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nv50: use 3D engine clears, 2D engine doesn't understand zeta formats

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This commit is contained in:
Ben Skeggs
2008-09-18 13:39:52 +10:00
parent 562b31195c
commit ed0c308f39
1 changed files with 56 additions and 1 deletions
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src/gallium/drivers/nv50/nv50_clear.c
+56 -1
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@@ -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;
}