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authorJouk <joukj@tarantella.(none)>2007-06-08 13:38:24 +0200
committerJouk <joukj@tarantella.(none)>2007-06-08 13:38:24 +0200
commit55f8b7053065ce88296608071feed6f9540f6c0d (patch)
tree86ac301ed5805c895985040caf56f857de017233 /src/mesa/swrast/swrast.h
parent518f9168862b2096278ae14a65c8c854c208e004 (diff)
parent7b559a91028d297b34df9ec939bd4d00fad6027c (diff)
Merge branch 'master' of git+ssh://joukj@git.freedesktop.org/git/mesa/mesa
Diffstat (limited to 'src/mesa/swrast/swrast.h')
-rw-r--r--src/mesa/swrast/swrast.h23
1 files changed, 13 insertions, 10 deletions
diff --git a/src/mesa/swrast/swrast.h b/src/mesa/swrast/swrast.h
index 12264a159a..d101a9e2ae 100644
--- a/src/mesa/swrast/swrast.h
+++ b/src/mesa/swrast/swrast.h
@@ -45,6 +45,14 @@
* improve its usefulness as a fallback mechanism for hardware
* drivers.
*
+ * wpos = attr[FRAG_ATTRIB_WPOS] and MUST BE THE FIRST values in the
+ * vertex because of the tnl clipping code.
+
+ * wpos[0] and [1] are the screen-coords of SWvertex.
+ * wpos[2] is the z-buffer coord (if 16-bit Z buffer, in range [0,65535]).
+ * wpos[3] is 1/w where w is the clip-space W coord. This is the value
+ * that clip{XYZ} were multiplied by to get ndc{XYZ}.
+ *
* Full software drivers:
* - Register the rastersetup and triangle functions from
* utils/software_helper.
@@ -61,20 +69,15 @@
* primitives unaccelerated), hook in swrast_setup instead.
*/
typedef struct {
- /** win[0], win[1] are the screen-coords of SWvertex.
- * win[2] is the z-buffer coord (if 16-bit Z buffer, in range [0,65535]).
- * win[3] is 1/w where w is the clip-space W coord. This is the value
- * that clip{XYZ} were multiplied by to get ndc{XYZ}.
- */
- GLfloat win[4];
- GLchan color[4];
- GLchan specular[4];
- GLfloat index;
+ GLfloat attrib[FRAG_ATTRIB_MAX][4];
+ GLchan color[4]; /** integer color */
GLfloat pointSize;
- GLfloat attrib[FRAG_ATTRIB_MAX][4]; /**< texcoords & varying, more to come */
} SWvertex;
+#define FRAG_ATTRIB_CI FRAG_ATTRIB_COL0
+
+
struct swrast_device_driver;