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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_clip_validate(struct nv40_context *nv40)
{
if (nv40->pipe_state.clip.nr)
nv40->fallback |= NV40_FALLBACK_TNL;
return FALSE;
}
static struct nv40_state_entry *render_states[] = {
&nv40_state_clip,
&nv40_state_scissor,
&nv40_state_stipple,
NULL
};
static void
nv40_state_validate(struct nv40_context *nv40)
{
struct nv40_state_entry **states = render_states;
unsigned last_fallback;
last_fallback = nv40->fallback;
nv40->fallback = 0;
while (*states) {
struct nv40_state_entry *e = *states;
if (nv40->dirty & e->dirty.pipe) {
if (e->validate(nv40))
nv40->hw_dirty |= e->dirty.hw;
}
states++;
}
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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