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/*
* Copyright 2008 Ben Skeggs
*
* 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 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.
*/
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "pipe/p_inlines.h"
#include "nv50_context.h"
static INLINE unsigned
nv50_prim(unsigned mode)
{
switch (mode) {
case PIPE_PRIM_POINTS: return NV50TCL_VERTEX_BEGIN_POINTS;
case PIPE_PRIM_LINES: return NV50TCL_VERTEX_BEGIN_LINES;
case PIPE_PRIM_LINE_LOOP: return NV50TCL_VERTEX_BEGIN_LINE_LOOP;
case PIPE_PRIM_LINE_STRIP: return NV50TCL_VERTEX_BEGIN_LINE_STRIP;
case PIPE_PRIM_TRIANGLES: return NV50TCL_VERTEX_BEGIN_TRIANGLES;
case PIPE_PRIM_TRIANGLE_STRIP:
return NV50TCL_VERTEX_BEGIN_TRIANGLE_STRIP;
case PIPE_PRIM_TRIANGLE_FAN: return NV50TCL_VERTEX_BEGIN_TRIANGLE_FAN;
case PIPE_PRIM_QUADS: return NV50TCL_VERTEX_BEGIN_QUADS;
case PIPE_PRIM_QUAD_STRIP: return NV50TCL_VERTEX_BEGIN_QUAD_STRIP;
case PIPE_PRIM_POLYGON: return NV50TCL_VERTEX_BEGIN_POLYGON;
default:
break;
}
NOUVEAU_ERR("invalid primitive type %d\n", mode);
return NV50TCL_VERTEX_BEGIN_POINTS;
}
boolean
nv50_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start,
unsigned count)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nouveau_channel *chan = nv50->screen->tesla->channel;
struct nouveau_grobj *tesla = nv50->screen->tesla;
nv50_state_validate(nv50);
BEGIN_RING(chan, tesla, 0x142c, 1);
OUT_RING (chan, 0);
BEGIN_RING(chan, tesla, 0x142c, 1);
OUT_RING (chan, 0);
BEGIN_RING(chan, tesla, 0x1440, 1);
OUT_RING (chan, 0);
BEGIN_RING(chan, tesla, 0x1334, 1);
OUT_RING (chan, 0);
BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1);
OUT_RING (chan, nv50_prim(mode));
BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BUFFER_FIRST, 2);
OUT_RING (chan, start);
OUT_RING (chan, count);
BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1);
OUT_RING (chan, 0);
pipe->flush(pipe, 0, NULL);
return TRUE;
}
static INLINE void
nv50_draw_elements_inline_u08(struct nv50_context *nv50, uint8_t *map,
unsigned start, unsigned count)
{
struct nouveau_channel *chan = nv50->screen->tesla->channel;
struct nouveau_grobj *tesla = nv50->screen->tesla;
map += start;
if (count & 1) {
BEGIN_RING(chan, tesla, 0x15e8, 1);
OUT_RING (chan, map[0]);
map++;
count--;
}
while (count) {
unsigned nr = count > 2046 ? 2046 : count;
int i;
BEGIN_RING(chan, tesla, 0x400015f0, nr >> 1);
for (i = 0; i < nr; i += 2)
OUT_RING (chan, (map[1] << 16) | map[0]);
count -= nr;
map += nr;
}
}
static INLINE void
nv50_draw_elements_inline_u16(struct nv50_context *nv50, uint16_t *map,
unsigned start, unsigned count)
{
struct nouveau_channel *chan = nv50->screen->tesla->channel;
struct nouveau_grobj *tesla = nv50->screen->tesla;
map += start;
if (count & 1) {
BEGIN_RING(chan, tesla, 0x15e8, 1);
OUT_RING (chan, map[0]);
map++;
count--;
}
while (count) {
unsigned nr = count > 2046 ? 2046 : count;
int i;
BEGIN_RING(chan, tesla, 0x400015f0, nr >> 1);
for (i = 0; i < nr; i += 2)
OUT_RING (chan, (map[1] << 16) | map[0]);
count -= nr;
map += nr;
}
}
static INLINE void
nv50_draw_elements_inline_u32(struct nv50_context *nv50, uint8_t *map,
unsigned start, unsigned count)
{
struct nouveau_channel *chan = nv50->screen->tesla->channel;
struct nouveau_grobj *tesla = nv50->screen->tesla;
map += start;
while (count) {
unsigned nr = count > 2047 ? 2047 : count;
BEGIN_RING(chan, tesla, 0x400015e8, nr);
OUT_RINGp (chan, map, nr);
count -= nr;
map += nr;
}
}
boolean
nv50_draw_elements(struct pipe_context *pipe,
struct pipe_buffer *indexBuffer, unsigned indexSize,
unsigned mode, unsigned start, unsigned count)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nouveau_channel *chan = nv50->screen->tesla->channel;
struct nouveau_grobj *tesla = nv50->screen->tesla;
struct pipe_screen *pscreen = pipe->screen;
void *map;
map = pipe_buffer_map(pscreen, indexBuffer, PIPE_BUFFER_USAGE_CPU_READ);
nv50_state_validate(nv50);
BEGIN_RING(chan, tesla, 0x142c, 1);
OUT_RING (chan, 0);
BEGIN_RING(chan, tesla, 0x142c, 1);
OUT_RING (chan, 0);
BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1);
OUT_RING (chan, nv50_prim(mode));
switch (indexSize) {
case 1:
nv50_draw_elements_inline_u08(nv50, map, start, count);
break;
case 2:
nv50_draw_elements_inline_u16(nv50, map, start, count);
break;
case 4:
nv50_draw_elements_inline_u32(nv50, map, start, count);
break;
default:
assert(0);
}
BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1);
OUT_RING (chan, 0);
pipe_buffer_unmap(pscreen, indexBuffer);
pipe->flush(pipe, 0, NULL);
return TRUE;
}
void
nv50_vbo_validate(struct nv50_context *nv50)
{
struct nouveau_grobj *tesla = nv50->screen->tesla;
struct nouveau_stateobj *vtxbuf, *vtxfmt;
int i;
vtxbuf = so_new(nv50->vtxelt_nr * 4, nv50->vtxelt_nr * 2);
vtxfmt = so_new(nv50->vtxelt_nr + 1, 0);
so_method(vtxfmt, tesla, 0x1ac0, nv50->vtxelt_nr);
for (i = 0; i < nv50->vtxelt_nr; i++) {
struct pipe_vertex_element *ve = &nv50->vtxelt[i];
struct pipe_vertex_buffer *vb =
&nv50->vtxbuf[ve->vertex_buffer_index];
struct nouveau_bo *bo = nouveau_bo(vb->buffer);
switch (ve->src_format) {
case PIPE_FORMAT_R32G32B32A32_FLOAT:
so_data(vtxfmt, 0x7e080000 | i);
break;
case PIPE_FORMAT_R32G32B32_FLOAT:
so_data(vtxfmt, 0x7e100000 | i);
break;
case PIPE_FORMAT_R32G32_FLOAT:
so_data(vtxfmt, 0x7e200000 | i);
break;
case PIPE_FORMAT_R32_FLOAT:
so_data(vtxfmt, 0x7e900000 | i);
break;
case PIPE_FORMAT_R8G8B8A8_UNORM:
so_data(vtxfmt, 0x24500000 | i);
break;
default:
{
NOUVEAU_ERR("invalid vbo format %s\n",
pf_name(ve->src_format));
assert(0);
return;
}
}
so_method(vtxbuf, tesla, 0x900 + (i * 16), 3);
so_data (vtxbuf, 0x20000000 | vb->stride);
so_reloc (vtxbuf, bo, vb->buffer_offset +
ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART |
NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
so_reloc (vtxbuf, bo, vb->buffer_offset +
ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART |
NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
}
so_ref (vtxfmt, &nv50->state.vtxfmt);
so_ref (vtxbuf, &nv50->state.vtxbuf);
so_ref (NULL, &vtxbuf);
so_ref (NULL, &vtxfmt);
}
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