void r100_blit_init(struct r100_context *r100);
-unsigned r100_blit(GLcontext *ctx,
+unsigned r100_check_blit(gl_format mesa_format);
+
+unsigned r100_blit(struct gl_context *ctx,
struct radeon_bo *src_bo,
intptr_t src_offset,
gl_format src_mesaformat,