A couple of quick fixes, the original had some half-finished

    modifications..

diff --git a/src/mesa/drivers/dri/nouveau/nv40_vtxprog.c b/src/mesa/drivers/dri/nouveau/nv40_vtxprog.c
index 4390972..8bdacb8 100644 (file)
--- a/src/mesa/drivers/dri/nouveau/nv40_vtxprog.c
+++ b/src/mesa/drivers/dri/nouveau/nv40_vtxprog.c
@@ -67,7 +67,7 @@ make_srcreg(nouveau_vertex_program *vp,
 {
        switch (type) {
        case HW_INPUT:
-               src->hw  = &vp->inputs[id];
+               src->hw  = NULL;
                src->idx = id;
                break;
        case HW_TEMP:
@@ -134,33 +134,38 @@ src_to_hw(nouveau_vertex_program *vp, nouveau_srcreg *src,
                return hs;
        }
 
-       switch (src->hw->file) {
-       case HW_INPUT:
-               if (*is != -1) {
-                       fprintf(stderr, "multiple inputs detected... not good\n");
-                       return;
-               }
-               *is = src->hw->hw_id;
+       if (!src->hw) { /* this is a forced read from a "real" hardware source */
+               *is = src->idx;
                hs |= (NV40_VP_SRC_REG_TYPE_INPUT << NV40_VP_SRC_REG_TYPE_SHIFT);
-               break;
-       case HW_CONST:
-               if (*cs != -1) {
-                       fprintf(stderr, "multiple consts detected... not good\n");
-                       return;
-               }
-               *cs = src->hw->hw_id;
-               hs |= (NV40_VP_SRC_REG_TYPE_CONST << NV40_VP_SRC_REG_TYPE_SHIFT);
-               break;
-       case HW_TEMP:
-               if (src->hw->hw_id == -1) {
-                       fprintf(stderr, "read from unwritten temp!\n");
-                       return;
-               }
-               hs |= (NV40_VP_SRC_REG_TYPE_TEMP << NV40_VP_SRC_REG_TYPE_SHIFT) |
-                       (src->hw->hw_id << NV40_VP_SRC_TEMP_SRC_SHIFT);
+       } else {
+               switch (src->hw->file) {
+               case HW_INPUT:
+                       if (*is != -1) {
+                               fprintf(stderr, "multiple inputs detected... not good\n");
+                               return;
+                       }
+                       *is = src->hw->hw_id;
+                       hs |= (NV40_VP_SRC_REG_TYPE_INPUT << NV40_VP_SRC_REG_TYPE_SHIFT);
+                       break;
+               case HW_CONST:
+                       if (*cs != -1) {
+                               fprintf(stderr, "multiple consts detected... not good\n");
+                               return;
+                       }
+                       *cs = src->hw->hw_id;
+                       hs |= (NV40_VP_SRC_REG_TYPE_CONST << NV40_VP_SRC_REG_TYPE_SHIFT);
+                       break;
+               case HW_TEMP:
+                       if (src->hw->hw_id == -1) {
+                               fprintf(stderr, "read from unwritten temp!\n");
+                               return;
+                       }
+                       hs |= (NV40_VP_SRC_REG_TYPE_TEMP << NV40_VP_SRC_REG_TYPE_SHIFT) |
+                               (src->hw->hw_id << NV40_VP_SRC_TEMP_SRC_SHIFT);
 
-               if (--src->hw->ref == 0)
-                       free_hw_temp(vp, src->hw->hw_id);
+                       if (--src->hw->ref == 0)
+                               free_hw_temp(vp, src->hw->hw_id);
+               }
        }
 
        hs |= (src->swizzle << NV40_VP_SRC_SWZ_ALL_SHIFT);
@@ -219,13 +224,13 @@ emit_arith(nouveau_vertex_program *vp, int op,
        if (dest->condreg) hop[0] |= NV40_VP_INST_COND_REG_SELECT_1;
        if (dest->condup ) hop[0] |= NV40_VP_INST_COND_UPDATE_ENABLE;
 
-       if (hwdest->file == HW_OUTPUT)
+       if (hwdest == NULL /* write output */)
                hop[0] |= NV40_VP_INST0_UNK0;
        else {
                if (hwdest->hw_id == -1)
                        hwdest->hw_id = alloc_hw_temp(vp);
 
-               hop[0] = (hwdest->hw_id << NV40_VP_INST_DEST_TEMP_SHIFT);
+               hop[0] |= (hwdest->hw_id << NV40_VP_INST_DEST_TEMP_SHIFT);
                if (flags & NOUVEAU_OUT_ABS)
                        hop[0] |= NV40_VP_INST_DEST_TEMP_ABS;
 
@@ -245,8 +250,8 @@ emit_arith(nouveau_vertex_program *vp, int op,
                          (insrc    << NV40_VP_INST_INPUT_SRC_SHIFT);
 
        /* bits 31:0 */
-       if (hwdest->file == HW_OUTPUT) {
-               hop[3] |= (dest->mask | (hwdest->hw_id << NV40_VP_INST_DEST_SHIFT));
+       if (hwdest == NULL) {
+               hop[3] |= (dest->mask | (dest->idx << NV40_VP_INST_DEST_SHIFT));
        } else {
                hop[3] |= (dest->mask | (NV40_VP_INST_DEST_TEMP << NV40_VP_INST_DEST_SHIFT));
        }
@@ -713,6 +718,11 @@ main(int argc, char **argv)
        inst[0].DstReg.File      = PROGRAM_TEMPORARY;
        inst[0].DstReg.Index     = 0;
        inst[0].DstReg.WriteMask = WRITEMASK_XYZW;
+       inst[0].DstReg.CondMask    = COND_TR;
+       inst[0].DstReg.CondSwizzle = MAKE_SWIZZLE4(0, 1, 2, 3);
+       inst[0].DstReg.CondSrc     = 0;
+       inst[0].CondUpdate         = 0;
+       inst[0].CondDst            = 0;
 
        inst[1].Opcode = OPCODE_ADD;
        inst[1].SrcReg[0].File       = PROGRAM_TEMPORARY;
@@ -727,6 +737,11 @@ main(int argc, char **argv)
        inst[1].DstReg.File      = PROGRAM_OUTPUT;
        inst[1].DstReg.Index     = VERT_RESULT_HPOS;
        inst[1].DstReg.WriteMask = WRITEMASK_XYZW;
+       inst[1].DstReg.CondMask    = COND_TR;
+       inst[1].DstReg.CondSwizzle = MAKE_SWIZZLE4(0, 1, 2, 3);
+       inst[1].DstReg.CondSrc     = 0;
+       inst[1].CondUpdate         = 0;
+       inst[1].CondDst            = 0;
 
        inst[2].Opcode = OPCODE_END;