static void
nvfx_render_flush(struct draw_stage *stage, unsigned flags)
{
struct nvfx_render_stage *rs = nvfx_render_stage(stage);
struct nvfx_context *nvfx = rs->nvfx;
struct nouveau_channel *chan = nvfx->screen->base.channel;
if (rs->prim != NV30_3D_VERTEX_BEGIN_END_STOP) {
assert(AVAIL_RING(chan) >= 2);
OUT_RING(chan, RING_3D(NV30_3D_VERTEX_BEGIN_END, 1));
OUT_RING(chan, NV30_3D_VERTEX_BEGIN_END_STOP);
rs->prim = NV30_3D_VERTEX_BEGIN_END_STOP;
}
}
static void
nvfx_render_flush(struct draw_stage *stage, unsigned flags)
{
struct nvfx_render_stage *rs = nvfx_render_stage(stage);
struct nvfx_context *nvfx = rs->nvfx;
struct nouveau_channel *chan = nvfx->screen->base.channel;
struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
if (rs->prim != NV30_3D_VERTEX_BEGIN_END_STOP) {
BEGIN_RING(chan, eng3d, NV30_3D_VERTEX_BEGIN_END, 1);
OUT_RING(chan, NV30_3D_VERTEX_BEGIN_END_STOP);
rs->prim = NV30_3D_VERTEX_BEGIN_END_STOP;
}
}
static INLINE void
nvfx_render_prim(struct draw_stage *stage, struct prim_header *prim,
unsigned mode, unsigned count)
{
struct nvfx_render_stage *rs = nvfx_render_stage(stage);
struct nvfx_context *nvfx = rs->nvfx;
struct nvfx_screen *screen = nvfx->screen;
struct nouveau_channel *chan = screen->base.channel;
boolean no_elements = nvfx->vertprog->draw_no_elements;
unsigned num_attribs = nvfx->vertprog->draw_elements;
/* we need to account the flush as well here even if it is done afterthis
* function
*/
if (AVAIL_RING(chan) < ((1 + count * num_attribs * 4) + 6 + 64)) {
nvfx_render_flush(stage, 0);
FIRE_RING(chan);
nvfx_state_emit(nvfx);
assert(AVAIL_RING(chan) >= ((1 + count * num_attribs * 4) + 6 + 64));
}
/* Switch primitive modes if necessary */
if (rs->prim != mode) {
if (rs->prim != NV30_3D_VERTEX_BEGIN_END_STOP) {
OUT_RING(chan, RING_3D(NV30_3D_VERTEX_BEGIN_END, 1));
OUT_RING(chan, NV30_3D_VERTEX_BEGIN_END_STOP);
}
/* XXX: any command a lot of times seems to (mostly) fix corruption that would otherwise happen */
/* this seems to cause issues on nv3x, and also be unneeded there */
if(nvfx->is_nv4x)
{
int i;
for(i = 0; i < 32; ++i)
{
OUT_RING(chan, RING_3D(0x1dac, 1));
OUT_RING(chan, 0);
}
}
OUT_RING(chan, RING_3D(NV30_3D_VERTEX_BEGIN_END, 1));
OUT_RING (chan, mode);
rs->prim = mode;
}
OUT_RING(chan, RING_3D_NI(NV30_3D_VERTEX_DATA, num_attribs * 4 * count));
if(no_elements) {
OUT_RING(chan, 0);
OUT_RING(chan, 0);
OUT_RING(chan, 0);
OUT_RING(chan, 0);
} else {
for (unsigned i = 0; i < count; ++i)
{
struct vertex_header* v = prim->v[i];
/* TODO: disable divide where it's causing the problem, and remove this hack */
OUT_RING(chan, fui(v->data[0][0] / v->data[0][3]));
OUT_RING(chan, fui(v->data[0][1] / v->data[0][3]));
OUT_RING(chan, fui(v->data[0][2] / v->data[0][3]));
OUT_RING(chan, fui(1.0f / v->data[0][3]));
OUT_RINGp(chan, &v->data[1][0], 4 * (num_attribs - 1));
}
}
}
