39 lines
985 B
Systemverilog
39 lines
985 B
Systemverilog
`ifndef VX_TEX_DEFINE
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`define VX_TEX_DEFINE
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`include "VX_define.vh"
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`define FIXED_FRAC 20
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`define FIXED_INT (32 - `FIXED_FRAC)
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`define FIXED_ONE (1 << `FIXED_FRAC)
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`define FIXED_HALF (`FIXED_ONE >> 1)
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`define FIXED_MASK (`FIXED_ONE - 1)
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`define CLAMP(x,lo,hi) ((x < lo) ? lo : ((x > hi) ? hi : x))
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`define BLEND_FRAC_64 8
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`define LERP_64(x1,x2,frac) ((x2 + (((x1 - x2) * frac) >> `BLEND_FRAC_64)) & 64'h00ff00ff00ff00ff)
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`define TEX_ADDR_BITS 32
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`define TEX_FORMAT_BITS 3
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`define TEX_WRAP_BITS 2
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`define TEX_WIDTH_BITS 4
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`define TEX_HEIGHT_BITS 4
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`define TEX_STRIDE_BITS 2
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`define TEX_FILTER_BITS 1
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`define TEX_WRAP_REPEAT 0
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`define TEX_WRAP_CLAMP 1
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`define TEX_WRAP_MIRROR 2
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`define MAX_COLOR_WIDTH 8
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`define NUM_COLOR_CHANNEL 4
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`define TEX_COLOR_BITS 8
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`define TEX_FORMAT_R5G6B5 `TEX_FORMAT_BITS'(1)
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`define TEX_FORMAT_R8G8B8 `TEX_FORMAT_BITS'(2)
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`define TEX_FORMAT_R8G8B8A8 `TEX_FORMAT_BITS'(3)
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`endif |