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gallium/util: handle Z32F_FLOAT_S8X24_USCALED in pipe_tile_raw_to_rgba

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And make pipe_put_tile_rgba_format no-op like the other Z formats.
This commit is contained in:
Marek Olšák
2011-06-21 21:14:07 +02:00
parent e860cb64db
commit d9ab6712cc
1 changed files with 35 additions and 0 deletions
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src/gallium/auxiliary/util/u_tile.c
+35
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@@ -318,6 +318,32 @@ z32f_get_tile_rgba(const float *src,
}
}
/*** PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED ***/
/**
* Return each Z value as four floats in [0,1].
*/
static void
z32f_x24s8_get_tile_rgba(const float *src,
unsigned w, unsigned h,
float *p,
unsigned dst_stride)
{
unsigned i, j;
for (i = 0; i < h; i++) {
float *pRow = p;
for (j = 0; j < w; j++, pRow += 4) {
pRow[0] =
pRow[1] =
pRow[2] =
pRow[3] = *src;
src += 2;
}
p += dst_stride;
}
}
void
pipe_tile_raw_to_rgba(enum pipe_format format,
@@ -352,6 +378,9 @@ pipe_tile_raw_to_rgba(enum pipe_format format,
case PIPE_FORMAT_Z32_FLOAT:
z32f_get_tile_rgba((float *) src, w, h, dst, dst_stride);
break;
case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
z32f_x24s8_get_tile_rgba((float *) src, w, h, dst, dst_stride);
break;
default:
util_format_read_4f(format,
dst, dst_stride * sizeof(float),
@@ -445,6 +474,12 @@ pipe_put_tile_rgba_format(struct pipe_context *pipe,
case PIPE_FORMAT_X8Z24_UNORM:
/*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
break;
case PIPE_FORMAT_Z32_FLOAT:
/*z32f_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
break;
case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
/*z32f_s8x24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
break;
default:
util_format_write_4f(format,
p, src_stride * sizeof(float),