large scrolling credentials opengl es


i am operative 2d scrolling diversion iphone. i have infinite settlement background, contend 4806000 pixels, wholly biased manifest (exactly screens worth, 480320 pixels). best proceed such credentials screen?



currently i have credentials separate several textures (to around border hardness distance limit) pull whole credentials any support textured triangle strip. scrolling finished translating modelview matrix. scissor box set window size, 480320 pixels. meant fast, i only wanted operative formula before i optimizing.



i guess maybe opengl doing intelligent adequate dump invisible apportionment background, nonetheless according measuring formula i wrote looks credentials takes 7 ms pull normal 84 ms during maximum. (this totalled simulator.) half whole news loop, ie. definitely delayed me.



drawing credentials should easy duplicating 480320 pixels biased vram another, or, words, blazing fast. best proceed closer such performance?



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