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copy wpos attrib info into zoomed span (fixes fog perspective correction problem)

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Brian
2007-06-20 10:55:31 -06:00
parent 9cde7fb61d
commit c1cb541233
1 changed files with 4 additions and 2 deletions
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src/mesa/swrast/s_zoom.c
+4 -2
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@@ -162,12 +162,14 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
zoomed_arrays.rgba = zoomed_arrays.attribs[FRAG_ATTRIB_COL0];
#endif
/* copy attribute info (XXX copy all attribs?) */
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]);
/* copy fog interp info */
zoomed.attrStart[FRAG_ATTRIB_FOGC][0] = span->attrStart[FRAG_ATTRIB_FOGC][0];
zoomed.attrStepX[FRAG_ATTRIB_FOGC][0] = span->attrStepX[FRAG_ATTRIB_FOGC][0];
zoomed.attrStepY[FRAG_ATTRIB_FOGC][0] = span->attrStepY[FRAG_ATTRIB_FOGC][0];
/* XXX copy texcoord info? */
if (format == GL_RGBA || format == GL_RGB) {
/* copy Z info */