X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast%2Fs_zoom.c;h=a48eae19259c6b90d435a897b67f6b950cc73756;hb=71e64fc30b4f57bd93daf004bc04af7181391f4d;hp=1ab5911f2f1778d430ef507984a12b56f5d3fed6;hpb=4fe48b4e8568896cdbc822323aeec0a41c72ff2a;p=mesa.git

diff --git a/src/mesa/swrast/s_zoom.c b/src/mesa/swrast/s_zoom.c
index 1ab5911f2f1..a48eae19259 100644
--- a/src/mesa/swrast/s_zoom.c
+++ b/src/mesa/swrast/s_zoom.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.2
+ * Version:  7.1
  *
- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -22,10 +22,10 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include "glheader.h"
-#include "macros.h"
-#include "imports.h"
-#include "colormac.h"
+#include "main/glheader.h"
+#include "main/macros.h"
+#include "main/imports.h"
+#include "main/colormac.h"
 
 #include "s_context.h"
 #include "s_span.h"
@@ -130,8 +130,8 @@ static void
 zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
            const GLvoid *src, GLenum format )
 {
+   SWcontext *swrast = SWRAST_CONTEXT(ctx);
    SWspan zoomed;
-   SWspanarrays zoomed_arrays;  /* this is big! */
    GLint x0, x1, y0, y1;
    GLint zoomedWidth;
 
@@ -140,6 +140,13 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
       return;  /* totally clipped */
    }
 
+   if (!swrast->ZoomedArrays) {
+      /* allocate on demand */
+      swrast->ZoomedArrays = (SWspanarrays *) CALLOC(sizeof(SWspanarrays));
+      if (!swrast->ZoomedArrays)
+         return;
+   }
+
    zoomedWidth = x1 - x0;
    ASSERT(zoomedWidth > 0);
    ASSERT(zoomedWidth <= MAX_WIDTH);
@@ -148,21 +155,18 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
    ASSERT((span->arrayMask & SPAN_XY) == 0);
    ASSERT(span->primitive == GL_BITMAP);
 
-   INIT_SPAN(zoomed, GL_BITMAP, 0, 0, 0);
+   INIT_SPAN(zoomed, GL_BITMAP);
    zoomed.x = x0;
    zoomed.end = zoomedWidth;
-   zoomed.array = &zoomed_arrays;
-   zoomed_arrays.ChanType = span->array->ChanType;
-   /* XXX temporary */
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
-   zoomed_arrays.rgba = zoomed_arrays.rgba8;
-#elif CHAN_TYPE == GL_UNSIGNED_SHORT
-   zoomed_arrays.rgba = zoomed_arrays.rgba16;
-#else
-   zoomed_arrays.rgba = zoomed_arrays.attribs[FRAG_ATTRIB_COL0];
-#endif
-
-   /* copy attribute info (XXX copy all attribs?) */
+   zoomed.array = swrast->ZoomedArrays;
+   zoomed.array->ChanType = span->array->ChanType;
+   if (zoomed.array->ChanType == GL_UNSIGNED_BYTE)
+      zoomed.array->rgba = (GLchan (*)[4]) zoomed.array->rgba8;
+   else if (zoomed.array->ChanType == GL_UNSIGNED_SHORT)
+      zoomed.array->rgba = (GLchan (*)[4]) zoomed.array->rgba16;
+   else
+      zoomed.array->rgba = (GLchan (*)[4]) zoomed.array->attribs[FRAG_ATTRIB_COL0];
+
    COPY_4V(zoomed.attrStart[FRAG_ATTRIB_WPOS], span->attrStart[FRAG_ATTRIB_WPOS]);
    COPY_4V(zoomed.attrStepX[FRAG_ATTRIB_WPOS], span->attrStepX[FRAG_ATTRIB_WPOS]);
    COPY_4V(zoomed.attrStepY[FRAG_ATTRIB_WPOS], span->attrStepY[FRAG_ATTRIB_WPOS]);
@@ -178,6 +182,7 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
       /* we'll generate an array of colorss */
       zoomed.interpMask = span->interpMask & ~SPAN_RGBA;
       zoomed.arrayMask |= SPAN_RGBA;
+      zoomed.arrayAttribs |= FRAG_BIT_COL0;  /* we'll produce these values */
       ASSERT(span->arrayMask & SPAN_RGBA);
    }
    else if (format == GL_COLOR_INDEX) {