From 10f30eb43835c57c00783390a02d72daf4f78e26 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Mon, 17 Dec 2001 04:54:35 +0000
Subject: first checkpoint commit of Klaus's new span code (struct sw_span)

---
 src/mesa/swrast/s_copypix.c | 43 +++++++++++++++++++++++++++++++------------
 1 file changed, 31 insertions(+), 12 deletions(-)

(limited to 'src/mesa/swrast/s_copypix.c')

diff --git a/src/mesa/swrast/s_copypix.c b/src/mesa/swrast/s_copypix.c
index f4d08f8..c28a6f7 100644
--- a/src/mesa/swrast/s_copypix.c
+++ b/src/mesa/swrast/s_copypix.c
@@ -1,4 +1,4 @@
-/* $Id: s_copypix.c,v 1.25 2001/12/14 02:50:57 brianp Exp $ */
+/* $Id: s_copypix.c,v 1.26 2001/12/17 04:54:35 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -268,6 +268,7 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
 
       if (ctx->Texture._ReallyEnabled && ctx->Pixel.PixelTextureEnabled) {
          GLfloat s[MAX_WIDTH], t[MAX_WIDTH], r[MAX_WIDTH], q[MAX_WIDTH];
+	 GLfloat texcoord[MAX_WIDTH][3];
          GLchan primary_rgba[MAX_WIDTH][4];
          GLuint unit;
          /* XXX not sure how multitexture is supposed to work here */
@@ -275,11 +276,20 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
          MEMCPY(primary_rgba, rgba, 4 * width * sizeof(GLchan));
 
          for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
+	    GLint i;
             _mesa_pixeltexgen(ctx, width, (const GLchan (*)[4]) rgba,
                               s, t, r, q);
-            _swrast_texture_fragments(ctx, unit, width, s, t, r, NULL,
-                                      (CONST GLchan (*)[4]) primary_rgba,
-                                      rgba);
+	    /* this is an ugly work-around. s,t,r has to be copied to
+               texcoords, because the functions need different
+               input. */
+	    for (i=0; i<width; i++) {
+	      texcoord[i][0] = s[i],
+		texcoord[i][1] = t[i],
+		texcoord[i][2] = r[i];
+	    }
+            _old_swrast_texture_fragments( ctx, unit, width, texcoord, NULL,
+				       (CONST GLchan (*)[4]) primary_rgba,
+				       rgba);
          }
       }
 
@@ -295,7 +305,7 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
 				    (const GLchan (*)[4])rgba, desty);
       }
       else {
-         _mesa_write_rgba_span( ctx, width, destx, dy, zspan, fogSpan, rgba,
+         _old_write_rgba_span( ctx, width, destx, dy, zspan, fogSpan, rgba,
                                 NULL, GL_BITMAP );
       }
    }
@@ -530,6 +540,7 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
       if (ctx->Texture._ReallyEnabled && ctx->Pixel.PixelTextureEnabled) {
          GLuint unit;
          GLchan primary_rgba[MAX_WIDTH][4];
+	 GLfloat texcoord[MAX_WIDTH][3];
          DEFARRAY(GLfloat, s, MAX_WIDTH);  /* mac 32k limitation */
          DEFARRAY(GLfloat, t, MAX_WIDTH);  /* mac 32k limitation */
          DEFARRAY(GLfloat, r, MAX_WIDTH);  /* mac 32k limitation */
@@ -545,9 +556,17 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
          for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
             _mesa_pixeltexgen(ctx, width, (const GLchan (*)[4]) rgba,
                               s, t, r, q);
-            _swrast_texture_fragments(ctx, unit, width, s, t, r, NULL,
-                                      (CONST GLchan (*)[4]) primary_rgba,
-                                      rgba);
+	    /* this is an ugly work-around. s,t,r has to be copied to
+               texcoords, because the functions need different
+               input. */
+	    for (i=0; i<width; i++) {
+	      texcoord[i][0] = s[i],
+		texcoord[i][1] = t[i],
+		texcoord[i][2] = r[i];
+	    }
+            _old_swrast_texture_fragments( ctx, unit, width, texcoord, NULL,
+				       (CONST GLchan (*)[4]) primary_rgba,
+				       rgba);
          }
 
          UNDEFARRAY(s);  /* mac 32k limitation */
@@ -565,7 +584,7 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
 				    (const GLchan (*)[4])rgba, desty);
       }
       else {
-         _mesa_write_rgba_span( ctx, width, destx, dy, zspan, fogSpan, rgba,
+         _old_write_rgba_span( ctx, width, destx, dy, zspan, fogSpan, rgba,
                                 NULL, GL_BITMAP );
       }
    }
@@ -689,7 +708,7 @@ static void copy_ci_pixels( GLcontext *ctx,
                                        indexes, desty );
       }
       else {
-         _mesa_write_index_span(ctx, width, destx, dy, zspan, fogSpan, indexes,
+         _old_write_index_span(ctx, width, destx, dy, zspan, fogSpan, indexes,
                                 NULL, GL_BITMAP);
       }
    }
@@ -819,7 +838,7 @@ static void copy_depth_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
                                    fogSpan, (const GLchan (*)[4])rgba, desty );
          }
          else {
-            _mesa_write_rgba_span( ctx, width, destx, dy, zspan, fogSpan,
+            _old_write_rgba_span( ctx, width, destx, dy, zspan, fogSpan,
                                    (GLchan (*)[4])rgba, NULL, GL_BITMAP);
          }
       }
@@ -829,7 +848,7 @@ static void copy_depth_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
                                            zspan, fogSpan, indexes, desty );
          }
          else {
-            _mesa_write_index_span( ctx, width, destx, dy,
+            _old_write_index_span( ctx, width, destx, dy,
                                     zspan, fogSpan, indexes, NULL, GL_BITMAP );
          }
       }
-- 
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