Mesa (gallium-0.1): util: Support PIPE_FORMAT_Z32_FLOAT in pipe_tile_raw_to_rgba
Jose Fonseca
jrfonseca at kemper.freedesktop.org
Thu Feb 19 12:57:06 UTC 2009
Module: Mesa
Branch: gallium-0.1
Commit: 43b31fc6fcee6deb52a8bd033dada62e9ce67ecb
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=43b31fc6fcee6deb52a8bd033dada62e9ce67ecb
Author: José Fonseca <jfonseca at vmware.com>
Date: Thu Feb 19 12:56:56 2009 +0000
util: Support PIPE_FORMAT_Z32_FLOAT in pipe_tile_raw_to_rgba
---
src/gallium/auxiliary/util/u_tile.c | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/src/gallium/auxiliary/util/u_tile.c b/src/gallium/auxiliary/util/u_tile.c
index 853c503..788cc56 100644
--- a/src/gallium/auxiliary/util/u_tile.c
+++ b/src/gallium/auxiliary/util/u_tile.c
@@ -769,6 +769,32 @@ z24s8_get_tile_rgba(const unsigned *src,
}
+/*** PIPE_FORMAT_Z32_FLOAT ***/
+
+/**
+ * Return each Z value as four floats.
+ */
+static void
+z32f_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++;
+ }
+ p += dst_stride;
+ }
+}
+
+
/*** PIPE_FORMAT_YCBCR / PIPE_FORMAT_YCBCR_REV ***/
/**
@@ -913,6 +939,9 @@ pipe_tile_raw_to_rgba(enum pipe_format format,
case PIPE_FORMAT_Z24S8_UNORM:
z24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
break;
+ case PIPE_FORMAT_Z32_FLOAT:
+ z32f_get_tile_rgba((float *) src, w, h, dst, dst_stride);
+ break;
case PIPE_FORMAT_YCBCR:
ycbcr_get_tile_rgba((ushort *) src, w, h, dst, dst_stride, FALSE);
break;
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