mirror of
https://github.com/ncblakely/GiantsTools
synced 2024-11-23 14:45:37 +01:00
63 lines
3.4 KiB
HLSL
63 lines
3.4 KiB
HLSL
#define MAX_DIRECTIONAL_LIGHTS 3
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#define MAX_POINT_LIGHTS 4
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#define MAX_BLEND_STAGES 2 // Giants does not currently use more than 2
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#define D3DTOP_DISABLE 1 // disables stage
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#define D3DTOP_SELECTARG1 2 // the default
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#define D3DTOP_SELECTARG2 3
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#define D3DTOP_MODULATE 4 // multiply args together
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#define D3DTOP_MODULATE2X 5 // multiply and 1 bit
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#define D3DTOP_MODULATE4X 6 // multiply and 2 bits
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// Add
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#define D3DTOP_ADD 7 // add arguments together
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#define D3DTOP_ADDSIGNED 8 // add with -0.5 bias
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#define D3DTOP_ADDSIGNED2X 9 // as above but left 1 bit
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#define D3DTOP_SUBTRACT 10 // Arg1 - Arg2, with no saturation
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#define D3DTOP_ADDSMOOTH 11 // add 2 args, subtract product
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// Arg1 + Arg2 - Arg1*Arg2
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// Arg1 + (1-Arg1)*Arg2
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// Linear alpha blend: Arg1*(Alpha) + Arg2*(1-Alpha)
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#define D3DTOP_BLENDDIFFUSEALPHA 12 // iterated alpha
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#define D3DTOP_BLENDTEXTUREALPHA 13 // texture alpha
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#define D3DTOP_BLENDFACTORALPHA 14 // alpha from D3DRS_TEXTUREFACTOR
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// Linear alpha blend with pre-multiplied arg1 input: Arg1 + Arg2*(1-Alpha)
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#define D3DTOP_BLENDTEXTUREALPHAPM 15 // texture alpha
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#define D3DTOP_BLENDCURRENTALPHA 16 // by alpha of current color
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// Specular mapping
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#define D3DTOP_PREMODULATE 17 // modulate with next texture before use
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#define D3DTOP_MODULATEALPHA_ADDCOLOR 18 // Arg1.RGB + Arg1.A*Arg2.RGB
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// COLOROP only
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#define D3DTOP_MODULATECOLOR_ADDALPHA 19 // Arg1.RGB*Arg2.RGB + Arg1.A
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// COLOROP only
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#define D3DTOP_MODULATEINVALPHA_ADDCOLOR 20 // (1-Arg1.A)*Arg2.RGB + Arg1.RGB
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// COLOROP only
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#define D3DTOP_MODULATEINVCOLOR_ADDALPHA 21 // (1-Arg1.RGB)*Arg2.RGB + Arg1.A
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// COLOROP only
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// Bump mapping
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#define D3DTOP_BUMPENVMAP 22 // per pixel env map perturbation
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#define D3DTOP_BUMPENVMAPLUMINANCE 23 // with luminance channel
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// This can do either diffuse or specular bump mapping with correct input.
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// Performs the function (Arg1.R*Arg2.R + Arg1.G*Arg2.G + Arg1.B*Arg2.B)
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// where each component has been scaled and offset to make it signed.
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// The result is replicated into all four (including alpha) channels.
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// This is a valid COLOROP only.
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#define D3DTOP_DOTPRODUCT3 24
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// Triadic ops
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#define D3DTOP_MULTIPLYADD 25 // Arg0 + Arg1*Arg2
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#define D3DTOP_LERP 26 // (Arg0)*Arg1 + (1-Arg0)*Arg2
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/*
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* Values for COLORARG0,1,2, ALPHAARG0,1,2, and RESULTARG texture blending
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* operations set in texture processing stage controls in D3DRENDERSTATE.
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*/
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#define D3DTA_SELECTMASK 0x0000000f // mask for arg selector
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#define D3DTA_DIFFUSE 0x00000000 // select diffuse color (read only)
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#define D3DTA_CURRENT 0x00000001 // select stage destination register (read/write)
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#define D3DTA_TEXTURE 0x00000002 // select texture color (read only)
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#define D3DTA_TFACTOR 0x00000003 // select D3DRS_TEXTUREFACTOR (read only)
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#define D3DTA_SPECULAR 0x00000004 // select specular color (read only)
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#define D3DTA_TEMP 0x00000005 // select temporary register color (read/write)
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#define D3DTA_CONSTANT 0x00000006 // select texture stage constant
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#define D3DTA_COMPLEMENT 0x00000010 // take 1.0 - x (read modifier)
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#define D3DTA_ALPHAREPLICATE 0x00000020 // replicate alpha to color components (read modifier) |