309 lines
14 KiB
C
309 lines
14 KiB
C
#ifndef COMMON_H
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#define COMMON_H
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// #define USE_SUPER_SPECULAR
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#include "shared\common.h"
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//////////////////////////////////////////////////////////////////////////////////////////
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// *** options
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// #define DBG_TEST_NMAP
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// #define DBG_TEST_NMAP_SPEC
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// #define DBG_TEST_SPEC
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// #define DBG_TEST_LIGHT
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// #define DBG_TEST_LIGHT_SPEC
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// #define USE_GAMMA_22
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// #define USE_SJITTER
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// #define USE_SUNFILTER
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// #define USE_FETCH4
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// #define USE_MBLUR //- HW-options defined
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// #define USE_HWSMAP //- HW-options defined
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// #define USE_HWSMAP_PCF //- nVidia GF3+, R600+
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// #define USE_BRANCHING //- HW-options defined
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// #define USE_VTF //- HW-options defined, VertexTextureFetch
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// #define FP16_FILTER //- HW-options defined
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// #define FP16_BLEND //- HW-options defined
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//
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// #define USE_PARALLAX //- shader defined
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// #define USE_TDETAIL //- shader defined
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// #define USE_LM_HEMI //- shader defined
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// #define USE_DISTORT //- shader defined
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// #define USE_SUNMASK //- shader defined
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// #define DBG_TMAPPING
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//////////////////////////////////////////////////////////////////////////////////////////
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#ifndef SMAP_size
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#define SMAP_size 1024
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#endif
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#define PARALLAX_H 0.02
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#define parallax float2(PARALLAX_H, -PARALLAX_H/2)
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#ifdef USE_R2_STATIC_SUN
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# define xmaterial half(1.0h/4.h)
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#else
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# define xmaterial half(L_material.w)
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#endif
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//////////////////////////////////////////////////////////////////////////////////////////
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uniform half4 hemi_cube_pos_faces;
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uniform half4 hemi_cube_neg_faces;
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uniform half4 L_material; // 0,0,0,mid
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uniform half4 Ldynamic_color; // dynamic light color (rgb1) - spot/point
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uniform half4 Ldynamic_pos; // dynamic light pos+1/range(w) - spot/point
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uniform half4 Ldynamic_dir; // dynamic light direction - sun
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uniform half4 J_direct [6];
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uniform half4 J_spot [6];
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half calc_fogging (half4 w_pos) { return dot(w_pos,fog_plane); }
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half2 calc_detail (half3 w_pos) {
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float dtl = distance (w_pos,eye_position)*dt_params.w;
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dtl = min (dtl*dtl, 1);
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half dt_mul = 1 - dtl; // dt* [1 .. 0 ]
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half dt_add = .5 * dtl; // dt+ [0 .. 0.5]
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return half2 (dt_mul,dt_add);
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}
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float3 calc_reflection (float3 pos_w, float3 norm_w)
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{
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return reflect(normalize(pos_w-eye_position), norm_w);
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}
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float3 calc_sun_r1 (float3 norm_w) { return L_sun_color*saturate(dot((norm_w),-L_sun_dir_w)); }
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float3 calc_model_hemi_r1 (float3 norm_w) { return max(0,norm_w.y)*L_hemi_color; }
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float3 calc_model_lq_lighting (float3 norm_w) { return L_material.x*calc_model_hemi_r1(norm_w) + L_ambient + L_material.y*calc_sun_r1(norm_w); }
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//////////////////////////////////////////////////////////////////////////////////////////
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struct v_static {
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float4 P : POSITION; // (float,float,float,1)
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float4 Nh : NORMAL; // (nx,ny,nz,hemi occlusion)
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float4 T : TANGENT; // tangent
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float4 B : BINORMAL; // binormal
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float2 tc : TEXCOORD0; // (u,v)
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float2 lmh : TEXCOORD1; // (lmu,lmv)
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float4 color : COLOR0; // (r,g,b,dir-occlusion)
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};
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struct v_tree {
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float4 P : POSITION; // (float,float,float,1)
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float4 Nh : NORMAL; // (nx,ny,nz)
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float3 T : TANGENT; // tangent
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float3 B : BINORMAL; // binormal
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float4 tc : TEXCOORD0; // (u,v,frac,???)
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};
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struct v_model {
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float4 P : POSITION; // (float,float,float,1)
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float3 N : NORMAL; // (nx,ny,nz)
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float3 T : TANGENT; // (nx,ny,nz)
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float3 B : BINORMAL; // (nx,ny,nz)
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float2 tc : TEXCOORD0; // (u,v)
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};
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struct v_detail {
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float4 pos : POSITION; // (float,float,float,1)
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int4 misc : TEXCOORD0; // (u(Q),v(Q),frac,matrix-id)
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};
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#ifdef USE_HWSMAP
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struct v_shadow_direct_aref
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{
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float4 hpos: POSITION; // Clip-space position (for rasterization)
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float2 tc0: TEXCOORD1; // Diffuse map for aref
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};
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struct v_shadow_direct
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{
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float4 hpos: POSITION; // Clip-space position (for rasterization)
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};
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#else
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struct v_shadow_direct_aref
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{
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float4 hpos: POSITION; // Clip-space position (for rasterization)
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float depth: TEXCOORD0; // Depth
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float2 tc0: TEXCOORD1; // Diffuse map for aref
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};
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struct v_shadow_direct
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{
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float4 hpos: POSITION; // Clip-space position (for rasterization)
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float depth: TEXCOORD0; // Depth
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};
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#endif
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//////////////////////////////////////////////////////////////////////////////////////////
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struct p_bumped {
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float4 hpos : POSITION;
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#if defined(USE_R2_STATIC_SUN) && !defined(USE_LM_HEMI)
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float4 tcdh : TEXCOORD0; // Texture coordinates, w=sun_occlusion
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#else
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float2 tcdh : TEXCOORD0; // Texture coordinates
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#endif
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float4 position : TEXCOORD1; // position + hemi
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half3 M1 : TEXCOORD2; // nmap 2 eye - 1
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half3 M2 : TEXCOORD3; // nmap 2 eye - 2
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half3 M3 : TEXCOORD4; // nmap 2 eye - 3
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#ifdef USE_TDETAIL
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float2 tcdbump : TEXCOORD5; // d-bump
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#ifdef USE_LM_HEMI
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float2 lmh : TEXCOORD6; // lm-hemi
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#endif
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#else
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#ifdef USE_LM_HEMI
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float2 lmh : TEXCOORD5; // lm-hemi
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#endif
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#endif
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};
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//////////////////////////////////////////////////////////////////////////////////////////
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struct p_flat {
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float4 hpos : POSITION;
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#if defined(USE_R2_STATIC_SUN) && !defined(USE_LM_HEMI)
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float4 tcdh : TEXCOORD0; // Texture coordinates, w=sun_occlusion
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#else
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float2 tcdh : TEXCOORD0; // Texture coordinates
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#endif
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float4 position : TEXCOORD1; // position + hemi
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half3 N : TEXCOORD2; // Eye-space normal (for lighting)
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#ifdef USE_TDETAIL
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float2 tcdbump : TEXCOORD3; // d-bump
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#ifdef USE_LM_HEMI
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float2 lmh : TEXCOORD4; // lm-hemi
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#endif
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#else
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#ifdef USE_LM_HEMI
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float2 lmh : TEXCOORD3; // lm-hemi
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#endif
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#endif
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};
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//////////////////////////////////////////////////////////////////////////////////////////
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struct f_deffer {
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half4 position : COLOR0; // px,py,pz, m-id
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half4 Ne : COLOR1; // nx,ny,nz, hemi
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half4 C : COLOR2; // r, g, b, gloss
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};
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//////////////////////////////////////////////////////////////////////////////////////////
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struct p_screen {
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float4 hpos : POSITION;
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float2 tc0 : TEXCOORD0; // Texture coordinates (for sampling maps)
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};
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//////////////////////////////////////////////////////////////////////////////////////////
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// Geometry phase / deferring //
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uniform sampler2D s_base; //
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uniform sampler2D s_bump; //
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uniform sampler2D s_bumpX; //
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uniform sampler2D s_detail; //
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uniform sampler2D s_detailBump; //
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uniform sampler2D s_detailBumpX; // Error for bump detail
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uniform sampler2D s_bumpD; //
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uniform sampler2D s_hemi; //
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uniform sampler2D s_mask; //
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uniform sampler2D s_dt_r; //
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uniform sampler2D s_dt_g; //
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uniform sampler2D s_dt_b; //
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uniform sampler2D s_dt_a; //
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uniform sampler2D s_dn_r; //
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uniform sampler2D s_dn_g; //
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uniform sampler2D s_dn_b; //
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uniform sampler2D s_dn_a; //
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//////////////////////////////////////////////////////////////////////////////////////////
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// Lighting/shadowing phase //
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uniform sampler2D s_depth; //
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uniform sampler2D s_position; //
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uniform sampler2D s_normal; //
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uniform sampler s_lmap; // 2D/cube projector lightmap
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uniform sampler3D s_material; //
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uniform sampler1D s_attenuate; //
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//////////////////////////////////////////////////////////////////////////////////////////
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// Combine phase //
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uniform sampler2D s_diffuse; // rgb.a = diffuse.gloss
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uniform sampler2D s_accumulator; // rgb.a = diffuse.specular
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uniform sampler2D s_generic; //
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uniform sampler2D s_bloom; //
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uniform sampler s_image; // used in various post-processing
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uniform sampler2D s_tonemap; // actually MidleGray / exp(Lw + eps)
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//////////////////////////////////////////////////////////////////////////////////////////
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// Defines //
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#define def_gloss half(2.f /255.f)
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#define def_aref half(200.f/255.f)
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#define def_dbumph half(0.333f)
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#define def_virtualh half(0.05f) // 5cm
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#define def_distort half(0.05f) // we get -0.5 .. 0.5 range, this is -512 .. 512 for 1024, so scale it
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#define def_hdr half(9.h) // hight luminance range half(3.h)
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#define def_hdr_clip half(0.75h) //
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//////////////////////////////////////////////////////////////////////////////////////////
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#define LUMINANCE_VECTOR half3(0.3f, 0.38f, 0.22f)
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void tonemap (out half4 low, out half4 high, half3 rgb, half scale)
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{
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rgb = rgb*scale ;
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const float fWhiteIntensity = 1.7;
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const float fWhiteIntensitySQR = fWhiteIntensity*fWhiteIntensity;
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#ifdef USE_BRANCHING // ps_3_0
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//low = rgb.xyzz ;
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low = ( (rgb*(1+rgb/fWhiteIntensitySQR)) / (rgb+1) ).xyzz;
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high = low/def_hdr ; // 8x dynamic range
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#else
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low = half4 ( ( (rgb*(1+rgb/fWhiteIntensitySQR)) / (rgb+1) ), 0 ) ;
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high = half4 (rgb/def_hdr, 0 ) ; // 8x dynamic range
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#endif
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/*
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rgb = rgb*scale;
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low = rgb.xyzz;
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high = low/def_hdr; // 8x dynamic range
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*/
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// low = half4 (rgb, 0);
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// rgb /= def_hdr ;
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// high = half4 (rgb, dot(rgb,0.333f)-def_hdr_clip) ;
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}
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half4 combine_bloom (half3 low, half4 high) {
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return half4(low + high*high.a, 1.h);
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}
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float3 v_hemi (float3 n) { return L_hemi_color*(.5f + .5f*n.y); }
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float3 v_hemi_wrap (float3 n, float w) { return L_hemi_color*(w + (1-w)*n.y); }
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float3 v_sun (float3 n) { return L_sun_color*dot(n,-L_sun_dir_w); }
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float3 v_sun_wrap (float3 n, float w) { return L_sun_color*(w+(1-w)*dot(n,-L_sun_dir_w)); }
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half3 p_hemi (float2 tc) {
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// half3 t_lmh = tex2D (s_hemi, tc);
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// return dot (t_lmh,1.h/4.h);
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half4 t_lmh = tex2D (s_hemi, tc);
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return t_lmh.a;
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}
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half get_hemi( half4 lmh)
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{
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return lmh.a;
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}
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half get_sun( half4 lmh)
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{
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return lmh.g;
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}
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// contrast function
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half Contrast(half Input, half ContrastPower)
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{
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//piecewise contrast function
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bool IsAboveHalf = Input > 0.5 ;
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half ToRaise = saturate(2*(IsAboveHalf ? 1-Input : Input));
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half Output = 0.5*pow(ToRaise, ContrastPower);
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Output = IsAboveHalf ? 1-Output : Output;
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return Output;
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}
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#define FXPS technique _render{pass _code{PixelShader=compile ps_3_0 main();}}
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#define FXVS technique _render{pass _code{VertexShader=compile vs_3_0 main();}}
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#endif
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