-_old_write_multitexture_span( GLcontext *ctx, GLuint n, GLint x, GLint y,
- const GLdepth z[], const GLfloat fog[],
- GLfloat texcoord[MAX_TEXTURE_UNITS][MAX_WIDTH][3],
- GLfloat lambda[MAX_TEXTURE_UNITS][MAX_WIDTH],
- GLchan rgba[][4], GLchan spec[][4],
- const GLfloat coverage[], GLenum primitive );
+_swrast_read_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y, GLenum type, GLvoid *rgba);