extern void
_mesa_swap4( GLuint *p, GLuint n );
+extern GLboolean
+_mesa_type_is_packed(GLenum type);
+
extern GLint
_mesa_sizeof_type( GLenum type );
extern GLboolean
_mesa_is_legal_format_and_type( GLcontext *ctx, GLenum format, GLenum type );
+extern GLboolean
+_mesa_is_color_format(GLenum format);
+
+extern GLboolean
+_mesa_is_index_format(GLenum format);
+
+extern GLboolean
+_mesa_is_depth_format(GLenum format);
+
+extern GLboolean
+_mesa_is_ycbcr_format(GLenum format);
+
+extern GLboolean
+_mesa_is_depthstencil_format(GLenum format);
+
+extern GLboolean
+_mesa_is_dudv_format(GLenum format);
+
extern GLvoid *
_mesa_image_address( GLuint dimensions,
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,
GLint *x, GLint *y,
GLsizei *width, GLsizei *height );
+extern GLboolean
+_mesa_clip_blit(GLcontext *ctx,
+ GLint *srcX0, GLint *srcY0, GLint *srcX1, GLint *srcY1,
+ GLint *dstX0, GLint *dstY0, GLint *dstX1, GLint *dstY1);
+
+
#endif