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#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
#include "translate/translate.h"
#include "nv50_context.h"
#include "nv50_resource.h"
#include "nv50_3d.xml.h"
struct push_context {
struct nouveau_channel *chan;
void *idxbuf;
float edgeflag;
int edgeflag_attr;
uint32_t vertex_words;
uint32_t packet_vertex_limit;
struct translate *translate;
boolean primitive_restart;
uint32_t prim;
uint32_t restart_index;
uint32_t instance_id;
};
static INLINE unsigned
prim_restart_search_i08(uint8_t *elts, unsigned push, uint8_t index)
{
unsigned i;
for (i = 0; i < push; ++i)
if (elts[i] == index)
break;
return i;
}
static INLINE unsigned
prim_restart_search_i16(uint16_t *elts, unsigned push, uint16_t index)
{
unsigned i;
for (i = 0; i < push; ++i)
if (elts[i] == index)
break;
return i;
}
static INLINE unsigned
prim_restart_search_i32(uint32_t *elts, unsigned push, uint32_t index)
{
unsigned i;
for (i = 0; i < push; ++i)
if (elts[i] == index)
break;
return i;
}
static void
emit_vertices_i08(struct push_context *ctx, unsigned start, unsigned count)
{
uint8_t *elts = (uint8_t *)ctx->idxbuf + start;
while (count) {
unsigned push = MIN2(count, ctx->packet_vertex_limit);
unsigned size, nr;
nr = push;
if (ctx->primitive_restart)
nr = prim_restart_search_i08(elts, push, ctx->restart_index);
size = ctx->vertex_words * nr;
BEGIN_RING_NI(ctx->chan, RING_3D(VERTEX_DATA), size);
ctx->translate->run_elts8(ctx->translate, elts, nr, ctx->instance_id,
ctx->chan->cur);
ctx->chan->cur += size;
count -= nr;
elts += nr;
if (nr != push) {
count--;
elts++;
BEGIN_RING(ctx->chan, RING_3D(VERTEX_END_GL), 2);
OUT_RING (ctx->chan, 0);
OUT_RING (ctx->chan, NVA0_3D_VERTEX_BEGIN_GL_INSTANCE_CONT |
(ctx->prim & ~NV50_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT));
}
}
}
static void
emit_vertices_i16(struct push_context *ctx, unsigned start, unsigned count)
{
uint16_t *elts = (uint16_t *)ctx->idxbuf + start;
while (count) {
unsigned push = MIN2(count, ctx->packet_vertex_limit);
unsigned size, nr;
nr = push;
if (ctx->primitive_restart)
nr = prim_restart_search_i16(elts, push, ctx->restart_index);
size = ctx->vertex_words * nr;
BEGIN_RING_NI(ctx->chan, RING_3D(VERTEX_DATA), size);
ctx->translate->run_elts16(ctx->translate, elts, nr, ctx->instance_id,
ctx->chan->cur);
ctx->chan->cur += size;
count -= nr;
elts += nr;
if (nr != push) {
count--;
elts++;
BEGIN_RING(ctx->chan, RING_3D(VERTEX_END_GL), 2);
OUT_RING (ctx->chan, 0);
OUT_RING (ctx->chan, NVA0_3D_VERTEX_BEGIN_GL_INSTANCE_CONT |
(ctx->prim & ~NV50_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT));
}
}
}
static void
emit_vertices_i32(struct push_context *ctx, unsigned start, unsigned count)
{
uint32_t *elts = (uint32_t *)ctx->idxbuf + start;
while (count) {
unsigned push = MIN2(count, ctx->packet_vertex_limit);
unsigned size, nr;
nr = push;
if (ctx->primitive_restart)
nr = prim_restart_search_i32(elts, push, ctx->restart_index);
size = ctx->vertex_words * nr;
BEGIN_RING_NI(ctx->chan, RING_3D(VERTEX_DATA), size);
ctx->translate->run_elts(ctx->translate, elts, nr, ctx->instance_id,
ctx->chan->cur);
ctx->chan->cur += size;
count -= nr;
elts += nr;
if (nr != push) {
count--;
elts++;
BEGIN_RING(ctx->chan, RING_3D(VERTEX_END_GL), 2);
OUT_RING (ctx->chan, 0);
OUT_RING (ctx->chan, NVA0_3D_VERTEX_BEGIN_GL_INSTANCE_CONT |
(ctx->prim & ~NV50_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT));
}
}
}
static void
emit_vertices_seq(struct push_context *ctx, unsigned start, unsigned count)
{
while (count) {
unsigned push = MIN2(count, ctx->packet_vertex_limit);
unsigned size = ctx->vertex_words * push;
BEGIN_RING_NI(ctx->chan, RING_3D(VERTEX_DATA), size);
ctx->translate->run(ctx->translate, start, push, ctx->instance_id,
ctx->chan->cur);
ctx->chan->cur += size;
count -= push;
start += push;
}
}
#define NV50_PRIM_GL_CASE(n) \
case PIPE_PRIM_##n: return NV50_3D_VERTEX_BEGIN_GL_PRIMITIVE_##n
static INLINE unsigned
nv50_prim_gl(unsigned prim)
{
switch (prim) {
NV50_PRIM_GL_CASE(POINTS);
NV50_PRIM_GL_CASE(LINES);
NV50_PRIM_GL_CASE(LINE_LOOP);
NV50_PRIM_GL_CASE(LINE_STRIP);
NV50_PRIM_GL_CASE(TRIANGLES);
NV50_PRIM_GL_CASE(TRIANGLE_STRIP);
NV50_PRIM_GL_CASE(TRIANGLE_FAN);
NV50_PRIM_GL_CASE(QUADS);
NV50_PRIM_GL_CASE(QUAD_STRIP);
NV50_PRIM_GL_CASE(POLYGON);
NV50_PRIM_GL_CASE(LINES_ADJACENCY);
NV50_PRIM_GL_CASE(LINE_STRIP_ADJACENCY);
NV50_PRIM_GL_CASE(TRIANGLES_ADJACENCY);
NV50_PRIM_GL_CASE(TRIANGLE_STRIP_ADJACENCY);
/*
NV50_PRIM_GL_CASE(PATCHES); */
default:
return NV50_3D_VERTEX_BEGIN_GL_PRIMITIVE_POINTS;
break;
}
}
void
nv50_push_vbo(struct nv50_context *nv50, const struct pipe_draw_info *info)
{
struct push_context ctx;
unsigned i, index_size;
unsigned inst = info->instance_count;
boolean apply_bias = info->indexed && info->index_bias;
ctx.chan = nv50->screen->base.channel;
ctx.translate = nv50->vertex->translate;
ctx.packet_vertex_limit = nv50->vertex->packet_vertex_limit;
ctx.vertex_words = nv50->vertex->vertex_size;
for (i = 0; i < nv50->num_vtxbufs; ++i) {
uint8_t *data;
struct pipe_vertex_buffer *vb = &nv50->vtxbuf[i];
struct nv50_resource *res = nv50_resource(vb->buffer);
data = nv50_resource_map_offset(nv50, res,
vb->buffer_offset, NOUVEAU_BO_RD);
if (apply_bias && likely(!(nv50->vertex->instance_bufs & (1 << i))))
data += info->index_bias * vb->stride;
ctx.translate->set_buffer(ctx.translate, i, data, vb->stride, ~0);
}
if (info->indexed) {
ctx.idxbuf = nv50_resource_map_offset(nv50,
nv50_resource(nv50->idxbuf.buffer),
nv50->idxbuf.offset, NOUVEAU_BO_RD);
if (!ctx.idxbuf)
return;
index_size = nv50->idxbuf.index_size;
ctx.primitive_restart = info->primitive_restart;
ctx.restart_index = info->restart_index;
} else {
ctx.idxbuf = NULL;
index_size = 0;
ctx.primitive_restart = FALSE;
ctx.restart_index = 0;
}
ctx.instance_id = info->start_instance;
ctx.prim = nv50_prim_gl(info->mode);
while (inst--) {
BEGIN_RING(ctx.chan, RING_3D(VERTEX_BEGIN_GL), 1);
OUT_RING (ctx.chan, ctx.prim);
switch (index_size) {
case 0:
emit_vertices_seq(&ctx, info->start, info->count);
break;
case 1:
emit_vertices_i08(&ctx, info->start, info->count);
break;
case 2:
emit_vertices_i16(&ctx, info->start, info->count);
break;
case 4:
emit_vertices_i32(&ctx, info->start, info->count);
break;
default:
assert(0);
break;
}
BEGIN_RING(ctx.chan, RING_3D(VERTEX_END_GL), 1);
OUT_RING (ctx.chan, 0);
ctx.instance_id++;
ctx.prim |= NV50_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
}
if (info->indexed)
nv50_resource_unmap(nv50_resource(nv50->idxbuf.buffer));
for (i = 0; i < nv50->num_vtxbufs; ++i)
nv50_resource_unmap(nv50_resource(nv50->vtxbuf[i].buffer));
}
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