static int
nv30_fp(int chipset, struct tgsi_token tokens[],
unsigned *size, unsigned **code) {
struct nv30_fragprog fp;
memset(&fp, 0, sizeof(fp));
fp.pipe.tokens = tokens;
tgsi_scan_shader(fp.pipe.tokens, &fp.info);
_nvfx_fragprog_translate(chipset >= 0x40 ? 0x4097 : 0x3097, &fp);
*size = fp.insn_len * 4;
*code = fp.insn;
return !fp.translated;
}
void
nv30_fragprog_validate(struct nv30_context *nv30)
{
struct nouveau_pushbuf *push = nv30->base.pushbuf;
struct nouveau_object *eng3d = nv30->screen->eng3d;
struct nv30_fragprog *fp = nv30->fragprog.program;
bool upload = false;
int i;
if (!fp->translated) {
_nvfx_fragprog_translate(eng3d->oclass, fp);
if (!fp->translated)
return;
upload = true;
}
/* update constants, also needs to be done on every fp switch as we
* have no idea whether the constbuf changed in the meantime
*/
if (nv30->fragprog.constbuf) {
struct pipe_resource *constbuf = nv30->fragprog.constbuf;
uint32_t *cbuf = (uint32_t *)nv04_resource(constbuf)->data;
for (i = 0; i < fp->nr_consts; i++) {
unsigned off = fp->consts[i].offset;
unsigned idx = fp->consts[i].index * 4;
if (!memcmp(&fp->insn[off], &cbuf[idx], 4 * 4))
continue;
memcpy(&fp->insn[off], &cbuf[idx], 4 * 4);
upload = true;
}
}
if (upload)
nv30_fragprog_upload(nv30);
/* FP_ACTIVE_PROGRAM needs to be done again even if only the consts
* were updated. TEX_CACHE_CTL magic is not enough to convince the
* GPU that it should re-read the fragprog from VRAM... sigh.
*/
if (nv30->state.fragprog != fp || upload) {
struct nv04_resource *r = nv04_resource(fp->buffer);
if (!PUSH_SPACE(push, 8))
return;
PUSH_RESET(push, BUFCTX_FRAGPROG);
BEGIN_NV04(push, NV30_3D(FP_ACTIVE_PROGRAM), 1);
PUSH_RESRC(push, NV30_3D(FP_ACTIVE_PROGRAM), BUFCTX_FRAGPROG, r, 0,
NOUVEAU_BO_LOW | NOUVEAU_BO_RD | NOUVEAU_BO_OR,
NV30_3D_FP_ACTIVE_PROGRAM_DMA0,
NV30_3D_FP_ACTIVE_PROGRAM_DMA1);
BEGIN_NV04(push, NV30_3D(FP_CONTROL), 1);
PUSH_DATA (push, fp->fp_control);
if (eng3d->oclass < NV40_3D_CLASS) {
BEGIN_NV04(push, NV30_3D(FP_REG_CONTROL), 1);
PUSH_DATA (push, 0x00010004);
BEGIN_NV04(push, NV30_3D(TEX_UNITS_ENABLE), 1);
PUSH_DATA (push, fp->texcoords);
} else {
BEGIN_NV04(push, SUBC_3D(0x0b40), 1);
PUSH_DATA (push, 0x00000000);
}
nv30->state.fragprog = fp;
}
}
