nv50: import current "state of the art" nv50 code

1 files changed, 84 insertions, 1 deletions

diff --git a/src/gallium/drivers/nv50/nv50_vbo.c b/src/gallium/drivers/nv50/nv50_vbo.c
index b01ce1d42c5..f086c762582 100644
--- a/src/gallium/drivers/nv50/nv50_vbo.c
+++ b/src/gallium/drivers/nv50/nv50_vbo.c
@@ -5,6 +5,29 @@
 #include "nv50_context.h"
 #include "nv50_state.h"
 
+static INLINE unsigned
+nv50_prim(unsigned mode)
+{
+	switch (mode) {
+	case PIPE_PRIM_POINTS: return NV50TCL_VERTEX_BEGIN_POINTS;
+	case PIPE_PRIM_LINES: return NV50TCL_VERTEX_BEGIN_LINES;
+	case PIPE_PRIM_LINE_LOOP: return NV50TCL_VERTEX_BEGIN_LINE_LOOP;
+	case PIPE_PRIM_LINE_STRIP: return NV50TCL_VERTEX_BEGIN_LINE_STRIP;
+	case PIPE_PRIM_TRIANGLES: return NV50TCL_VERTEX_BEGIN_TRIANGLES;
+	case PIPE_PRIM_TRIANGLE_STRIP:
+		return NV50TCL_VERTEX_BEGIN_TRIANGLE_STRIP;
+	case PIPE_PRIM_TRIANGLE_FAN: return NV50TCL_VERTEX_BEGIN_TRIANGLE_FAN;
+	case PIPE_PRIM_QUADS: return NV50TCL_VERTEX_BEGIN_QUADS;
+	case PIPE_PRIM_QUAD_STRIP: return NV50TCL_VERTEX_BEGIN_QUAD_STRIP;
+	case PIPE_PRIM_POLYGON: return NV50TCL_VERTEX_BEGIN_POLYGON;
+	default:
+		break;
+	}
+
+	NOUVEAU_ERR("invalid primitive type %d\n", mode);
+	return NV50TCL_VERTEX_BEGIN_POINTS;
+}
+
 boolean
 nv50_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start,
 		 unsigned count)
@@ -12,8 +35,22 @@ nv50_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start,
 	struct nv50_context *nv50 = nv50_context(pipe);
 
 	nv50_state_validate(nv50);
-
 	NOUVEAU_ERR("unimplemented\n");
+
+	BEGIN_RING(tesla, 0x142c, 1);
+	OUT_RING  (0);
+	BEGIN_RING(tesla, 0x142c, 1);
+	OUT_RING  (0);
+
+	BEGIN_RING(tesla, NV50TCL_VERTEX_BEGIN, 1);
+	OUT_RING  (nv50_prim(mode));
+	BEGIN_RING(tesla, NV50TCL_VERTEX_BUFFER_FIRST, 2);
+	OUT_RING  (start);
+	OUT_RING  (count);
+	BEGIN_RING(tesla, NV50TCL_VERTEX_END, 1);
+	OUT_RING  (0);
+
+	pipe->flush(pipe, 0, NULL);
 	return TRUE;
 }
 
@@ -30,3 +67,49 @@ nv50_draw_elements(struct pipe_context *pipe,
 	return TRUE;
 }
 
+void
+nv50_vbo_validate(struct nv50_context *nv50)
+{
+	struct nouveau_grobj *tesla = nv50->screen->tesla;
+	struct nouveau_stateobj *vtxbuf, *vtxfmt;
+	int i, vpi = 0;
+
+	vtxbuf = so_new(nv50->vtxelt_nr * 4, nv50->vtxelt_nr * 2);
+	vtxfmt = so_new(nv50->vtxelt_nr + 1, 0);
+	so_method(vtxfmt, tesla, 0x1ac0, nv50->vtxelt_nr);
+
+	for (i = 0; i < nv50->vtxelt_nr; i++) {
+		struct pipe_vertex_element *ve = &nv50->vtxelt[i];
+		struct pipe_vertex_buffer *vb =
+			&nv50->vtxbuf[ve->vertex_buffer_index];
+
+		switch (ve->src_format) {
+		case PIPE_FORMAT_R32G32B32_FLOAT:
+			so_data(vtxfmt, 0x7e100000 | i);
+			break;
+		default:
+		{
+			char fmt[128];
+			pf_sprint_name(fmt, ve->src_format);
+			NOUVEAU_ERR("invalid vbo format %s\n", fmt);
+			assert(0);
+			return;
+		}
+		}
+
+		so_method(vtxbuf, tesla, 0x900 + (i * 16), 3);
+		so_data  (vtxbuf, 0x20000000 | vb->pitch);
+		so_reloc (vtxbuf, vb->buffer, vb->buffer_offset +
+			  ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
+			  NOUVEAU_BO_HIGH, 0, 0);
+		so_reloc (vtxbuf, vb->buffer, vb->buffer_offset +
+			  ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
+			  NOUVEAU_BO_LOW, 0, 0);
+	}
+
+	so_emit(nv50->screen->nvws, vtxfmt);
+	so_ref (NULL, &vtxfmt);
+	so_emit(nv50->screen->nvws, vtxbuf);
+	so_ref (NULL, &vtxbuf);
+}
+