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Texture Rectangle ⇨ Cousin to 2D textures Interface changes: New texture target: GL_TEXTURE_RECTANGLE_ARB New sampler type: sampler2DRect, sampler2DRectShadow New sampler functions: texture2DRect, texture2DRectProj, etc. Limitations: No mipmaps Minification filter must be GL_LINEAR or GL_NEAREST Wrap mode must be one of GL_CLAMP_TO_EDGE, GL_CLAMP_TO_BORDER, or GL_CLAMP 24-November-2010 © Copyright Ian D. Romanick 2009, 2010
Texture Rectangle ⇨ Added features: Dimensions need not be power of two Alas, now only a “feature” on old hardware Accessed by non-normalized coordinates Coordinates are [0, w] [0, h] 24-November-2010 © Copyright Ian D. Romanick 2009, 2010
Page 1: VGP352 - Week 8 ⇨ Agenda: Text
Page 5 and 6: Post-processing Effects ⇨ Overvie
Page 7 and 8: Post-processing Effects ⇨ Draw tw
Page 9 and 10: Post-processing Effects ⇨ Offset
Page 11 and 12: Filter Kernels ⇨ Uniform blur ove
Page 13 and 14: Filter Kernels - Edge Detection ⇨
Page 19 and 20: Sobel Edge Detection ⇨ Uses two f
Page 21 and 22: Sobel Edge Detection Images from ht
Page 23 and 24: Filter Kernels ⇨ Implement this e
Page 25 and 26: Filter Kernels ⇨ Implement this e
Page 27 and 28: Separable Filter Kernels ⇨ 2D ker
Page 29 and 30: Separable Filter Kernels ⇨ The 2D
Page 31 and 32: Separable Filter Kernels ⇨ Implem
Page 33 and 34: References http://www.archive.org/d
Page 35 and 36: Ripple Effect ⇨ Render multiple p
Page 37 and 38: Optimization ⇨ Multiple texture l
Page 39 and 40: References Tutorials for several po
Page 41 and 42: Depth-of-field ⇨ Why is DOF impor
Page 43 and 44: Depth-of-field ⇨ Basic optics:
Page 45 and 46: Depth-of-field ⇨ Basic optics:
Page 47 and 48: Depth-of-field ⇨ In most real-tim
Page 49 and 50: Depth-of-field ⇨ Straight-forward
Page 51 and 52: Depth-of-field ⇨ Problem with thi
Page 53 and 54:
Depth-of-field ⇨ Simplified GPU i
Page 55 and 56:
Depth-of-Field ⇨ “Gather” met
Page 57 and 58:
Next week... ⇨ Quiz #4 ⇨ Beyond
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