mesa: add support for ATI_envmap_bumpmap

add new entrypoints, new texture format, etc
translate in texenvprogram.c for drivers using the mesa-generated tex env
fragment program
also handled in swrast, but not tested (cannot work due to negative texel
results not handled correctly)

1 files changed, 7 insertions, 0 deletions

diff --git a/src/mesa/main/image.h b/src/mesa/main/image.h
index 0e0bbd96d85..b26c27e5a8a 100644
--- a/src/mesa/main/image.h
+++ b/src/mesa/main/image.h
@@ -198,6 +198,13 @@ _mesa_unpack_color_span_float( GLcontext *ctx,
                                const struct gl_pixelstore_attrib *srcPacking,
                                GLbitfield transferOps );
 
+extern void
+_mesa_unpack_dudv_span_byte( GLcontext *ctx,
+                             GLuint n, GLenum dstFormat, GLbyte dest[],
+                             GLenum srcFormat, GLenum srcType,
+                             const GLvoid *source,
+                             const struct gl_pixelstore_attrib *srcPacking,
+                             GLbitfield transferOps );
 
 extern void
 _mesa_unpack_index_span( const GLcontext *ctx, GLuint n,