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/*
* Copyright 2012 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors: Ben Skeggs
*
*/
#include "util/u_dynarray.h"
#include "tgsi/tgsi_parse.h"
#include "nouveau/nv_object.xml.h"
#include "nv30-40_3d.xml.h"
#include "nv30_context.h"
#include "nv30_state.h"
static void
nv30_vertprog_destroy(struct nv30_vertprog *vp)
{
util_dynarray_fini(&vp->branch_relocs);
nouveau_heap_free(&vp->exec);
FREE(vp->insns);
vp->insns = NULL;
vp->nr_insns = 0;
util_dynarray_fini(&vp->const_relocs);
nouveau_heap_free(&vp->data);
FREE(vp->consts);
vp->consts = NULL;
vp->nr_consts = 0;
vp->translated = FALSE;
}
void
nv30_vertprog_validate(struct nv30_context *nv30)
{
struct nouveau_pushbuf *push = nv30->base.pushbuf;
struct nouveau_object *eng3d = nv30->screen->eng3d;
struct nv30_vertprog *vp = nv30->vertprog.program;
struct nv30_fragprog *fp = nv30->fragprog.program;
boolean upload_code = FALSE;
boolean upload_data = FALSE;
unsigned i;
if (nv30->dirty & NV30_NEW_FRAGPROG) {
if (memcmp(vp->texcoord, fp->texcoord, sizeof(vp->texcoord))) {
if (vp->translated)
nv30_vertprog_destroy(vp);
memcpy(vp->texcoord, fp->texcoord, sizeof(vp->texcoord));
}
}
if (nv30->rast && nv30->rast->pipe.clip_plane_enable != vp->enabled_ucps) {
vp->enabled_ucps = nv30->rast->pipe.clip_plane_enable;
if (vp->translated)
nv30_vertprog_destroy(vp);
}
if (!vp->translated) {
vp->translated = _nvfx_vertprog_translate(nv30, vp);
if (!vp->translated) {
nv30->draw_flags |= NV30_NEW_VERTPROG;
return;
}
nv30->dirty |= NV30_NEW_VERTPROG;
}
if (!vp->exec) {
struct nouveau_heap *heap = nv30->screen->vp_exec_heap;
struct nv30_shader_reloc *reloc = vp->branch_relocs.data;
unsigned nr_reloc = vp->branch_relocs.size / sizeof(*reloc);
uint32_t *inst, target;
if (nouveau_heap_alloc(heap, vp->nr_insns, &vp->exec, &vp->exec)) {
while (heap->next && heap->size < vp->nr_insns) {
struct nouveau_heap **evict = heap->next->priv;
nouveau_heap_free(evict);
}
if (nouveau_heap_alloc(heap, vp->nr_insns, &vp->exec, &vp->exec)) {
nv30->draw_flags |= NV30_NEW_VERTPROG;
return;
}
}
if (eng3d->oclass < NV40_3D_CLASS) {
while (nr_reloc--) {
inst = vp->insns[reloc->location].data;
target = vp->exec->start + reloc->target;
inst[2] &= ~0x000007fc;
inst[2] |= target << 2;
reloc++;
}
} else {
while (nr_reloc--) {
inst = vp->insns[reloc->location].data;
target = vp->exec->start + reloc->target;
inst[2] &= ~0x0000003f;
inst[2] |= target >> 3;
inst[3] &= ~0xe0000000;
inst[3] |= target << 29;
reloc++;
}
}
upload_code = TRUE;
}
if (vp->nr_consts && !vp->data) {
struct nouveau_heap *heap = nv30->screen->vp_data_heap;
struct nv30_shader_reloc *reloc = vp->const_relocs.data;
unsigned nr_reloc = vp->const_relocs.size / sizeof(*reloc);
uint32_t *inst, target;
if (nouveau_heap_alloc(heap, vp->nr_consts, vp, &vp->data)) {
while (heap->next && heap->size < vp->nr_consts) {
struct nv30_vertprog *evp = heap->next->priv;
nouveau_heap_free(&evp->data);
}
if (nouveau_heap_alloc(heap, vp->nr_consts, vp, &vp->data)) {
nv30->draw_flags |= NV30_NEW_VERTPROG;
return;
}
}
if (eng3d->oclass < NV40_3D_CLASS) {
while (nr_reloc--) {
inst = vp->insns[reloc->location].data;
target = vp->data->start + reloc->target;
inst[1] &= ~0x0007fc000;
inst[1] |= (target & 0x1ff) << 14;
reloc++;
}
} else {
while (nr_reloc--) {
inst = vp->insns[reloc->location].data;
target = vp->data->start + reloc->target;
inst[1] &= ~0x0001ff000;
inst[1] |= (target & 0x1ff) << 12;
reloc++;
}
}
upload_code = TRUE;
upload_data = TRUE;
}
if (vp->nr_consts) {
struct nv04_resource *res = nv04_resource(nv30->vertprog.constbuf);
for (i = 0; i < vp->nr_consts; i++) {
struct nv30_vertprog_data *data = &vp->consts[i];
if (data->index < 0) {
if (!upload_data)
continue;
} else {
float *constbuf = (float *)res->data;
if (!upload_data &&
!memcmp(data->value, &constbuf[data->index * 4], 16))
continue;
memcpy(data->value, &constbuf[data->index * 4], 16);
}
BEGIN_NV04(push, NV30_3D(VP_UPLOAD_CONST_ID), 5);
PUSH_DATA (push, vp->data->start + i);
PUSH_DATAp(push, data->value, 4);
}
}
if (upload_code) {
BEGIN_NV04(push, NV30_3D(VP_UPLOAD_FROM_ID), 1);
PUSH_DATA (push, vp->exec->start);
for (i = 0; i < vp->nr_insns; i++) {
BEGIN_NV04(push, NV30_3D(VP_UPLOAD_INST(0)), 4);
PUSH_DATAp(push, vp->insns[i].data, 4);
}
}
if (nv30->dirty & (NV30_NEW_VERTPROG | NV30_NEW_FRAGPROG)) {
BEGIN_NV04(push, NV30_3D(VP_START_FROM_ID), 1);
PUSH_DATA (push, vp->exec->start);
if (eng3d->oclass < NV40_3D_CLASS) {
BEGIN_NV04(push, NV30_3D(ENGINE), 1);
PUSH_DATA (push, 0x00000013); /* vp instead of ff, somehow */
} else {
BEGIN_NV04(push, NV40_3D(VP_ATTRIB_EN), 2);
PUSH_DATA (push, vp->ir);
PUSH_DATA (push, vp->or | fp->vp_or);
BEGIN_NV04(push, NV30_3D(ENGINE), 1);
PUSH_DATA (push, 0x00000011);
}
}
}
static void *
nv30_vp_state_create(struct pipe_context *pipe,
const struct pipe_shader_state *cso)
{
struct nv30_vertprog *vp = CALLOC_STRUCT(nv30_vertprog);
if (!vp)
return NULL;
vp->pipe.tokens = tgsi_dup_tokens(cso->tokens);
tgsi_scan_shader(vp->pipe.tokens, &vp->info);
return vp;
}
static void
nv30_vp_state_delete(struct pipe_context *pipe, void *hwcso)
{
struct nv30_vertprog *vp = hwcso;
if (vp->translated)
nv30_vertprog_destroy(vp);
FREE((void *)vp->pipe.tokens);
FREE(vp);
}
static void
nv30_vp_state_bind(struct pipe_context *pipe, void *hwcso)
{
struct nv30_context *nv30 = nv30_context(pipe);
nv30->vertprog.program = hwcso;
nv30->dirty |= NV30_NEW_VERTPROG;
}
void
nv30_vertprog_init(struct pipe_context *pipe)
{
pipe->create_vs_state = nv30_vp_state_create;
pipe->bind_vs_state = nv30_vp_state_bind;
pipe->delete_vs_state = nv30_vp_state_delete;
}
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