+ free(buf);
+ free(buf2);
+}
+
+
+void
+_mesa_dump_image(const char *filename, const void *image, GLuint w, GLuint h,
+ GLenum format, GLenum type)
+{
+ GLboolean invert = GL_TRUE;
+
+ if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
+ write_ppm(filename, image, w, h, 4, 0, 1, 2, invert);
+ }
+ else if (format == GL_BGRA && type == GL_UNSIGNED_BYTE) {
+ write_ppm(filename, image, w, h, 4, 2, 1, 0, invert);
+ }
+ else if (format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_BYTE) {
+ write_ppm(filename, image, w, h, 2, 1, 0, 0, invert);
+ }
+ else {
+ _mesa_problem(NULL, "Unsupported format/type in _mesa_dump_image()");
+ }