mirror of
https://github.com/dolphin-emu/dolphin.git
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1230 lines
44 KiB
C++
1230 lines
44 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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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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#ifdef __APPLE__
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#include <xlocale.h>
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#endif
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#include "LightingShaderGen.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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#include "VideoConfig.h"
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#include "NativeVertexFormat.h"
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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 channel 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 const char *tevKSelTableC[] = // KCSEL
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{
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"1.0f,1.0f,1.0f", // 1 = 0x00
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"0.875f,0.875f,0.875f", // 7_8 = 0x01
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"0.75f,0.75f,0.75f", // 3_4 = 0x02
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"0.625f,0.625f,0.625f", // 5_8 = 0x03
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"0.5f,0.5f,0.5f", // 1_2 = 0x04
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"0.375f,0.375f,0.375f", // 3_8 = 0x05
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"0.25f,0.25f,0.25f", // 1_4 = 0x06
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"0.125f,0.125f,0.125f", // 1_8 = 0x07
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"ERROR1", // 0x08
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"ERROR2", // 0x09
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"ERROR3", // 0x0a
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"ERROR4", // 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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"0.875f",// 7_8 = 0x01
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"0.75f", // 3_4 = 0x02
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"0.625f",// 5_8 = 0x03
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"0.5f", // 1_2 = 0x04
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"0.375f",// 3_8 = 0x05
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"0.25f", // 1_4 = 0x06
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"0.125f",// 1_8 = 0x07
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"ERROR5", // 0x08
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"ERROR6", // 0x09
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"ERROR7", // 0x0a
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"ERROR8", // 0x0b
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"ERROR9", // 0x0c
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"ERROR10", // 0x0d
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"ERROR11", // 0x0e
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"ERROR12", // 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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"+0.5f", // ADDHALF,
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"-0.5f", // 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(0.5f, 0.5f, 0.5f)", // 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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///added 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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"(crastemp.rgb)", // RASC,
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"(crastemp.aaa)", // RASA,
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"float3(1.0f, 1.0f, 1.0f)", // ONE
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"float3(0.5f, 0.5f, 0.5f)", // HALF
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"(ckonsttemp.rgb)", //"konsttemp.rgb", // KONST
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"float3(0.0f, 0.0f, 0.0f)", // ZERO
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"PADERROR1", "PADERROR2", "PADERROR3", "PADERROR4"
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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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///added 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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"crastemp", // RASA,
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"ckonsttemp", // KONST, (hw1 had quarter)
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"float4(0.0f, 0.0f, 0.0f, 0.0f)", // ZERO
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"PADERROR5", "PADERROR6", "PADERROR7", "PADERROR8",
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"PADERROR9", "PADERROR10", "PADERROR11", "PADERROR12",
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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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"ERROR13", //2
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"ERROR14", //3
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"ERROR15", //4
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"float4(alphabump,alphabump,alphabump,alphabump)", // use bump alpha
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"(float4(alphabump,alphabump,alphabump,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 *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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struct RegisterState
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{
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bool ColorNeedOverflowControl;
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bool AlphaNeedOverflowControl;
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bool AuxStored;
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};
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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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static const char *swapColors = "rgba";
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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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template<class T> static void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, API_TYPE ApiType, RegisterState RegisterStates[4]);
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template<class T> static void SampleTexture(T& out, const char *destination, const char *texcoords, const char *texswap, int texmap, API_TYPE ApiType);
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template<class T> static void WriteAlphaTest(T& out, pixel_shader_uid_data& uid_data, API_TYPE ApiType,DSTALPHA_MODE dstAlphaMode, bool per_pixel_depth);
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template<class T> static void WriteFog(T& out, pixel_shader_uid_data& uid_data);
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template<class T>
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static void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType, u32 components)
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{
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// Non-uid template parameters will write to the dummy data (=> gets optimized out)
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pixel_shader_uid_data dummy_data;
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pixel_shader_uid_data& uid_data = (&out.template GetUidData<pixel_shader_uid_data>() != NULL)
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? out.template GetUidData<pixel_shader_uid_data>() : dummy_data;
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out.SetBuffer(text);
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#ifndef ANDROID
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locale_t locale;
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locale_t old_locale;
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if (out.GetBuffer() != NULL)
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{
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locale = newlocale(LC_NUMERIC_MASK, "C", NULL); // New locale for compilation
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old_locale = uselocale(locale); // Apply the locale for this thread
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}
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#endif
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text[sizeof(text) - 1] = 0x7C; // canary
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unsigned int numStages = bpmem.genMode.numtevstages + 1;
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unsigned int numTexgen = bpmem.genMode.numtexgens;
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const bool per_pixel_depth = (bpmem.ztex2.op != ZTEXTURE_DISABLE && !bpmem.zcontrol.early_ztest && bpmem.zmode.testenable) || !g_ActiveConfig.bFastDepthCalc;
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out.Write("//Pixel Shader for TEV stages\n");
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out.Write("//%i TEV stages, %i texgens, %i IND stages\n",
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numStages, numTexgen, bpmem.genMode.numindstages);
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uid_data.dstAlphaMode = dstAlphaMode;
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uid_data.genMode_numindstages = bpmem.genMode.numindstages;
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uid_data.genMode_numtevstages = bpmem.genMode.numtevstages;
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uid_data.genMode_numtexgens = bpmem.genMode.numtexgens;
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if (ApiType == API_OPENGL)
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{
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// Fmod implementation gleaned from Nvidia
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// At http://http.developer.nvidia.com/Cg/fmod.html
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out.Write("float fmod( float x, float y )\n");
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out.Write("{\n");
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out.Write("\tfloat z = fract( abs( x / y) ) * abs( y );\n");
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out.Write("\treturn (x < 0.0) ? -z : z;\n");
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out.Write("}\n");
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// Declare samplers
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for (int i = 0; i < 8; ++i)
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out.Write("uniform sampler2D samp%d;\n", i);
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}
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else
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{
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// Declare samplers
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for (int i = 0; i < 8; ++i)
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out.Write("%s samp%d : register(s%d);\n", (ApiType == API_D3D11) ? "sampler" : "uniform sampler2D", i, i);
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if (ApiType == API_D3D11)
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{
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out.Write("\n");
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for (int i = 0; i < 8; ++i)
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{
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out.Write("Texture2D Tex%d : register(t%d);\n", i, i);
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}
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}
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}
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out.Write("\n");
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if (g_ActiveConfig.backend_info.bSupportsGLSLUBO)
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out.Write("layout(std140) uniform PSBlock {\n");
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DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_COLORS, "float4", I_COLORS"[4]");
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DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_KCOLORS, "float4", I_KCOLORS"[4]");
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DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_ALPHA, "float4", I_ALPHA"[1]"); // TODO: Why is this an array...-.-
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DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_TEXDIMS, "float4", I_TEXDIMS"[8]");
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DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_ZBIAS, "float4", I_ZBIAS"[2]");
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DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_INDTEXSCALE, "float4", I_INDTEXSCALE"[2]");
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DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_INDTEXMTX, "float4", I_INDTEXMTX"[6]");
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DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_FOG, "float4", I_FOG"[3]");
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// For pixel lighting - TODO: Should only be defined when per pixel lighting is enabled!
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DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_PLIGHTS, "float4", I_PLIGHTS"[40]");
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DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_PMATERIALS, "float4", I_PMATERIALS"[4]");
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if (g_ActiveConfig.backend_info.bSupportsGLSLUBO)
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out.Write("};\n");
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if (ApiType == API_OPENGL)
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{
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out.Write("COLOROUT(ocol0)\n");
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if (dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND)
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out.Write("COLOROUT(ocol1)\n");
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if (per_pixel_depth)
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out.Write("#define depth gl_FragDepth\n");
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out.Write("float4 rawpos = gl_FragCoord;\n");
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out.Write("VARYIN float4 colors_02;\n");
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out.Write("VARYIN float4 colors_12;\n");
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out.Write("float4 colors_0 = colors_02;\n");
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out.Write("float4 colors_1 = colors_12;\n");
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// compute window position if needed because binding semantic WPOS is not widely supported
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// Let's set up attributes
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if (xfregs.numTexGen.numTexGens < 7)
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{
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for (int i = 0; i < 8; ++i)
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{
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out.Write("VARYIN float3 uv%d_2;\n", i);
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out.Write("float3 uv%d = uv%d_2;\n", i, i);
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}
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out.Write("VARYIN float4 clipPos_2;\n");
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out.Write("float4 clipPos = clipPos_2;\n");
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if (g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
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{
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out.Write("VARYIN float4 Normal_2;\n");
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out.Write("float4 Normal = Normal_2;\n");
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}
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}
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else
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{
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// wpos is in w of first 4 texcoords
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if (g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
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{
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for (int i = 0; i < 8; ++i)
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{
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out.Write("VARYIN float4 uv%d_2;\n", i);
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out.Write("float4 uv%d = uv%d_2;\n", i, i);
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}
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}
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else
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{
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for (unsigned int i = 0; i < xfregs.numTexGen.numTexGens; ++i)
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{
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out.Write("VARYIN float%d uv%d_2;\n", i < 4 ? 4 : 3 , i);
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out.Write("float%d uv%d = uv%d_2;\n", i < 4 ? 4 : 3 , i, i);
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}
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}
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out.Write("float4 clipPos;\n");
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}
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out.Write("void main()\n{\n");
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}
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else
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{
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out.Write("void main(\n");
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if(ApiType != API_D3D11)
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{
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out.Write(" out float4 ocol0 : COLOR0,%s%s\n in float4 rawpos : %s,\n",
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dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND ? "\n out float4 ocol1 : COLOR1," : "",
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per_pixel_depth ? "\n out float depth : DEPTH," : "",
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ApiType & API_D3D9_SM20 ? "POSITION" : "VPOS");
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}
|
|
else
|
|
{
|
|
out.Write(" out float4 ocol0 : SV_Target0,%s%s\n in float4 rawpos : SV_Position,\n",
|
|
dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND ? "\n out float4 ocol1 : SV_Target1," : "",
|
|
per_pixel_depth ? "\n out float depth : SV_Depth," : "");
|
|
}
|
|
|
|
// "centroid" attribute is only supported by D3D11
|
|
const char* optCentroid = (ApiType == API_D3D11 ? "centroid" : "");
|
|
|
|
out.Write(" in %s float4 colors_0 : COLOR0,\n", optCentroid);
|
|
out.Write(" in %s float4 colors_1 : COLOR1", optCentroid);
|
|
|
|
// compute window position if needed because binding semantic WPOS is not widely supported
|
|
if (numTexgen < 7)
|
|
{
|
|
for (unsigned int i = 0; i < numTexgen; ++i)
|
|
out.Write(",\n in %s float3 uv%d : TEXCOORD%d", optCentroid, i, i);
|
|
out.Write(",\n in %s float4 clipPos : TEXCOORD%d", optCentroid, numTexgen);
|
|
if(g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
|
|
out.Write(",\n in %s float4 Normal : TEXCOORD%d", optCentroid, numTexgen + 1);
|
|
out.Write(" ) {\n");
|
|
}
|
|
else
|
|
{
|
|
// wpos is in w of first 4 texcoords
|
|
if(g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
|
|
{
|
|
for (int i = 0; i < 8; ++i)
|
|
out.Write(",\n in float4 uv%d : TEXCOORD%d", i, i);
|
|
}
|
|
else
|
|
{
|
|
for (unsigned int i = 0; i < xfregs.numTexGen.numTexGens; ++i)
|
|
out.Write(",\n in float%d uv%d : TEXCOORD%d", i < 4 ? 4 : 3 , i, i);
|
|
}
|
|
out.Write(" ) {\n");
|
|
out.Write("\tfloat4 clipPos = float4(0.0f, 0.0f, 0.0f, 0.0f);");
|
|
}
|
|
}
|
|
|
|
out.Write(" 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"
|
|
" float alphabump=0.0f;\n"
|
|
" float3 tevcoord=float3(0.0f, 0.0f, 0.0f);\n"
|
|
" float2 wrappedcoord=float2(0.0f,0.0f), tempcoord=float2(0.0f,0.0f);\n"
|
|
" float4 cc0=float4(0.0f,0.0f,0.0f,0.0f), cc1=float4(0.0f,0.0f,0.0f,0.0f);\n"
|
|
" float4 cc2=float4(0.0f,0.0f,0.0f,0.0f), cprev=float4(0.0f,0.0f,0.0f,0.0f);\n"
|
|
" float4 crastemp=float4(0.0f,0.0f,0.0f,0.0f),ckonsttemp=float4(0.0f,0.0f,0.0f,0.0f);\n\n");
|
|
|
|
if (g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
|
|
{
|
|
uid_data.xfregs_numTexGen_numTexGens = xfregs.numTexGen.numTexGens;
|
|
if (xfregs.numTexGen.numTexGens < 7)
|
|
{
|
|
out.Write("\tfloat3 _norm0 = normalize(Normal.xyz);\n\n");
|
|
out.Write("\tfloat3 pos = float3(clipPos.x,clipPos.y,Normal.w);\n");
|
|
}
|
|
else
|
|
{
|
|
out.Write("\tfloat3 _norm0 = normalize(float3(uv4.w,uv5.w,uv6.w));\n\n");
|
|
out.Write("\tfloat3 pos = float3(uv0.w,uv1.w,uv7.w);\n");
|
|
}
|
|
|
|
out.Write("\tfloat4 mat, lacc;\n"
|
|
"\tfloat3 ldir, h;\n"
|
|
"\tfloat dist, dist2, attn;\n");
|
|
|
|
out.SetConstantsUsed(C_PLIGHTS, C_PLIGHTS+39); // TODO: Can be optimized further
|
|
out.SetConstantsUsed(C_PMATERIALS, C_PMATERIALS+3);
|
|
uid_data.components = components;
|
|
GenerateLightingShader<T>(out, uid_data.lighting, components, I_PMATERIALS, I_PLIGHTS, "colors_", "colors_");
|
|
}
|
|
|
|
if (numTexgen < 7)
|
|
out.Write("\tclipPos = float4(rawpos.x, rawpos.y, clipPos.z, clipPos.w);\n");
|
|
else
|
|
out.Write("\tclipPos = float4(rawpos.x, rawpos.y, uv2.w, uv3.w);\n");
|
|
|
|
// HACK to handle cases where the tex gen is not enabled
|
|
if (numTexgen == 0)
|
|
{
|
|
out.Write("\tfloat3 uv0 = float3(0.0f, 0.0f, 0.0f);\n");
|
|
}
|
|
else
|
|
{
|
|
out.SetConstantsUsed(C_TEXDIMS, C_TEXDIMS+numTexgen-1);
|
|
for (unsigned int i = 0; i < numTexgen; ++i)
|
|
{
|
|
// optional perspective divides
|
|
uid_data.texMtxInfo_n_projection |= xfregs.texMtxInfo[i].projection << i;
|
|
if (xfregs.texMtxInfo[i].projection == XF_TEXPROJ_STQ)
|
|
{
|
|
out.Write("\tif (uv%d.z != 0.0f)", i);
|
|
out.Write("\t\tuv%d.xy = uv%d.xy / uv%d.z;\n", i, i, i);
|
|
}
|
|
|
|
out.Write("uv%d.xy = uv%d.xy * " I_TEXDIMS"[%d].zw;\n", i, i, i);
|
|
}
|
|
}
|
|
|
|
// indirect texture map lookup
|
|
int nIndirectStagesUsed = 0;
|
|
if (bpmem.genMode.numindstages > 0)
|
|
{
|
|
for (unsigned int i = 0; i < numStages; ++i)
|
|
{
|
|
if (bpmem.tevind[i].IsActive() && bpmem.tevind[i].bt < bpmem.genMode.numindstages)
|
|
nIndirectStagesUsed |= 1 << bpmem.tevind[i].bt;
|
|
}
|
|
}
|
|
|
|
uid_data.nIndirectStagesUsed = nIndirectStagesUsed;
|
|
for (u32 i = 0; i < bpmem.genMode.numindstages; ++i)
|
|
{
|
|
if (nIndirectStagesUsed & (1 << i))
|
|
{
|
|
unsigned int texcoord = bpmem.tevindref.getTexCoord(i);
|
|
unsigned int texmap = bpmem.tevindref.getTexMap(i);
|
|
|
|
uid_data.SetTevindrefValues(i, texcoord, texmap);
|
|
if (texcoord < numTexgen)
|
|
{
|
|
out.SetConstantsUsed(C_INDTEXSCALE+i/2,C_INDTEXSCALE+i/2);
|
|
out.Write("\ttempcoord = uv%d.xy * " I_INDTEXSCALE"[%d].%s;\n", texcoord, i/2, (i&1)?"zw":"xy");
|
|
}
|
|
else
|
|
out.Write("\ttempcoord = float2(0.0f, 0.0f);\n");
|
|
|
|
char buffer[32];
|
|
sprintf(buffer, "float3 indtex%d", i);
|
|
SampleTexture<T>(out, buffer, "tempcoord", "abg", texmap, ApiType);
|
|
}
|
|
}
|
|
|
|
RegisterState RegisterStates[4];
|
|
RegisterStates[0].AlphaNeedOverflowControl = false;
|
|
RegisterStates[0].ColorNeedOverflowControl = false;
|
|
RegisterStates[0].AuxStored = false;
|
|
for(int i = 1; i < 4; i++)
|
|
{
|
|
RegisterStates[i].AlphaNeedOverflowControl = true;
|
|
RegisterStates[i].ColorNeedOverflowControl = true;
|
|
RegisterStates[i].AuxStored = false;
|
|
}
|
|
|
|
// Uid fields for BuildSwapModeTable are set in WriteStage
|
|
BuildSwapModeTable();
|
|
for (unsigned int i = 0; i < numStages; i++)
|
|
WriteStage<T>(out, uid_data, i, ApiType, RegisterStates); // build the equation for this stage
|
|
|
|
#define MY_STRUCT_OFFSET(str,elem) ((u32)((u64)&(str).elem-(u64)&(str)))
|
|
bool enable_pl = g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting;
|
|
uid_data.num_values = (enable_pl) ? sizeof(uid_data)/sizeof(32) : MY_STRUCT_OFFSET(uid_data,stagehash[numStages])/sizeof(u32);
|
|
|
|
|
|
if (numStages)
|
|
{
|
|
// The results of the last texenv stage are put onto the screen,
|
|
// regardless of the used destination register
|
|
if(bpmem.combiners[numStages - 1].colorC.dest != 0)
|
|
{
|
|
bool retrieveFromAuxRegister = !RegisterStates[bpmem.combiners[numStages - 1].colorC.dest].ColorNeedOverflowControl && RegisterStates[bpmem.combiners[numStages - 1].colorC.dest].AuxStored;
|
|
out.Write("\tprev.rgb = %s%s;\n", retrieveFromAuxRegister ? "c" : "" , tevCOutputTable[bpmem.combiners[numStages - 1].colorC.dest]);
|
|
RegisterStates[0].ColorNeedOverflowControl = RegisterStates[bpmem.combiners[numStages - 1].colorC.dest].ColorNeedOverflowControl;
|
|
}
|
|
if(bpmem.combiners[numStages - 1].alphaC.dest != 0)
|
|
{
|
|
bool retrieveFromAuxRegister = !RegisterStates[bpmem.combiners[numStages - 1].alphaC.dest].AlphaNeedOverflowControl && RegisterStates[bpmem.combiners[numStages - 1].alphaC.dest].AuxStored;
|
|
out.Write("\tprev.a = %s%s;\n", retrieveFromAuxRegister ? "c" : "" , tevAOutputTable[bpmem.combiners[numStages - 1].alphaC.dest]);
|
|
RegisterStates[0].AlphaNeedOverflowControl = RegisterStates[bpmem.combiners[numStages - 1].alphaC.dest].AlphaNeedOverflowControl;
|
|
}
|
|
}
|
|
// emulation of unsigned 8 overflow when casting if needed
|
|
if(RegisterStates[0].AlphaNeedOverflowControl || RegisterStates[0].ColorNeedOverflowControl)
|
|
out.Write("\tprev = frac(prev * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
|
|
|
AlphaTest::TEST_RESULT Pretest = bpmem.alpha_test.TestResult();
|
|
uid_data.Pretest = Pretest;
|
|
if (Pretest == AlphaTest::UNDETERMINED)
|
|
WriteAlphaTest<T>(out, uid_data, ApiType, dstAlphaMode, per_pixel_depth);
|
|
|
|
|
|
// D3D9 doesn't support readback of depth in pixel shader, so we always have to calculate it again.
|
|
// This shouldn't be a performance issue as the written depth is usually still from perspective division
|
|
// but this isn't true for z-textures, so there will be depth issues between enabled and disabled z-textures fragments
|
|
if ((ApiType == API_OPENGL || ApiType == API_D3D11) && g_ActiveConfig.bFastDepthCalc)
|
|
out.Write("float zCoord = rawpos.z;\n");
|
|
else
|
|
{
|
|
out.SetConstantsUsed(C_ZBIAS+1, C_ZBIAS+1);
|
|
// the screen space depth value = far z + (clip z / clip w) * z range
|
|
out.Write("float zCoord = " I_ZBIAS"[1].x + (clipPos.z / clipPos.w) * " I_ZBIAS"[1].y;\n");
|
|
}
|
|
|
|
// depth texture can safely be ignored if the result won't be written to the depth buffer (early_ztest) and isn't used for fog either
|
|
const bool skip_ztexture = !per_pixel_depth && !bpmem.fog.c_proj_fsel.fsel;
|
|
|
|
uid_data.ztex_op = bpmem.ztex2.op;
|
|
uid_data.per_pixel_depth = per_pixel_depth;
|
|
uid_data.fast_depth_calc = g_ActiveConfig.bFastDepthCalc;
|
|
uid_data.fog_fsel = bpmem.fog.c_proj_fsel.fsel;
|
|
|
|
// Note: z-textures are not written to depth buffer if early depth test is used
|
|
if (per_pixel_depth && bpmem.zcontrol.early_ztest)
|
|
out.Write("depth = zCoord;\n");
|
|
|
|
if (bpmem.ztex2.op != ZTEXTURE_DISABLE && !skip_ztexture)
|
|
{
|
|
// use the texture input of the last texture stage (textemp), hopefully this has been read and is in correct format...
|
|
out.SetConstantsUsed(C_ZBIAS, C_ZBIAS+1);
|
|
out.Write("zCoord = dot(" I_ZBIAS"[0].xyzw, textemp.xyzw) + " I_ZBIAS"[1].w %s;\n",
|
|
(bpmem.ztex2.op == ZTEXTURE_ADD) ? "+ zCoord" : "");
|
|
|
|
// U24 overflow emulation
|
|
out.Write("zCoord = zCoord * (16777215.0f/16777216.0f);\n");
|
|
out.Write("zCoord = frac(zCoord);\n");
|
|
out.Write("zCoord = zCoord * (16777216.0f/16777215.0f);\n");
|
|
|
|
// Note: depth texture output is only written to depth buffer if late depth test is used
|
|
// final depth value is used for fog calculation, though
|
|
if (per_pixel_depth)
|
|
out.Write("depth = zCoord;\n");
|
|
}
|
|
else if (per_pixel_depth && !bpmem.zcontrol.early_ztest)
|
|
out.Write("depth = zCoord;\n");
|
|
|
|
if (dstAlphaMode == DSTALPHA_ALPHA_PASS)
|
|
{
|
|
out.SetConstantsUsed(C_ALPHA, C_ALPHA);
|
|
out.Write("\tocol0 = float4(prev.rgb, " I_ALPHA"[0].a);\n");
|
|
}
|
|
else
|
|
{
|
|
WriteFog<T>(out, uid_data);
|
|
out.Write("\tocol0 = prev;\n");
|
|
}
|
|
|
|
// Use dual-source color blending to perform dst alpha in a single pass
|
|
if (dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND)
|
|
{
|
|
out.SetConstantsUsed(C_ALPHA, C_ALPHA);
|
|
if(ApiType & API_D3D9)
|
|
{
|
|
// alpha component must be 0 or the shader will not compile (Direct3D 9Ex restriction)
|
|
// Colors will be blended against the color from ocol1 in D3D 9...
|
|
out.Write("\tocol1 = float4(prev.a, prev.a, prev.a, 0.0f);\n");
|
|
}
|
|
else
|
|
{
|
|
// Colors will be blended against the alpha from ocol1...
|
|
out.Write("\tocol1 = prev;\n");
|
|
}
|
|
// ...and the alpha from ocol0 will be written to the framebuffer.
|
|
out.Write("\tocol0.a = " I_ALPHA"[0].a;\n");
|
|
}
|
|
|
|
out.Write("}\n");
|
|
|
|
if (text[sizeof(text) - 1] != 0x7C)
|
|
PanicAlert("PixelShader generator - buffer too small, canary has been eaten!");
|
|
|
|
#ifndef ANDROID
|
|
if (out.GetBuffer() != NULL)
|
|
{
|
|
uselocale(old_locale); // restore locale
|
|
freelocale(locale);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
//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
|
|
};
|
|
|
|
template<class T>
|
|
static void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, API_TYPE ApiType, RegisterState RegisterStates[4])
|
|
{
|
|
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;
|
|
|
|
out.Write("// TEV stage %d\n", n);
|
|
|
|
uid_data.stagehash[n].hasindstage = bHasIndStage;
|
|
uid_data.stagehash[n].tevorders_texcoord = texcoord;
|
|
if (bHasIndStage)
|
|
{
|
|
uid_data.stagehash[n].tevind = bpmem.tevind[n].hex & 0x7FFFFF;
|
|
|
|
out.Write("// indirect op\n");
|
|
// perform the indirect op on the incoming regular coordinates using indtex%d as the offset coords
|
|
if (bpmem.tevind[n].bs != ITBA_OFF)
|
|
{
|
|
out.Write("alphabump = indtex%d.%s %s;\n",
|
|
bpmem.tevind[n].bt,
|
|
tevIndAlphaSel[bpmem.tevind[n].bs],
|
|
tevIndAlphaScale[bpmem.tevind[n].fmt]);
|
|
}
|
|
// format
|
|
out.Write("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 )
|
|
out.Write("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);
|
|
out.SetConstantsUsed(C_INDTEXMTX+mtxidx, C_INDTEXMTX+mtxidx);
|
|
out.Write("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
|
|
_assert_(bpmem.tevind[n].mid >= 5);
|
|
int mtxidx = 2*(bpmem.tevind[n].mid-5);
|
|
out.SetConstantsUsed(C_INDTEXMTX+mtxidx, C_INDTEXMTX+mtxidx);
|
|
out.Write("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
|
|
_assert_(bpmem.tevind[n].mid >= 9);
|
|
int mtxidx = 2*(bpmem.tevind[n].mid-9);
|
|
out.SetConstantsUsed(C_INDTEXMTX+mtxidx, C_INDTEXMTX+mtxidx);
|
|
out.Write("float2 indtevtrans%d = " I_INDTEXMTX"[%d].ww * uv%d.xy * indtevcrd%d.yy;\n", n, mtxidx, texcoord, n);
|
|
}
|
|
else
|
|
{
|
|
out.Write("float2 indtevtrans%d = float2(0.0f, 0.0f);\n", n);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
out.Write("float2 indtevtrans%d = float2(0.0f, 0.0f);\n", n);
|
|
}
|
|
|
|
// ---------
|
|
// Wrapping
|
|
// ---------
|
|
|
|
// wrap S
|
|
if (bpmem.tevind[n].sw == ITW_OFF)
|
|
out.Write("wrappedcoord.x = uv%d.x;\n", texcoord);
|
|
else if (bpmem.tevind[n].sw == ITW_0)
|
|
out.Write("wrappedcoord.x = 0.0f;\n");
|
|
else
|
|
out.Write("wrappedcoord.x = fmod( uv%d.x, %s );\n", texcoord, tevIndWrapStart[bpmem.tevind[n].sw]);
|
|
|
|
// wrap T
|
|
if (bpmem.tevind[n].tw == ITW_OFF)
|
|
out.Write("wrappedcoord.y = uv%d.y;\n", texcoord);
|
|
else if (bpmem.tevind[n].tw == ITW_0)
|
|
out.Write("wrappedcoord.y = 0.0f;\n");
|
|
else
|
|
out.Write("wrappedcoord.y = fmod( uv%d.y, %s );\n", texcoord, tevIndWrapStart[bpmem.tevind[n].tw]);
|
|
|
|
if (bpmem.tevind[n].fb_addprev) // add previous tevcoord
|
|
out.Write("tevcoord.xy += wrappedcoord + indtevtrans%d;\n", n);
|
|
else
|
|
out.Write("tevcoord.xy = wrappedcoord + indtevtrans%d;\n", n);
|
|
}
|
|
|
|
TevStageCombiner::ColorCombiner &cc = bpmem.combiners[n].colorC;
|
|
TevStageCombiner::AlphaCombiner &ac = bpmem.combiners[n].alphaC;
|
|
|
|
uid_data.stagehash[n].cc = cc.hex & 0xFFFFFF;
|
|
uid_data.stagehash[n].ac = ac.hex & 0xFFFFF0; // Storing rswap and tswap later
|
|
|
|
if(cc.a == TEVCOLORARG_RASA || cc.a == TEVCOLORARG_RASC
|
|
|| cc.b == TEVCOLORARG_RASA || cc.b == TEVCOLORARG_RASC
|
|
|| cc.c == TEVCOLORARG_RASA || cc.c == TEVCOLORARG_RASC
|
|
|| cc.d == TEVCOLORARG_RASA || cc.d == TEVCOLORARG_RASC
|
|
|| ac.a == TEVALPHAARG_RASA || ac.b == TEVALPHAARG_RASA
|
|
|| ac.c == TEVALPHAARG_RASA || ac.d == TEVALPHAARG_RASA)
|
|
{
|
|
const int i = bpmem.combiners[n].alphaC.rswap;
|
|
uid_data.stagehash[n].ac |= bpmem.combiners[n].alphaC.rswap;
|
|
uid_data.stagehash[n].tevksel_swap1a = bpmem.tevksel[i*2].swap1;
|
|
uid_data.stagehash[n].tevksel_swap2a = bpmem.tevksel[i*2].swap2;
|
|
uid_data.stagehash[n].tevksel_swap1b = bpmem.tevksel[i*2+1].swap1;
|
|
uid_data.stagehash[n].tevksel_swap2b = bpmem.tevksel[i*2+1].swap2;
|
|
uid_data.stagehash[n].tevorders_colorchan = bpmem.tevorders[n / 2].getColorChan(n & 1);
|
|
|
|
char *rasswap = swapModeTable[bpmem.combiners[n].alphaC.rswap];
|
|
out.Write("rastemp = %s.%s;\n", tevRasTable[bpmem.tevorders[n / 2].getColorChan(n & 1)], rasswap);
|
|
out.Write("crastemp = frac(rastemp * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
|
}
|
|
|
|
uid_data.stagehash[n].tevorders_enable = bpmem.tevorders[n / 2].getEnable(n & 1);
|
|
if (bpmem.tevorders[n/2].getEnable(n&1))
|
|
{
|
|
if (!bHasIndStage)
|
|
{
|
|
// calc tevcord
|
|
if(bHasTexCoord)
|
|
out.Write("tevcoord.xy = uv%d.xy;\n", texcoord);
|
|
else
|
|
out.Write("tevcoord.xy = float2(0.0f, 0.0f);\n");
|
|
}
|
|
|
|
const int i = bpmem.combiners[n].alphaC.tswap;
|
|
uid_data.stagehash[n].ac |= bpmem.combiners[n].alphaC.tswap << 2;
|
|
uid_data.stagehash[n].tevksel_swap1c = bpmem.tevksel[i*2].swap1;
|
|
uid_data.stagehash[n].tevksel_swap2c = bpmem.tevksel[i*2].swap2;
|
|
uid_data.stagehash[n].tevksel_swap1d = bpmem.tevksel[i*2+1].swap1;
|
|
uid_data.stagehash[n].tevksel_swap2d = bpmem.tevksel[i*2+1].swap2;
|
|
|
|
uid_data.stagehash[n].tevorders_texmap= bpmem.tevorders[n/2].getTexMap(n&1);
|
|
|
|
char *texswap = swapModeTable[bpmem.combiners[n].alphaC.tswap];
|
|
int texmap = bpmem.tevorders[n/2].getTexMap(n&1);
|
|
uid_data.SetTevindrefTexmap(i, texmap);
|
|
SampleTexture<T>(out, "textemp", "tevcoord", texswap, texmap, ApiType);
|
|
}
|
|
else
|
|
{
|
|
out.Write("textemp = float4(1.0f, 1.0f, 1.0f, 1.0f);\n");
|
|
}
|
|
|
|
|
|
if (cc.a == TEVCOLORARG_KONST || cc.b == TEVCOLORARG_KONST || cc.c == TEVCOLORARG_KONST || cc.d == TEVCOLORARG_KONST
|
|
|| ac.a == TEVALPHAARG_KONST || ac.b == TEVALPHAARG_KONST || ac.c == TEVALPHAARG_KONST || ac.d == TEVALPHAARG_KONST)
|
|
{
|
|
int kc = bpmem.tevksel[n / 2].getKC(n & 1);
|
|
int ka = bpmem.tevksel[n / 2].getKA(n & 1);
|
|
uid_data.stagehash[n].tevksel_kc = kc;
|
|
uid_data.stagehash[n].tevksel_ka = ka;
|
|
out.Write("konsttemp = float4(%s, %s);\n", tevKSelTableC[kc], tevKSelTableA[ka]);
|
|
if(kc > 7 || ka > 7)
|
|
{
|
|
out.Write("ckonsttemp = frac(konsttemp * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
|
}
|
|
else
|
|
{
|
|
out.Write("ckonsttemp = konsttemp;\n");
|
|
}
|
|
if (kc > 7)
|
|
out.SetConstantsUsed(C_KCOLORS+((kc-0xc)%4),C_KCOLORS+((kc-0xc)%4));
|
|
if (ka > 7)
|
|
out.SetConstantsUsed(C_KCOLORS+((ka-0xc)%4),C_KCOLORS+((ka-0xc)%4));
|
|
}
|
|
|
|
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)
|
|
{
|
|
if(RegisterStates[0].AlphaNeedOverflowControl || RegisterStates[0].ColorNeedOverflowControl)
|
|
{
|
|
out.Write("cprev = frac(prev * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
|
RegisterStates[0].AlphaNeedOverflowControl = false;
|
|
RegisterStates[0].ColorNeedOverflowControl = false;
|
|
}
|
|
else
|
|
{
|
|
out.Write("cprev = prev;\n");
|
|
}
|
|
RegisterStates[0].AuxStored = true;
|
|
}
|
|
|
|
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)
|
|
{
|
|
out.SetConstantsUsed(C_COLORS+1,C_COLORS+1);
|
|
if(RegisterStates[1].AlphaNeedOverflowControl || RegisterStates[1].ColorNeedOverflowControl)
|
|
{
|
|
out.Write("cc0 = frac(c0 * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
|
RegisterStates[1].AlphaNeedOverflowControl = false;
|
|
RegisterStates[1].ColorNeedOverflowControl = false;
|
|
}
|
|
else
|
|
{
|
|
out.Write("cc0 = c0;\n");
|
|
}
|
|
RegisterStates[1].AuxStored = true;
|
|
}
|
|
|
|
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)
|
|
{
|
|
out.SetConstantsUsed(C_COLORS+2,C_COLORS+2);
|
|
if(RegisterStates[2].AlphaNeedOverflowControl || RegisterStates[2].ColorNeedOverflowControl)
|
|
{
|
|
out.Write("cc1 = frac(c1 * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
|
RegisterStates[2].AlphaNeedOverflowControl = false;
|
|
RegisterStates[2].ColorNeedOverflowControl = false;
|
|
}
|
|
else
|
|
{
|
|
out.Write("cc1 = c1;\n");
|
|
}
|
|
RegisterStates[2].AuxStored = true;
|
|
}
|
|
|
|
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)
|
|
{
|
|
out.SetConstantsUsed(C_COLORS+3,C_COLORS+3);
|
|
if(RegisterStates[3].AlphaNeedOverflowControl || RegisterStates[3].ColorNeedOverflowControl)
|
|
{
|
|
out.Write("cc2 = frac(c2 * (255.0f/256.0f)) * (256.0f/255.0f);\n");
|
|
RegisterStates[3].AlphaNeedOverflowControl = false;
|
|
RegisterStates[3].ColorNeedOverflowControl = false;
|
|
}
|
|
else
|
|
{
|
|
out.Write("cc2 = c2;\n");
|
|
}
|
|
RegisterStates[3].AuxStored = true;
|
|
}
|
|
|
|
RegisterStates[cc.dest].ColorNeedOverflowControl = (cc.clamp == 0);
|
|
RegisterStates[cc.dest].AuxStored = false;
|
|
|
|
if (cc.d == TEVCOLORARG_C0 || cc.d == TEVCOLORARG_A0 || ac.d == TEVALPHAARG_A0)
|
|
out.SetConstantsUsed(C_COLORS+1,C_COLORS+1);
|
|
|
|
if (cc.d == TEVCOLORARG_C1 || cc.d == TEVCOLORARG_A1 || ac.d == TEVALPHAARG_A1)
|
|
out.SetConstantsUsed(C_COLORS+2,C_COLORS+2);
|
|
|
|
if (cc.d == TEVCOLORARG_C2 || cc.d == TEVCOLORARG_A2 || ac.d == TEVALPHAARG_A2)
|
|
out.SetConstantsUsed(C_COLORS+3,C_COLORS+3);
|
|
|
|
if (cc.dest >= GX_TEVREG0 && cc.dest <= GX_TEVREG2)
|
|
out.SetConstantsUsed(C_COLORS+cc.dest, C_COLORS+cc.dest);
|
|
|
|
if (ac.dest >= GX_TEVREG0 && ac.dest <= GX_TEVREG2)
|
|
out.SetConstantsUsed(C_COLORS+ac.dest, C_COLORS+ac.dest);
|
|
|
|
out.Write("// color combine\n");
|
|
if (cc.clamp)
|
|
out.Write("%s = clamp(", tevCOutputTable[cc.dest]);
|
|
else
|
|
out.Write("%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)
|
|
out.Write("%s*(", tevScaleTable[cc.shift]);
|
|
|
|
if(!(cc.d == TEVCOLORARG_ZERO && cc.op == TEVOP_ADD))
|
|
out.Write("%s%s", tevCInputTable[cc.d], tevOpTable[cc.op]);
|
|
|
|
if (cc.a == cc.b)
|
|
out.Write("%s", tevCInputTable[cc.a + 16]);
|
|
else if (cc.c == TEVCOLORARG_ZERO)
|
|
out.Write("%s", tevCInputTable[cc.a + 16]);
|
|
else if (cc.c == TEVCOLORARG_ONE)
|
|
out.Write("%s", tevCInputTable[cc.b + 16]);
|
|
else if (cc.a == TEVCOLORARG_ZERO)
|
|
out.Write("%s*%s", tevCInputTable[cc.b + 16], tevCInputTable[cc.c + 16]);
|
|
else if (cc.b == TEVCOLORARG_ZERO)
|
|
out.Write("%s*(float3(1.0f, 1.0f, 1.0f)-%s)", tevCInputTable[cc.a + 16], tevCInputTable[cc.c + 16]);
|
|
else
|
|
out.Write("lerp(%s, %s, %s)", tevCInputTable[cc.a + 16], tevCInputTable[cc.b + 16], tevCInputTable[cc.c + 16]);
|
|
|
|
out.Write("%s", tevBiasTable[cc.bias]);
|
|
|
|
if (cc.shift > TEVSCALE_1)
|
|
out.Write(")");
|
|
}
|
|
else
|
|
{
|
|
int cmp = (cc.shift<<1)|cc.op|8; // comparemode stored here
|
|
out.Write(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)
|
|
out.Write(", 0.0f, 1.0f)");
|
|
out.Write(";\n");
|
|
|
|
RegisterStates[ac.dest].AlphaNeedOverflowControl = (ac.clamp == 0);
|
|
RegisterStates[ac.dest].AuxStored = false;
|
|
|
|
out.Write("// alpha combine\n");
|
|
if (ac.clamp)
|
|
out.Write("%s = clamp(", tevAOutputTable[ac.dest]);
|
|
else
|
|
out.Write("%s = ", tevAOutputTable[ac.dest]);
|
|
|
|
if (ac.bias != TevBias_COMPARE) // if not compare
|
|
{
|
|
//normal alpha combiner goes here
|
|
if (ac.shift > TEVSCALE_1)
|
|
out.Write("%s*(", tevScaleTable[ac.shift]);
|
|
|
|
if(!(ac.d == TEVALPHAARG_ZERO && ac.op == TEVOP_ADD))
|
|
out.Write("%s.a%s", tevAInputTable[ac.d], tevOpTable[ac.op]);
|
|
|
|
if (ac.a == ac.b)
|
|
out.Write("%s.a", tevAInputTable[ac.a + 8]);
|
|
else if (ac.c == TEVALPHAARG_ZERO)
|
|
out.Write("%s.a", tevAInputTable[ac.a + 8]);
|
|
else if (ac.a == TEVALPHAARG_ZERO)
|
|
out.Write("%s.a*%s.a", tevAInputTable[ac.b + 8], tevAInputTable[ac.c + 8]);
|
|
else if (ac.b == TEVALPHAARG_ZERO)
|
|
out.Write("%s.a*(1.0f-%s.a)", tevAInputTable[ac.a + 8], tevAInputTable[ac.c + 8]);
|
|
else
|
|
out.Write("lerp(%s.a, %s.a, %s.a)", tevAInputTable[ac.a + 8], tevAInputTable[ac.b + 8], tevAInputTable[ac.c + 8]);
|
|
|
|
out.Write("%s",tevBiasTable[ac.bias]);
|
|
|
|
if (ac.shift>0)
|
|
out.Write(")");
|
|
|
|
}
|
|
else
|
|
{
|
|
//compare alpha combiner goes here
|
|
int cmp = (ac.shift<<1)|ac.op|8; // comparemode stored here
|
|
out.Write(TEVCMPAlphaOPTable[cmp],
|
|
tevAInputTable[ac.d],
|
|
tevAInputTable[ac.a + 8],
|
|
tevAInputTable[ac.b + 8],
|
|
tevAInputTable[ac.c + 8]);
|
|
}
|
|
if (ac.clamp)
|
|
out.Write(", 0.0f, 1.0f)");
|
|
out.Write(";\n\n");
|
|
out.Write("// TEV done\n");
|
|
}
|
|
|
|
template<class T>
|
|
void SampleTexture(T& out, const char *destination, const char *texcoords, const char *texswap, int texmap, API_TYPE ApiType)
|
|
{
|
|
out.SetConstantsUsed(C_TEXDIMS+texmap,C_TEXDIMS+texmap);
|
|
if (ApiType == API_D3D11)
|
|
out.Write("%s=Tex%d.Sample(samp%d,%s.xy * " I_TEXDIMS"[%d].xy).%s;\n", destination, texmap,texmap, texcoords, texmap, texswap);
|
|
else
|
|
out.Write("%s=%s(samp%d,%s.xy * " I_TEXDIMS"[%d].xy).%s;\n", destination, ApiType == API_OPENGL ? "texture" : "tex2D", texmap, texcoords, texmap, texswap);
|
|
}
|
|
|
|
static const char *tevAlphaFuncsTable[] =
|
|
{
|
|
"(false)", // NEVER
|
|
"(prev.a <= %s - (0.25f/255.0f))", // LESS
|
|
"(abs( prev.a - %s ) < (0.5f/255.0f))", // EQUAL
|
|
"(prev.a < %s + (0.25f/255.0f))", // LEQUAL
|
|
"(prev.a >= %s + (0.25f/255.0f))", // GREATER
|
|
"(abs( prev.a - %s ) >= (0.5f/255.0f))", // NEQUAL
|
|
"(prev.a > %s - (0.25f/255.0f))", // GEQUAL
|
|
"(true)" // ALWAYS
|
|
};
|
|
|
|
static const char *tevAlphaFunclogicTable[] =
|
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{
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" && ", // and
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" || ", // or
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" != ", // xor
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" == " // xnor
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};
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template<class T>
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static void WriteAlphaTest(T& out, pixel_shader_uid_data& uid_data, API_TYPE ApiType, DSTALPHA_MODE dstAlphaMode, bool per_pixel_depth)
|
|
{
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static const char *alphaRef[2] =
|
|
{
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|
I_ALPHA"[0].r",
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|
I_ALPHA"[0].g"
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|
};
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|
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out.SetConstantsUsed(C_ALPHA, C_ALPHA);
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|
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// using discard then return works the same in cg and dx9 but not in dx11
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|
out.Write("\tif(!( ");
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|
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uid_data.alpha_test_comp0 = bpmem.alpha_test.comp0;
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uid_data.alpha_test_logic = bpmem.alpha_test.comp1;
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uid_data.alpha_test_logic = bpmem.alpha_test.logic;
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|
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// Lookup the first component from the alpha function table
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int compindex = bpmem.alpha_test.comp0;
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out.Write(tevAlphaFuncsTable[compindex], alphaRef[0]);
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|
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out.Write("%s", tevAlphaFunclogicTable[bpmem.alpha_test.logic]);//lookup the logic op
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|
|
|
// Lookup the second component from the alpha function table
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|
compindex = bpmem.alpha_test.comp1;
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out.Write(tevAlphaFuncsTable[compindex], alphaRef[1]);
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out.Write(")) {\n");
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|
|
|
out.Write("\t\tocol0 = float4(0.0f, 0.0f, 0.0f, 0.0f);\n");
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if (dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND)
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|
out.Write("\t\tocol1 = float4(0.0f, 0.0f, 0.0f, 0.0f);\n");
|
|
if(per_pixel_depth)
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|
out.Write("\t\tdepth = 1.f;\n");
|
|
|
|
// HAXX: zcomploc (aka early_ztest) is a way to control whether depth test is done before
|
|
// or after texturing and alpha test. PC GPUs have no way to support this
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|
// feature properly as of 2012: depth buffer and depth test are not
|
|
// programmable and the depth test is always done after texturing.
|
|
// Most importantly, PC GPUs do not allow writing to the z-buffer without
|
|
// writing a color value (unless color writing is disabled altogether).
|
|
// We implement "depth test before texturing" by discarding the fragment
|
|
// when the alpha test fail. This is not a correct implementation because
|
|
// even if the depth test fails the fragment could be alpha blended, but
|
|
// we don't have a choice.
|
|
uid_data.alpha_test_use_zcomploc_hack = bpmem.zcontrol.early_ztest && bpmem.zmode.updateenable;
|
|
if (!(bpmem.zcontrol.early_ztest && bpmem.zmode.updateenable))
|
|
{
|
|
out.Write("\t\tdiscard;\n");
|
|
if (ApiType != API_D3D11)
|
|
out.Write("\t\treturn;\n");
|
|
}
|
|
|
|
out.Write("}\n");
|
|
}
|
|
|
|
static const char *tevFogFuncsTable[] =
|
|
{
|
|
"", // No Fog
|
|
"", // ?
|
|
"", // Linear
|
|
"", // ?
|
|
"\tfog = 1.0f - pow(2.0f, -8.0f * fog);\n", // exp
|
|
"\tfog = 1.0f - pow(2.0f, -8.0f * fog * fog);\n", // exp2
|
|
"\tfog = pow(2.0f, -8.0f * (1.0f - fog));\n", // backward exp
|
|
"\tfog = 1.0f - fog;\n fog = pow(2.0f, -8.0f * fog * fog);\n" // backward exp2
|
|
};
|
|
|
|
template<class T>
|
|
static void WriteFog(T& out, pixel_shader_uid_data& uid_data)
|
|
{
|
|
uid_data.fog_fsel = bpmem.fog.c_proj_fsel.fsel;
|
|
if(bpmem.fog.c_proj_fsel.fsel == 0)
|
|
return; // no Fog
|
|
|
|
uid_data.fog_proj = bpmem.fog.c_proj_fsel.proj;
|
|
|
|
out.SetConstantsUsed(C_FOG, C_FOG+1);
|
|
if (bpmem.fog.c_proj_fsel.proj == 0)
|
|
{
|
|
// perspective
|
|
// ze = A/(B - (Zs >> B_SHF)
|
|
out.Write("\tfloat ze = " I_FOG"[1].x / (" I_FOG"[1].y - (zCoord / " I_FOG"[1].w));\n");
|
|
}
|
|
else
|
|
{
|
|
// orthographic
|
|
// ze = a*Zs (here, no B_SHF)
|
|
out.Write("\tfloat ze = " I_FOG"[1].x * zCoord;\n");
|
|
}
|
|
|
|
// x_adjust = sqrt((x-center)^2 + k^2)/k
|
|
// ze *= x_adjust
|
|
// this is completely theoretical as the real hardware seems to use a table intead of calculating the values.
|
|
uid_data.fog_RangeBaseEnabled = bpmem.fogRange.Base.Enabled;
|
|
if (bpmem.fogRange.Base.Enabled)
|
|
{
|
|
out.SetConstantsUsed(C_FOG+2, C_FOG+2);
|
|
out.Write("\tfloat x_adjust = (2.0f * (clipPos.x / " I_FOG"[2].y)) - 1.0f - " I_FOG"[2].x;\n");
|
|
out.Write("\tx_adjust = sqrt(x_adjust * x_adjust + " I_FOG"[2].z * " I_FOG"[2].z) / " I_FOG"[2].z;\n");
|
|
out.Write("\tze *= x_adjust;\n");
|
|
}
|
|
|
|
out.Write("\tfloat fog = clamp(ze - " I_FOG"[1].z, 0.0f, 1.0f);\n");
|
|
|
|
if (bpmem.fog.c_proj_fsel.fsel > 3)
|
|
{
|
|
out.Write("%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);
|
|
}
|
|
|
|
out.Write("\tprev.rgb = lerp(prev.rgb, " I_FOG"[0].rgb, fog);\n");
|
|
}
|
|
|
|
void GetPixelShaderUid(PixelShaderUid& object, DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType, u32 components)
|
|
{
|
|
GeneratePixelShader<PixelShaderUid>(object, dstAlphaMode, ApiType, components);
|
|
}
|
|
|
|
void GeneratePixelShaderCode(PixelShaderCode& object, DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType, u32 components)
|
|
{
|
|
GeneratePixelShader<PixelShaderCode>(object, dstAlphaMode, ApiType, components);
|
|
}
|
|
|
|
void GetPixelShaderConstantProfile(PixelShaderConstantProfile& object, DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType, u32 components)
|
|
{
|
|
GeneratePixelShader<PixelShaderConstantProfile>(object, dstAlphaMode, ApiType, components);
|
|
}
|
|
|