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nv40: untested fragprog mods for big-endian chips

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This commit is contained in:
Ben Skeggs 2007-12-30 01:03:24 +11:00
parent 09612416d7
commit 24cfb7d2e2
1 changed files with 21 additions and 5 deletions
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26
src/mesa/pipe/nv40/nv40_fragprog.c
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@ -781,18 +781,34 @@ nv40_fragprog_bind(struct nv40_context *nv40, struct nv40_fragment_program *fp)
}
if (!fp->on_hw) {
const uint32_t le = 1;
uint32_t *map;
if (!fp->buffer)
fp->buffer = ws->buffer_create(ws, 0x100, 0, 0);
ws->buffer_data(ws, fp->buffer, fp->insn_len * 4, NULL, 0);
map = ws->buffer_map(ws, fp->buffer, PIPE_BUFFER_FLAG_READ);
#if 0
for (i = 0; i < fp->insn_len; i++)
for (i = 0; i < fp->insn_len; i++) {
NOUVEAU_ERR("%d 0x%08x\n", i, fp->insn[i]);
}
#endif
nv40->pipe.winsys->buffer_data(nv40->pipe.winsys, fp->buffer,
fp->insn_len * sizeof(uint32_t),
fp->insn,
PIPE_BUFFER_USAGE_PIXEL);
if ((*(const uint8_t *)&le)) {
for (i = 0; i < fp->insn_len; i++) {
map[i] = fp->insn[i];
}
} else {
/* Weird swapping for big-endian chips */
for (i = 0; i < fp->insn_len; i++) {
map[i] = ((fp->insn[i] & 0xffff) << 16) |
((fp->insn[i] >> 16) & 0xffff);
}
}
ws->buffer_unmap(ws, fp->buffer);
fp->on_hw = TRUE;
}