forked from dolphin-emu/dolphin
fc12291806
modify shader generator to produce native sm 4.0 code. eliminate compatibility mode in dx11 so now all shader must work much better. please test. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5691 8ced0084-cf51-0410-be5f-012b33b47a6e
1070 lines
36 KiB
C++
1070 lines
36 KiB
C++
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include <stdio.h>
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#include <cmath>
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#include <assert.h>
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#include <locale.h>
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#include "Profiler.h"
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#include "PixelShaderGen.h"
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#include "XFMemory.h" // for texture projection mode
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#include "BPMemory.h"
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PIXELSHADERUID last_pixel_shader_uid;
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// Mash together all the inputs that contribute to the code of a generated pixel shader into
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// a unique identifier, basically containing all the bits. Yup, it's a lot ....
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// It would likely be a lot more efficient to build this incrementally as the attributes
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// are set...
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void GetPixelShaderId(PIXELSHADERUID *uid, u32 texturemask, u32 dstAlphaEnable)
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{
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u32 projtexcoords = 0;
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for (u32 i = 0; i < (u32)bpmem.genMode.numtevstages + 1; i++)
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{
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if (bpmem.tevorders[i/2].getEnable(i & 1))
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{
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int texcoord = bpmem.tevorders[i / 2].getTexCoord(i & 1);
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if (xfregs.texcoords[texcoord].texmtxinfo.projection)
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projtexcoords |= 1 << texcoord;
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}
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}
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uid->values[0] = (u32)bpmem.genMode.numtevstages |
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((u32)bpmem.genMode.numindstages << 4) |
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((u32)bpmem.genMode.numtexgens << 7) |
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((u32)dstAlphaEnable << 11) |
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((u32)((bpmem.alphaFunc.hex >> 16) & 0xff) << 12) |
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(projtexcoords << 20) |
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((u32)bpmem.ztex2.op << 28);
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uid->values[0] = (uid->values[0] & ~0x0ff00000) | (projtexcoords << 20);
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// swap table
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for (int i = 0; i < 8; i += 2)
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((u8*)&uid->values[1])[i / 2] = (bpmem.tevksel[i].hex & 0xf) | ((bpmem.tevksel[i + 1].hex & 0xf) << 4);
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uid->values[2] = texturemask;
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u32 enableZTexture = (!bpmem.zcontrol.zcomploc && bpmem.zmode.testenable && bpmem.zmode.updateenable)?1:0;
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uid->values[3] = (u32)bpmem.fog.c_proj_fsel.fsel |
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((u32)bpmem.fog.c_proj_fsel.proj << 3) |
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((u32)enableZTexture << 4);
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int hdr = 4;
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u32 *pcurvalue = &uid->values[hdr];
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for (u32 i = 0; i < (u32)bpmem.genMode.numtevstages + 1; ++i)
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{
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TevStageCombiner::ColorCombiner &cc = bpmem.combiners[i].colorC;
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TevStageCombiner::AlphaCombiner &ac = bpmem.combiners[i].alphaC;
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u32 val0 = cc.hex & 0xffffff;
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u32 val1 = ac.hex & 0xffffff;
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val0 |= bpmem.tevksel[i / 2].getKC(i & 1) << 24;
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val1 |= bpmem.tevksel[i / 2].getKA(i & 1) << 24;
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pcurvalue[0] = val0;
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pcurvalue[1] = val1;
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pcurvalue += 2;
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}
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for (u32 i = 0; i < ((u32)bpmem.genMode.numtevstages+1) / 2; ++i)
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{
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u32 val0, val1;
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if (bpmem.tevorders[i].hex & 0x40)
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val0 = bpmem.tevorders[i].hex & 0x3ff;
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else
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val0 = bpmem.tevorders[i].hex & 0x380;
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if (bpmem.tevorders[i].hex & 0x40000)
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val1 = (bpmem.tevorders[i].hex & 0x3ff000) >> 12;
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else
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val1 = (bpmem.tevorders[i].hex & 0x380000) >> 12;
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switch (i % 3) {
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case 0: pcurvalue[0] = val0|(val1<<10); break;
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case 1: pcurvalue[0] |= val0<<20; pcurvalue[1] = val1; pcurvalue++; break;
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case 2: pcurvalue[1] |= (val0<<10)|(val1<<20); pcurvalue++; break;
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default: PanicAlert("Uknown case for Tev Stages / 2: %08x", (i % 3));
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}
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}
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if ((bpmem.genMode.numtevstages + 1) & 1) { // odd
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u32 val0;
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if (bpmem.tevorders[bpmem.genMode.numtevstages/2].hex & 0x40)
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val0 = bpmem.tevorders[bpmem.genMode.numtevstages/2].hex & 0x3ff;
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else
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val0 = bpmem.tevorders[bpmem.genMode.numtevstages/2].hex & 0x380;
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switch (bpmem.genMode.numtevstages % 3)
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{
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case 0: pcurvalue[0] = val0; break;
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case 1: pcurvalue[0] |= val0 << 20; break;
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case 2: pcurvalue[1] |= val0 << 10; pcurvalue++; break;
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default: PanicAlert("Uknown case for Tev Stages: %08x", bpmem.genMode.numtevstages % 3);
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}
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}
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if ((bpmem.genMode.numtevstages % 3) != 2)
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++pcurvalue;
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uid->tevstages = (u32)(pcurvalue - &uid->values[0] - hdr);
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for (u32 i = 0; i < bpmem.genMode.numindstages; ++i)
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{
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u32 val = bpmem.tevind[i].hex & 0x1fffff; // 21 bits
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switch (i % 3)
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{
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case 0: pcurvalue[0] = val; break;
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case 1: pcurvalue[0] |= val << 21; pcurvalue[1] = val >> 11; ++pcurvalue; break;
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case 2: pcurvalue[0] |= val << 10; ++pcurvalue; break;
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default: PanicAlert("Uknown case for Ind Stages: %08x", (i % 3));
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}
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}
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// yeah, well ....
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uid->indstages = (u32)(pcurvalue - &uid->values[0] - (hdr - 1) - uid->tevstages);
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}
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// old tev->pixelshader notes
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//
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// color for this stage (alpha, color) is given by bpmem.tevorders[0].colorchan0
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// konstant for this stage (alpha, color) is given by bpmem.tevksel
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// inputs are given by bpmem.combiners[0].colorC.a/b/c/d << could be current chan color
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// according to GXTevColorArg table above
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// output is given by .outreg
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// tevtemp is set according to swapmodetables and
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static void WriteStage(char *&p, int n, u32 texture_mask, API_TYPE ApiType);
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static void SampleTexture(char *&p, const char *destination, const char *texcoords, const char *texswap, int texmap, u32 texture_mask, API_TYPE ApiType);
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// static void WriteAlphaCompare(char *&p, int num, int comp);
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static bool WriteAlphaTest(char *&p, API_TYPE ApiType);
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static void WriteFog(char *&p);
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const float epsilon8bit = 1.0f / 255.0f;
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static const char *tevKSelTableC[] = // KCSEL
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{
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"1.0f,1.0f,1.0f", // 1 = 0x00
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"(223.0f/255.0f),(223.0f/255.0f),(223.0f/255.0f)", // 7_8 = 0x01
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"(191.0f/255.0f),(191.0f/255.0f),(191.0f/255.0f)", // 3_4 = 0x02
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"(159.0f/255.0f),(159.0f/255.0f),(159.0f/255.0f)", // 5_8 = 0x03
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"(127.0f/255.0f),(127.0f/255.0f),(127.0f/255.0f)", // 1_2 = 0x04
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"(95.0f/255.0f),(95.0f/255.0f),(95.0f/255.0f)", // 3_8 = 0x05
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"(63.0f/255.0f),(63.0f/255.0f),(63.0f/255.0f)", // 1_4 = 0x06
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"(31.0f/255.0f),(31.0f/255.0f),(31.0f/255.0f)", // 1_8 = 0x07
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"ERROR", // 0x08
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"ERROR", // 0x09
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"ERROR", // 0x0a
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"ERROR", // 0x0b
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I_KCOLORS"[0].rgb", // K0 = 0x0C
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I_KCOLORS"[1].rgb", // K1 = 0x0D
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I_KCOLORS"[2].rgb", // K2 = 0x0E
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I_KCOLORS"[3].rgb", // K3 = 0x0F
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I_KCOLORS"[0].rrr", // K0_R = 0x10
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I_KCOLORS"[1].rrr", // K1_R = 0x11
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I_KCOLORS"[2].rrr", // K2_R = 0x12
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I_KCOLORS"[3].rrr", // K3_R = 0x13
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I_KCOLORS"[0].ggg", // K0_G = 0x14
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I_KCOLORS"[1].ggg", // K1_G = 0x15
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I_KCOLORS"[2].ggg", // K2_G = 0x16
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I_KCOLORS"[3].ggg", // K3_G = 0x17
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I_KCOLORS"[0].bbb", // K0_B = 0x18
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I_KCOLORS"[1].bbb", // K1_B = 0x19
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I_KCOLORS"[2].bbb", // K2_B = 0x1A
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I_KCOLORS"[3].bbb", // K3_B = 0x1B
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I_KCOLORS"[0].aaa", // K0_A = 0x1C
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I_KCOLORS"[1].aaa", // K1_A = 0x1D
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I_KCOLORS"[2].aaa", // K2_A = 0x1E
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I_KCOLORS"[3].aaa", // K3_A = 0x1F
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};
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static const char *tevKSelTableA[] = // KASEL
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{
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"1.0f", // 1 = 0x00
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"(223.0f/255.0f)",// 7_8 = 0x01
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"(191.0f/255.0f)", // 3_4 = 0x02
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"(159.0f/255.0f)",// 5_8 = 0x03
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"(127.0f/255.0f)", // 1_2 = 0x04
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"(95.0f/255.0f)",// 3_8 = 0x05
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"(63.0f/255.0f)", // 1_4 = 0x06
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"(31.0f/255.0f)",// 1_8 = 0x07
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"ERROR", // 0x08
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"ERROR", // 0x09
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"ERROR", // 0x0a
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"ERROR", // 0x0b
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"ERROR", // 0x0c
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"ERROR", // 0x0d
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"ERROR", // 0x0e
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"ERROR", // 0x0f
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I_KCOLORS"[0].r", // K0_R = 0x10
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I_KCOLORS"[1].r", // K1_R = 0x11
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I_KCOLORS"[2].r", // K2_R = 0x12
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I_KCOLORS"[3].r", // K3_R = 0x13
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I_KCOLORS"[0].g", // K0_G = 0x14
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I_KCOLORS"[1].g", // K1_G = 0x15
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I_KCOLORS"[2].g", // K2_G = 0x16
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I_KCOLORS"[3].g", // K3_G = 0x17
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I_KCOLORS"[0].b", // K0_B = 0x18
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I_KCOLORS"[1].b", // K1_B = 0x19
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I_KCOLORS"[2].b", // K2_B = 0x1A
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I_KCOLORS"[3].b", // K3_B = 0x1B
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I_KCOLORS"[0].a", // K0_A = 0x1C
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I_KCOLORS"[1].a", // K1_A = 0x1D
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I_KCOLORS"[2].a", // K2_A = 0x1E
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I_KCOLORS"[3].a", // K3_A = 0x1F
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};
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static const char *tevScaleTable[] = // CS
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{
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"1.0f", // SCALE_1
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"2.0f", // SCALE_2
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"4.0f", // SCALE_4
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"0.5f", // DIVIDE_2
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};
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static const char *tevBiasTable[] = // TB
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{
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"", // ZERO,
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"+(127.0f/255.0f)", // ADDHALF,
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"-(127.0f/255.0f)", // SUBHALF,
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"",
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};
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static const char *tevOpTable[] = { // TEV
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"+", // TEVOP_ADD = 0,
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"-", // TEVOP_SUB = 1,
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};
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static const char *tevCInputTable[] = // CC
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{
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"(prev.rgb)", // CPREV,
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"(prev.aaa)", // APREV,
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"(c0.rgb)", // C0,
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"(c0.aaa)", // A0,
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"(c1.rgb)", // C1,
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"(c1.aaa)", // A1,
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"(c2.rgb)", // C2,
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"(c2.aaa)", // A2,
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"(textemp.rgb)", // TEXC,
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"(textemp.aaa)", // TEXA,
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"(rastemp.rgb)", // RASC,
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"(rastemp.aaa)", // RASA,
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"float3(1.0f,1.0f,1.0f)", // ONE
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"float3((127.0f/255.0f),(127.0f/255.0f),(127.0f/255.0f))", // HALF
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"(konsttemp.rgb)", //"konsttemp.rgb", // KONST
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"float3(0.0f,0.0f,0.0f)", // ZERO
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///aded extra values to map clamped values
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"(cprev.rgb)", // CPREV,
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"(cprev.aaa)", // APREV,
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"(cc0.rgb)", // C0,
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"(cc0.aaa)", // A0,
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"(cc1.rgb)", // C1,
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"(cc1.aaa)", // A1,
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"(cc2.rgb)", // C2,
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"(cc2.aaa)", // A2,
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"(textemp.rgb)", // TEXC,
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"(textemp.aaa)", // TEXA,
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"(rastemp.rgb)", // RASC,
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"(rastemp.aaa)", // RASA,
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"float3(1.0f,1.0f,1.0f)", // ONE
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"float3((127.0f/255.0f),(127.0f/255.0f),(127.0f/255.0f))", // HALF
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"(konsttemp.rgb)", //"konsttemp.rgb", // KONST
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"float3(0.0f,0.0f,0.0f)", // ZERO
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"PADERROR", "PADERROR", "PADERROR", "PADERROR",
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};
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static const char *tevAInputTable[] = // CA
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{
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"prev", // APREV,
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"c0", // A0,
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"c1", // A1,
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"c2", // A2,
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"textemp", // TEXA,
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"rastemp", // RASA,
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"konsttemp", // KONST, (hw1 had quarter)
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"float4(0.0f,0.0f,0.0f,0.0f)", // ZERO
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///aded extra values to map clamped values
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"cprev", // APREV,
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"cc0", // A0,
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"cc1", // A1,
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"cc2", // A2,
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"textemp", // TEXA,
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"rastemp", // RASA,
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"konsttemp", // KONST, (hw1 had quarter)
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"float4(0.0f,0.0f,0.0f,0.0f)", // ZERO
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"PADERROR", "PADERROR", "PADERROR", "PADERROR",
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"PADERROR", "PADERROR", "PADERROR", "PADERROR",
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};
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static const char *tevRasTable[] =
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{
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"colors_0",
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"colors_1",
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"ERROR", //2
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"ERROR", //3
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"ERROR", //4
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"alphabump", // use bump alpha
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"(alphabump*(255.0f/248.0f))", //normalized
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"float4(0.0f,0.0f,0.0f,0.0f)", // zero
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};
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static const char *alphaRef[2] =
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{
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I_ALPHA"[0].r",
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I_ALPHA"[0].g"
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};
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//static const char *tevTexFunc[] = { "tex2D", "texRECT" };
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static const char *tevCOutputTable[] = { "prev.rgb", "c0.rgb", "c1.rgb", "c2.rgb" };
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static const char *tevAOutputTable[] = { "prev.a", "c0.a", "c1.a", "c2.a" };
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static const char *tevIndAlphaSel[] = {"", "x", "y", "z"};
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//static const char *tevIndAlphaScale[] = {"", "*32","*16","*8"};
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static const char *tevIndAlphaScale[] = {"*(248.0f/255.0f)", "*(224.0f/255.0f)","*(240.0f/255.0f)","*(248.0f/255.0f)"};
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static const char *tevIndBiasField[] = {"", "x", "y", "xy", "z", "xz", "yz", "xyz"}; // indexed by bias
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static const char *tevIndBiasAdd[] = {"-128.0f", "1.0f", "1.0f", "1.0f" }; // indexed by fmt
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static const char *tevIndWrapStart[] = {"0.0f", "256.0f", "128.0f", "64.0f", "32.0f", "16.0f", "0.001f" };
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static const char *tevIndFmtScale[] = {"255.0f", "31.0f", "15.0f", "7.0f" };
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#define WRITE p+=sprintf
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static const char *swapColors = "rgba";
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static char swapModeTable[4][5];
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static char text[16384];
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static void BuildSwapModeTable()
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{
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for (int i = 0; i < 4; i++)
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{
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swapModeTable[i][0] = swapColors[bpmem.tevksel[i*2].swap1];
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swapModeTable[i][1] = swapColors[bpmem.tevksel[i*2].swap2];
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swapModeTable[i][2] = swapColors[bpmem.tevksel[i*2+1].swap1];
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swapModeTable[i][3] = swapColors[bpmem.tevksel[i*2+1].swap2];
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swapModeTable[i][4] = 0;
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}
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}
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const char *GeneratePixelShaderCode(u32 texture_mask, bool dstAlphaEnable, API_TYPE ApiType)
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{
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setlocale(LC_NUMERIC, "C"); // Reset locale for compilation
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text[sizeof(text) - 1] = 0x7C; // canary
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DVSTARTPROFILE();
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BuildSwapModeTable();
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int numStages = bpmem.genMode.numtevstages + 1;
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int numTexgen = bpmem.genMode.numtexgens;
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char *p = text;
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WRITE(p, "//Pixel Shader for TEV stages\n");
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WRITE(p, "//%i TEV stages, %i texgens, %i IND stages\n",
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numStages, numTexgen, bpmem.genMode.numindstages);
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int nIndirectStagesUsed = 0;
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if (bpmem.genMode.numindstages > 0)
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{
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for (int i = 0; i < numStages; ++i)
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{
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if (bpmem.tevind[i].IsActive() && bpmem.tevind[i].bt < bpmem.genMode.numindstages)
|
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nIndirectStagesUsed |= 1 << bpmem.tevind[i].bt;
|
|
}
|
|
}
|
|
|
|
// Declare samplers
|
|
if (texture_mask)
|
|
{
|
|
if (ApiType == API_D3D11)
|
|
{
|
|
WRITE(p, "sampler ");
|
|
}
|
|
else if (ApiType == API_D3D9)
|
|
{
|
|
WRITE(p, "uniform sampler ");
|
|
}
|
|
else
|
|
{
|
|
WRITE(p, "uniform samplerRECT ");
|
|
}
|
|
bool bfirst = true;
|
|
for (int i = 0; i < 8; ++i)
|
|
{
|
|
if (texture_mask & (1<<i))
|
|
{
|
|
WRITE(p, "%s samp%d : register(s%d)", bfirst?"":",", i, i);
|
|
bfirst = false;
|
|
}
|
|
}
|
|
WRITE(p, ";\n");
|
|
if(ApiType == API_D3D11)
|
|
{
|
|
bfirst = true;
|
|
WRITE(p, "Texture2D ");
|
|
for (int i = 0; i < 8; ++i)
|
|
{
|
|
if (texture_mask & (1<<i))
|
|
{
|
|
WRITE(p, "%s Tex%d : register(t%d)", bfirst?"":",", i, i);
|
|
bfirst = false;
|
|
}
|
|
}
|
|
WRITE(p, ";\n");
|
|
}
|
|
}
|
|
|
|
if (texture_mask != 0xff)
|
|
{
|
|
if(ApiType != API_D3D11)
|
|
{
|
|
WRITE(p, "uniform sampler2D ");
|
|
}
|
|
else
|
|
{
|
|
WRITE(p, "sampler ");
|
|
}
|
|
|
|
bool bfirst = true;
|
|
for (int i = 0; i < 8; ++i)
|
|
{
|
|
if (!(texture_mask & (1<<i))) {
|
|
WRITE(p, "%s samp%d : register(s%d)", bfirst?"":",",i, i);
|
|
bfirst = false;
|
|
}
|
|
}
|
|
WRITE(p, ";\n");
|
|
if(ApiType == API_D3D11)
|
|
{
|
|
WRITE(p, "Texture2D ");
|
|
bfirst = true;
|
|
for (int i = 0; i < 8; ++i)
|
|
{
|
|
if (!(texture_mask & (1<<i)))
|
|
{
|
|
WRITE(p, "%s Tex%d : register(t%d)", bfirst?"":",", i, i);
|
|
bfirst = false;
|
|
}
|
|
}
|
|
WRITE(p, ";\n");
|
|
}
|
|
}
|
|
|
|
WRITE(p, "\n");
|
|
|
|
WRITE(p, "uniform float4 "I_COLORS"[4] : register(c%d);\n", C_COLORS);
|
|
WRITE(p, "uniform float4 "I_KCOLORS"[4] : register(c%d);\n", C_KCOLORS);
|
|
WRITE(p, "uniform float4 "I_ALPHA"[1] : register(c%d);\n", C_ALPHA);
|
|
WRITE(p, "uniform float4 "I_TEXDIMS"[8] : register(c%d);\n", C_TEXDIMS);
|
|
WRITE(p, "uniform float4 "I_ZBIAS"[2] : register(c%d);\n", C_ZBIAS);
|
|
WRITE(p, "uniform float4 "I_INDTEXSCALE"[2] : register(c%d);\n", C_INDTEXSCALE);
|
|
WRITE(p, "uniform float4 "I_INDTEXMTX"[6] : register(c%d);\n", C_INDTEXMTX);
|
|
WRITE(p, "uniform float4 "I_FOG"[2] : register(c%d);\n", C_FOG);
|
|
|
|
WRITE(p, "void main(\n");
|
|
if(ApiType != API_D3D11)
|
|
WRITE(p, " out float4 ocol0 : COLOR0,\n");
|
|
else
|
|
WRITE(p, " out float4 ocol0 : SV_Target,\n");
|
|
|
|
if(ApiType != API_D3D11)
|
|
WRITE(p, " out float depth : DEPTH,\n");
|
|
else
|
|
WRITE(p, " out float depth : SV_Depth,\n");
|
|
if(ApiType != API_D3D11)
|
|
WRITE(p, " in float4 rawpos : POSITION,\n");
|
|
else
|
|
WRITE(p, " in float4 rawpos : SV_Position,\n");
|
|
|
|
WRITE(p, " in float4 colors_0 : COLOR0,\n");
|
|
WRITE(p, " in float4 colors_1 : COLOR1\n");
|
|
|
|
// compute window position if needed because binding semantic WPOS is not widely supported
|
|
if (numTexgen < 7)
|
|
{
|
|
for (int i = 0; i < numTexgen; ++i)
|
|
WRITE(p, ", \n in float3 uv%d : TEXCOORD%d", i, i);
|
|
|
|
WRITE(p, ", \n in float4 clipPos : TEXCOORD%d", numTexgen);
|
|
}
|
|
else
|
|
{
|
|
// wpos is in w of first 4 texcoords
|
|
for (int i = 0; i < numTexgen; ++i)
|
|
WRITE(p, ", \n in float%d uv%d : TEXCOORD%d", i<4?4:3, i, i);
|
|
}
|
|
WRITE(p, " ) {\n");
|
|
|
|
char* pmainstart = p;
|
|
|
|
WRITE(p, " float4 c0="I_COLORS"[1],c1="I_COLORS"[2],c2="I_COLORS"[3],prev=float4(0.0f,0.0f,0.0f,0.0f),textemp=float4(0.0f,0.0f,0.0f,0.0f),rastemp=float4(0.0f,0.0f,0.0f,0.0f),konsttemp=float4(0.0f,0.0f,0.0f,0.0f);\n"
|
|
" float3 comp16 = float3(1.0f,255.0f,0.0f), comp24 = float3(1.0f,255.0f,255.0f*255.0f);\n"
|
|
" float4 alphabump=0;\n"
|
|
" float3 tevcoord;\n"
|
|
" float2 wrappedcoord, tempcoord;\n"
|
|
" float4 cc0,cc1,cc2,cprev;\n\n");
|
|
|
|
// HACK to handle cases where the tex gen is not enabled
|
|
if (numTexgen == 0)
|
|
{
|
|
WRITE(p, "float3 uv0 = float3(0.0f,0.0f,0.0f);\n");
|
|
}
|
|
else
|
|
{
|
|
for (int i = 0; i < numTexgen; ++i)
|
|
{
|
|
// optional perspective divides
|
|
if (xfregs.texcoords[i].texmtxinfo.projection == XF_TEXPROJ_STQ)
|
|
WRITE(p, "uv%d.xy = uv%d.xy/uv%d.z;\n", i, i, i);
|
|
|
|
// scale texture coordinates
|
|
WRITE(p, "uv%d.xy = uv%d.xy * "I_TEXDIMS"[%d].zw;\n", i, i, i);
|
|
}
|
|
}
|
|
|
|
// indirect texture map lookup
|
|
for(u32 i = 0; i < bpmem.genMode.numindstages; ++i)
|
|
{
|
|
if (nIndirectStagesUsed & (1<<i))
|
|
{
|
|
int texcoord = bpmem.tevindref.getTexCoord(i);
|
|
|
|
if (texcoord < numTexgen)
|
|
WRITE(p, "tempcoord=uv%d.xy * "I_INDTEXSCALE"[%d].%s;\n", texcoord, i/2, (i&1)?"zw":"xy");
|
|
else
|
|
WRITE(p, "tempcoord=float2(0.0f,0.0f);\n");
|
|
|
|
char buffer[32];
|
|
sprintf(buffer, "float3 indtex%d", i);
|
|
SampleTexture(p, buffer, "tempcoord", "abg", bpmem.tevindref.getTexMap(i), texture_mask,ApiType);
|
|
}
|
|
}
|
|
|
|
|
|
for (int i = 0; i < numStages; i++)
|
|
WriteStage(p, i, texture_mask,ApiType); //build the equation for this stage
|
|
if(numStages)
|
|
{
|
|
// The results of the last texenv stage are put onto the screen,
|
|
// regardless of the used destination register
|
|
WRITE(p, "prev.rgb = %s;\n",tevCOutputTable[bpmem.combiners[numStages-1].colorC.dest]);
|
|
WRITE(p, "prev.a = %s;\n",tevAOutputTable[bpmem.combiners[numStages-1].alphaC.dest]);
|
|
}
|
|
|
|
// emulation of unisgned 8 overflow when casting
|
|
WRITE(p, "prev = frac(4.0f + prev * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
|
|
|
if (!WriteAlphaTest(p, ApiType))
|
|
{
|
|
// alpha test will always fail, so restart the shader and just make it an empty function
|
|
p = pmainstart;
|
|
WRITE(p, "ocol0 = 0;\n");
|
|
WRITE(p, "depth = 1.f;\n");
|
|
WRITE(p, "discard;\n");
|
|
if(ApiType != API_D3D11)
|
|
WRITE(p, "return;\n");
|
|
}
|
|
else
|
|
{
|
|
if (numTexgen >= 7)
|
|
WRITE(p, "float4 clipPos = float4(uv0.w, uv1.w, uv2.w, uv3.w);\n");
|
|
|
|
// the screen space depth value = far z + (clip z / clip w) * z range
|
|
WRITE(p, "float zCoord = "I_ZBIAS"[1].x + (clipPos.z / clipPos.w) * "I_ZBIAS"[1].y;\n");
|
|
|
|
if (bpmem.ztex2.op != ZTEXTURE_DISABLE && !bpmem.zcontrol.zcomploc && bpmem.zmode.testenable && bpmem.zmode.updateenable)
|
|
{
|
|
// use the texture input of the last texture stage (textemp), hopefully this has been read and is in correct format...
|
|
if (bpmem.ztex2.op == ZTEXTURE_ADD)
|
|
WRITE(p, "zCoord = dot("I_ZBIAS"[0].xyzw, textemp.xyzw) + "I_ZBIAS"[1].w + zCoord;\n");
|
|
else
|
|
WRITE(p, "zCoord = dot("I_ZBIAS"[0].xyzw, textemp.xyzw) + "I_ZBIAS"[1].w;\n");
|
|
|
|
// scale to make result from frac correct
|
|
WRITE(p, "zCoord = zCoord * (16777215.0f/16777216.0f);\n");
|
|
WRITE(p, "zCoord = frac(zCoord);\n");
|
|
WRITE(p, "zCoord = zCoord * (16777216.0f/16777215.0f);\n");
|
|
}
|
|
|
|
WRITE(p, "depth = zCoord;\n");
|
|
|
|
if (dstAlphaEnable)
|
|
WRITE(p, " ocol0 = float4(prev.rgb,"I_ALPHA"[0].a);\n");
|
|
else
|
|
{
|
|
WriteFog(p);
|
|
WRITE(p, " ocol0 = prev;\n");
|
|
}
|
|
}
|
|
|
|
WRITE(p, "}\n");
|
|
|
|
if (text[sizeof(text) - 1] != 0x7C)
|
|
PanicAlert("PixelShader generator - buffer too small, canary has been eaten!");
|
|
|
|
setlocale(LC_NUMERIC, ""); // restore locale
|
|
return text;
|
|
}
|
|
|
|
|
|
|
|
//table with the color compare operations
|
|
static const char *TEVCMPColorOPTable[16] =
|
|
{
|
|
"float3(0.0f,0.0f,0.0f)",//0
|
|
"float3(0.0f,0.0f,0.0f)",//1
|
|
"float3(0.0f,0.0f,0.0f)",//2
|
|
"float3(0.0f,0.0f,0.0f)",//3
|
|
"float3(0.0f,0.0f,0.0f)",//4
|
|
"float3(0.0f,0.0f,0.0f)",//5
|
|
"float3(0.0f,0.0f,0.0f)",//6
|
|
"float3(0.0f,0.0f,0.0f)",//7
|
|
" %s + ((%s.r >= %s.r + (0.25f/255.0f)) ? %s : float3(0.0f,0.0f,0.0f))",//#define TEVCMP_R8_GT 8
|
|
" %s + ((abs(%s.r - %s.r) < (0.5f/255.0f)) ? %s : float3(0.0f,0.0f,0.0f))",//#define TEVCMP_R8_EQ 9
|
|
" %s + (( dot(%s.rgb, comp16) >= (dot(%s.rgb, comp16) + (0.25f/255.0f))) ? %s : float3(0.0f,0.0f,0.0f))",//#define TEVCMP_GR16_GT 10
|
|
" %s + (abs(dot(%s.rgb, comp16) - dot(%s.rgb, comp16)) < (0.5f/255.0f) ? %s : float3(0.0f,0.0f,0.0f))",//#define TEVCMP_GR16_EQ 11
|
|
" %s + (( dot(%s.rgb, comp24) >= (dot(%s.rgb, comp24) + (0.25f/255.0f))) ? %s : float3(0.0f,0.0f,0.0f))",//#define TEVCMP_BGR24_GT 12
|
|
" %s + (abs(dot(%s.rgb, comp24) - dot(%s.rgb, comp24)) < (0.5f/255.0f) ? %s : float3(0.0f,0.0f,0.0f))",//#define TEVCMP_BGR24_EQ 13
|
|
" %s + (max(sign(%s.rgb - %s.rgb - (0.25f/255.0f)),float3(0.0f,0.0f,0.0f)) * %s)",//#define TEVCMP_RGB8_GT 14
|
|
" %s + ((float3(1.0f,1.0f,1.0f) - max(sign(abs(%s.rgb - %s.rgb) - (0.5f/255.0f)),float3(0.0f,0.0f,0.0f))) * %s)"//#define TEVCMP_RGB8_EQ 15
|
|
};
|
|
|
|
//table with the alpha compare operations
|
|
static const char *TEVCMPAlphaOPTable[16] =
|
|
{
|
|
"0.0f",//0
|
|
"0.0f",//1
|
|
"0.0f",//2
|
|
"0.0f",//3
|
|
"0.0f",//4
|
|
"0.0f",//5
|
|
"0.0f",//6
|
|
"0.0f",//7
|
|
" %s.a + ((%s.r >= (%s.r + (0.25f/255.0f))) ? %s.a : 0.0f)",//#define TEVCMP_R8_GT 8
|
|
" %s.a + (abs(%s.r - %s.r) < (0.5f/255.0f) ? %s.a : 0.0f)",//#define TEVCMP_R8_EQ 9
|
|
" %s.a + ((dot(%s.rgb, comp16) >= (dot(%s.rgb, comp16) + (0.25f/255.0f))) ? %s.a : 0.0f)",//#define TEVCMP_GR16_GT 10
|
|
" %s.a + (abs(dot(%s.rgb, comp16) - dot(%s.rgb, comp16)) < (0.5f/255.0f) ? %s.a : 0.0f)",//#define TEVCMP_GR16_EQ 11
|
|
" %s.a + ((dot(%s.rgb, comp24) >= (dot(%s.rgb, comp24) + (0.25f/255.0f))) ? %s.a : 0.0f)",//#define TEVCMP_BGR24_GT 12
|
|
" %s.a + (abs(dot(%s.rgb, comp24) - dot(%s.rgb, comp24)) < (0.5f/255.0f) ? %s.a : 0.0f)",//#define TEVCMP_BGR24_EQ 13
|
|
" %s.a + ((%s.a >= (%s.a + (0.25f/255.0f))) ? %s.a : 0.0f)",//#define TEVCMP_A8_GT 14
|
|
" %s.a + (abs(%s.a - %s.a) < (0.5f/255.0f) ? %s.a : 0.0f)"//#define TEVCMP_A8_EQ 15
|
|
|
|
};
|
|
|
|
|
|
static void WriteStage(char *&p, int n, u32 texture_mask, API_TYPE ApiType)
|
|
{
|
|
char *rasswap = swapModeTable[bpmem.combiners[n].alphaC.rswap];
|
|
char *texswap = swapModeTable[bpmem.combiners[n].alphaC.tswap];
|
|
|
|
|
|
int texcoord = bpmem.tevorders[n/2].getTexCoord(n&1);
|
|
bool bHasTexCoord = (u32)texcoord < bpmem.genMode.numtexgens;
|
|
bool bHasIndStage = bpmem.tevind[n].IsActive() && bpmem.tevind[n].bt < bpmem.genMode.numindstages;
|
|
|
|
// HACK to handle cases where the tex gen is not enabled
|
|
if (!bHasTexCoord)
|
|
texcoord = 0;
|
|
|
|
if (bHasIndStage)
|
|
{
|
|
// perform the indirect op on the incoming regular coordinates using indtex%d as the offset coords
|
|
if (bpmem.tevind[n].bs != ITBA_OFF)
|
|
{
|
|
WRITE(p, "alphabump = indtex%d.%s %s;\n",
|
|
bpmem.tevind[n].bt,
|
|
tevIndAlphaSel[bpmem.tevind[n].bs],
|
|
tevIndAlphaScale[bpmem.tevind[n].fmt]);
|
|
}
|
|
// format
|
|
WRITE(p, "float3 indtevcrd%d = indtex%d * %s;\n", n, bpmem.tevind[n].bt, tevIndFmtScale[bpmem.tevind[n].fmt]);
|
|
|
|
// bias
|
|
if (bpmem.tevind[n].bias != ITB_NONE )
|
|
WRITE(p, "indtevcrd%d.%s += %s;\n", n, tevIndBiasField[bpmem.tevind[n].bias], tevIndBiasAdd[bpmem.tevind[n].fmt]);
|
|
|
|
// multiply by offset matrix and scale
|
|
if (bpmem.tevind[n].mid != 0)
|
|
{
|
|
if (bpmem.tevind[n].mid <= 3)
|
|
{
|
|
int mtxidx = 2*(bpmem.tevind[n].mid-1);
|
|
WRITE(p, "float2 indtevtrans%d = float2(dot("I_INDTEXMTX"[%d].xyz, indtevcrd%d), dot("I_INDTEXMTX"[%d].xyz, indtevcrd%d));\n",
|
|
n, mtxidx, n, mtxidx+1, n);
|
|
}
|
|
else if (bpmem.tevind[n].mid <= 7 && bHasTexCoord)
|
|
{ // s matrix
|
|
int mtxidx = 2*(bpmem.tevind[n].mid-5);
|
|
WRITE(p, "float2 indtevtrans%d = "I_INDTEXMTX"[%d].ww * uv%d.xy * indtevcrd%d.xx;\n", n, mtxidx, texcoord, n);
|
|
}
|
|
else if (bpmem.tevind[n].mid <= 11 && bHasTexCoord)
|
|
{ // t matrix
|
|
int mtxidx = 2*(bpmem.tevind[n].mid-9);
|
|
WRITE(p, "float2 indtevtrans%d = "I_INDTEXMTX"[%d].ww * uv%d.xy * indtevcrd%d.yy;\n", n, mtxidx, texcoord, n);
|
|
}
|
|
else
|
|
WRITE(p, "float2 indtevtrans%d = 0;\n", n);
|
|
}
|
|
else
|
|
WRITE(p, "float2 indtevtrans%d = 0;\n", n);
|
|
|
|
// ---------
|
|
// Wrapping
|
|
// ---------
|
|
|
|
// wrap S
|
|
if (bpmem.tevind[n].sw == ITW_OFF)
|
|
WRITE(p, "wrappedcoord.x = uv%d.x;\n", texcoord);
|
|
else if (bpmem.tevind[n].sw == ITW_0)
|
|
WRITE(p, "wrappedcoord.x = 0.0f;\n");
|
|
else
|
|
WRITE(p, "wrappedcoord.x = fmod( uv%d.x, %s );\n", texcoord, tevIndWrapStart[bpmem.tevind[n].sw]);
|
|
|
|
// wrap T
|
|
if (bpmem.tevind[n].tw == ITW_OFF)
|
|
WRITE(p, "wrappedcoord.y = uv%d.y;\n", texcoord);
|
|
else if (bpmem.tevind[n].tw == ITW_0)
|
|
WRITE(p, "wrappedcoord.y = 0.0f;\n");
|
|
else
|
|
WRITE(p, "wrappedcoord.y = fmod( uv%d.y, %s );\n", texcoord, tevIndWrapStart[bpmem.tevind[n].tw]);
|
|
|
|
if (bpmem.tevind[n].fb_addprev) // add previous tevcoord
|
|
WRITE(p, "tevcoord.xy += wrappedcoord + indtevtrans%d;\n", n);
|
|
else
|
|
WRITE(p, "tevcoord.xy = wrappedcoord + indtevtrans%d;\n", n);
|
|
}
|
|
|
|
WRITE(p, "rastemp=%s.%s;\n", tevRasTable[bpmem.tevorders[n / 2].getColorChan(n & 1)],rasswap);
|
|
|
|
if (bpmem.tevorders[n/2].getEnable(n&1))
|
|
{
|
|
int texmap = bpmem.tevorders[n/2].getTexMap(n&1);
|
|
if(!bHasIndStage)
|
|
{
|
|
// calc tevcord
|
|
if(bHasTexCoord)
|
|
WRITE(p, "tevcoord.xy = uv%d.xy;\n", texcoord);
|
|
else
|
|
WRITE(p, "tevcoord.xy = float2(0.0f,0.0f);\n");
|
|
}
|
|
|
|
SampleTexture(p, "textemp", "tevcoord", texswap, texmap, texture_mask, ApiType);
|
|
}
|
|
else
|
|
WRITE(p, "textemp=float4(1.0f,1.0f,1.0f,1.0f);\n");
|
|
|
|
int kc = bpmem.tevksel[n / 2].getKC(n & 1);
|
|
int ka = bpmem.tevksel[n / 2].getKA(n & 1);
|
|
|
|
TevStageCombiner::ColorCombiner &cc = bpmem.combiners[n].colorC;
|
|
TevStageCombiner::AlphaCombiner &ac = bpmem.combiners[n].alphaC;
|
|
|
|
bool bCKonst = cc.a == TEVCOLORARG_KONST || cc.b == TEVCOLORARG_KONST || cc.c == TEVCOLORARG_KONST || cc.d == TEVCOLORARG_KONST;
|
|
bool bAKonst = ac.a == TEVALPHAARG_KONST || ac.b == TEVALPHAARG_KONST || ac.c == TEVALPHAARG_KONST || ac.d == TEVALPHAARG_KONST;
|
|
if (bCKonst || bAKonst )
|
|
WRITE(p, "konsttemp=float4(%s,%s);\n",tevKSelTableC[kc],tevKSelTableA[ka]);
|
|
|
|
if(cc.a == TEVCOLORARG_CPREV
|
|
|| cc.a == TEVCOLORARG_APREV
|
|
|| cc.b == TEVCOLORARG_CPREV
|
|
|| cc.b == TEVCOLORARG_APREV
|
|
|| cc.c == TEVCOLORARG_CPREV
|
|
|| cc.c == TEVCOLORARG_APREV
|
|
|| ac.a == TEVALPHAARG_APREV
|
|
|| ac.b == TEVALPHAARG_APREV
|
|
|| ac.c == TEVALPHAARG_APREV)
|
|
WRITE(p, "cprev = frac(4.0f + prev * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
|
|
|
if(cc.a == TEVCOLORARG_C0
|
|
|| cc.a == TEVCOLORARG_A0
|
|
|| cc.b == TEVCOLORARG_C0
|
|
|| cc.b == TEVCOLORARG_A0
|
|
|| cc.c == TEVCOLORARG_C0
|
|
|| cc.c == TEVCOLORARG_A0
|
|
|| ac.a == TEVALPHAARG_A0
|
|
|| ac.b == TEVALPHAARG_A0
|
|
|| ac.c == TEVALPHAARG_A0)
|
|
WRITE(p, "cc0 = frac(4.0f + c0 * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
|
|
|
if(cc.a == TEVCOLORARG_C1
|
|
|| cc.a == TEVCOLORARG_A1
|
|
|| cc.b == TEVCOLORARG_C1
|
|
|| cc.b == TEVCOLORARG_A1
|
|
|| cc.c == TEVCOLORARG_C1
|
|
|| cc.c == TEVCOLORARG_A1
|
|
|| ac.a == TEVALPHAARG_A1
|
|
|| ac.b == TEVALPHAARG_A1
|
|
|| ac.c == TEVALPHAARG_A1)
|
|
WRITE(p, "cc1 = frac(4.0f + c1 * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
|
|
|
if(cc.a == TEVCOLORARG_C2
|
|
|| cc.a == TEVCOLORARG_A2
|
|
|| cc.b == TEVCOLORARG_C2
|
|
|| cc.b == TEVCOLORARG_A2
|
|
|| cc.c == TEVCOLORARG_C2
|
|
|| cc.c == TEVCOLORARG_A2
|
|
|| ac.a == TEVALPHAARG_A2
|
|
|| ac.b == TEVALPHAARG_A2
|
|
|| ac.c == TEVALPHAARG_A2)
|
|
WRITE(p, "cc2 = frac(4.0f + c2 * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
|
|
|
if (cc.clamp)
|
|
WRITE(p, "%s=saturate(", tevCOutputTable[cc.dest]);
|
|
else
|
|
WRITE(p, "%s=", tevCOutputTable[cc.dest]);
|
|
|
|
// combine the color channel
|
|
if (cc.bias != TevBias_COMPARE) // if not compare
|
|
{
|
|
//normal color combiner goes here
|
|
if (cc.shift > TEVSCALE_1)
|
|
WRITE(p, "%s*(",tevScaleTable[cc.shift]);
|
|
|
|
if(!(cc.d == TEVCOLORARG_ZERO && cc.op == TEVOP_ADD))
|
|
WRITE(p, "%s%s",tevCInputTable[cc.d],tevOpTable[cc.op]);
|
|
|
|
if (cc.a == cc.b)
|
|
WRITE(p,"%s",tevCInputTable[cc.a + 16]);
|
|
else if (cc.c == TEVCOLORARG_ZERO)
|
|
WRITE(p,"%s",tevCInputTable[cc.a + 16]);
|
|
else if (cc.c == TEVCOLORARG_ONE)
|
|
WRITE(p,"%s",tevCInputTable[cc.b + 16]);
|
|
else if (cc.a == TEVCOLORARG_ZERO)
|
|
WRITE(p,"%s*%s",tevCInputTable[cc.b + 16],tevCInputTable[cc.c + 16]);
|
|
else if (cc.b == TEVCOLORARG_ZERO)
|
|
WRITE(p,"%s*(float3(1.0f,1.0f,1.0f)-%s)",tevCInputTable[cc.a + 16],tevCInputTable[cc.c + 16]);
|
|
else
|
|
WRITE(p, "lerp(%s,%s,%s)",tevCInputTable[cc.a + 16], tevCInputTable[cc.b + 16],tevCInputTable[cc.c + 16]);
|
|
|
|
WRITE(p, "%s",tevBiasTable[cc.bias]);
|
|
|
|
if(cc.shift>0)
|
|
WRITE(p, ")");
|
|
}
|
|
else
|
|
{
|
|
int cmp = (cc.shift<<1)|cc.op|8; // comparemode stored here
|
|
WRITE(p, TEVCMPColorOPTable[cmp],//lookup the function from the op table
|
|
tevCInputTable[cc.d],
|
|
tevCInputTable[cc.a + 16],
|
|
tevCInputTable[cc.b + 16],
|
|
tevCInputTable[cc.c + 16]);
|
|
}
|
|
if (cc.clamp)
|
|
WRITE(p,")");
|
|
WRITE(p,";\n");
|
|
|
|
// combine the alpha channel
|
|
if (ac.clamp)
|
|
WRITE(p, "%s=saturate(", tevAOutputTable[ac.dest]);
|
|
else
|
|
WRITE(p, "%s=", tevAOutputTable[ac.dest]);
|
|
|
|
if (ac.bias != TevBias_COMPARE) // if not compare
|
|
{
|
|
//normal alpha combiner goes here
|
|
if (ac.shift > TEVSCALE_1)
|
|
WRITE(p, "%s*(",tevScaleTable[ac.shift]);
|
|
|
|
if(!(ac.d == TEVALPHAARG_ZERO && ac.op == TEVOP_ADD))
|
|
WRITE(p, "%s.a%s",tevAInputTable[ac.d],tevOpTable[ac.op]);
|
|
|
|
if (ac.a == ac.b)
|
|
WRITE(p,"%s.a",tevAInputTable[ac.a + 8]);
|
|
else if (ac.c == TEVALPHAARG_ZERO)
|
|
WRITE(p,"%s.a",tevAInputTable[ac.a + 8]);
|
|
else if (ac.a == TEVALPHAARG_ZERO)
|
|
WRITE(p,"%s.a*%s.a",tevAInputTable[ac.b + 8],tevAInputTable[ac.c + 8]);
|
|
else if (ac.b == TEVALPHAARG_ZERO)
|
|
WRITE(p,"%s.a*(1.0f-%s.a)",tevAInputTable[ac.a + 8],tevAInputTable[ac.c + 8]);
|
|
else
|
|
WRITE(p, "lerp(%s.a,%s.a,%s.a)",tevAInputTable[ac.a + 8],tevAInputTable[ac.b + 8],tevAInputTable[ac.c + 8]);
|
|
|
|
WRITE(p, "%s",tevBiasTable[ac.bias]);
|
|
|
|
if (ac.shift>0)
|
|
WRITE(p, ")");
|
|
|
|
}
|
|
else
|
|
{
|
|
//compare alpha combiner goes here
|
|
int cmp = (ac.shift<<1)|ac.op|8; // comparemode stored here
|
|
WRITE(p, TEVCMPAlphaOPTable[cmp],
|
|
tevAInputTable[ac.d],
|
|
tevAInputTable[ac.a + 8],
|
|
tevAInputTable[ac.b + 8],
|
|
tevAInputTable[ac.c + 8]);
|
|
}
|
|
if (ac.clamp)
|
|
WRITE(p, ")");
|
|
WRITE(p, ";\n\n");
|
|
}
|
|
|
|
void SampleTexture(char *&p, const char *destination, const char *texcoords, const char *texswap, int texmap, u32 texture_mask, API_TYPE ApiType)
|
|
{
|
|
if (texture_mask & (1<<texmap)) {
|
|
// non pow 2
|
|
bool bwraps = (texture_mask & (0x100<<texmap)) ? true : false;
|
|
bool bwrapt = (texture_mask & (0x10000<<texmap)) ? true : false;
|
|
|
|
if (bwraps || bwrapt) {
|
|
if (bwraps) {
|
|
WRITE(p, "tempcoord.x = fmod(%s.x, "I_TEXDIMS"[%d].x);\n", texcoords, texmap);
|
|
}
|
|
else {
|
|
WRITE(p, "tempcoord.x = %s.x;\n", texcoords);
|
|
}
|
|
|
|
if (bwrapt) {
|
|
WRITE(p, "tempcoord.y = fmod(%s.y, "I_TEXDIMS"[%d].y);\n", texcoords, texmap);
|
|
}
|
|
else {
|
|
WRITE(p, "tempcoord.y = %s.y;\n", texcoords);
|
|
}
|
|
if (ApiType == API_D3D11)
|
|
WRITE(p, "%s= Tex%d.Sample(samp%d,tempcoord.xy).%s;\n", destination, texmap,texmap, texswap);
|
|
else if (ApiType == API_D3D9)
|
|
WRITE(p, "%s=tex2D(samp%d,tempcoord.xy).%s;\n", destination, texmap, texswap);
|
|
else
|
|
WRITE(p, "%s=texRECT(samp%d,tempcoord.xy).%s;\n", destination, texmap, texswap);
|
|
}
|
|
else {
|
|
if (ApiType == API_D3D11)
|
|
WRITE(p, "%s=Tex%d.Sample(samp%d,%s.xy).%s;\n", destination,texmap,texmap, texcoords, texswap);
|
|
else if (ApiType == API_D3D9)
|
|
WRITE(p, "%s=tex2D(samp%d,%s.xy).%s;\n", destination, texmap, texcoords, texswap);
|
|
else
|
|
WRITE(p, "%s=texRECT(samp%d,%s.xy).%s;\n", destination, texmap, texcoords, texswap);
|
|
}
|
|
}
|
|
else {
|
|
if (ApiType == API_D3D11)
|
|
WRITE(p, "%s=Tex%d.Sample(samp%d,%s.xy * "I_TEXDIMS"[%d].xy).%s;\n", destination, texmap,texmap, texcoords, texmap, texswap);
|
|
else
|
|
WRITE(p, "%s=tex2D(samp%d,%s.xy * "I_TEXDIMS"[%d].xy).%s;\n", destination, texmap, texcoords, texmap, texswap);
|
|
}
|
|
}
|
|
|
|
static const char *tevAlphaFuncsTable[] =
|
|
{
|
|
"(false)", //ALPHACMP_NEVER 0
|
|
"(prev.a <= %s - (0.25f/255.0f))", //ALPHACMP_LESS 1
|
|
"(abs( prev.a - %s ) < (0.5f/255.0f))", //ALPHACMP_EQUAL 2
|
|
"(prev.a < %s + (0.25f/255.0f))", //ALPHACMP_LEQUAL 3
|
|
"(prev.a >= %s + (0.25f/255.0f))", //ALPHACMP_GREATER 4
|
|
"(abs( prev.a - %s ) >= (0.5f/255.0f))", //ALPHACMP_NEQUAL 5
|
|
"(prev.a > %s - (0.25f/255.0f))", //ALPHACMP_GEQUAL 6
|
|
"(true)" //ALPHACMP_ALWAYS 7
|
|
};
|
|
|
|
static const char *tevAlphaFunclogicTable[] =
|
|
{
|
|
" && ", // and
|
|
" || ", // or
|
|
" != ", // xor
|
|
" == " // xnor
|
|
};
|
|
|
|
static bool WriteAlphaTest(char *&p, API_TYPE ApiType)
|
|
{
|
|
u32 op = bpmem.alphaFunc.logic;
|
|
u32 comp[2] = {bpmem.alphaFunc.comp0,bpmem.alphaFunc.comp1};
|
|
|
|
//first kill all the simple cases
|
|
switch(op)
|
|
{
|
|
case 0: // AND
|
|
if (comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_ALWAYS) return true;
|
|
if (comp[0] == ALPHACMP_NEVER || comp[1] == ALPHACMP_NEVER) return false;
|
|
break;
|
|
case 1: // OR
|
|
if (comp[0] == ALPHACMP_ALWAYS || comp[1] == ALPHACMP_ALWAYS) return true;
|
|
if (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_NEVER)return false;
|
|
break;
|
|
case 2: // XOR
|
|
if ((comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_NEVER) || (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_ALWAYS))
|
|
return true;
|
|
if ((comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_ALWAYS) || (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_NEVER))
|
|
return false;
|
|
break;
|
|
case 3: // XNOR
|
|
if ((comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_NEVER) || (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_ALWAYS))
|
|
return false;
|
|
if ((comp[0] == ALPHACMP_ALWAYS && comp[1] == ALPHACMP_ALWAYS) || (comp[0] == ALPHACMP_NEVER && comp[1] == ALPHACMP_NEVER))
|
|
return true;
|
|
break;
|
|
default: PanicAlert("bad logic for alpha test? %08x", op);
|
|
}
|
|
|
|
|
|
// using discard then return works the same in cg and dx9 but not in dx11
|
|
WRITE(p, "if(!( ");
|
|
|
|
int compindex = bpmem.alphaFunc.comp0 % 8;
|
|
WRITE(p, tevAlphaFuncsTable[compindex],alphaRef[0]);//lookup the first component from the alpha function table
|
|
|
|
WRITE(p, "%s", tevAlphaFunclogicTable[bpmem.alphaFunc.logic % 4]);//lookup the logic op
|
|
|
|
compindex = bpmem.alphaFunc.comp1 % 8;
|
|
WRITE(p, tevAlphaFuncsTable[compindex],alphaRef[1]);//lookup the second component from the alpha function table
|
|
|
|
WRITE(p, ")){ocol0 = 0;depth = 1.f;discard;%s}\n",(ApiType != API_D3D11)? "return;" : "");
|
|
|
|
return true;
|
|
}
|
|
|
|
static const char *tevFogFuncsTable[] =
|
|
{
|
|
"", //No Fog
|
|
"", //?
|
|
"", //Linear
|
|
"", //?
|
|
" fog = 1.0f - pow(2, -8.0f * fog);\n", //exp
|
|
" fog = 1.0f - pow(2, -8.0f * fog * fog);\n", //exp2
|
|
" fog = pow(2, -8.0f * (1.0f - fog));\n", //backward exp
|
|
" fog = 1.0f - fog;\n fog = pow(2, -8.0f * fog * fog);\n" //backward exp2
|
|
};
|
|
|
|
static void WriteFog(char *&p)
|
|
{
|
|
if(bpmem.fog.c_proj_fsel.fsel == 0)return;//no Fog
|
|
|
|
if (bpmem.fog.c_proj_fsel.proj == 0)
|
|
{
|
|
// perspective
|
|
// ze = A/(B - Zs)
|
|
WRITE (p, " float ze = "I_FOG"[1].x / ("I_FOG"[1].y - depth);\n");
|
|
}
|
|
else
|
|
{
|
|
// orthographic
|
|
// ze = a*Zs
|
|
WRITE (p, " float ze = "I_FOG"[1].x * depth;\n");
|
|
}
|
|
|
|
WRITE (p, " float fog = saturate(ze - "I_FOG"[1].z);\n");
|
|
|
|
if(bpmem.fog.c_proj_fsel.fsel > 3)
|
|
{
|
|
WRITE(p, "%s", tevFogFuncsTable[bpmem.fog.c_proj_fsel.fsel]);
|
|
}
|
|
else
|
|
{
|
|
if(bpmem.fog.c_proj_fsel.fsel != 2)
|
|
WARN_LOG(VIDEO, "Unknown Fog Type! %08x", bpmem.fog.c_proj_fsel.fsel);
|
|
}
|
|
|
|
WRITE(p, " prev.rgb = lerp(prev.rgb,"I_FOG"[0].rgb,fog);\n");
|
|
|
|
}
|