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authorKeith Whitwell <keith@tungstengraphics.com>2004-02-16 15:15:24 +0000
committerKeith Whitwell <keith@tungstengraphics.com>2004-02-16 15:15:24 +0000
commit477363455d250bf7545f1cf89271025f9183dfb5 (patch)
treed6aff2d6c9eea9a7d35710f6191c194b0a386426 /src/mesa/tnl
parent7b5199e8a44dc478f8800950422efe94fa364de4 (diff)
Add _tnl_set_attr() to complement existing get_attr() call.
Diffstat (limited to 'src/mesa/tnl')
-rw-r--r--src/mesa/tnl/t_vertex.c30
-rw-r--r--src/mesa/tnl/t_vertex.h6
2 files changed, 31 insertions, 5 deletions
diff --git a/src/mesa/tnl/t_vertex.c b/src/mesa/tnl/t_vertex.c
index 87931aae62..172733f575 100644
--- a/src/mesa/tnl/t_vertex.c
+++ b/src/mesa/tnl/t_vertex.c
@@ -937,11 +937,31 @@ void _tnl_get_attr( GLcontext *ctx, const void *vin,
}
}
- /* Else return the value from ctx->Current
+ /* Else return the value from ctx->Current -- dangerous???
*/
_mesa_memcpy( dest, ctx->Current.Attrib[attr], 4*sizeof(GLfloat));
}
+
+/* Complementary operation to the above.
+ */
+void _tnl_set_attr( GLcontext *ctx, void *vout,
+ GLenum attr, const GLfloat *src )
+{
+ struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx);
+ const struct tnl_clipspace_attr *a = vtx->attr;
+ int attr_count = vtx->attr_count;
+ int j;
+
+ for (j = 0; j < attr_count; j++) {
+ if (a[j].attrib == (int)attr) {
+ a[j].insert[4-1]( &a[j], (GLubyte *)vout + a[j].vertoffset, src );
+ return;
+ }
+ }
+}
+
+
void *_tnl_get_vertex( GLcontext *ctx, GLuint nr )
{
struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx);
@@ -981,8 +1001,8 @@ GLuint _tnl_install_attrs( GLcontext *ctx, const struct tnl_attr_map *map,
if (format == EMIT_PAD) {
offset += map[i].offset;
-/* fprintf(stderr, "%d: pad %d, offset now %d\n", i, */
-/* map[i].offset, offset); */
+/* fprintf(stderr, "%d: pad %d, offset now %d\n", i, */
+/* map[i].offset, offset); */
}
else {
@@ -997,8 +1017,8 @@ GLuint _tnl_install_attrs( GLcontext *ctx, const struct tnl_attr_map *map,
else
vtx->attr[j].vertoffset = offset;
-/* fprintf(stderr, "%d: %s offset %d\n", i, */
-/* format_info[format].name, vtx->attr[j].vertoffset); */
+/* fprintf(stderr, "%d: %s offset %d\n", i, */
+/* format_info[format].name, vtx->attr[j].vertoffset); */
offset += format_info[format].attrsize;
j++;
diff --git a/src/mesa/tnl/t_vertex.h b/src/mesa/tnl/t_vertex.h
index 6c58ca994b..04106264ff 100644
--- a/src/mesa/tnl/t_vertex.h
+++ b/src/mesa/tnl/t_vertex.h
@@ -82,6 +82,12 @@ extern void _tnl_copy_pv( GLcontext *ctx, GLuint edst, GLuint esrc );
extern void _tnl_get_attr( GLcontext *ctx, const void *vertex, GLenum attrib,
GLfloat *dest );
+/* Complementary to the above.
+ */
+extern void _tnl_set_attr( GLcontext *ctx, void *vout, GLenum attrib,
+ const GLfloat *src );
+
+
extern void *_tnl_get_vertex( GLcontext *ctx, GLuint nr );