To list the advantages and disadvantages of them Smaller per-pie texture: pros: 1.faster opengl texcoords2f due to the reduced texture size(128x128 or 256x256 should be enough for most pies) 2.no space waste 3.easier to use for modeller
cons: 1.need to re-texture all exist pies... 2.source changes 3.might increase texture bind frequency because textures are no longer shared between pies via 'page' Bigger texture page(enlarging exist texture pages) pros: 1.require no pie changes 2.easier to implement,requires zero source changes cons: 1.slower opengl texturing due to increased texture(256x256/512x512 to 512x512/1024x1024) 2.may not look as good as per-pie texture because the space allocated to each pie is relatively small 3.waste space on large pages(proportional to size)
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