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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 "nvc0_context.h"
#include "nvc0_resource.h"
#include "nvc0_3d.xml.h"
struct push_context {
struct nouveau_channel *chan;
void *idxbuf;
int32_t idxbias;
float edgeflag;
int edgeflat_attr;
uint32_t vertex_size;
uint32_t packet_vertex_limit;
struct translate *translate;
};
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 = ctx->vertex_size * push;
BEGIN_RING_NI(ctx->chan, RING_3D(VERTEX_DATA), size);
ctx->translate->run_elts8(ctx->translate, elts, push, 0, ctx->chan->cur);
ctx->chan->cur += size;
count -= push;
elts += push;
}
}
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 = ctx->vertex_size * push;
BEGIN_RING_NI(ctx->chan, RING_3D(VERTEX_DATA), size);
ctx->translate->run_elts16(ctx->translate, elts, push, 0, ctx->chan->cur);
ctx->chan->cur += size;
count -= push;
elts += push;
}
}
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 = ctx->vertex_size * push;
BEGIN_RING_NI(ctx->chan, RING_3D(VERTEX_DATA), size);
ctx->translate->run_elts(ctx->translate, elts, push, 0, ctx->chan->cur);
ctx->chan->cur += size;
count -= push;
elts += push;
}
}
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_size * push;
BEGIN_RING_NI(ctx->chan, RING_3D(VERTEX_DATA), size);
ctx->translate->run(ctx->translate, start, push, 0, ctx->chan->cur);
ctx->chan->cur += size;
count -= push;
start += push;
}
}
#define NVC0_PRIM_GL_CASE(n) \
case PIPE_PRIM_##n: return NVC0_3D_VERTEX_BEGIN_GL_PRIMITIVE_##n
static INLINE unsigned
nvc0_prim_gl(unsigned prim)
{
switch (prim) {
NVC0_PRIM_GL_CASE(POINTS);
NVC0_PRIM_GL_CASE(LINES);
NVC0_PRIM_GL_CASE(LINE_LOOP);
NVC0_PRIM_GL_CASE(LINE_STRIP);
NVC0_PRIM_GL_CASE(TRIANGLES);
NVC0_PRIM_GL_CASE(TRIANGLE_STRIP);
NVC0_PRIM_GL_CASE(TRIANGLE_FAN);
NVC0_PRIM_GL_CASE(QUADS);
NVC0_PRIM_GL_CASE(QUAD_STRIP);
NVC0_PRIM_GL_CASE(POLYGON);
NVC0_PRIM_GL_CASE(LINES_ADJACENCY);
NVC0_PRIM_GL_CASE(LINE_STRIP_ADJACENCY);
NVC0_PRIM_GL_CASE(TRIANGLES_ADJACENCY);
NVC0_PRIM_GL_CASE(TRIANGLE_STRIP_ADJACENCY);
/*
NVC0_PRIM_GL_CASE(PATCHES); */
default:
return NVC0_3D_VERTEX_BEGIN_GL_PRIMITIVE_POINTS;
break;
}
}
void
nvc0_push_vbo(struct nvc0_context *nvc0, const struct pipe_draw_info *info)
{
struct push_context ctx;
struct pipe_transfer *transfer = NULL;
unsigned i, index_size;
unsigned prim = nvc0_prim_gl(info->mode);
unsigned inst = info->instance_count;
ctx.chan = nvc0->screen->base.channel;
ctx.translate = nvc0->vertex->translate;
ctx.packet_vertex_limit = nvc0->vertex->vtx_per_packet_max;
ctx.vertex_size = nvc0->vertex->vtx_size;
for (i = 0; i < nvc0->num_vtxbufs; ++i) {
uint8_t *data;
struct pipe_vertex_buffer *vb = &nvc0->vtxbuf[i];
struct nvc0_resource *res = nvc0_resource(vb->buffer);
if (nouveau_bo_map(res->bo, NOUVEAU_BO_RD))
return;
data = (uint8_t *)res->bo->map + vb->buffer_offset;
if (info->indexed)
data += info->index_bias * vb->stride;
ctx.translate->set_buffer(ctx.translate, i, data, vb->stride, ~0);
}
if (info->indexed) {
ctx.idxbuf = pipe_buffer_map(&nvc0->pipe, nvc0->idxbuf.buffer,
PIPE_TRANSFER_READ, &transfer);
if (!ctx.idxbuf)
return;
index_size = nvc0->idxbuf.index_size;
} else {
ctx.idxbuf = NULL;
index_size = 0;
}
while (inst--) {
BEGIN_RING(ctx.chan, RING_3D(VERTEX_BEGIN_GL), 1);
OUT_RING (ctx.chan, 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;
}
INLIN_RING(ctx.chan, RING_3D(VERTEX_END_GL), 0);
prim |= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
}
if (info->indexed)
pipe_buffer_unmap(&nvc0->pipe, nvc0->idxbuf.buffer, transfer);
for (i = 0; i < nvc0->num_vtxbufs; ++i) {
struct nvc0_resource *res = nvc0_resource(nvc0->vtxbuf[i].buffer);
if (res->bo)
nouveau_bo_unmap(res->bo);
}
}
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