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nv40: use native Z24_S8 format for zeta buffer

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This commit is contained in:
Ben Skeggs 2007-11-20 19:10:58 +11:00
parent 85d626508a
commit f01e305e98
3 changed files with 3 additions and 9 deletions
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6
src/mesa/pipe/nv40/nv40_clear.c
View file

@ -10,12 +10,6 @@ void
nv40_clear(struct pipe_context *pipe, struct pipe_surface *ps,
unsigned clearValue)
{
/*XXX: We're actually Z24_S8... */
if (ps->format == PIPE_FORMAT_S8_Z24) {
clearValue = (((clearValue & 0xff000000) >> 24) |
((clearValue & 0x00ffffff) << 8));
}
pipe->region_fill(pipe, ps->region, 0, 0, 0, ps->width, ps->height,
clearValue);
}

2
src/mesa/pipe/nv40/nv40_context.c
View file

@ -12,7 +12,7 @@ nv40_is_format_supported(struct pipe_context *pipe, uint format)
switch (format) {
case PIPE_FORMAT_U_A8_R8_G8_B8:
case PIPE_FORMAT_U_R5_G6_B5:
case PIPE_FORMAT_S8_Z24:
case PIPE_FORMAT_Z24_S8:
return TRUE;
default:
break;

4
src/mesa/pipe/nv40/nv40_surface.c
View file

@ -79,7 +79,7 @@ nv40_get_tile_rgba(struct pipe_context *pipe,
p += w0 * 4;
}
break;
case PIPE_FORMAT_S8_Z24:
case PIPE_FORMAT_Z24_S8:
{
const float scale = 1.0 / (float) 0xffffff;
for (i = 0; i < h; i++) {
@ -89,7 +89,7 @@ nv40_get_tile_rgba(struct pipe_context *pipe,
pRow[0] =
pRow[1] =
pRow[2] =
pRow[3] = (pixel & 0xffffff) * scale;
pRow[3] = ((pixel & 0xffffff) >> 8) * scale;
pRow += 4;
}
src += ps->region->pitch;