rthdribl v.1.1 (DirectX9)
ºûÀ» ±âÃÊ·ÎÇÑ ½Ç½Ã°£ HDR(High Dynamic Range) À̹ÌÁö
¡Ù rthdriblÀ̶õ ¹«¾ùÀΰ¡?
Rthdribl˼ "Real Time High
Dynamic Range Image Based Lighting" µ¥¸ð
ÇÁ·Î±×·¥ÀÌ´Ù.
ÀÌ µ¥¸ð ¹öÀüÀÇ ±â¼úÀûÀΠƯ¡µé :
- HDR(High-Dynamic Range) ·»·¯µù
- ºûÀ» ±âÃÊ·ÎÇÑ À̹ÌÁö(IBL)
- Glare(¼¶±¤) »ý¼º [Afterimage(ÀÜ»ó), Bloom(Ȱ¦ ÇÉ ²É), Halo(Èı¤), Ghost(¿µÈ¥), Star(º°)]
- ÀÚµ¿À¸·Î ³ëÃâ·® Á¶Àý
- Iris´Â Depth of Field Blur¿¡ ÀÇÇØ Ç¥ÇöµÈ´Ù.
- ½ÇÁ¦ °°Àº Motion Blur
- FSAA (Full-Secene Anti-Alias)
- ÇÁ·¹³Ú ÀÌÆåÆ®(Fresnel Effect)
Glare, Motion Blur, Fresnel Reflection, Depth of Field¿Í °°Àº ÀÌÆåÆ®´Â
HDR (±×¸² 1, 2, 3)¸¦ ÀÌ¿ëÇÑ ·»´õ¸µ ÀÛ¾÷½Ã¿¡ »ç¿ëµÇ´Â
´Ù¾çÇÑ ÀÌÆåÆ®µéÀÌ´Ù.
±×¸² 4´Â "ÀÚµ¿ ³ëÃâ·® Á¶Àý"ÀÇ ¿¹¸¦
º¸¿©ÁÖ°í ÀÖ´Ù.
±×¸² 5ÀÇ À̹ÌÁöµéÀº ÀÛ¾÷ °¡´ÉÇÑ GlareÀÇ ´Ù¾çÇÑ ÆÐÅϵéÀ»
º¸¿©ÁÖ´Â ¿¹ÀÌ´Ù.
¡Ù ½Ã½ºÅÛ ¿ä±¸»çÇ×
- Intel(R) 80×86 ȣȯ¼º CPU
- Microsoft(R) Windows(R) 98, ME, 2000 ȤÀº XP
- DirectX(R) 9.0 ȤÀº ÀÌÈÄ ¹öÀü
- Vertex Shader 2.0°ú Pixel Shader 2.0À» Áö¿øÇÏ´Â ºñµð¿À
Ä«µå
Ãß°¡ÀûÀ¸·Î, ·»´õ¸µ ÀÛ¾÷ÀÌ °¡´ÉÇÑ D3DFMT_A16B16GR16F¿Í D3DFMT_A16B16G16R16
ÅؽºÃ³ Æ÷¸ËÀ» ´õ¿í ÃßõÇÏ´Â ¹ÙÀÌ´Ù. ¸¸¾à¿¡ ÇöÀç Direct3D µå¶óÀ̹ö°¡ ¾î¶°ÇÑ Ç÷ÎÆÃ
Æ÷ÀÎÆ®(Floating point) ÅؽºÃ³ Æ÷¸ËÀ» Áö¿øÇÏÁö ¾Ê´Â´Ù¸é, Depth of Field¿Í Halo
ÀÌÆåÆ® ÀÛ¾÷À» ÇÒ ¼ö ¾ø´Ù. ¶ÇÇÑ ÃÖ¼ÒÇÑ ÄÄÆ÷³ÍÆ® ´ç 16 ºñÆ®ÀÇ Floating Point³ª
Integer Æ÷¸ËÀ» Áö¿øÇÏÁö ¾ÊÀ¸¸é, À§ÀÇ µÎ°¡Áö ÀÌÆåÆ®ÀÇ Áú°ú ÇÁ·¹ÀÓ ºñÀ²Àº ¶³¾îÁú
°ÍÀÌ´Ù.
¡Ù ´Ù¿î·Îµå
rthdribl_1_zip
(16,149KB)
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±×¸² 1 : ¿ø·¡ÀÇ ºûÀ̳ª ¹Ý»çµÈ ºû
ȤÀº ±¼ÀýµÈ ºûÀº Glare(¼¶±¤)À¸·Î ÀÎÇÏ¿© ¸Å¿ì ¹à°Ô º¸ÀδÙ.
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±×¸² 2 : HDRÀº ½ÇÁ¦ °°Àº ÀÛ¾÷À»
ÇÏ´Â Motion BlurÀÇ ´ëÇ¥ÀûÀÎ ¿¹ÀÌ´Ù. |
a) Pan-focus
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b) 4-blade
Iris
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c) 6-blade
Iris
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±×¸² 3 : Iris´Â
Depth of Field ÀÌÆåÆ®¿¡ ÀÇÇØ ´Ù¸£°Ô Ç¥ÇöµÈ´Ù. |
a) Exposure(³ëÃâ)
1.037
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b) Exposure(³ëÃâ)
0.179
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c) Exposure(³ëÃâ)
0.044
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±×¸² 4 : ÀÚµ¿À¸·Î ³ëÃâ·® Á¶Àý |
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±×¸² 5 : ´Ù¾çÇÑ ¼¶±¤(Glare) ÆÐÅÏ |
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±×¸² 6 : ÀÌ¿ÜÀÇ ½ºÅ©¸° ¼¦ |
¡Ù ÂüÁ¶ »çÀÌÆ®
- Debevec, Paul E. "ÀÚ¿¬ºûÀ» ÀÌ¿ëÇÑ ·»´õ¸µ", SIGGRAPH
98 Electronic Theater, 1998. http://www.debevec.org/RNL/
- Debevec, Paul E. "Fiat Lux", SIGGRAPH
99 Electronic Theater, 1999. http://www.debevec.org/FiatLux/
- Paul DebevecÀÇ Æ¯º°ÇÑ ½ÃµµÀÇ ºûÀ» ÀÌ¿ëÇÑ À̹ÌÁö, http://www.debevec.org/Probes,
Çã°¡¼°¡ ÀÖ¾î¾ß »ç¿ë°¡´É, 1997
- Mitchell, Jason L. "ATIÀÇ RADEON 9700 ½Ã¸®ÁîÀÇ
DirectX9¸¦ ÀÌ¿ëÇÑ ³ôÀº ¼öÁØÀÇ ½¦À̵ù(Shading)", NetSeminar, 2002³â
12¿ù 11ÀÏ http://www.netseminar.com/index.cgi?sem_num=793
- Spencer, Greg, Peter Shirley, Kurt Zimmerman, Donald
P. Greenberg. "µðÁöÅÐ À̹ÌÁö¸¦ À§ÇÑ ÀÚ¿¬¹ýÄ¢¿¡ ±Ù°ÅÇÑ Glare ÀÌÆåÆ®",
SIGGRAPH 95, 1995.
- "±¤Ã¤ »çÁø ÆÄÀÏ Æ÷¸Ë(The RADIANCE Picture
File Format)", http://radsite.lbl.gov/radiance/refer/Notes/picture_format.html