- for (i = 0; i < FRAG_ATTRIB_MAX; i++) {
- switch (get_output_size(t, i)) {
- case 4: t->size_masks[4-1] |= 1<<i;
- case 3: t->size_masks[3-1] |= 1<<i;
- case 2: t->size_masks[2-1] |= 1<<i;
- case 1: t->size_masks[1-1] |= 1<<i;
+ /* Examine vertex program output sizes to set the size_masks[] info
+ * which describes the fragment program input sizes.
+ */
+ for (vertRes = VERT_RESULT_TEX0; vertRes < VERT_RESULT_MAX; vertRes++) {
+ GLint fragAttrib;
+
+ /* map vertex program output index to fragment program input index */
+ if (vertRes <= VERT_RESULT_TEX7)
+ fragAttrib = FRAG_ATTRIB_TEX0 + vertRes - VERT_RESULT_TEX0;
+ else if (vertRes >= VERT_RESULT_VAR0)
+ fragAttrib = FRAG_ATTRIB_VAR0 + vertRes - VERT_RESULT_VAR0;
+ else
+ continue;
+ assert(fragAttrib >= FRAG_ATTRIB_TEX0);
+ assert(fragAttrib <= FRAG_ATTRIB_MAX);
+
+ switch (get_output_size(t, vertRes)) {
+ case 4: t->size_masks[4-1] |= 1 << fragAttrib;
+ case 3: t->size_masks[3-1] |= 1 << fragAttrib;
+ case 2: t->size_masks[2-1] |= 1 << fragAttrib;
+ case 1: t->size_masks[1-1] |= 1 << fragAttrib;