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46 still be useful. NV_texture_shader adds signed texture formats,
58 1) What should this extension be called?
65 be supported?
68 universal format, rgba. alpha/luminance can't be trivially supported
106 The above mapping should be considered the reference, but there
110 might be a mapping which represents -1.0 by -128, 0.0 by 0 and 1.0 by
118 a framebuffer clamped to [0,1] all converted numbers will be in the range
158 requires texture source colors to be clamped to [0,1]. Texture
159 filtering of these signed formats would be still signed, but
160 negative values generated post-filtering would be clamped to
162 expectation is clearly that this extension would be co-implemented
164 GLSL for the new signed formats to be useful.
167 6) Should the RGBA_SNORM tokens also be accepted by CopyTexImage
179 SIGNED_NORMALIZED, which will be returned accordingly. This is the
