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authorBen Skeggs <skeggsb@gmail.com>2008-06-12 14:15:38 +1000
committerBen Skeggs <skeggsb@gmail.com>2008-06-29 15:46:17 +1000
commit027ed25c12f69b39e205d3bbd26b68e9a02bea81 (patch)
tree7a2ee096256c3fd4016f1959b558bc6ec5aaaec9 /src/gallium/drivers/nv50
parent163d9aa1fe33612e7806549e47b257b61ca5045e (diff)
nv50: draw_elements() - inline only for the moment
Diffstat (limited to 'src/gallium/drivers/nv50')
-rw-r--r--src/gallium/drivers/nv50/nv50_vbo.c96
1 files changed, 95 insertions, 1 deletions
diff --git a/src/gallium/drivers/nv50/nv50_vbo.c b/src/gallium/drivers/nv50/nv50_vbo.c
index 74519489f7..586a6c49de 100644
--- a/src/gallium/drivers/nv50/nv50_vbo.c
+++ b/src/gallium/drivers/nv50/nv50_vbo.c
@@ -52,16 +52,110 @@ nv50_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start,
return TRUE;
}
+static INLINE void
+nv50_draw_elements_inline_u08(struct nv50_context *nv50, uint8_t *map,
+ unsigned start, unsigned count)
+{
+ map += start;
+
+ if (count & 1) {
+ BEGIN_RING(tesla, 0x15e8, 1);
+ OUT_RING (map[0]);
+ map++;
+ count--;
+ }
+
+ while (count) {
+ unsigned nr = count > 2046 ? 2046 : count;
+ int i;
+
+ BEGIN_RING(tesla, 0x400015f0, nr >> 1);
+ for (i = 0; i < nr; i += 2)
+ OUT_RING ((map[1] << 16) | map[0]);
+
+ count -= nr;
+ map += nr;
+ }
+}
+
+static INLINE void
+nv50_draw_elements_inline_u16(struct nv50_context *nv50, uint16_t *map,
+ unsigned start, unsigned count)
+{
+ map += start;
+
+ if (count & 1) {
+ BEGIN_RING(tesla, 0x15e8, 1);
+ OUT_RING (map[0]);
+ map++;
+ count--;
+ }
+
+ while (count) {
+ unsigned nr = count > 2046 ? 2046 : count;
+ int i;
+
+ BEGIN_RING(tesla, 0x400015f0, nr >> 1);
+ for (i = 0; i < nr; i += 2)
+ OUT_RING ((map[1] << 16) | map[0]);
+
+ count -= nr;
+ map += nr;
+ }
+}
+
+static INLINE void
+nv50_draw_elements_inline_u32(struct nv50_context *nv50, uint8_t *map,
+ unsigned start, unsigned count)
+{
+ map += start;
+
+ while (count) {
+ unsigned nr = count > 2047 ? 2047 : count;
+
+ BEGIN_RING(tesla, 0x400015e8, nr);
+ OUT_RINGp (map, nr);
+
+ count -= nr;
+ map += nr;
+ }
+}
+
boolean
nv50_draw_elements(struct pipe_context *pipe,
struct pipe_buffer *indexBuffer, unsigned indexSize,
unsigned mode, unsigned start, unsigned count)
{
struct nv50_context *nv50 = nv50_context(pipe);
+ struct pipe_winsys *ws = pipe->winsys;
+ void *map = ws->buffer_map(ws, indexBuffer, PIPE_BUFFER_USAGE_CPU_READ);
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));
+ switch (indexSize) {
+ case 1:
+ nv50_draw_elements_inline_u08(nv50, map, start, count);
+ break;
+ case 2:
+ nv50_draw_elements_inline_u16(nv50, map, start, count);
+ break;
+ case 4:
+ nv50_draw_elements_inline_u32(nv50, map, start, count);
+ break;
+ default:
+ assert(0);
+ }
+ BEGIN_RING(tesla, NV50TCL_VERTEX_END, 1);
+ OUT_RING (0);
+
+ pipe->flush(pipe, 0, NULL);
return TRUE;
}