mirror of
https://github.com/Retropex/dolphin.git
synced 2025-05-17 13:50:43 +02:00
e641323de2
for all the plugins implemented per pixel lighting, this will make games that uses lighting a lot nice. (just look at mario sunshine and compare :)) for dx9: implemented temporal anaglyph stereo: just grab your red-cyan glasses and enjoy. stereo calibration: use stereo separation ( distance of the point from you are looking) and Focal Angle: the angle necessary to focus in one particular object. this settings are different in every games as they use different depth ranges. please for any regression and bug introduced by this commit. if you ask why i did not implement stereo in dx11 and opengl the reason is one: they don't work right when i have more time will try to find a way to make them work. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6224 8ced0084-cf51-0410-be5f-012b33b47a6e
591 lines
21 KiB
C++
591 lines
21 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 <math.h>
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#include <locale.h>
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#include "Profiler.h"
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#include "NativeVertexFormat.h"
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#include "BPMemory.h"
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#include "CPMemory.h"
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#include "VertexShaderGen.h"
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#include "VideoConfig.h"
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VERTEXSHADERUID last_vertex_shader_uid;
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// Mash together all the inputs that contribute to the code of a generated vertex shader into
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// a unique identifier, basically containing all the bits. Yup, it's a lot ....
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void GetVertexShaderId(VERTEXSHADERUID *uid, u32 components)
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{
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uid->values[0] = components |
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(xfregs.numTexGens << 23) |
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(xfregs.nNumChans << 27) |
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((u32)xfregs.bEnableDualTexTransform << 29);
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for (int i = 0; i < 2; ++i) {
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uid->values[1+i] = xfregs.colChans[i].color.enablelighting ?
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(u32)xfregs.colChans[i].color.hex :
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(u32)xfregs.colChans[i].color.matsource;
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uid->values[1+i] |= (xfregs.colChans[i].alpha.enablelighting ?
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(u32)xfregs.colChans[i].alpha.hex :
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(u32)xfregs.colChans[i].alpha.matsource) << 15;
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}
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uid->values[2] |= g_ActiveConfig.bEnablePixelLigting << 31;
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u32 *pcurvalue = &uid->values[3];
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for (int i = 0; i < xfregs.numTexGens; ++i) {
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TexMtxInfo tinfo = xfregs.texcoords[i].texmtxinfo;
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if (tinfo.texgentype != XF_TEXGEN_EMBOSS_MAP)
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tinfo.hex &= 0x7ff;
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if (tinfo.texgentype != XF_TEXGEN_REGULAR)
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tinfo.projection = 0;
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u32 val = ((tinfo.hex >> 1) & 0x1ffff);
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if (xfregs.bEnableDualTexTransform && tinfo.texgentype == XF_TEXGEN_REGULAR) {
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// rewrite normalization and post index
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val |= ((u32)xfregs.texcoords[i].postmtxinfo.index << 17) | ((u32)xfregs.texcoords[i].postmtxinfo.normalize << 23);
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}
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switch (i & 3) {
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case 0: pcurvalue[0] |= val; break;
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case 1: pcurvalue[0] |= val << 24; pcurvalue[1] = val >> 8; ++pcurvalue; break;
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case 2: pcurvalue[0] |= val << 16; pcurvalue[1] = val >> 16; ++pcurvalue; break;
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case 3: pcurvalue[0] |= val << 8; ++pcurvalue; break;
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}
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}
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}
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static char text[16384];
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#define WRITE p+=sprintf
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#define LIGHTS_POS ""
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char *GenerateLightShader(char *p, int index, const LitChannel& chan, const char *dest, int coloralpha);
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const char *GenerateVertexShaderCode(u32 components, API_TYPE api_type)
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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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_assert_(bpmem.genMode.numtexgens == xfregs.numTexGens);
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_assert_(bpmem.genMode.numcolchans == xfregs.nNumChans);
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bool is_d3d = (api_type == API_D3D9 || api_type == API_D3D11);
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u32 lightMask = 0;
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if (xfregs.nNumChans > 0)
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lightMask |= xfregs.colChans[0].color.GetFullLightMask() | xfregs.colChans[0].alpha.GetFullLightMask();
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if (xfregs.nNumChans > 1)
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lightMask |= xfregs.colChans[1].color.GetFullLightMask() | xfregs.colChans[1].alpha.GetFullLightMask();
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char *p = text;
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WRITE(p, "//Vertex Shader: comp:%x, \n", components);
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WRITE(p, "typedef struct { float4 T0, T1, T2; float4 N0, N1, N2; } s_"I_POSNORMALMATRIX";\n"
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"typedef struct { float4 t; } FLT4;\n"
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"typedef struct { FLT4 T[24]; } s_"I_TEXMATRICES";\n"
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"typedef struct { FLT4 T[64]; } s_"I_TRANSFORMMATRICES";\n"
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"typedef struct { FLT4 T[32]; } s_"I_NORMALMATRICES";\n"
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"typedef struct { FLT4 T[64]; } s_"I_POSTTRANSFORMMATRICES";\n"
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"typedef struct { float4 col; float4 cosatt; float4 distatt; float4 pos; float4 dir; } Light;\n"
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"typedef struct { Light lights[8]; } s_"I_LIGHTS";\n"
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"typedef struct { float4 C0, C1, C2, C3; } s_"I_MATERIALS";\n"
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"typedef struct { float4 T0, T1, T2, T3; } s_"I_PROJECTION";\n"
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);
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WRITE(p, "struct VS_OUTPUT {\n");
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WRITE(p, " float4 pos : POSITION;\n");
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WRITE(p, " float4 colors_0 : COLOR0;\n");
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WRITE(p, " float4 colors_1 : COLOR1;\n");
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if (xfregs.numTexGens < 7) {
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for (int i = 0; i < xfregs.numTexGens; ++i)
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WRITE(p, " float3 tex%d : TEXCOORD%d;\n", i, i);
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WRITE(p, " float4 clipPos : TEXCOORD%d;\n", xfregs.numTexGens);
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if(g_ActiveConfig.bEnablePixelLigting)
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WRITE(p, " float4 Normal : TEXCOORD%d;\n", xfregs.numTexGens + 1);
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} else {
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// clip position is in w of first 4 texcoords
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if(g_ActiveConfig.bEnablePixelLigting)
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{
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for (int i = 0; i < 8; ++i)
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WRITE(p, " float4 tex%d : TEXCOORD%d;\n", i, i);
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}
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else
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{
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for (int i = 0; i < xfregs.numTexGens; ++i)
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WRITE(p, " float%d tex%d : TEXCOORD%d;\n", i < 4 ? 4 : 3 , i, i);
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}
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}
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WRITE(p, "};\n");
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// uniforms
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WRITE(p, "uniform s_"I_TRANSFORMMATRICES" "I_TRANSFORMMATRICES" : register(c%d);\n", C_TRANSFORMMATRICES);
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WRITE(p, "uniform s_"I_TEXMATRICES" "I_TEXMATRICES" : register(c%d);\n", C_TEXMATRICES); // also using tex matrices
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WRITE(p, "uniform s_"I_NORMALMATRICES" "I_NORMALMATRICES" : register(c%d);\n", C_NORMALMATRICES);
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WRITE(p, "uniform s_"I_POSNORMALMATRIX" "I_POSNORMALMATRIX" : register(c%d);\n", C_POSNORMALMATRIX);
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WRITE(p, "uniform s_"I_POSTTRANSFORMMATRICES" "I_POSTTRANSFORMMATRICES" : register(c%d);\n", C_POSTTRANSFORMMATRICES);
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WRITE(p, "uniform s_"I_LIGHTS" "I_LIGHTS" : register(c%d);\n", C_LIGHTS);
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WRITE(p, "uniform s_"I_MATERIALS" "I_MATERIALS" : register(c%d);\n", C_MATERIALS);
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WRITE(p, "uniform s_"I_PROJECTION" "I_PROJECTION" : register(c%d);\n", C_PROJECTION);
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WRITE(p, "uniform float4 "I_DEPTHPARAMS" : register(c%d);\n", C_DEPTHPARAMS);
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WRITE(p, "VS_OUTPUT main(\n");
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// inputs
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if (components & VB_HAS_NRM0)
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WRITE(p, " float3 rawnorm0 : NORMAL0,\n");
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if (components & VB_HAS_NRM1) {
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if (is_d3d)
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WRITE(p, " float3 rawnorm1 : NORMAL1,\n");
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else
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WRITE(p, " float3 rawnorm1 : ATTR%d,\n", SHADER_NORM1_ATTRIB);
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}
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if (components & VB_HAS_NRM2) {
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if (is_d3d)
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WRITE(p, " float3 rawnorm2 : NORMAL2,\n");
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else
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WRITE(p, " float3 rawnorm2 : ATTR%d,\n", SHADER_NORM2_ATTRIB);
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}
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if (components & VB_HAS_COL0)
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WRITE(p, " float4 color0 : COLOR0,\n");
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if (components & VB_HAS_COL1)
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WRITE(p, " float4 color1 : COLOR1,\n");
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for (int i = 0; i < 8; ++i) {
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u32 hastexmtx = (components & (VB_HAS_TEXMTXIDX0<<i));
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if ((components & (VB_HAS_UV0<<i)) || hastexmtx)
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WRITE(p, " float%d tex%d : TEXCOORD%d,\n", hastexmtx ? 3 : 2, i, i);
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}
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if (components & VB_HAS_POSMTXIDX) {
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if (is_d3d)
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{
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WRITE(p, " float4 blend_indices : BLENDINDICES,\n");
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}
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else
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WRITE(p, " float fposmtx : ATTR%d,\n", SHADER_POSMTX_ATTRIB);
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}
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WRITE(p, " float4 rawpos : POSITION) {\n");
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WRITE(p, "VS_OUTPUT o;\n");
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// transforms
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if (components & VB_HAS_POSMTXIDX) {
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if (api_type == API_D3D9)
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{
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WRITE(p, "int4 indices = D3DCOLORtoUBYTE4(blend_indices);\n");
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WRITE(p, "int posmtx = indices.x;\n");
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}
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else if (api_type == API_D3D11)
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{
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WRITE(p, "int posmtx = blend_indices.x * 255.0f;\n");
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}
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else
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{
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WRITE(p, "int posmtx = fposmtx;\n");
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}
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WRITE(p, "float4 pos = float4(dot("I_TRANSFORMMATRICES".T[posmtx].t, rawpos), dot("I_TRANSFORMMATRICES".T[posmtx+1].t, rawpos), dot("I_TRANSFORMMATRICES".T[posmtx+2].t, rawpos), 1);\n");
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if (components & VB_HAS_NRMALL) {
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WRITE(p, "int normidx = posmtx >= 32 ? (posmtx-32) : posmtx;\n");
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WRITE(p, "float3 N0 = "I_NORMALMATRICES".T[normidx].t.xyz, N1 = "I_NORMALMATRICES".T[normidx+1].t.xyz, N2 = "I_NORMALMATRICES".T[normidx+2].t.xyz;\n");
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}
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if (components & VB_HAS_NRM0)
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WRITE(p, "float3 _norm0 = normalize(float3(dot(N0, rawnorm0), dot(N1, rawnorm0), dot(N2, rawnorm0)));\n");
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if (components & VB_HAS_NRM1)
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WRITE(p, "float3 _norm1 = float3(dot(N0, rawnorm1), dot(N1, rawnorm1), dot(N2, rawnorm1));\n");
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if (components & VB_HAS_NRM2)
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WRITE(p, "float3 _norm2 = float3(dot(N0, rawnorm2), dot(N1, rawnorm2), dot(N2, rawnorm2));\n");
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}
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else
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{
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WRITE(p, "float4 pos = float4(dot("I_POSNORMALMATRIX".T0, rawpos), dot("I_POSNORMALMATRIX".T1, rawpos), dot("I_POSNORMALMATRIX".T2, rawpos), 1.0f);\n");
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if (components & VB_HAS_NRM0)
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WRITE(p, "float3 _norm0 = normalize(float3(dot("I_POSNORMALMATRIX".N0.xyz, rawnorm0), dot("I_POSNORMALMATRIX".N1.xyz, rawnorm0), dot("I_POSNORMALMATRIX".N2.xyz, rawnorm0)));\n");
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if (components & VB_HAS_NRM1)
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WRITE(p, "float3 _norm1 = float3(dot("I_POSNORMALMATRIX".N0.xyz, rawnorm1), dot("I_POSNORMALMATRIX".N1.xyz, rawnorm1), dot("I_POSNORMALMATRIX".N2.xyz, rawnorm1));\n");
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if (components & VB_HAS_NRM2)
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WRITE(p, "float3 _norm2 = float3(dot("I_POSNORMALMATRIX".N0.xyz, rawnorm2), dot("I_POSNORMALMATRIX".N1.xyz, rawnorm2), dot("I_POSNORMALMATRIX".N2.xyz, rawnorm2));\n");
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}
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if (!(components & VB_HAS_NRM0))
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WRITE(p, "float3 _norm0 = float3(0.0f, 0.0f, 0.0f);\n");
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WRITE(p, "o.pos = float4(dot("I_PROJECTION".T0, pos), dot("I_PROJECTION".T1, pos), dot("I_PROJECTION".T2, pos), dot("I_PROJECTION".T3, pos));\n");
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WRITE(p, "float4 mat, lacc;\n"
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"float3 ldir, h;\n"
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"float dist, dist2, attn;\n");
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if(xfregs.nNumChans == 0)
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{
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if (components & VB_HAS_COL0)
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WRITE(p, "o.colors_0 = color0;\n");
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else
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WRITE(p, "o.colors_0 = float4(1.0f, 1.0f, 1.0f, 1.0f);\n");
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}
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// lights/colors
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for (int j = 0; j < xfregs.nNumChans; j++)
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{
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const LitChannel& color = xfregs.colChans[j].color;
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const LitChannel& alpha = xfregs.colChans[j].alpha;
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WRITE(p, "{\n");
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if (color.matsource) {// from vertex
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if (components & (VB_HAS_COL0 << j))
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WRITE(p, "mat = color%d;\n", j);
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else if (components & VB_HAS_COL0)
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WRITE(p, "mat = color0;\n");
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else
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WRITE(p, "mat = float4(1.0f, 1.0f, 1.0f, 1.0f);\n");
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}
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else // from color
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WRITE(p, "mat = "I_MATERIALS".C%d;\n", j+2);
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if (color.enablelighting) {
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if (color.ambsource) { // from vertex
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if (components & (VB_HAS_COL0<<j) )
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WRITE(p, "lacc = color%d;\n", j);
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else if (components & VB_HAS_COL0 )
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WRITE(p, "lacc = color0;\n");
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else
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WRITE(p, "lacc = float4(0.0f, 0.0f, 0.0f, 0.0f);\n");
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}
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else // from color
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WRITE(p, "lacc = "I_MATERIALS".C%d;\n", j);
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}
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else
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{
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WRITE(p, "lacc = float4(1.0f, 1.0f, 1.0f, 1.0f);\n");
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}
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// check if alpha is different
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if (alpha.matsource != color.matsource) {
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if (alpha.matsource) {// from vertex
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if (components & (VB_HAS_COL0<<j))
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WRITE(p, "mat.w = color%d.w;\n", j);
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else if (components & VB_HAS_COL0)
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WRITE(p, "mat.w = color0.w;\n");
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else WRITE(p, "mat.w = 1.0f;\n");
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}
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else // from color
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WRITE(p, "mat.w = "I_MATERIALS".C%d.w;\n", j+2);
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}
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if (alpha.enablelighting)
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{
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if (alpha.ambsource) {// from vertex
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if (components & (VB_HAS_COL0<<j) )
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WRITE(p, "lacc.w = color%d.w;\n", j);
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else if (components & VB_HAS_COL0 )
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WRITE(p, "lacc.w = color0.w;\n");
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else
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WRITE(p, "lacc.w = 0.0f;\n");
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}
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else // from color
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WRITE(p, "lacc.w = "I_MATERIALS".C%d.w;\n", j);
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}
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else
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{
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WRITE(p, "lacc.w = 1.0f;\n");
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}
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if(color.enablelighting && alpha.enablelighting)
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{
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// both have lighting, test if they use the same lights
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int mask = 0;
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if(color.lightparams == alpha.lightparams)
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{
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mask = color.GetFullLightMask() & alpha.GetFullLightMask();
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if(mask)
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{
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for (int i = 0; i < 8; ++i)
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{
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if (mask & (1<<i))
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p = GenerateLightShader(p, i, color, "lacc", 3);
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}
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}
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}
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// no shared lights
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for (int i = 0; i < 8; ++i)
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{
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if (!(mask&(1<<i)) && (color.GetFullLightMask() & (1<<i)))
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p = GenerateLightShader(p, i, color, "lacc", 1);
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if (!(mask&(1<<i)) && (alpha.GetFullLightMask() & (1<<i)))
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p = GenerateLightShader(p, i, alpha, "lacc", 2);
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}
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}
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else if (color.enablelighting || alpha.enablelighting)
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{
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// lights are disabled on one channel so process only the active ones
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LitChannel workingchannel = color.enablelighting ? color : alpha;
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int coloralpha = color.enablelighting ? 1 : 2;
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for (int i = 0; i < 8; ++i)
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{
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if (workingchannel.GetFullLightMask() & (1<<i))
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p = GenerateLightShader(p, i, workingchannel, "lacc", coloralpha);
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}
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}
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WRITE(p, "o.colors_%d = mat * saturate(lacc);\n", j);
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WRITE(p, "}\n");
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}
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if(xfregs.nNumChans < 2)
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{
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if (components & VB_HAS_COL1)
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WRITE(p, "o.colors_1 = color1;\n");
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else
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WRITE(p, "o.colors_1 = o.colors_0;\n");
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}
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// special case if only pos and tex coord 0 and tex coord input is AB11
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// donko - this has caused problems in some games. removed for now.
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bool texGenSpecialCase = false;
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/*bool texGenSpecialCase =
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((g_VtxDesc.Hex & 0x60600L) == g_VtxDesc.Hex) && // only pos and tex coord 0
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(g_VtxDesc.Tex0Coord != NOT_PRESENT) &&
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(xfregs.texcoords[0].texmtxinfo.inputform == XF_TEXINPUT_AB11);
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*/
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// transform texcoords
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WRITE(p, "float4 coord = float4(0.0f, 0.0f, 1.0f, 1.0f);\n");
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for (int i = 0; i < xfregs.numTexGens; ++i) {
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TexMtxInfo& texinfo = xfregs.texcoords[i].texmtxinfo;
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WRITE(p, "{\n");
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WRITE(p, "coord = float4(0.0f, 0.0f, 1.0f, 1.0f);\n");
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switch (texinfo.sourcerow) {
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case XF_SRCGEOM_INROW:
|
|
_assert_( texinfo.inputform == XF_TEXINPUT_ABC1 );
|
|
WRITE(p, "coord = rawpos;\n"); // pos.w is 1
|
|
break;
|
|
case XF_SRCNORMAL_INROW:
|
|
if (components & VB_HAS_NRM0) {
|
|
_assert_( texinfo.inputform == XF_TEXINPUT_ABC1 );
|
|
WRITE(p, "coord = float4(rawnorm0.xyz, 1.0f);\n");
|
|
}
|
|
break;
|
|
case XF_SRCCOLORS_INROW:
|
|
_assert_( texinfo.texgentype == XF_TEXGEN_COLOR_STRGBC0 || texinfo.texgentype == XF_TEXGEN_COLOR_STRGBC1 );
|
|
break;
|
|
case XF_SRCBINORMAL_T_INROW:
|
|
if (components & VB_HAS_NRM1) {
|
|
_assert_( texinfo.inputform == XF_TEXINPUT_ABC1 );
|
|
WRITE(p, "coord = float4(rawnorm1.xyz, 1.0f);\n");
|
|
}
|
|
break;
|
|
case XF_SRCBINORMAL_B_INROW:
|
|
if (components & VB_HAS_NRM2) {
|
|
_assert_( texinfo.inputform == XF_TEXINPUT_ABC1 );
|
|
WRITE(p, "coord = float4(rawnorm2.xyz, 1.0f);\n");
|
|
}
|
|
break;
|
|
default:
|
|
_assert_(texinfo.sourcerow <= XF_SRCTEX7_INROW);
|
|
if (components & (VB_HAS_UV0<<(texinfo.sourcerow - XF_SRCTEX0_INROW)) )
|
|
WRITE(p, "coord = float4(tex%d.x, tex%d.y, 1.0f, 1.0f);\n", texinfo.sourcerow - XF_SRCTEX0_INROW, texinfo.sourcerow - XF_SRCTEX0_INROW);
|
|
break;
|
|
}
|
|
|
|
// first transformation
|
|
switch (texinfo.texgentype) {
|
|
case XF_TEXGEN_EMBOSS_MAP: // calculate tex coords into bump map
|
|
|
|
if (components & (VB_HAS_NRM1|VB_HAS_NRM2)) {
|
|
// transform the light dir into tangent space
|
|
WRITE(p, "ldir = normalize("I_LIGHTS".lights[%d].pos.xyz - pos.xyz);\n", texinfo.embosslightshift);
|
|
WRITE(p, "o.tex%d.xyz = o.tex%d.xyz + float3(dot(ldir, _norm1), dot(ldir, _norm2), 0.0f);\n", i, texinfo.embosssourceshift);
|
|
}
|
|
else _assert_(0); // should have normals
|
|
|
|
break;
|
|
case XF_TEXGEN_COLOR_STRGBC0:
|
|
_assert_(texinfo.sourcerow == XF_SRCCOLORS_INROW);
|
|
WRITE(p, "o.tex%d.xyz = float3(o.colors_0.x, o.colors_0.y, 1);\n", i);
|
|
break;
|
|
case XF_TEXGEN_COLOR_STRGBC1:
|
|
_assert_(texinfo.sourcerow == XF_SRCCOLORS_INROW);
|
|
WRITE(p, "o.tex%d.xyz = float3(o.colors_1.x, o.colors_1.y, 1);\n", i);
|
|
break;
|
|
case XF_TEXGEN_REGULAR:
|
|
default:
|
|
if (components & (VB_HAS_TEXMTXIDX0<<i)) {
|
|
if (texinfo.projection == XF_TEXPROJ_STQ)
|
|
WRITE(p, "o.tex%d.xyz = float3(dot(coord, "I_TRANSFORMMATRICES".T[tex%d.z].t), dot(coord, "I_TRANSFORMMATRICES".T[tex%d.z+1].t), dot(coord, "I_TRANSFORMMATRICES".T[tex%d.z+2].t));\n", i, i, i, i);
|
|
else {
|
|
WRITE(p, "o.tex%d.xyz = float3(dot(coord, "I_TRANSFORMMATRICES".T[tex%d.z].t), dot(coord, "I_TRANSFORMMATRICES".T[tex%d.z+1].t), 1);\n", i, i, i);
|
|
}
|
|
}
|
|
else {
|
|
if (texinfo.projection == XF_TEXPROJ_STQ)
|
|
WRITE(p, "o.tex%d.xyz = float3(dot(coord, "I_TEXMATRICES".T[%d].t), dot(coord, "I_TEXMATRICES".T[%d].t), dot(coord, "I_TEXMATRICES".T[%d].t));\n", i, 3*i, 3*i+1, 3*i+2);
|
|
else
|
|
WRITE(p, "o.tex%d.xyz = float3(dot(coord, "I_TEXMATRICES".T[%d].t), dot(coord, "I_TEXMATRICES".T[%d].t), 1);\n", i, 3*i, 3*i+1);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (xfregs.bEnableDualTexTransform && texinfo.texgentype == XF_TEXGEN_REGULAR) { // only works for regular tex gen types?
|
|
int postidx = xfregs.texcoords[i].postmtxinfo.index;
|
|
WRITE(p, "float4 P0 = "I_POSTTRANSFORMMATRICES".T[%d].t;\n"
|
|
"float4 P1 = "I_POSTTRANSFORMMATRICES".T[%d].t;\n"
|
|
"float4 P2 = "I_POSTTRANSFORMMATRICES".T[%d].t;\n",
|
|
postidx&0x3f, (postidx+1)&0x3f, (postidx+2)&0x3f);
|
|
|
|
if (texGenSpecialCase) {
|
|
// no normalization
|
|
// q of input is 1
|
|
// q of output is unknown
|
|
|
|
// multiply by postmatrix
|
|
WRITE(p, "o.tex%d.xyz = float3(dot(P0.xy, o.tex%d.xy) + P0.z + P0.w, dot(P1.xy, o.tex%d.xy) + P1.z + P1.w, 0.0f);\n", i, i, i);
|
|
}
|
|
else
|
|
{
|
|
if (xfregs.texcoords[i].postmtxinfo.normalize)
|
|
WRITE(p, "o.tex%d.xyz = normalize(o.tex%d.xyz);\n", i, i);
|
|
|
|
// multiply by postmatrix
|
|
WRITE(p, "o.tex%d.xyz = float3(dot(P0.xyz, o.tex%d.xyz) + P0.w, dot(P1.xyz, o.tex%d.xyz) + P1.w, dot(P2.xyz, o.tex%d.xyz) + P2.w);\n", i, i, i, i);
|
|
}
|
|
}
|
|
|
|
WRITE(p, "}\n");
|
|
}
|
|
|
|
// clipPos/w needs to be done in pixel shader, not here
|
|
if (xfregs.numTexGens < 7) {
|
|
WRITE(p, "o.clipPos = float4(pos.x,pos.y,o.pos.z,o.pos.w);\n");
|
|
} else {
|
|
WRITE(p, "o.tex0.w = pos.x;\n");
|
|
WRITE(p, "o.tex1.w = pos.y;\n");
|
|
WRITE(p, "o.tex2.w = o.pos.z;\n");
|
|
WRITE(p, "o.tex3.w = o.pos.w;\n");
|
|
}
|
|
|
|
if(g_ActiveConfig.bEnablePixelLigting)
|
|
{
|
|
if (xfregs.numTexGens < 7) {
|
|
WRITE(p, "o.Normal = float4(_norm0.x,_norm0.y,_norm0.z,pos.z);\n");
|
|
} else {
|
|
WRITE(p, "o.tex4.w = _norm0.x;\n");
|
|
WRITE(p, "o.tex5.w = _norm0.y;\n");
|
|
WRITE(p, "o.tex6.w = _norm0.z;\n");
|
|
if (xfregs.numTexGens < 8)
|
|
WRITE(p, "o.tex7 = pos.xyzz;\n");
|
|
else
|
|
WRITE(p, "o.tex7.w = pos.z;\n");
|
|
}
|
|
if (components & VB_HAS_COL0)
|
|
WRITE(p, "o.colors_0 = color0;\n");
|
|
|
|
if (components & VB_HAS_COL1)
|
|
WRITE(p, "o.colors_1 = color1;\n");
|
|
}
|
|
|
|
//write the true depth value, if the game uses depth textures pixel shaders will override with the correct values
|
|
//if not early z culling will improve speed
|
|
if (is_d3d) {
|
|
WRITE(p, "o.pos.z = "I_DEPTHPARAMS".x * o.pos.w + o.pos.z * "I_DEPTHPARAMS".y;\n");
|
|
} else {
|
|
// this results in a scale from -1..0 to -1..1 after perspective
|
|
// divide
|
|
WRITE(p, "o.pos.z = o.pos.w + o.pos.z * 2.0f;\n");
|
|
// the next steps of the OGL pipeline are:
|
|
// o.pos.xyz /= o.pos.w; //perspective divide
|
|
// o.pos.z = clamp(o.pos.z,-1,1) //clamp to -1..1
|
|
// o.pos.z = (o.pos.z+1)/2; //scale to 0..1
|
|
// o.pos.z = o.pos.z/(glFar-glNear))+glNear
|
|
//scale to glNear..glFar of glDepthRange
|
|
// o.pos.z now contains the value to go to the 0..1 depth buffer
|
|
|
|
//trying to get the correct semantic while not using glDepthRange
|
|
//seems to get rather complicated
|
|
}
|
|
|
|
WRITE(p, "return o;\n}\n");
|
|
|
|
|
|
if (text[sizeof(text) - 1] != 0x7C)
|
|
PanicAlert("VertexShader generator - buffer too small, canary has been eaten!");
|
|
setlocale(LC_NUMERIC, ""); // restore locale
|
|
return text;
|
|
}
|
|
|
|
// coloralpha - 1 if color, 2 if alpha
|
|
char *GenerateLightShader(char *p, int index, const LitChannel& chan, const char *dest, int coloralpha)
|
|
{
|
|
const char* swizzle = "xyzw";
|
|
if (coloralpha == 1 ) swizzle = "xyz";
|
|
else if (coloralpha == 2 ) swizzle = "w";
|
|
|
|
if (!(chan.attnfunc & 1)) {
|
|
// atten disabled
|
|
switch (chan.diffusefunc) {
|
|
case LIGHTDIF_NONE:
|
|
WRITE(p, "%s.%s += "I_LIGHTS".lights[%d].col.%s;\n", dest, swizzle, index, swizzle);
|
|
break;
|
|
case LIGHTDIF_SIGN:
|
|
case LIGHTDIF_CLAMP:
|
|
WRITE(p, "ldir = normalize("I_LIGHTS".lights[%d].pos.xyz - pos.xyz);\n", index);
|
|
WRITE(p, "%s.%s += %sdot(ldir, _norm0)) * "I_LIGHTS".lights[%d].col.%s;\n",
|
|
dest, swizzle, chan.diffusefunc != LIGHTDIF_SIGN ? "max(0.0f," :"(", index, swizzle);
|
|
break;
|
|
default: _assert_(0);
|
|
}
|
|
}
|
|
else { // spec and spot
|
|
|
|
if (chan.attnfunc == 3)
|
|
{ // spot
|
|
WRITE(p, "ldir = "I_LIGHTS".lights[%d].pos.xyz - pos.xyz;\n", index);
|
|
WRITE(p, "dist2 = dot(ldir, ldir);\n"
|
|
"dist = sqrt(dist2);\n"
|
|
"ldir = ldir / dist;\n"
|
|
"attn = max(0.0f, dot(ldir, "I_LIGHTS".lights[%d].dir.xyz));\n",index);
|
|
WRITE(p, "attn = max(0.0f, dot("I_LIGHTS".lights[%d].cosatt.xyz, float3(1.0f, attn, attn*attn))) / dot("I_LIGHTS".lights[%d].distatt.xyz, float3(1.0f,dist,dist2));\n", index, index);
|
|
}
|
|
else if (chan.attnfunc == 1)
|
|
{ // specular
|
|
WRITE(p, "ldir = normalize("I_LIGHTS".lights[%d].pos.xyz);\n",index);
|
|
WRITE(p, "attn = (dot(_norm0,ldir) > 0.0f) ? max(0.0f, dot(_norm0, "I_LIGHTS".lights[%d].dir.xyz)) : 0.0f;\n", index);
|
|
WRITE(p, "attn = max(0.0f, dot("I_LIGHTS".lights[%d].cosatt.xyz, float3(1,attn,attn*attn))) / dot("I_LIGHTS".lights[%d].distatt.xyz, float3(1,attn,attn*attn));\n", index, index);
|
|
}
|
|
|
|
switch (chan.diffusefunc)
|
|
{
|
|
case LIGHTDIF_NONE:
|
|
WRITE(p, "%s.%s += attn * "I_LIGHTS".lights[%d].col.%s;\n", dest, swizzle, index, swizzle);
|
|
break;
|
|
case LIGHTDIF_SIGN:
|
|
case LIGHTDIF_CLAMP:
|
|
WRITE(p, "%s.%s += attn * %sdot(ldir, _norm0)) * "I_LIGHTS".lights[%d].col.%s;\n",
|
|
dest,
|
|
swizzle,
|
|
chan.diffusefunc != LIGHTDIF_SIGN ? "max(0.0f," :"(",
|
|
index,
|
|
swizzle);
|
|
break;
|
|
default: _assert_(0);
|
|
}
|
|
}
|
|
WRITE(p, "\n");
|
|
return p;
|
|
}
|