@ -64,7 +64,7 @@
    XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
    GET_XRB(xrb);
 
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLint x = span.x, y = YFLIP(xrb, span.y);			\
    GLuint i;							\
    for (i = 0; i < span.end; i++, x++) {			\
@@ -80,7 +80,7 @@
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
       span.z += span.zStep;					\
-   }
+   } }
 
 #include "swrast/s_tritemp.h"
 
@@ -94,25 +94,28 @@
 #define INTERP_Z 1
 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
 #define INTERP_RGB 1
+#define INTERP_ALPHA 1
 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
 #define PIXEL_TYPE GLuint
 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
 #define SETUP_CODE						\
    GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    for (i = 0; i < span.end; i++) {				\
       const DEPTH_TYPE z = FixedToDepth(span.z);		\
       if (z < zRow[i]) {					\
-         pRow[i] = PACK_8B8G8R(FixedToInt(span.red),		\
-            FixedToInt(span.green), FixedToInt(span.blue));	\
+         pRow[i] = PACK_8A8B8G8R(FixedToInt(span.red),		\
+            FixedToInt(span.green), FixedToInt(span.blue),	\
+            FixedToInt(span.alpha));				\
          zRow[i] = z;						\
       }								\
       span.red += span.redStep;					\
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
+      span.alpha += span.alphaStep;				\
       span.z += span.zStep;					\
-   }
+   } }
 
 #include "swrast/s_tritemp.h"
 
@@ -125,26 +128,29 @@
 #define INTERP_Z 1
 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
 #define INTERP_RGB 1
+#define INTERP_ALPHA 1
 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
 #define PIXEL_TYPE GLuint
 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
 #define SETUP_CODE						\
    GET_XRB(xrb);
 
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    for (i = 0; i < span.end; i++) {				\
       const DEPTH_TYPE z = FixedToDepth(span.z);		\
       if (z < zRow[i]) {					\
-         pRow[i] = PACK_8R8G8B(FixedToInt(span.red),		\
-            FixedToInt(span.green), FixedToInt(span.blue));	\
+         pRow[i] = PACK_8A8R8G8B(FixedToInt(span.red),		\
+            FixedToInt(span.green), FixedToInt(span.blue),	\
+            FixedToInt(span.alpha));				\
          zRow[i] = z;						\
       }								\
       span.red += span.redStep;					\
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
+      span.alpha += span.alphaStep;				\
       span.z += span.zStep;					\
-   }
+   } }
 
 #include "swrast/s_tritemp.h"
 
@@ -163,7 +169,7 @@
 #define SETUP_CODE						\
    GET_XRB(xrb);
 
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    for (i = 0; i < span.end; i++) {				\
       const DEPTH_TYPE z = FixedToDepth(span.z);		\
@@ -176,7 +182,7 @@
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
       span.z += span.zStep;					\
-   }
+   } }
 
 #include "swrast/s_tritemp.h"
 
@@ -194,7 +200,7 @@
 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
 #define SETUP_CODE						\
    GET_XRB(xrb);
-#define RENDER_SPAN( span ) 					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    for (i = 0; i < span.end; i++) {				\
       const DEPTH_TYPE z = FixedToDepth(span.z);		\
@@ -209,7 +215,7 @@
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
       span.z += span.zStep;					\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -224,7 +230,7 @@
 #define SETUP_CODE						\
    XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
    GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    GLint x = span.x, y = YFLIP(xrb, span.y);			\
    for (i = 0; i < span.end; i++, x++) {			\
@@ -240,7 +246,7 @@
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
       span.z += span.zStep;					\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -257,7 +263,7 @@
 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
 #define SETUP_CODE						\
    GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    for (i = 0; i < span.end; i++) {				\
       const DEPTH_TYPE z = FixedToDepth(span.z);		\
@@ -270,7 +276,7 @@
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
       span.z += span.zStep;					\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -288,7 +294,7 @@
 #define SETUP_CODE						\
    XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
    GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    GLint x = span.x, y = YFLIP(xrb, span.y);			\
    for (i = 0; i < span.end; i++, x++) {			\
@@ -302,133 +308,7 @@
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
       span.z += span.zStep;					\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, 8-bit, PF_DITHER8 triangle.
- */
-#define NAME smooth_DITHER8_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE						\
-   GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   GLint x = span.x, y = YFLIP(xrb, span.y);			\
-   XDITHER_SETUP(y);						\
-   for (i = 0; i < span.end; i++, x++) {			\
-      const DEPTH_TYPE z = FixedToDepth(span.z);		\
-      if (z < zRow[i]) {					\
-         pRow[i] = (PIXEL_TYPE) XDITHER(x, FixedToInt(span.red),\
-            FixedToInt(span.green), FixedToInt(span.blue) );	\
-         zRow[i] = z;						\
-      }								\
-      span.red += span.redStep;					\
-      span.green += span.greenStep;				\
-      span.blue += span.blueStep;				\
-      span.z += span.zStep;					\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, PF_DITHER triangle.
- */
-#define NAME smooth_DITHER_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define SETUP_CODE						\
-   GET_XRB(xrb);						\
-   XMesaImage *img = xrb->ximage;
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   GLint x = span.x, y = YFLIP(xrb, span.y);			\
-   XDITHER_SETUP(y);						\
-   for (i = 0; i < span.end; i++, x++) {			\
-      const DEPTH_TYPE z = FixedToDepth(span.z);		\
-      if (z < zRow[i]) {					\
-         unsigned long p = XDITHER(x, FixedToInt(span.red),	\
-            FixedToInt(span.green), FixedToInt(span.blue));	\
-	 XMesaPutPixel(img, x, y, p);			       	\
-         zRow[i] = z;						\
-      }								\
-      span.red += span.redStep;					\
-      span.green += span.greenStep;				\
-      span.blue += span.blueStep;				\
-      span.z += span.zStep;					\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, 8-bit PF_LOOKUP triangle.
- */
-#define NAME smooth_LOOKUP8_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE						\
-   GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   LOOKUP_SETUP;						\
-   for (i = 0; i < span.end; i++) {				\
-      const DEPTH_TYPE z = FixedToDepth(span.z);		\
-      if (z < zRow[i]) {					\
-         pRow[i] = LOOKUP(FixedToInt(span.red),			\
-            FixedToInt(span.green), FixedToInt(span.blue));	\
-         zRow[i] = z;						\
-      }								\
-      span.red += span.redStep;					\
-      span.green += span.greenStep;				\
-      span.blue += span.blueStep;				\
-      span.z += span.zStep;					\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, 8-bit PF_HPCR triangle.
- */
-#define NAME smooth_HPCR_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE						\
-   XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
-   GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   GLint x = span.x, y = YFLIP(xrb, span.y);			\
-   for (i = 0; i < span.end; i++, x++) {			\
-      const DEPTH_TYPE z = FixedToDepth(span.z);		\
-      if (z < zRow[i]) {					\
-         pRow[i] = DITHER_HPCR(x, y, FixedToInt(span.red),	\
-            FixedToInt(span.green), FixedToInt(span.blue) );	\
-         zRow[i] = z;						\
-      }								\
-      span.red += span.redStep;					\
-      span.green += span.greenStep;				\
-      span.blue += span.blueStep;				\
-      span.z += span.zStep;					\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -445,7 +325,7 @@
    XMesaImage *img = xrb->ximage;				\
    unsigned long pixel;						\
    PACK_TRUECOLOR(pixel, v2->color[0], v2->color[1], v2->color[2]);
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    GLint x = span.x, y = YFLIP(xrb, span.y);			\
    for (i = 0; i < span.end; i++, x++) {			\
@@ -455,7 +335,7 @@
          zRow[i] = z;						\
       }								\
       span.z += span.zStep;					\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -471,8 +351,9 @@
 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
 #define SETUP_CODE					\
    GET_XRB(xrb);					\
-   GLuint p = PACK_8B8G8R( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span )				\
+   GLuint p = PACK_8A8B8G8R( v2->color[0], v2->color[1],\
+                             v2->color[2], v2->color[3]);
+#define RENDER_SPAN( span ) {				\
    GLuint i;						\
    for (i = 0; i < span.end; i++) {			\
       const DEPTH_TYPE z = FixedToDepth(span.z);	\
@@ -481,7 +362,7 @@
          zRow[i] = z;					\
       }							\
       span.z += span.zStep;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -497,8 +378,9 @@
 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
 #define SETUP_CODE					\
    GET_XRB(xrb);					\
-   GLuint p = PACK_8R8G8B( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span )				\
+   GLuint p = PACK_8A8R8G8B(v2->color[0], v2->color[1],	\
+                            v2->color[2], v2->color[3]);
+#define RENDER_SPAN( span ) {				\
    GLuint i;						\
    for (i = 0; i < span.end; i++) {			\
       const DEPTH_TYPE z = FixedToDepth(span.z);	\
@@ -507,7 +389,7 @@
          zRow[i] = z;					\
       }							\
       span.z += span.zStep;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -524,7 +406,7 @@
 #define SETUP_CODE					\
    GET_XRB(xrb);					\
    GLuint p = PACK_8R8G8B( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span )			\
+#define RENDER_SPAN( span ) {			\
    GLuint i;					\
    for (i = 0; i < span.end; i++) {		\
       DEPTH_TYPE z = FixedToDepth(span.z);	\
@@ -533,7 +415,7 @@
          zRow[i] = z;				\
       }						\
       span.z += span.zStep;			\
-   }
+   } }
 
 #include "swrast/s_tritemp.h"
 
@@ -551,7 +433,7 @@
 #define SETUP_CODE					\
    GET_XRB(xrb);					\
    const GLubyte *color = v2->color;
-#define RENDER_SPAN( span )				\
+#define RENDER_SPAN( span ) {				\
    GLuint i;						\
    for (i = 0; i < span.end; i++) {			\
       const DEPTH_TYPE z = FixedToDepth(span.z);	\
@@ -563,7 +445,7 @@
          zRow[i] = z;					\
       }							\
       span.z += span.zStep;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -578,7 +460,7 @@
    XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
    GET_XRB(xrb);						\
    XMesaImage *img = xrb->ximage;
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    GLint x = span.x, y = YFLIP(xrb, span.y);			\
    for (i = 0; i < span.end; i++, x++) {			\
@@ -591,7 +473,7 @@
          zRow[i] = z;						\
       }								\
       span.z += span.zStep;					\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -608,7 +490,7 @@
 #define SETUP_CODE					\
    GET_XRB(xrb);					\
    GLushort p = PACK_5R6G5B( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span )				\
+#define RENDER_SPAN( span ) {				\
    GLuint i;						\
    for (i = 0; i < span.end; i++) {			\
       const DEPTH_TYPE z = FixedToDepth(span.z);	\
@@ -617,7 +499,7 @@
          zRow[i] = z;					\
       }							\
       span.z += span.zStep;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -635,7 +517,7 @@
    XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
    GET_XRB(xrb);						\
    const GLubyte *color = v2->color;
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    GLint x = span.x, y = YFLIP(xrb, span.y);			\
    for (i = 0; i < span.end; i++, x++) {			\
@@ -646,126 +528,10 @@
          zRow[i] = z;						\
       }								\
       span.z += span.zStep;					\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, 8-bit PF_DITHER triangle.
- */
-#define NAME flat_DITHER8_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE						\
-   GET_XRB(xrb);						\
-   FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   GLint x = span.x, y = YFLIP(xrb, span.y);			\
-   FLAT_DITHER_ROW_SETUP(YFLIP(xrb, y));			\
-   for (i = 0; i < span.end; i++, x++) {			\
-      const DEPTH_TYPE z = FixedToDepth(span.z);		\
-      if (z < zRow[i]) {					\
-	 pRow[i] = (PIXEL_TYPE) FLAT_DITHER(x);			\
-         zRow[i] = z;						\
-      }								\
-      span.z += span.zStep;					\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, PF_DITHER triangle.
- */
-#define NAME flat_DITHER_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define SETUP_CODE						\
-   GET_XRB(xrb);					\
-   XMesaImage *img = xrb->ximage;		\
-   FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   GLint x = span.x, y = YFLIP(xrb, span.y);	\
-   FLAT_DITHER_ROW_SETUP(y);					\
-   for (i = 0; i < span.end; i++, x++) {			\
-      const DEPTH_TYPE z = FixedToDepth(span.z);		\
-      if (z < zRow[i]) {					\
-         unsigned long p = FLAT_DITHER(x);			\
-	 XMesaPutPixel(img, x, y, p);				\
-         zRow[i] = z;						\
-      }								\
-      span.z += span.zStep;					\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, 8-bit PF_HPCR triangle.
- */
-#define NAME flat_HPCR_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE						\
-   XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
-   GET_XRB(xrb);						\
-   GLubyte r = v2->color[0];					\
-   GLubyte g = v2->color[1];					\
-   GLubyte b = v2->color[2];
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   GLint x = span.x, y = YFLIP(xrb, span.y);	\
-   for (i = 0; i < span.end; i++, x++) {			\
-      const DEPTH_TYPE z = FixedToDepth(span.z);		\
-      if (z < zRow[i]) {					\
-	 pRow[i] = (PIXEL_TYPE) DITHER_HPCR(x, y, r, g, b);	\
-         zRow[i] = z;						\
-      }								\
-      span.z += span.zStep;					\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
-
-/*
- * XImage, flat, depth-buffered, 8-bit PF_LOOKUP triangle.
- */
-#define NAME flat_LOOKUP8_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE					\
-   GET_XRB(xrb);					\
-   LOOKUP_SETUP;					\
-   GLubyte r = v2->color[0];				\
-   GLubyte g = v2->color[1];				\
-   GLubyte b = v2->color[2];				\
-   GLubyte p = LOOKUP(r,g,b);
-#define RENDER_SPAN( span )				\
-   GLuint i;						\
-   for (i = 0; i < span.end; i++) {			\
-      const DEPTH_TYPE z = FixedToDepth(span.z);	\
-      if (z < zRow[i]) {				\
-	 pRow[i] = p;					\
-         zRow[i] = z;					\
-      }							\
-      span.z += span.zStep;				\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
 /*
  * XImage, smooth, NON-depth-buffered, PF_TRUECOLOR triangle.
  */
@@ -775,7 +541,7 @@
    XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
    GET_XRB(xrb);						\
    XMesaImage *img = xrb->ximage;
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    GLint x = span.x, y = YFLIP(xrb, span.y);	\
    for (i = 0; i < span.end; i++, x++) {			\
@@ -786,7 +552,7 @@
       span.red += span.redStep;					\
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -796,20 +562,23 @@
  */
 #define NAME smooth_8A8B8G8R_triangle
 #define INTERP_RGB 1
+#define INTERP_ALPHA 1
 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
 #define PIXEL_TYPE GLuint
 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
 #define SETUP_CODE						\
    GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    for (i = 0; i < span.end; i++) {				\
-      pRow[i] = PACK_8B8G8R(FixedToInt(span.red),		\
-         FixedToInt(span.green), FixedToInt(span.blue) );	\
+      pRow[i] = PACK_8A8B8G8R(FixedToInt(span.red),		\
+         FixedToInt(span.green), FixedToInt(span.blue),		\
+         FixedToInt(span.alpha));				\
       span.red += span.redStep;					\
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
-   }
+      span.alpha += span.alphaStep;				\
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -819,20 +588,23 @@
  */
 #define NAME smooth_8A8R8G8B_triangle
 #define INTERP_RGB 1
+#define INTERP_ALPHA 1
 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
 #define PIXEL_TYPE GLuint
 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
 #define SETUP_CODE						\
    GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    for (i = 0; i < span.end; i++) {				\
-      pRow[i] = PACK_8R8G8B(FixedToInt(span.red),		\
-         FixedToInt(span.green), FixedToInt(span.blue) );	\
+      pRow[i] = PACK_8A8R8G8B(FixedToInt(span.red),		\
+         FixedToInt(span.green), FixedToInt(span.blue),		\
+         FixedToInt(span.alpha));				\
       span.red += span.redStep;					\
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
-   }
+      span.alpha += span.alphaStep;				\
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -847,7 +619,7 @@
 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
 #define SETUP_CODE						\
    GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    for (i = 0; i < span.end; i++) {				\
       pRow[i] = PACK_8R8G8B(FixedToInt(span.red),		\
@@ -855,7 +627,7 @@
       span.red += span.redStep;					\
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -870,7 +642,7 @@
 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
 #define SETUP_CODE					\
    GET_XRB(xrb);
-#define RENDER_SPAN( span )				\
+#define RENDER_SPAN( span ) {				\
    GLuint i;						\
    PIXEL_TYPE *pixel = pRow;				\
    for (i = 0; i < span.end; i++, pixel++) {		\
@@ -880,7 +652,7 @@
       span.red += span.redStep;				\
       span.green += span.greenStep;			\
       span.blue += span.blueStep;			\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -894,7 +666,7 @@
    XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
    GET_XRB(xrb);						\
    XMesaImage *img = xrb->ximage;
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    GLint x = span.x, y = YFLIP(xrb, span.y);	\
    for (i = 0; i < span.end; i++, x++) {			\
@@ -905,7 +677,7 @@
       span.red += span.redStep;					\
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -920,7 +692,7 @@
 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
 #define SETUP_CODE						\
    GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    for (i = 0; i < span.end; i++) {				\
       pRow[i] = (PIXEL_TYPE) PACK_5R6G5B(FixedToInt(span.red),	\
@@ -928,7 +700,7 @@
       span.red += span.redStep;					\
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -944,7 +716,7 @@
 #define SETUP_CODE						\
    XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
    GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    GLint x = span.x, y = YFLIP(xrb, span.y);	\
    for (i = 0; i < span.end; i++, x++) {			\
@@ -953,105 +725,7 @@
       span.red += span.redStep;					\
       span.green += span.greenStep;				\
       span.blue += span.blueStep;				\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, 8-bit PF_DITHER triangle.
- */
-#define NAME smooth_DITHER8_triangle
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE						\
-   GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   GLint x = span.x, y = YFLIP(xrb, span.y);	\
-   XDITHER_SETUP(y);						\
-   for (i = 0; i < span.end; i++, x++) {			\
-      pRow[i] = (PIXEL_TYPE) XDITHER(x, FixedToInt(span.red),	\
-         FixedToInt(span.green), FixedToInt(span.blue) );	\
-      span.red += span.redStep;					\
-      span.green += span.greenStep;				\
-      span.blue += span.blueStep;				\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, PF_DITHER triangle.
- */
-#define NAME smooth_DITHER_triangle
-#define INTERP_RGB 1
-#define SETUP_CODE						\
-   GET_XRB(xrb);						\
-   XMesaImage *img = xrb->ximage;
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   GLint x = span.x, y = YFLIP(xrb, span.y);	\
-   XDITHER_SETUP(y);						\
-   for (i = 0; i < span.end; i++, x++) {			\
-      unsigned long p = XDITHER(x, FixedToInt(span.red),	\
-         FixedToInt(span.green), FixedToInt(span.blue) );	\
-      XMesaPutPixel(img, x, y, p);				\
-      span.red += span.redStep;					\
-      span.green += span.greenStep;				\
-      span.blue += span.blueStep;				\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, 8-bit PF_LOOKUP triangle.
- */
-#define NAME smooth_LOOKUP8_triangle
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE						\
-   GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   LOOKUP_SETUP;						\
-   for (i = 0; i < span.end; i++) {				\
-      pRow[i] = LOOKUP(FixedToInt(span.red),			\
-         FixedToInt(span.green), FixedToInt(span.blue));	\
-      span.red += span.redStep;					\
-      span.green += span.greenStep;				\
-      span.blue += span.blueStep;				\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, 8-bit PF_HPCR triangle.
- */
-#define NAME smooth_HPCR_triangle
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE						\
-   XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
-   GET_XRB(xrb);
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   GLint x = span.x, y = YFLIP(xrb, span.y);	\
-   for (i = 0; i < span.end; i++, x++) {			\
-      pRow[i] = DITHER_HPCR(x, y, FixedToInt(span.red),		\
-         FixedToInt(span.green), FixedToInt(span.blue));	\
-      span.red += span.redStep;					\
-      span.green += span.greenStep;				\
-      span.blue += span.blueStep;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -1066,12 +740,12 @@
    XMesaImage *img = xrb->ximage;				\
    unsigned long pixel;						\
    PACK_TRUECOLOR(pixel, v2->color[0], v2->color[1], v2->color[2]);
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    GLint x = span.x, y = YFLIP(xrb, span.y);	\
    for (i = 0; i < span.end; i++, x++) {			\
       XMesaPutPixel(img, x, y, pixel);				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -1087,11 +761,11 @@
    GET_XRB(xrb);					\
    unsigned long p = PACK_8B8G8R( v2->color[0],		\
 		 v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span )				\
+#define RENDER_SPAN( span ) {				\
    GLuint i;						\
    for (i = 0; i < span.end; i++) {			\
       pRow[i] = (PIXEL_TYPE) p;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -1107,11 +781,11 @@
    GET_XRB(xrb);					\
    unsigned long p = PACK_8R8G8B( v2->color[0],		\
 		 v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span )				\
+#define RENDER_SPAN( span ) {				\
    GLuint i;						\
    for (i = 0; i < span.end; i++) {			\
       pRow[i] = (PIXEL_TYPE) p;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -1127,11 +801,11 @@
    GET_XRB(xrb);					\
    unsigned long p = PACK_8R8G8B( v2->color[0],		\
 		 v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span )				\
+#define RENDER_SPAN( span ) {				\
    GLuint i;						\
    for (i = 0; i < span.end; i++) {			\
       pRow[i] = (PIXEL_TYPE) p;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -1146,14 +820,14 @@
 #define SETUP_CODE					\
    GET_XRB(xrb);					\
    const GLubyte *color = v2->color;
-#define RENDER_SPAN( span )				\
+#define RENDER_SPAN( span ) {				\
    GLuint i;						\
    PIXEL_TYPE *pixel = pRow;				\
    for (i = 0; i < span.end; i++, pixel++) {		\
       pixel->r = color[RCOMP];				\
       pixel->g = color[GCOMP];				\
       pixel->b = color[BCOMP];				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -1166,7 +840,7 @@
    XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
    GET_XRB(xrb);						\
    XMesaImage *img = xrb->ximage;
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    GLint x = span.x, y = YFLIP(xrb, span.y);	\
    for (i = 0; i < span.end; i++, x++) {			\
@@ -1174,7 +848,7 @@
       PACK_TRUEDITHER(p, x, y, v2->color[0],			\
                v2->color[1], v2->color[2] );			\
       XMesaPutPixel(img, x, y, p);				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -1190,11 +864,11 @@
    GET_XRB(xrb);					\
    unsigned long p = PACK_5R6G5B( v2->color[0],		\
 		 v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span )				\
+#define RENDER_SPAN( span ) {				\
    GLuint i;						\
    for (i = 0; i < span.end; i++) {			\
       pRow[i] = (PIXEL_TYPE) p;				\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
@@ -1210,199 +884,91 @@
    XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
    GET_XRB(xrb);						\
    const GLubyte *color = v2->color;
-#define RENDER_SPAN( span )					\
+#define RENDER_SPAN( span ) {					\
    GLuint i;							\
    GLint x = span.x, y = YFLIP(xrb, span.y);	\
    for (i = 0; i < span.end; i++, x++) {			\
       PACK_TRUEDITHER(pRow[i], x, y, color[RCOMP],		\
          color[GCOMP], color[BCOMP]);				\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, 8-bit PF_DITHER triangle.
- */
-#define NAME flat_DITHER8_triangle
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE						\
-   GET_XRB(xrb);						\
-   FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   GLint x = span.x, y = YFLIP(xrb, span.y);	\
-   FLAT_DITHER_ROW_SETUP(YFLIP(xrb, y));		\
-   for (i = 0; i < span.end; i++, x++) {			\
-      pRow[i] = (PIXEL_TYPE) FLAT_DITHER(x);			\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, PF_DITHER triangle.
- */
-#define NAME flat_DITHER_triangle
-#define SETUP_CODE						\
-   GET_XRB(xrb);						\
-   XMesaImage *img = xrb->ximage;				\
-   FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   GLint x = span.x, y = YFLIP(xrb, span.y);	\
-   FLAT_DITHER_ROW_SETUP(y);					\
-   for (i = 0; i < span.end; i++, x++) {			\
-      unsigned long p = FLAT_DITHER(x);				\
-      XMesaPutPixel(img, x, y, p );				\
-   }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, 8-bit PF_HPCR triangle.
- */
-#define NAME flat_HPCR_triangle
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE						\
-   XMesaContext xmesa = XMESA_CONTEXT(ctx);			\
-   GET_XRB(xrb);						\
-   GLubyte r = v2->color[0];					\
-   GLubyte g = v2->color[1];					\
-   GLubyte b = v2->color[2];
-#define RENDER_SPAN( span )					\
-   GLuint i;							\
-   GLint x = span.x, y = YFLIP(xrb, span.y);	\
-   for (i = 0; i < span.end; i++, x++) {			\
-      pRow[i] = (PIXEL_TYPE) DITHER_HPCR(x, y, r, g, b);	\
-   }
+   } }
 #include "swrast/s_tritemp.h"
 
 
 
-/*
- * XImage, flat, NON-depth-buffered, 8-bit PF_LOOKUP triangle.
- */
-#define NAME flat_LOOKUP8_triangle
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE					\
-   GET_XRB(xrb);					\
-   LOOKUP_SETUP;					\
-   GLubyte r = v2->color[0];				\
-   GLubyte g = v2->color[1];				\
-   GLubyte b = v2->color[2];				\
-   GLubyte p = LOOKUP(r,g,b);
-#define RENDER_SPAN( span )         	 		\
-   GLuint i;						\
-   for (i = 0; i < span.end; i++) {			\
-      pRow[i] = (PIXEL_TYPE) p;				\
-   }
-#include "swrast/s_tritemp.h"
-
+#endif /* CHAN_BITS == 8 */
 
 
-#ifdef DEBUG
+#if defined(DEBUG) && CHAN_BITS == 8
 extern void _xmesa_print_triangle_func( swrast_tri_func triFunc );
 void _xmesa_print_triangle_func( swrast_tri_func triFunc )
 {
-   _mesa_printf("XMesa tri func = ");
+   printf("XMesa tri func = ");
    if (triFunc ==smooth_TRUECOLOR_z_triangle)
-      _mesa_printf("smooth_TRUECOLOR_z_triangle\n");
+      printf("smooth_TRUECOLOR_z_triangle\n");
    else if (triFunc ==smooth_8A8B8G8R_z_triangle)
-      _mesa_printf("smooth_8A8B8G8R_z_triangle\n");
+      printf("smooth_8A8B8G8R_z_triangle\n");
    else if (triFunc ==smooth_8A8R8G8B_z_triangle)
-      _mesa_printf("smooth_8A8R8G8B_z_triangle\n");
+      printf("smooth_8A8R8G8B_z_triangle\n");
    else if (triFunc ==smooth_8R8G8B_z_triangle)
-      _mesa_printf("smooth_8R8G8B_z_triangle\n");
+      printf("smooth_8R8G8B_z_triangle\n");
    else if (triFunc ==smooth_8R8G8B24_z_triangle)
-      _mesa_printf("smooth_8R8G8B24_z_triangle\n");
+      printf("smooth_8R8G8B24_z_triangle\n");
    else if (triFunc ==smooth_TRUEDITHER_z_triangle)
-      _mesa_printf("smooth_TRUEDITHER_z_triangle\n");
+      printf("smooth_TRUEDITHER_z_triangle\n");
    else if (triFunc ==smooth_5R6G5B_z_triangle)
-      _mesa_printf("smooth_5R6G5B_z_triangle\n");
+      printf("smooth_5R6G5B_z_triangle\n");
    else if (triFunc ==smooth_DITHER_5R6G5B_z_triangle)
-      _mesa_printf("smooth_DITHER_5R6G5B_z_triangle\n");
-   else if (triFunc ==smooth_HPCR_z_triangle)
-      _mesa_printf("smooth_HPCR_z_triangle\n");
-   else if (triFunc ==smooth_DITHER8_z_triangle)
-      _mesa_printf("smooth_DITHER8_z_triangle\n");
-   else if (triFunc ==smooth_LOOKUP8_z_triangle)
-      _mesa_printf("smooth_LOOKUP8_z_triangle\n");
+      printf("smooth_DITHER_5R6G5B_z_triangle\n");
    else if (triFunc ==flat_TRUECOLOR_z_triangle)
-      _mesa_printf("flat_TRUECOLOR_z_triangle\n");
+      printf("flat_TRUECOLOR_z_triangle\n");
    else if (triFunc ==flat_8A8B8G8R_z_triangle)
-      _mesa_printf("flat_8A8B8G8R_z_triangle\n");
+      printf("flat_8A8B8G8R_z_triangle\n");
    else if (triFunc ==flat_8A8R8G8B_z_triangle)
-      _mesa_printf("flat_8A8R8G8B_z_triangle\n");
+      printf("flat_8A8R8G8B_z_triangle\n");
    else if (triFunc ==flat_8R8G8B_z_triangle)
-      _mesa_printf("flat_8R8G8B_z_triangle\n");
+      printf("flat_8R8G8B_z_triangle\n");
    else if (triFunc ==flat_8R8G8B24_z_triangle)
-      _mesa_printf("flat_8R8G8B24_z_triangle\n");
+      printf("flat_8R8G8B24_z_triangle\n");
    else if (triFunc ==flat_TRUEDITHER_z_triangle)
-      _mesa_printf("flat_TRUEDITHER_z_triangle\n");
+      printf("flat_TRUEDITHER_z_triangle\n");
    else if (triFunc ==flat_5R6G5B_z_triangle)
-      _mesa_printf("flat_5R6G5B_z_triangle\n");
+      printf("flat_5R6G5B_z_triangle\n");
    else if (triFunc ==flat_DITHER_5R6G5B_z_triangle)
-      _mesa_printf("flat_DITHER_5R6G5B_z_triangle\n");
-   else if (triFunc ==flat_HPCR_z_triangle)
-      _mesa_printf("flat_HPCR_z_triangle\n");
-   else if (triFunc ==flat_DITHER8_z_triangle)
-      _mesa_printf("flat_DITHER8_z_triangle\n");
-   else if (triFunc ==flat_LOOKUP8_z_triangle)
-      _mesa_printf("flat_LOOKUP8_z_triangle\n");
+      printf("flat_DITHER_5R6G5B_z_triangle\n");
    else if (triFunc ==smooth_TRUECOLOR_triangle)
-      _mesa_printf("smooth_TRUECOLOR_triangle\n");
+      printf("smooth_TRUECOLOR_triangle\n");
    else if (triFunc ==smooth_8A8B8G8R_triangle)
-      _mesa_printf("smooth_8A8B8G8R_triangle\n");
+      printf("smooth_8A8B8G8R_triangle\n");
    else if (triFunc ==smooth_8A8R8G8B_triangle)
-      _mesa_printf("smooth_8A8R8G8B_triangle\n");
+      printf("smooth_8A8R8G8B_triangle\n");
    else if (triFunc ==smooth_8R8G8B_triangle)
-      _mesa_printf("smooth_8R8G8B_triangle\n");
+      printf("smooth_8R8G8B_triangle\n");
    else if (triFunc ==smooth_8R8G8B24_triangle)
-      _mesa_printf("smooth_8R8G8B24_triangle\n");
+      printf("smooth_8R8G8B24_triangle\n");
    else if (triFunc ==smooth_TRUEDITHER_triangle)
-      _mesa_printf("smooth_TRUEDITHER_triangle\n");
+      printf("smooth_TRUEDITHER_triangle\n");
    else if (triFunc ==smooth_5R6G5B_triangle)
-      _mesa_printf("smooth_5R6G5B_triangle\n");
+      printf("smooth_5R6G5B_triangle\n");
    else if (triFunc ==smooth_DITHER_5R6G5B_triangle)
-      _mesa_printf("smooth_DITHER_5R6G5B_triangle\n");
-   else if (triFunc ==smooth_HPCR_triangle)
-      _mesa_printf("smooth_HPCR_triangle\n");
-   else if (triFunc ==smooth_DITHER8_triangle)
-      _mesa_printf("smooth_DITHER8_triangle\n");
-   else if (triFunc ==smooth_LOOKUP8_triangle)
-      _mesa_printf("smooth_LOOKUP8_triangle\n");
+      printf("smooth_DITHER_5R6G5B_triangle\n");
    else if (triFunc ==flat_TRUECOLOR_triangle)
-      _mesa_printf("flat_TRUECOLOR_triangle\n");
+      printf("flat_TRUECOLOR_triangle\n");
    else if (triFunc ==flat_TRUEDITHER_triangle)
-      _mesa_printf("flat_TRUEDITHER_triangle\n");
+      printf("flat_TRUEDITHER_triangle\n");
    else if (triFunc ==flat_8A8B8G8R_triangle)
-      _mesa_printf("flat_8A8B8G8R_triangle\n");
+      printf("flat_8A8B8G8R_triangle\n");
    else if (triFunc ==flat_8A8R8G8B_triangle)
-      _mesa_printf("flat_8A8R8G8B_triangle\n");
+      printf("flat_8A8R8G8B_triangle\n");
    else if (triFunc ==flat_8R8G8B_triangle)
-      _mesa_printf("flat_8R8G8B_triangle\n");
+      printf("flat_8R8G8B_triangle\n");
    else if (triFunc ==flat_8R8G8B24_triangle)
-      _mesa_printf("flat_8R8G8B24_triangle\n");
+      printf("flat_8R8G8B24_triangle\n");
    else if (triFunc ==flat_5R6G5B_triangle)
-      _mesa_printf("flat_5R6G5B_triangle\n");
+      printf("flat_5R6G5B_triangle\n");
    else if (triFunc ==flat_DITHER_5R6G5B_triangle)
-      _mesa_printf("flat_DITHER_5R6G5B_triangle\n");
-   else if (triFunc ==flat_HPCR_triangle)
-      _mesa_printf("flat_HPCR_triangle\n");
-   else if (triFunc ==flat_DITHER8_triangle)
-      _mesa_printf("flat_DITHER8_triangle\n");
-   else if (triFunc ==flat_LOOKUP8_triangle)
-      _mesa_printf("flat_LOOKUP8_triangle\n");
+      printf("flat_DITHER_5R6G5B_triangle\n");
    else
-      _mesa_printf("???\n");
+      printf("???\n");
 }
 #endif
 
@@ -1430,30 +996,34 @@ do {                                   \
  * swrast fallback.
  */
 static swrast_tri_func
-get_triangle_func(GLcontext *ctx)
+get_triangle_func(struct gl_context *ctx)
 {
+#if CHAN_BITS == 8
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
    XMesaContext xmesa = XMESA_CONTEXT(ctx);
-   int depth = GET_VISUAL_DEPTH(xmesa->xm_visual);
-   struct xmesa_renderbuffer *xrb;
+   const struct xmesa_renderbuffer *xrb;
 
 #ifdef DEBUG
    triFuncName = NULL;
 #endif
 
-   if ((ctx->DrawBuffer->_ColorDrawBufferMask[0]
-        & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)) == 0)
+   /* trivial fallback tests */
+   if ((ctx->DrawBuffer->_ColorDrawBufferIndexes[0] != BUFFER_BIT_FRONT_LEFT) &&
+       (ctx->DrawBuffer->_ColorDrawBufferIndexes[0] != BUFFER_BIT_BACK_LEFT))
+      return (swrast_tri_func) NULL;
+   if (ctx->RenderMode != GL_RENDER)
+      return (swrast_tri_func) NULL;
+   if (ctx->Polygon.SmoothFlag)
+      return (swrast_tri_func) NULL;
+   if (ctx->Texture._EnabledUnits)
+      return (swrast_tri_func) NULL;
+   if (swrast->_RasterMask & MULTI_DRAW_BIT)
       return (swrast_tri_func) NULL;
-   if (ctx->RenderMode != GL_RENDER)  return (swrast_tri_func) NULL;
-   if (ctx->Polygon.SmoothFlag)       return (swrast_tri_func) NULL;
-   if (ctx->Texture._EnabledUnits)    return (swrast_tri_func) NULL;
-   if (swrast->_RasterMask & MULTI_DRAW_BIT) return (swrast_tri_func) NULL;
    if (ctx->Polygon.CullFlag && 
        ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
-                                        return (swrast_tri_func) NULL;
+      return (swrast_tri_func) NULL;
 
-   xrb = (struct xmesa_renderbuffer *)
-      ctx->DrawBuffer->_ColorDrawBuffers[0][0]->Wrapped;
+   xrb = xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0]);
 
    if (xrb->ximage) {
       if (   ctx->Light.ShadeModel==GL_SMOOTH
@@ -1479,18 +1049,6 @@ get_triangle_func(GLcontext *ctx)
                USE(smooth_5R6G5B_z_triangle);
             case PF_Dither_5R6G5B:
                USE(smooth_DITHER_5R6G5B_z_triangle);
-            case PF_HPCR:
-	       USE(smooth_HPCR_z_triangle);
-            case PF_Dither:
-               if (depth == 8)
-                  USE(smooth_DITHER8_z_triangle);
-               else
-                  USE(smooth_DITHER_z_triangle);
-            case PF_Lookup:
-               if (depth == 8)
-                  USE(smooth_LOOKUP8_z_triangle);
-               else
-                  return (swrast_tri_func) NULL;
             default:
                return (swrast_tri_func) NULL;
          }
@@ -1518,18 +1076,6 @@ get_triangle_func(GLcontext *ctx)
                USE(flat_5R6G5B_z_triangle);
             case PF_Dither_5R6G5B:
                USE(flat_DITHER_5R6G5B_z_triangle);
-            case PF_HPCR:
-	       USE(flat_HPCR_z_triangle);
-            case PF_Dither:
-               if (depth == 8)
-                  USE(flat_DITHER8_z_triangle);
-               else
-                  USE(flat_DITHER_z_triangle);
-            case PF_Lookup:
-               if (depth == 8)
-                  USE(flat_LOOKUP8_z_triangle);
-               else
-                  return (swrast_tri_func) NULL;
             default:
                return (swrast_tri_func) NULL;
          }
@@ -1554,18 +1100,6 @@ get_triangle_func(GLcontext *ctx)
                USE(smooth_5R6G5B_triangle);
             case PF_Dither_5R6G5B:
                USE(smooth_DITHER_5R6G5B_triangle);
-            case PF_HPCR:
-	       USE(smooth_HPCR_triangle);
-            case PF_Dither:
-               if (depth == 8)
-                  USE(smooth_DITHER8_triangle);
-               else
-                  USE(smooth_DITHER_triangle);
-            case PF_Lookup:
-               if (depth == 8)
-                  USE(smooth_LOOKUP8_triangle);
-               else
-                  return (swrast_tri_func) NULL;
             default:
                return (swrast_tri_func) NULL;
          }
@@ -1591,29 +1125,14 @@ get_triangle_func(GLcontext *ctx)
                USE(flat_5R6G5B_triangle);
             case PF_Dither_5R6G5B:
                USE(flat_DITHER_5R6G5B_triangle);
-            case PF_HPCR:
-	       USE(flat_HPCR_triangle);
-            case PF_Dither:
-               if (depth == 8)
-                  USE(flat_DITHER8_triangle);
-               else
-                  USE(flat_DITHER_triangle);
-            case PF_Lookup:
-               if (depth == 8)
-                  USE(flat_LOOKUP8_triangle);
-               else
-                  return (swrast_tri_func) NULL;
             default:
                return (swrast_tri_func) NULL;
          }
       }
-
-      return (swrast_tri_func) NULL;
-   }
-   else {
-      /* draw to pixmap */
-      return (swrast_tri_func) NULL;
    }
+#endif /* CHAN_BITS == 8 */
+
+   return (swrast_tri_func) NULL;
 }
 
 
@@ -1621,7 +1140,7 @@ get_triangle_func(GLcontext *ctx)
  * of our internal tri functions, otherwise fall back to the
  * standard swrast functions.
  */
-void xmesa_choose_triangle( GLcontext *ctx )
+void xmesa_choose_triangle( struct gl_context *ctx )
 {
    SWcontext *swrast = SWRAST_CONTEXT(ctx);