1 files changed, 58 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvfx/nvfx_fragtex.c b/src/gallium/drivers/nvfx/nvfx_fragtex.c
new file mode 100644
index 0000000000..0b4a434fec
--- /dev/null
+++ b/src/gallium/drivers/nvfx/nvfx_fragtex.c
@@ -0,0 +1,58 @@
+#include "nvfx_context.h"
+#include "nvfx_resource.h"
+
+void
+nvfx_fragtex_validate(struct nvfx_context *nvfx)
+{
+	struct nouveau_channel* chan = nvfx->screen->base.channel;
+	unsigned samplers, unit;
+
+	samplers = nvfx->dirty_samplers;
+	if(!samplers)
+		return;
+
+	while (samplers) {
+		unit = ffs(samplers) - 1;
+		samplers &= ~(1 << unit);
+
+		if(nvfx->fragment_sampler_views[unit] && nvfx->tex_sampler[unit]) {
+			if(!nvfx->is_nv4x)
+				nv30_fragtex_set(nvfx, unit);
+			else
+				nv40_fragtex_set(nvfx, unit);
+		} else {
+			WAIT_RING(chan, 2);
+			/* this is OK for nv40 too */
+			OUT_RING(chan, RING_3D(NV34TCL_TX_ENABLE(unit), 1));
+			OUT_RING(chan, 0);
+			nvfx->hw_samplers &= ~(1 << unit);
+		}
+	}
+	nvfx->dirty_samplers = 0;
+}
+
+void
+nvfx_fragtex_relocate(struct nvfx_context *nvfx)
+{
+	struct nouveau_channel* chan = nvfx->screen->base.channel;
+	unsigned samplers, unit;
+	unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
+
+	samplers = nvfx->hw_samplers;
+	while (samplers) {
+		struct nvfx_miptree* mt;
+		struct nouveau_bo *bo;
+
+		unit = ffs(samplers) - 1;
+		samplers &= ~(1 << unit);
+
+		mt = (struct nvfx_miptree*)nvfx->fragment_sampler_views[unit]->texture;
+		bo = mt->base.bo;
+
+		MARK_RING(chan, 3, 3);
+		OUT_RELOC(chan, bo, RING_3D(NV34TCL_TX_OFFSET(unit), 2), tex_flags | NOUVEAU_BO_DUMMY, 0, 0);
+		OUT_RELOC(chan, bo, 0, tex_flags | NOUVEAU_BO_LOW | NOUVEAU_BO_DUMMY, 0, 0);
+		OUT_RELOC(chan, bo, nvfx->hw_txf[unit], tex_flags | NOUVEAU_BO_OR | NOUVEAU_BO_DUMMY,
+				NV34TCL_TX_FORMAT_DMA0, NV34TCL_TX_FORMAT_DMA1);
+	}
+}