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-rw-r--r--src/mesa/tnl/t_context.h31
1 files changed, 22 insertions, 9 deletions
diff --git a/src/mesa/tnl/t_context.h b/src/mesa/tnl/t_context.h
index ab146b2930..a9d36d2488 100644
--- a/src/mesa/tnl/t_context.h
+++ b/src/mesa/tnl/t_context.h
@@ -88,6 +88,13 @@
* in mtypes.h. However, the tnl module has additional attributes
* for materials, color indexes, edge flags, etc.
*/
+/* Note: These are currently being used to define both inputs and
+ * outputs from the tnl pipeline. A better solution (which would also
+ * releive the congestion to slightly prolong the life of the bitmask
+ * below) is to have the fixed function pipeline populate a set of
+ * arrays named after those produced by the vertex program stage, and
+ * have the rest the mesa backend work on those.
+ */
enum {
_TNL_ATTRIB_POS = 0,
_TNL_ATTRIB_WEIGHT = 1,
@@ -119,7 +126,8 @@ enum {
_TNL_ATTRIB_MAT_BACK_INDEXES = 27,
_TNL_ATTRIB_INDEX = 28,
_TNL_ATTRIB_EDGEFLAG = 29,
- _TNL_ATTRIB_MAX = 30
+ _TNL_ATTRIB_POINTSIZE = 30,
+ _TNL_ATTRIB_MAX = 31
} ;
/* Will probably have to revise this scheme fairly shortly, eg. by
@@ -156,6 +164,7 @@ enum {
#define _TNL_BIT_MAT_BACK_INDEXES (1<<27)
#define _TNL_BIT_INDEX (1<<28)
#define _TNL_BIT_EDGEFLAG (1<<29)
+#define _TNL_BIT_POINTSIZE (1<<30)
#define _TNL_BIT_TEX(u) (1 << (_TNL_ATTRIB_TEX0 + (u)))
@@ -495,20 +504,24 @@ struct tnl_pipeline {
GLuint nr_stages;
};
+struct tnl_clipspace_attr;
+
+typedef void (*extract_func)( const struct tnl_clipspace_attr *a, GLfloat *out,
+ const GLubyte *v );
+
+typedef void (*insert_func)( const struct tnl_clipspace_attr *a, GLubyte *v,
+ const GLfloat *in );
+
struct tnl_clipspace_attr {
int attrib;
int vertoffset;
int vertattrsize;
- GLfloat *inputptr;
+ GLubyte *inputptr;
int inputstride;
-
- void (*insert)( const struct tnl_clipspace_attr *a,
- char *v, const GLfloat *input );
-
- void (*extract)( const struct tnl_clipspace_attr *a,
- GLfloat *output, const char *v );
-
+ insert_func *insert;
+ insert_func emit;
+ extract_func extract;
const GLfloat *vp;
};