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authorBen Skeggs <skeggsb@gmail.com>2008-09-18 13:39:52 +1000
committerBen Skeggs <skeggsb@gmail.com>2008-09-18 13:39:52 +1000
commited0c308f39f7d7a5cb05571e37440469eacbd624 (patch)
tree7c2c4069747f7f44998f58e2bb6b5e33e8f563ae /src
parent562b31195cc8140d3bd0ad7ed8532200e9df520a (diff)
nv50: use 3D engine clears, 2D engine doesn't understand zeta formats
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/nv50/nv50_clear.c57
1 files changed, 56 insertions, 1 deletions
diff --git a/src/gallium/drivers/nv50/nv50_clear.c b/src/gallium/drivers/nv50/nv50_clear.c
index fbc6cd09ce..a31a42d6b5 100644
--- a/src/gallium/drivers/nv50/nv50_clear.c
+++ b/src/gallium/drivers/nv50/nv50_clear.c
@@ -30,6 +30,61 @@ void
nv50_clear(struct pipe_context *pipe, struct pipe_surface *ps,
unsigned clearValue)
{
- pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, clearValue);
+ struct nv50_context *nv50 = nv50_context(pipe);
+ struct pipe_framebuffer_state fb, s_fb = nv50->framebuffer;
+ struct pipe_scissor_state sc, s_sc = nv50->scissor;
+ unsigned dirty = nv50->dirty;
+
+ nv50->dirty = 0;
+
+ if (ps->format == PIPE_FORMAT_Z24S8_UNORM ||
+ ps->format == PIPE_FORMAT_Z16_UNORM) {
+ fb.num_cbufs = 0;
+ fb.zsbuf = ps;
+ } else {
+ fb.num_cbufs = 1;
+ fb.cbufs[0] = ps;
+ fb.zsbuf = NULL;
+ }
+ fb.width = ps->width;
+ fb.height = ps->height;
+ pipe->set_framebuffer_state(pipe, &fb);
+
+ sc.minx = sc.miny = 0;
+ sc.maxx = fb.width;
+ sc.maxy = fb.height;
+ pipe->set_scissor_state(pipe, &sc);
+
+ nv50_state_validate(nv50);
+
+ switch (ps->format) {
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ BEGIN_RING(tesla, 0x0d80, 4);
+ OUT_RINGf (ubyte_to_float((clearValue >> 16) & 0xff));
+ OUT_RINGf (ubyte_to_float((clearValue >> 8) & 0xff));
+ OUT_RINGf (ubyte_to_float((clearValue >> 0) & 0xff));
+ OUT_RINGf (ubyte_to_float((clearValue >> 24) & 0xff));
+ BEGIN_RING(tesla, 0x19d0, 1);
+ OUT_RING (0x3c);
+ break;
+ case PIPE_FORMAT_Z24S8_UNORM:
+ BEGIN_RING(tesla, 0x0d90, 1);
+ OUT_RINGf ((float)(clearValue >> 8) * (1.0 / 16777215.0));
+ BEGIN_RING(tesla, 0x0da0, 1);
+ OUT_RING (clearValue & 0xff);
+ BEGIN_RING(tesla, 0x19d0, 1);
+ OUT_RING (0x03);
+ break;
+ default:
+ pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height,
+ clearValue);
+ break;
+ }
+
+ pipe->set_framebuffer_state(pipe, &s_fb);
+ pipe->set_scissor_state(pipe, &s_sc);
+ nv50->dirty |= dirty;
+
ps->status = PIPE_SURFACE_STATUS_CLEAR;
}
+