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Diffstat (limited to 'src/gallium/drivers/nv30/nv30_state_emit.c')
-rw-r--r--src/gallium/drivers/nv30/nv30_state_emit.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv30/nv30_state_emit.c b/src/gallium/drivers/nv30/nv30_state_emit.c
new file mode 100644
index 0000000000..f77b08ff69
--- /dev/null
+++ b/src/gallium/drivers/nv30/nv30_state_emit.c
@@ -0,0 +1,118 @@
+#include "nv30_context.h"
+#include "nv30_state.h"
+
+static struct nv30_state_entry *render_states[] = {
+ &nv30_state_framebuffer,
+ &nv30_state_rasterizer,
+ &nv30_state_scissor,
+ &nv30_state_stipple,
+ &nv30_state_fragprog,
+ &nv30_state_fragtex,
+ &nv30_state_vertprog,
+ &nv30_state_blend,
+ &nv30_state_blend_colour,
+ &nv30_state_zsa,
+ &nv30_state_viewport,
+ &nv30_state_vbo,
+ NULL
+};
+
+static void
+nv30_state_do_validate(struct nv30_context *nv30,
+ struct nv30_state_entry **states)
+{
+ const struct pipe_framebuffer_state *fb = &nv30->framebuffer;
+ unsigned i;
+
+ for (i = 0; i < fb->nr_cbufs; i++)
+ fb->cbufs[i]->status = PIPE_SURFACE_STATUS_DEFINED;
+ if (fb->zsbuf)
+ fb->zsbuf->status = PIPE_SURFACE_STATUS_DEFINED;
+
+ while (*states) {
+ struct nv30_state_entry *e = *states;
+
+ if (nv30->dirty & e->dirty.pipe) {
+ if (e->validate(nv30)) {
+ nv30->state.dirty |= (1ULL << e->dirty.hw);
+ }
+ }
+
+ states++;
+ }
+ nv30->dirty = 0;
+}
+
+void
+nv30_state_emit(struct nv30_context *nv30)
+{
+ struct nv30_state *state = &nv30->state;
+ struct nv30_screen *screen = nv30->screen;
+ unsigned i, samplers;
+ uint64_t states;
+
+ if (nv30->pctx_id != screen->cur_pctx) {
+ for (i = 0; i < NV30_STATE_MAX; i++) {
+ if (state->hw[i] && screen->state[i] != state->hw[i])
+ state->dirty |= (1ULL << i);
+ }
+
+ screen->cur_pctx = nv30->pctx_id;
+ }
+
+ for (i = 0, states = state->dirty; states; i++) {
+ if (!(states & (1ULL << i)))
+ continue;
+ so_ref (state->hw[i], &nv30->screen->state[i]);
+ if (state->hw[i])
+ so_emit(nv30->nvws, nv30->screen->state[i]);
+ states &= ~(1ULL << i);
+ }
+
+ state->dirty = 0;
+
+ so_emit_reloc_markers(nv30->nvws, state->hw[NV30_STATE_FB]);
+ for (i = 0, samplers = state->fp_samplers; i < 16 && samplers; i++) {
+ if (!(samplers & (1 << i)))
+ continue;
+ so_emit_reloc_markers(nv30->nvws,
+ state->hw[NV30_STATE_FRAGTEX0+i]);
+ samplers &= ~(1ULL << i);
+ }
+ so_emit_reloc_markers(nv30->nvws, state->hw[NV30_STATE_FRAGPROG]);
+ if (state->hw[NV30_STATE_VTXBUF] /*&& nv30->render_mode == HW*/)
+ so_emit_reloc_markers(nv30->nvws, state->hw[NV30_STATE_VTXBUF]);
+}
+
+boolean
+nv30_state_validate(struct nv30_context *nv30)
+{
+#if 0
+ boolean was_sw = nv30->fallback_swtnl ? TRUE : FALSE;
+
+ if (nv30->render_mode != HW) {
+ /* Don't even bother trying to go back to hw if none
+ * of the states that caused swtnl previously have changed.
+ */
+ if ((nv30->fallback_swtnl & nv30->dirty)
+ != nv30->fallback_swtnl)
+ return FALSE;
+
+ /* Attempt to go to hwtnl again */
+ nv30->pipe.flush(&nv30->pipe, 0, NULL);
+ nv30->dirty |= (NV30_NEW_VIEWPORT |
+ NV30_NEW_VERTPROG |
+ NV30_NEW_ARRAYS);
+ nv30->render_mode = HW;
+ }
+#endif
+ nv30_state_do_validate(nv30, render_states);
+#if 0
+ if (nv30->fallback_swtnl || nv30->fallback_swrast)
+ return FALSE;
+
+ if (was_sw)
+ NOUVEAU_ERR("swtnl->hw\n");
+#endif
+ return TRUE;
+}