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3Dã¨DXTã«é–¢ã™ã‚‹suzukiMYã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (3)

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DXTC(S3TC)åœ§ç¸®ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã¨ã¯ï¼Ÿï½žå‰ç·¨ï½ž - OPTPiX Labs Blog
åˆã‚ã¾ã—ã¦ã€R&Déƒ¨ ä¸Šç”°ã¨ç”³ã—ã¾ã™ã€‚ ã€ŒOPTPiX Labs Blogã€ã«ã¯åˆç™»å ´ã§ã™ã€‚ä»Šå›žã‹ã‚‰ã€ã‚ˆãä½¿ã‚ã‚Œã‚‹ã„ãã¤ã‹ã®ç”»åƒåœ§ç¸®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã«ã¤ã„ã¦è§£èª¬ã—ã¦ã„ããŸã„ã¨æ€ã„ã¾ã™ã€‚ ç¬¬ä¸€å›žç›®ã¯DXTCï¼ˆS3TCï¼‰åœ§ç¸®ã«ã¤ã„ã¦ã€ã§ã™ã€‚ DXTCã£ã¦ä½•ï¼Ÿ DXTCã¨ã¯ç”»åƒåœ§ç¸®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã®ä¸€ç¨®ã§ã€DirectX Texture Compressionã®ç•¥ç§°ã§ã™ã€‚DXTCã‚’ä½¿ã†ã¨ç”»åƒå®¹é‡ã‚’å°ã•ãã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ãŸã ã—ã€éžå¯é€†åœ§ç¸®ãªã®ã§ç”»åƒãŒåŠ£åŒ–ã—ã¾ã™ã€‚ã¾ãŸã€S3 Graphicsç¤¾ã®é–‹ç™ºã—ãŸæŠ€è¡“ãªã®ã§ã€S3TC(=S3 Texture Compression)ã¨ã‚‚å‘¼ã°ã‚Œã¦ã„ã¾ã™ã€‚ DXTCã£ã¦ã©ã‚“ãªã¨ã“ã‚ã§ä½¿ã‚ã‚Œã¦ã„ã‚‹ã®ï¼Ÿ NINTENDO GAMECUBEÂ®ã€WiiÂ®ã€WiiÂ Uâ„¢ã€PSPÂ®ã€PS3Â®ã€XboxÂ®ã€Xbox360Â®ãªã©ã®å®¶åºç”¨ã‚²ãƒ¼ãƒ æ©Ÿã‚„ã€Windows PCã®ã»ã¨ã‚“ã©ã®ã‚°ãƒ©
suzukiMY 2014/10/15
DXT

DDS

CG

3D

game

DirectX

texture

compress
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DXTC(S3TC)åœ§ç¸®ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã¨ã¯ï¼Ÿï½žå¾Œç·¨ï½ž - OPTPiX Labs Blog
R&Déƒ¨ ä¸Šç”°ã§ã™ã€‚ DXTC(S3TC)åœ§ç¸®ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ è§£èª¬ã€å¾Œç·¨ã§ã™ã€‚å‰å›žã®ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã§ã¯ã€ŒDXTCã¨ã¯ä½•ã‹ï¼Ÿã€ã€Œã©ã‚“ãªã¨ã“ã‚ã§ä½¿ã‚ã‚Œã¦ã„ã‚‹ã®ã‹ï¼Ÿã€ã¨ã„ã£ãŸåŸºæœ¬çš„ãªè§£èª¬ã¨ã€DXT1ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’ã”èª¬æ˜Žã—ã¾ã—ãŸã€‚ä»Šå›žã¯DXT2ï½žDXT5ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã«ã¤ã„ã¦è§£èª¬ã—ã¦ã„ãã¾ã™ã€‚ DXT2ï½ž5ã£ã¦ä½•ï¼Ÿ DXTC(S3TC)åœ§ç¸®ã«ã¯ã€DXT1ï½ž5ã®5ç¨®é¡žã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ãŒå˜åœ¨ã—ã¾ã™ã€‚å‰å›žè§£èª¬ã—ãŸã®ã¯DXT1ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã§ã™ã€‚ ä½•ãŒé•ã†ã®ï¼Ÿ DXT1ã¯ã‚¢ãƒ«ãƒ•ã‚¡(Î±,alpha)ãƒãƒ£ãƒãƒ«ä»˜ãç”»åƒ(32bitÂ ARGBã‚«ãƒ©ãƒ¼)ã«å¯¾å¿œã—ã¦ã„ã¾ã›ã‚“ã§ã—ãŸ(å®Œå…¨é€æ˜Žè‰²ï¼æŠœãè‰²ã®ã¿å¯¾å¿œ)ã€‚ã“ã‚Œã«å¯¾ã—ã¦ã€DXT2ï½ž5ã¯ã‚¢ãƒ«ãƒ•ã‚¡ãƒãƒ£ãƒ³ãƒãƒ«ä»˜ãç”»åƒã«å¯¾å¿œã—ã¦ã„ã¾ã™ã€‚ ãã®ä»£ã‚ã‚Šã€DXT1ãŒ24bitÂ RGBã‚«ãƒ©ãƒ¼ç”»åƒã‚’åœ§ç¸®ã™ã‚‹ã¨åœ§ç¸®çŽ‡ãŒ1/6 (4Ã—4ãƒ–ãƒãƒƒã‚¯=16ãƒ”ã‚¯ã‚»ãƒ«ã‚ãŸã‚Š8ãƒã‚¤ãƒˆ)ã¨ãªã‚‹ã®ã«å¯¾ã—ã¦ã€D
suzukiMY 2014/10/15
DXT

DDS

CG

3D

game

DirectX

texture

compress
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Texture Tools Exporter
NVIDIA Texture Tools Exporter The NVIDIA Texture Tools Exporter allows users to create highly compressed texture files - that stay small both on disk and in memory - directly from image sources using NVIDIAâ€™s CUDA-accelerated Texture Tools 3.0 compressor techno logy. This exporter combines four texture tools in a single plugin and standalone application, including flexible and powerful support for
suzukiMY 2014/05/12
DDSä½œæˆã®ãŸã‚ã®Photoshopç”¨ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã€‚

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DXTC(S3TC)åœ§ç¸®ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã¨ã¯ï¼Ÿï½žå‰ç·¨ï½ž - OPTPiX Labs Blog

DXTC(S3TC)åœ§ç¸®ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã¨ã¯ï¼Ÿï½žå¾Œç·¨ï½ž - OPTPiX Labs Blog

Texture Tools Exporter

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3Dã¨DXTã«é–¢ã™ã‚‹suzukiMYã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (3)

DXTC(S3TC)åœ§ç¸®ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã¨ã¯ï¼Ÿï½žå‰ç·¨ï½ž - OPTPiX Labs Blog

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