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#include "nv40_context.h"
#include "nv40_state.h"
/* Emit relocs for every referenced buffer.
*
* This is to ensure the bufmgr has an accurate idea of how
* the buffer is used. These relocs appear in the push buffer as
* NOPs, and will only be turned into state changes if a buffer
* actually moves.
*/
static void
nv40_state_emit_dummy_relocs(struct nv40_context *nv40)
{
unsigned i;
so_emit_reloc_markers(nv40->nvws, nv40->so_framebuffer);
for (i = 0; i < 16; i++) {
if (!(nv40->fp_samplers & (1 << i)))
continue;
so_emit_reloc_markers(nv40->nvws, nv40->so_fragtex[i]);
}
so_emit_reloc_markers(nv40->nvws, nv40->fragprog.active->so);
}
static boolean
nv40_state_scissor_validate(struct nv40_context *nv40)
{
struct pipe_rasterizer_state *rast = &nv40->rasterizer->pipe;
struct pipe_scissor_state *s = &nv40->pipe_state.scissor;
struct nouveau_stateobj *so;
if (nv40->state.scissor.so &&
(rast->scissor == 0 && nv40->state.scissor.enabled == 0))
return FALSE;
so = so_new(3, 0);
so_method(so, nv40->hw->curie, NV40TCL_SCISSOR_HORIZ, 2);
if (rast->scissor) {
so_data (so, ((s->maxx - s->minx) << 16) | s->minx);
so_data (so, ((s->maxy - s->miny) << 16) | s->miny);
} else {
so_data (so, 4096 << 16);
so_data (so, 4096 << 16);
}
so_ref(so, &nv40->state.scissor.so);
so_ref(NULL, &so);
return TRUE;
}
static boolean
nv40_state_stipple_validate(struct nv40_context *nv40)
{
struct pipe_rasterizer_state *rast = &nv40->rasterizer->pipe;
struct nouveau_grobj *curie = nv40->hw->curie;
struct nouveau_stateobj *so;
if (nv40->state.stipple.so && (rast->poly_stipple_enable == 0 &&
nv40->state.stipple.enabled == 0))
return FALSE;
if (rast->poly_stipple_enable) {
unsigned i;
so = so_new(35, 0);
so_method(so, curie, NV40TCL_POLYGON_STIPPLE_ENABLE, 1);
so_data (so, 1);
so_method(so, curie, NV40TCL_POLYGON_STIPPLE_PATTERN(0), 32);
for (i = 0; i < 32; i++)
so_data(so, nv40->pipe_state.stipple[i]);
} else {
so = so_new(2, 0);
so_method(so, curie, NV40TCL_POLYGON_STIPPLE_ENABLE, 1);
so_data (so, 0);
}
so_ref(so, &nv40->state.stipple.so);
so_ref(NULL, &so);
return TRUE;
}
static boolean
nv40_state_clip_validate(struct nv40_context *nv40)
{
if (nv40->pipe_state.clip.nr)
nv40->fallback |= NV40_FALLBACK_TNL;
return FALSE;
}
static struct nv40_state_entry states[] = {
{
.validate = nv40_state_scissor_validate,
.dirty = {
.pipe = NV40_NEW_SCISSOR | NV40_NEW_RAST,
.hw = NV40_NEW_SCISSOR,
}
},
{
.validate = nv40_state_stipple_validate,
.dirty = {
.pipe = NV40_NEW_STIPPLE | NV40_NEW_RAST,
.hw = NV40_NEW_STIPPLE,
}
},
{
.validate = nv40_state_clip_validate,
.dirty = {
.pipe = NV40_NEW_UCP,
.hw = 0,
}
}
};
static void
nv40_state_validate(struct nv40_context *nv40)
{
unsigned i, last_fallback;
last_fallback = nv40->fallback;
nv40->fallback = 0;
for (i = 0; i < sizeof(states) / sizeof(states[0]); i++) {
if (nv40->dirty & states[i].dirty.pipe) {
if (states[i].validate(nv40))
nv40->hw_dirty |= states[i].dirty.hw;
}
}
if (nv40->fallback & NV40_FALLBACK_TNL &&
!(last_fallback & NV40_FALLBACK_TNL)) {
NOUVEAU_ERR("XXX: hwtnl->swtnl\n");
} else
if (last_fallback & NV40_FALLBACK_TNL &&
!(nv40->fallback & NV40_FALLBACK_TNL)) {
NOUVEAU_ERR("XXX: swtnl->hwtnl\n");
}
}
void
nv40_emit_hw_state(struct nv40_context *nv40)
{
nv40_state_validate(nv40);
if (nv40->dirty & NV40_NEW_FB)
so_emit(nv40->nvws, nv40->so_framebuffer);
if (nv40->dirty & NV40_NEW_BLEND)
so_emit(nv40->nvws, nv40->so_blend);
if (nv40->dirty & NV40_NEW_RAST)
so_emit(nv40->nvws, nv40->so_rast);
if (nv40->dirty & NV40_NEW_ZSA)
so_emit(nv40->nvws, nv40->so_zsa);
if (nv40->dirty & NV40_NEW_BCOL)
so_emit(nv40->nvws, nv40->so_bcol);
if (nv40->hw_dirty & NV40_NEW_SCISSOR) {
so_emit(nv40->nvws, nv40->state.scissor.so);
nv40->hw_dirty &= ~NV40_NEW_SCISSOR;
}
if (nv40->dirty & NV40_NEW_VIEWPORT)
so_emit(nv40->nvws, nv40->so_viewport);
if (nv40->hw_dirty & NV40_NEW_STIPPLE) {
so_emit(nv40->nvws, nv40->state.stipple.so);
nv40->hw_dirty &= ~NV40_NEW_STIPPLE;
}
if (nv40->dirty & NV40_NEW_FRAGPROG) {
nv40_fragprog_bind(nv40, nv40->fragprog.current);
/*XXX: clear NV40_NEW_FRAGPROG if no new program uploaded */
}
if (nv40->dirty_samplers || (nv40->dirty & NV40_NEW_FRAGPROG)) {
nv40_fragtex_bind(nv40);
BEGIN_RING(curie, NV40TCL_TEX_CACHE_CTL, 1);
OUT_RING (2);
BEGIN_RING(curie, NV40TCL_TEX_CACHE_CTL, 1);
OUT_RING (1);
nv40->dirty &= ~NV40_NEW_FRAGPROG;
}
if (nv40->dirty & NV40_NEW_VERTPROG) {
nv40_vertprog_bind(nv40, nv40->vertprog.current);
nv40->dirty &= ~NV40_NEW_VERTPROG;
}
nv40->dirty_samplers = 0;
nv40->dirty = 0;
nv40_state_emit_dummy_relocs(nv40);
}
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