problem.txt

on Galaxy Tab 4 8"

evolve shader has mediump float precision

640x640 size is fine

641 or greater width or height has problems

evolve shader highp precision is fine

Galaxy Tab 4 8"
04-11 17:00:24.205: D/bkb(2050): vertex low 127 127 23
04-11 17:00:24.205: D/bkb(2050): vertex medium 127 127 23
04-11 17:00:24.205: D/bkb(2050): vertex high 127 127 23
04-11 17:00:24.205: D/bkb(2050): frag low 15 15 10
04-11 17:00:24.205: D/bkb(2050): frag medium 15 15 10
04-11 17:00:24.205: D/bkb(2050): frag high 127 127 23


DROID RAZR
04-11 18:12:16.386: D/bkb(8751): vertex low 15 15 10
04-11 18:12:16.386: D/bkb(8751): vertex medium 15 15 10
04-11 18:12:16.386: D/bkb(8751): vertex high 127 127 23
04-11 18:12:16.386: D/bkb(8751): frag low 15 15 10
04-11 18:12:16.386: D/bkb(8751): frag medium 15 15 10
04-11 18:12:16.386: D/bkb(8751): frag high 127 127 23


nexus 10
04-11 18:31:19.271: D/bkb(3132): vertex low 15 15 10
04-11 18:31:19.271: D/bkb(3132): vertex medium 15 15 10
04-11 18:31:19.271: D/bkb(3132): vertex high 127 127 23
04-11 18:31:19.271: D/bkb(3132): frag low 15 15 10
04-11 18:31:19.271: D/bkb(3132): frag medium 15 15 10
04-11 18:31:19.271: D/bkb(3132): frag high 127 127 23
04-11 18:31:19.271: D/bkb(3132): width height 1600 2302


http://www.youi.tv/mobile-gpu-floating-point-accuracy-variances/
http://community.arm.com/groups/arm-mali-graphics/blog/2013/05/29/benchmarking-floating-point-precision-in-mobile-gpus
http://community.arm.com/groups/arm-mali-graphics/blog/2013/06/11/benchmarking-floating-point-precision-in-mobile-gpus--part-ii
http://community.arm.com/groups/arm-mali-graphics/blog/2013/10/10/benchmarking-floating-point-precision-in-mobile-gpus--part-iii




https://msdn.microsoft.com/en-us/library/windows/desktop/bb219690(v=vs.85).aspx

http://hacksoflife.blogspot.com/2009/12/texture-coordinate-system-for-opengl.html