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77 lines
2.2 KiB
77 lines
2.2 KiB
//-----------------------------------------------------------------------------
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//
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// This file contains color blend functions.
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//
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// Copyright (C) Microsoft Corporation, 1997.
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//
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// WARNING WARNING WARNING
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// This cpp file generated from mcp file.
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// EDIT THE MCP FILE.
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// I warned you.
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// WARNING WARNING WARNING
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//
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//-----------------------------------------------------------------------------
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include(`m4hdr.mh')dnl
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#include "pch.cpp"
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#pragma hdrstop
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#include "matest_mh.h"
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extern UINT16 g_uDitherTable[16];
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dnl
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dnl d_DoZWrite
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dnl
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dnl Inserts conditional Z Defered write code
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dnl $1 the function type, $2 is the format of the Z buffer.
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dnl
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define(`d_DoZWrite', `ifelse(`$1', `NoZWrite', `',
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`*((UINT$2*)pS->pZ) = (UINT$2)pCtx->SI.uZDeferred;')')dnl
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dnl d_DoAlphaDitherTest
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dnl
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dnl Inserts conditional AlphaDither Test code
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dnl $1 the function type, $2 is the ZWrite type,
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dnl and $3 is the format of the Z buffer.
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dnl
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define(`d_DoAlphaDitherTest', `ifelse(`$1', `NoAlphaDither', `', `
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INT32 Alpha;
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UINT16 uDither = g_uDitherTable[pCtx->SI.uDitherOffset];
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if (pCtx->cActTex != 0)
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{
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Alpha = RGBA_GETALPHA(pCtx->SI.TexCol[0]);
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}
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else
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{
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Alpha = pS->uA >> COLOR_SHIFT;
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}
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if ((Alpha & 0xff) > uDither)
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{
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d_DoZWrite($2, $3)
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pCtx->pfnAlphaTestPassEnd(pCtx, pP, pS);
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}')')dnl
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define(`d_AlphaHdr', `
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void CMMX_AlphaTest_$1_$2_$3_$4(PD3DI_RASTCTX pCtx, PD3DI_RASTPRIM pP, PD3DI_RASTSPAN pS)
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{
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ifelse(`$1', `NoAlpha',
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`d_DoAlphaDitherTest(`$2', `$3', `$4')', `
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if (ACMP(pCtx, pCtx->SI.uBA, pCtx->iARef))
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{
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ifelse($2, `NoAlphaDither', `
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d_DoZWrite(`$3', `$4')
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pCtx->pfnAlphaTestPassEnd(pCtx, pP, pS);',
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`d_DoAlphaDitherTest(`$2', `$3', `$4')')
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}
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else
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{
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// in the C code this does a return, since this is the
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// last bead before write
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// pCtx->pfnAlphaTestFailEnd(pCtx, pP, pS);
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}')
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dnl
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}')
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dnl
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d_RepStr(`d_RepStr(`d_RepStr(`d_RepStr(`d_AlphaHdr(AA, BB, CC, DD)',
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`AA', `NoAlpha', `Alpha')',
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`BB', `NoAlphaDither', `AlphaDither')',
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`CC', `NoZWrite', `ZWrite')',
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`DD', `16', `32')
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