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nv40: less dodgy vp const/insn handling

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This commit is contained in:
Ben Skeggs 2007-12-15 01:50:15 +11:00
parent 868048fcc7
commit 7f89c776e1
3 changed files with 131 additions and 93 deletions
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6
src/mesa/pipe/nv40/nv40_shader.h
View file

@ -90,8 +90,8 @@
# define NV40_VP_INST_OP_ADD 0x03
# define NV40_VP_INST_OP_MAD 0x04
# define NV40_VP_INST_OP_DP3 0x05
# define NV40_VP_INST_OP_DP4 0x07
# define NV40_VP_INST_OP_DPH 0x06
# define NV40_VP_INST_OP_DP4 0x07
# define NV40_VP_INST_OP_DST 0x08
# define NV40_VP_INST_OP_MIN 0x09
# define NV40_VP_INST_OP_MAX 0x0A
@ -109,9 +109,11 @@
# define NV40_VP_INST_OP_SSG 0x16
# define NV40_VP_INST_OP_ARR 0x17
# define NV40_VP_INST_OP_ARA 0x18
# define NV40_VP_INST_OP_TXWHAT 0x19
# define NV40_VP_INST_OP_TXL 0x19
#define NV40_VP_INST_SCA_OPCODE_SHIFT 27
#define NV40_VP_INST_SCA_OPCODE_MASK (0x1F << 27)
# define NV40_VP_INST_OP_NOP 0x00
# define NV40_VP_INST_OP_MOV 0x01
# define NV40_VP_INST_OP_RCP 0x02
# define NV40_VP_INST_OP_RCC 0x03
# define NV40_VP_INST_OP_RSQ 0x04

29
src/mesa/pipe/nv40/nv40_state.h
View file

@ -54,24 +54,31 @@ struct nv40_rasterizer_state {
uint32_t point_sprite;
};
struct nv40_vertex_program_exec {
uint32_t data[4];
boolean has_branch_offset;
int const_index;
};
struct nv40_vertex_program_data {
int index; /* immediates == -1 */
float value[4];
};
struct nv40_vertex_program {
const struct pipe_shader_state *pipe;
boolean translated;
struct nv40_vertex_program_exec *insns;
unsigned nr_insns;
struct nv40_vertex_program_data *consts;
unsigned nr_consts;
struct nouveau_resource *exec;
uint32_t *insn;
uint insn_len;
unsigned exec_start;
struct nouveau_resource *data;
uint data_start;
struct {
int pipe_id;
int hw_id;
float value[4];
} consts[256];
int num_consts;
unsigned data_start;
unsigned data_start_min;
uint32_t ir;
uint32_t or;

189
src/mesa/pipe/nv40/nv40_vertprog.c
View file

@ -9,6 +9,18 @@
#include "nv40_dma.h"
#include "nv40_state.h"
/* TODO (at least...):
* 1. Indexed consts + ARL
* 2. Arb. swz/negation
* 3. NV_vp11, NV_vp2, NV_vp3 features
* - extra arith opcodes
* - branching
* - texture sampling
* - indexed attribs
* - indexed results
* 4. bugs
*/
#define SWZ_X 0
#define SWZ_Y 1
#define SWZ_Z 2
@ -26,28 +38,12 @@
#define neg(s) nv40_sr_neg((s))
#define abs(s) nv40_sr_abs((s))
static uint32_t
passthrough_vp_data[] = {
0x40041c6c, 0x0040010d, 0x8106c083, 0x6041ff84,
0x40041c6c, 0x0040000d, 0x8106c083, 0x6041ff81,
};
static struct nv40_vertex_program
passthrough_vp = {
.pipe = NULL,
.translated = TRUE,
.insn = passthrough_vp_data,
.insn_len = sizeof(passthrough_vp_data) / sizeof(uint32_t),
.ir = 0x00000003,
.or = 0x00000001,
};
struct nv40_vpc {
struct nv40_vertex_program *vp;
uint output_map[PIPE_MAX_SHADER_OUTPUTS];
struct nv40_vertex_program_exec *vpi;
unsigned output_map[PIPE_MAX_SHADER_OUTPUTS];
int high_temp;
int temp_temp_count;
@ -59,7 +55,7 @@ temp(struct nv40_vpc *vpc)
int idx;
idx = vpc->temp_temp_count++;
idx += vpc->high_temp;
idx += vpc->high_temp + 1;
return nv40_sr(NV40SR_TEMP, idx);
}
@ -67,16 +63,25 @@ static INLINE struct nv40_sreg
constant(struct nv40_vpc *vpc, int pipe, float x, float y, float z, float w)
{
struct nv40_vertex_program *vp = vpc->vp;
int idx = vp->num_consts;
struct nv40_vertex_program_data *vpd;
int idx;
vp->consts[idx].pipe_id = pipe;
vp->consts[idx].hw_id = idx;
vp->consts[idx].value[0] = x;
vp->consts[idx].value[1] = y;
vp->consts[idx].value[2] = z;
vp->consts[idx].value[3] = w;
vp->num_consts++;
if (pipe >= 0) {
for (idx = 0; idx < vp->nr_consts; idx++) {
if (vp->consts[idx].index == pipe)
return nv40_sr(NV40SR_CONST, idx);
}
}
idx = vp->nr_consts++;
vp->consts = realloc(vp->consts, sizeof(*vpd) * vp->nr_consts);
vpd = &vp->consts[idx];
vpd->index = pipe;
vpd->value[0] = x;
vpd->value[1] = y;
vpd->value[2] = z;
vpd->value[3] = w;
return nv40_sr(NV40SR_CONST, idx);
}
@ -103,7 +108,9 @@ emit_src(struct nv40_vpc *vpc, uint32_t *hw, int pos, struct nv40_sreg src)
case NV40SR_CONST:
sr |= (NV40_VP_SRC_REG_TYPE_CONST <<
NV40_VP_SRC_REG_TYPE_SHIFT);
hw[1] |= (src.index << NV40_VP_INST_CONST_SRC_SHIFT);
assert(vpc->vpi->const_index == -1 ||
vpc->vpi->const_index == src.index);
vpc->vpi->const_index = src.index;
break;
case NV40SR_NONE:
sr |= (NV40_VP_SRC_REG_TYPE_INPUT <<
@ -202,7 +209,14 @@ nv40_vp_arith(struct nv40_vpc *vpc, int slot, int op,
struct nv40_sreg s2)
{
struct nv40_vertex_program *vp = vpc->vp;
uint32_t *hw = &vp->insn[vp->insn_len];
uint32_t *hw;
vp->insns = realloc(vp->insns, ++vp->nr_insns * sizeof(*vpc->vpi));
vpc->vpi = &vp->insns[vp->nr_insns - 1];
memset(vpc->vpi, 0, sizeof(*vpc->vpi));
vpc->vpi->const_index = -1;
hw = vpc->vpi->data;
hw[0] |= (NV40_VP_INST_COND_TR << NV40_VP_INST_COND_SHIFT);
hw[0] |= ((0 << NV40_VP_INST_COND_SWZ_X_SHIFT) |
@ -224,8 +238,6 @@ nv40_vp_arith(struct nv40_vpc *vpc, int slot, int op,
emit_src(vpc, hw, 0, s0);
emit_src(vpc, hw, 1, s1);
emit_src(vpc, hw, 2, s2);
vp->insn_len += 4;
}
static INLINE struct nv40_sreg
@ -326,8 +338,6 @@ nv40_vertprog_parse_instruction(struct nv40_vpc *vpc,
ai = fsrc->SrcRegister.Index;
src[i] = tgsi_src(vpc, fsrc);
} else {
NOUVEAU_MSG("extra src attr %d\n",
fsrc->SrcRegister.Index);
src[i] = temp(vpc);
arith(vpc, 0, OP_MOV, src[i], MASK_ALL,
tgsi_src(vpc, fsrc), none, none);
@ -518,7 +528,6 @@ nv40_vertprog_translate(struct nv40_context *nv40,
vpc = calloc(1, sizeof(struct nv40_vpc));
if (!vpc)
return;
vp->insn = calloc(1, 128*4*sizeof(uint32_t));
vpc->vp = vp;
vpc->high_temp = -1;
@ -547,7 +556,6 @@ nv40_vertprog_translate(struct nv40_context *nv40,
case TGSI_TOKEN_TYPE_INSTRUCTION:
{
const struct tgsi_full_instruction *finst;
finst = &parse.FullToken.FullInstruction;
if (!nv40_vertprog_parse_instruction(vpc, finst))
goto out_err;
@ -558,14 +566,7 @@ nv40_vertprog_translate(struct nv40_context *nv40,
}
}
vp->insn[vp->insn_len - 1] |= NV40_VP_INST_LAST;
#if 0
{
int i;
for (i = 0; i < vp->insn_len; i++)
NOUVEAU_ERR("inst[%d] = 0x%08x\n", i, vp->insn[i]);
}
#endif
vp->insns[vp->nr_insns - 1].data[3] |= NV40_VP_INST_LAST;
vp->translated = TRUE;
out_err:
tgsi_parse_free(&parse);
@ -576,9 +577,8 @@ void
nv40_vertprog_bind(struct nv40_context *nv40, struct nv40_vertex_program *vp)
{
struct nouveau_winsys *nvws = nv40->nvws;
struct pipe_context *pipe = &nv40->pipe;
struct pipe_winsys *ws = nv40->pipe.winsys;
boolean upload_code = FALSE, upload_data = FALSE;
float *map;
int i;
/* Translate TGSI shader into hw bytecode */
@ -589,11 +589,9 @@ nv40_vertprog_bind(struct nv40_context *nv40, struct nv40_vertex_program *vp)
}
/* Allocate hw vtxprog exec slots */
/*XXX: when we do branching, need to patch targets if program moves.
*/
if (!vp->exec) {
struct nouveau_resource *heap = nv40->vertprog.exec_heap;
uint vplen = vp->insn_len / 4;
uint vplen = vp->nr_insns;
if (nvws->res_alloc(heap, vplen, vp, &vp->exec)) {
while (heap->next && heap->size < vplen) {
@ -611,75 +609,106 @@ nv40_vertprog_bind(struct nv40_context *nv40, struct nv40_vertex_program *vp)
}
/* Allocate hw vtxprog const slots */
if (vp->num_consts && !vp->data) {
if (vp->nr_consts && !vp->data) {
struct nouveau_resource *heap = nv40->vertprog.data_heap;
int count = vp->num_consts;
if (nvws->res_alloc(heap, count, vp, &vp->data)) {
while (heap->next && heap->size < count) {
if (nvws->res_alloc(heap, vp->nr_consts, vp, &vp->data)) {
while (heap->next && heap->size < vp->nr_consts) {
struct nv40_vertex_program *evict;
evict = heap->next->priv;
nvws->res_free(&evict->data);
}
if (nvws->res_alloc(heap, count, vp, &vp->data))
if (nvws->res_alloc(heap, vp->nr_consts, vp, &vp->data))
assert(0);
}
/*XXX: handle this some day */
assert(vp->data->start >= vp->data_start_min);
upload_data = TRUE;
if (vp->data_start != vp->data->start)
upload_code = TRUE;
}
/* If constants moved, patch the vtxprog to fix the offsets */
if (vp->num_consts && vp->data_start != vp->data->start) {
for (i = 0; i < vp->insn_len; i += 4) {
int id;
/* If exec or data segments moved we need to patch the program to
* fixup offsets and register IDs.
*/
if (vp->exec_start != vp->exec->start) {
for (i = 0; i < vp->nr_insns; i++) {
struct nv40_vertex_program_exec *vpi = &vp->insns[i];
id = (vp->insn[i + 1] & NV40_VP_INST_CONST_SRC_MASK) >>
NV40_VP_INST_CONST_SRC_SHIFT;
id -= vp->data_start;
id += vp->data->start;
if (vpi->has_branch_offset) {
assert(0);
}
}
vp->insn[i + 1] &= ~NV40_VP_INST_CONST_SRC_MASK;
vp->insn[i + 1] |= (id << NV40_VP_INST_CONST_SRC_SHIFT);
vp->exec_start = vp->exec->start;
}
if (vp->nr_consts && vp->data_start != vp->data->start) {
for (i = 0; i < vp->nr_insns; i++) {
struct nv40_vertex_program_exec *vpi = &vp->insns[i];
if (vpi->const_index >= 0) {
vpi->data[1] &= ~NV40_VP_INST_CONST_SRC_MASK;
vpi->data[1] |=
(vpi->const_index + vp->data->start) <<
NV40_VP_INST_CONST_SRC_SHIFT;
}
}
vp->data_start = vp->data->start;
upload_code = TRUE;
}
/* Update + Upload constant values */
if (vp->num_consts) {
map = pipe->winsys->buffer_map(pipe->winsys,
nv40->vertprog.constant_buf,
PIPE_BUFFER_FLAG_READ);
for (i = 0; i < vp->num_consts; i++) {
uint pid = vp->consts[i].pipe_id;
if (vp->nr_consts) {
float *map = NULL;
if (pid >= 0) {
if (nv40->vertprog.constant_buf) {
map = ws->buffer_map(ws, nv40->vertprog.constant_buf,
PIPE_BUFFER_FLAG_READ);
}
for (i = 0; i < vp->nr_consts; i++) {
struct nv40_vertex_program_data *vpd = &vp->consts[i];
if (vpd->index >= 0) {
if (!upload_data &&
!memcmp(vp->consts[i].value, &map[pid*4],
!memcmp(vpd->value, &map[vpd->index * 4],
4 * sizeof(float)))
continue;
memcpy(vp->consts[i].value, &map[pid*4],
memcpy(vpd->value, &map[vpd->index * 4],
4 * sizeof(float));
}
BEGIN_RING(curie, NV40TCL_VP_UPLOAD_CONST_ID, 5);
OUT_RING (vp->consts[i].hw_id + vp->data->start);
OUT_RINGp ((uint32_t *)vp->consts[i].value, 4);
OUT_RING (i + vp->data->start);
OUT_RINGp ((uint32_t *)vpd->value, 4);
}
if (map) {
ws->buffer_unmap(ws, nv40->vertprog.constant_buf);
}
pipe->winsys->buffer_unmap(pipe->winsys,
nv40->vertprog.constant_buf);
}
/* Upload vtxprog */
if (upload_code) {
#if 0
for (i = 0; i < vp->nr_insns; i++) {
NOUVEAU_MSG("VP %d: 0x%08x\n", i, vp->insns[i].data[0]);
NOUVEAU_MSG("VP %d: 0x%08x\n", i, vp->insns[i].data[1]);
NOUVEAU_MSG("VP %d: 0x%08x\n", i, vp->insns[i].data[2]);
NOUVEAU_MSG("VP %d: 0x%08x\n", i, vp->insns[i].data[3]);
}
#endif
BEGIN_RING(curie, NV40TCL_VP_UPLOAD_FROM_ID, 1);
OUT_RING (vp->exec->start);
for (i = 0; i < vp->insn_len; i += 4) {
for (i = 0; i < vp->nr_insns; i++) {
BEGIN_RING(curie, NV40TCL_VP_UPLOAD_INST(0), 4);
OUT_RINGp (&vp->insn[i], 4);
OUT_RINGp (vp->insns[i].data, 4);
}
}