mirror of https://github.com/PCSX2/pcsx2.git
736 lines
23 KiB
C
736 lines
23 KiB
C
/* ZZ Open GL graphics plugin
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* Copyright (c)2009-2010 zeydlitz@gmail.com, arcum42@gmail.com
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* Based on Zerofrog's ZeroGS KOSMOS (c)2005-2008
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*
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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; either version 2 of the License, or
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* (at your option) any later version.
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*
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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 for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __ZEROGS_SHADERS_H__
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#define __ZEROGS_SHADERS_H__
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// -- Not very important things, but we keep it to enumerate shader
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#define NUM_FILTERS 2 // texture filtering
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#define NUM_TYPES 5 // types of texture read modes
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#define NUM_TEXWRAPS 4 // texture wrapping
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#define NUM_SHADERS (NUM_FILTERS*NUM_TYPES*NUM_TEXWRAPS*32) // # shaders for a given ps
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// Just bitmask for different type of shaders
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#define SHADER_REDUCED 1 // equivalent to ps2.0
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#define SHADER_ACCURATE 2 // for older cards with less accurate math (ps2.x+)
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#include <math.h>
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#include "ZZoglMath.h"
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#include "GS.h"
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// By default enable nvidia cg api
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#if !defined(GLSL_API) && !defined(NVIDIA_CG_API)
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#define NVIDIA_CG_API
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#endif
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// --------------------------- API abstraction level --------------------------------
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#ifdef NVIDIA_CG_API // Code for NVIDIA cg-toolkit API
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#include <Cg/cg.h>
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#include <Cg/cgGL.h>
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#define ZZshProgram CGprogram
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#define ZZshShader CGprogram
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#define ZZshShaderLink CGprogram
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#define ZZshParameter CGparameter
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#define ZZshContext CGcontext
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#define ZZshProfile CGprofile
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#define ZZshError CGerror
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#define pZero 0 // Zero parameter
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#define sZero 0 // Zero program
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#define SAFE_RELEASE_PROG(x) { if( (x) != NULL ) { cgDestroyProgram(x); x = NULL; } }
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inline bool ZZshActiveParameter(ZZshParameter param) {return (param !=NULL); }
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#endif // end NVIDIA cg-toolkit API
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#ifdef GLSL4_API
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#include "GSUniformBufferOGL.h"
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#include "GSVertexArrayOGL.h"
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#endif
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#ifdef GLSL_API
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enum ZZshPARAMTYPE {
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ZZ_UNDEFINED,
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ZZ_TEXTURE_2D,
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ZZ_TEXTURE_RECT,
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ZZ_TEXTURE_3D,
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ZZ_FLOAT4,
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};
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typedef struct {
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const char* ShName; // Name of uniform
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ZZshPARAMTYPE type; // Choose between parameter type
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float fvalue[4];
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GLuint sampler; // Number of texture unit in array
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GLint texid; // Number of texture - texid.
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bool Constant; // Uniform could be constants, does not change at program flow
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bool Settled; // Check if Uniform value was set.
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} ZZshParamInfo;
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typedef struct {
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void* link;
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bool isFragment;
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} ZZshShaderLink;
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#define ZZshProgram GLuint
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#define ZZshShader GLuint
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#define ZZshParameter GLint
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#define ZZshContext int
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#define ZZshProfile int
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#define ZZshError int
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#define ZZshIndex GLuint
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const ZZshParamInfo qZero = {ShName:"", type:ZZ_UNDEFINED, fvalue:{0}, sampler: -1, texid: 0, Constant: false, Settled: false};
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#define pZero 0
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const ZZshShaderLink sZero = {link: NULL, isFragment: false};
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inline bool ZZshActiveParameter(ZZshParameter param) {return (param > -1); }
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#define SAFE_RELEASE_PROG(x) { /*don't know what to do*/ }
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// ---------------------------
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#endif
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extern float4 g_vdepth;
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extern float4 vlogz;
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#ifdef GLSL4_API
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enum {
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ZZSH_CTX_0 = 0,
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ZZSH_CTX_1 = 1,
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ZZSH_CTX_ALL = 2
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};
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// Note A nice template could be better
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// Warning order is important for buffer (see GLSL)
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// Note must be keep POD (so you can map it to GLSL)
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struct GlobalUniform {
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union {
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struct {
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// VS
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float g_fPosXY[4]; // dual context
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// PS
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float g_fFogColor[4];
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};
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float linear[2*4];
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};
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void SettleFloat(uint indice, const float* v) {
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assert(indice >= 0);
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assert(indice + 3 < sizeof(linear));
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linear[indice+0] = v[0];
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linear[indice+1] = v[1];
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linear[indice+2] = v[2];
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linear[indice+3] = v[3];
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}
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};
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struct ConstantUniform {
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union {
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struct {
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// Both VS/PS
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float g_fBilinear[4];
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float g_fZbias[4];
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float g_fc0[4];
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float g_fMult[4];
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// VS
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float g_fZ[4];
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float g_fZMin[4];
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float g_fZNorm[4];
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// PS
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float g_fExactColor[4];
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};
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float linear[8*4];
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};
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void SettleFloat(uint indice, const float* v) {
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assert(indice >= 0);
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assert(indice + 3 < sizeof(linear));
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linear[indice+0] = v[0];
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linear[indice+1] = v[1];
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linear[indice+2] = v[2];
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linear[indice+3] = v[3];
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}
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};
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struct FragmentUniform {
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union {
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struct {
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float g_fTexAlpha2[4]; // dual context
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float g_fTexOffset[4]; // dual context
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float g_fTexDims[4]; // dual context
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float g_fTexBlock[4]; // dual context
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float g_fClampExts[4]; // dual context
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float g_fTexWrapMode[4]; // dual context
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float g_fRealTexDims[4]; // dual context
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float g_fTestBlack[4]; // dual context
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float g_fPageOffset[4]; // dual context
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float g_fTexAlpha[4]; // dual context
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float g_fInvTexDims[4];
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float g_fBitBltZ[4];
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float g_fOneColor[4];
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};
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float linear[13*4];
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};
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void SettleFloat(uint indice, const float* v) {
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assert(indice >= 0);
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assert(indice + 3 < sizeof(linear));
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linear[indice+0] = v[0];
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linear[indice+1] = v[1];
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linear[indice+2] = v[2];
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linear[indice+3] = v[3];
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}
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};
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struct VertexUniform {
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union {
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struct {
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float g_fBitBltPos[4];
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float g_fBitBltTex[4];
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float g_fBitBltTrans[4];
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};
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float linear[3*4];
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};
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void SettleFloat(uint indice, const float* v) {
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assert(indice >= 0);
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assert(indice + 3 < sizeof(linear) / 4);
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linear[indice+0] = v[0];
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linear[indice+1] = v[1];
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linear[indice+2] = v[2];
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linear[indice+3] = v[3];
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}
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};
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#endif
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//const static char* g_pPsTexWrap[] = { "-DREPEAT", "-DCLAMP", "-DREGION_REPEAT", NULL };
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enum ZZshShaderType {ZZ_SH_ZERO, ZZ_SH_REGULAR, ZZ_SH_REGULAR_FOG, ZZ_SH_TEXTURE, ZZ_SH_TEXTURE_FOG, ZZ_SH_CRTC, ZZ_SH_NONE};
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// We have "compatible" shaders, as RegularFogVS and RegularFogPS. if don't need to wory about incompatible shaders
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// It used only in GLSL mode.
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// ------------------------- Variables -------------------------------
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extern int g_nPixelShaderVer;
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extern ZZshShaderLink pvs[16], g_vsprog, g_psprog;
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extern ZZshParameter g_vparamPosXY[2], g_fparamFogColor;
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#define MAX_ACTIVE_UNIFORMS 600
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#define MAX_ACTIVE_SHADERS 400
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#ifndef GLSL4_API
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struct FRAGMENTSHADER
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{
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FRAGMENTSHADER() : prog(sZero), Shader(0), sMemory(pZero), sFinal(pZero), sBitwiseANDX(pZero), sBitwiseANDY(pZero), sInterlace(pZero), sCLUT(pZero), sOneColor(pZero), sBitBltZ(pZero),
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fTexAlpha2(pZero), fTexOffset(pZero), fTexDims(pZero), fTexBlock(pZero), fClampExts(pZero), fTexWrapMode(pZero),
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fRealTexDims(pZero), fTestBlack(pZero), fPageOffset(pZero), fTexAlpha(pZero) {}
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ZZshShaderLink prog; // it link to FRAGMENTSHADER structure, for compability between GLSL and CG
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ZZshShader Shader; // GLSL store shader's not as ready programs, but as shaders compilated object. VS and PS should be linked together to
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// made a program.
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ZZshShaderType ShaderType; // Not every PS and VS are used together, only compatible ones.
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ZZshParameter sMemory, sFinal, sBitwiseANDX, sBitwiseANDY, sInterlace, sCLUT;
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ZZshParameter sOneColor, sBitBltZ, sInvTexDims;
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ZZshParameter fTexAlpha2, fTexOffset, fTexDims, fTexBlock, fClampExts, fTexWrapMode, fRealTexDims, fTestBlack, fPageOffset, fTexAlpha;
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int ParametersStart, ParametersFinish; // this is part of UniformsIndex array in which parameters of this shader stored. Last one is ParametersFinish-1
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#ifdef _DEBUG
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string filename;
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#endif
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#ifdef NVIDIA_CG_API
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void set_uniform_param(ZZshParameter &var, const char *name)
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{
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ZZshParameter p;
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p = cgGetNamedParameter(prog, name);
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if (p != NULL && cgIsParameterUsed(p, prog) == CG_TRUE) var = p;
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}
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bool set_texture(GLuint texobj, const char *name)
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{
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ZZshParameter p;
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p = cgGetNamedParameter(prog, name);
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if (p != NULL && cgIsParameterUsed(p, prog) == CG_TRUE)
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{
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cgGLSetTextureParameter(p, texobj);
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cgGLEnableTextureParameter(p);
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return true;
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}
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return false;
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}
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bool connect(ZZshParameter &tex, const char *name)
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{
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ZZshParameter p;
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p = cgGetNamedParameter(prog, name);
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if (p != NULL && cgIsParameterUsed(p, prog) == CG_TRUE)
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{
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cgConnectParameter(tex, p);
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return true;
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}
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return false;
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}
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bool set_texture(ZZshParameter &tex, const char *name)
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{
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ZZshParameter p;
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p = cgGetNamedParameter(prog, name);
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if (p != NULL && cgIsParameterUsed(p, prog) == CG_TRUE)
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{
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//cgGLEnableTextureParameter(p);
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tex = p;
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return true;
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}
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return false;
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}
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bool set_shader_const(float4 v, const char *name)
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{
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ZZshParameter p;
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p = cgGetNamedParameter(prog, name);
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if (p != NULL && cgIsParameterUsed(p, prog) == CG_TRUE)
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{
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cgGLSetParameter4fv(p, v);
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return true;
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}
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return false;
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}
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#endif
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};
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#else
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const GLenum g_texture_target[10] = {GL_TEXTURE_RECTANGLE, GL_TEXTURE_RECTANGLE, GL_TEXTURE_2D, GL_TEXTURE_2D, GL_TEXTURE_2D, GL_TEXTURE_3D, GL_TEXTURE_RECTANGLE, GL_TEXTURE_RECTANGLE, GL_TEXTURE_RECTANGLE, GL_TEXTURE_2D};
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struct SamplerParam {
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int unit;
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GLuint texid;
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GLenum target;
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SamplerParam() : unit(-1), texid(0), target(0) {}
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void set_unit(int new_unit = 0) {
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assert(new_unit >= 0);
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assert(new_unit < 10);
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unit = new_unit;
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target = g_texture_target[new_unit];
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}
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void enable_texture() {
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assert(unit >= 0);
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assert(unit < 10);
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if (texid) {
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glActiveTexture(GL_TEXTURE0 + unit);
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glBindTexture(target, texid);
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}
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}
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void set_texture(GLuint new_texid) {
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texid = new_texid;
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}
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};
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struct FRAGMENTSHADER
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{
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FRAGMENTSHADER() : prog(sZero)
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, program(0)
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, context(0)
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, sMemory(0) // dual context need 2 slots
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, sFinal(2)
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, sBitwiseANDX(3)
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, sBitwiseANDY(4)
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, sInterlace(5)
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, sCLUT(6)
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{
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// Uniform
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sOneColor = (ZZshParameter)offsetof(struct FragmentUniform, g_fOneColor) /4;
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sBitBltZ = (ZZshParameter)offsetof(struct FragmentUniform, g_fBitBltZ) /4;
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sInvTexDims = (ZZshParameter)offsetof(struct FragmentUniform, g_fInvTexDims) /4;
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fTexAlpha = (ZZshParameter)offsetof(struct FragmentUniform, g_fTexAlpha) /4;
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fTexAlpha2 = (ZZshParameter)offsetof(struct FragmentUniform, g_fTexAlpha2) /4;
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fTexOffset = (ZZshParameter)offsetof(struct FragmentUniform, g_fTexOffset) /4;
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fTexDims = (ZZshParameter)offsetof(struct FragmentUniform, g_fTexDims) /4;
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fTexBlock = (ZZshParameter)offsetof(struct FragmentUniform, g_fTexBlock) /4;
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fClampExts = (ZZshParameter)offsetof(struct FragmentUniform, g_fClampExts) /4; // FIXME: There is a bug, that lead FFX-1 to incorrect CLAMP if this uniform have context.
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fTexWrapMode = (ZZshParameter)offsetof(struct FragmentUniform, g_fTexWrapMode) /4;
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fRealTexDims = (ZZshParameter)offsetof(struct FragmentUniform, g_fRealTexDims) /4;
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fTestBlack = (ZZshParameter)offsetof(struct FragmentUniform, g_fTestBlack) /4;
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fPageOffset = (ZZshParameter)offsetof(struct FragmentUniform, g_fPageOffset) /4;
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//sFinal = 2;
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//sBitwiseANDX = 3;
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//sBitwiseANDY = 4;
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//sInterlace = 5;
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//sCLUT = 6;
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samplers[sMemory+0].set_unit(0);
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samplers[sMemory+1].set_unit(0); // Dual context. Use same unit
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samplers[sFinal].set_unit(1);
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samplers[sBitwiseANDX].set_unit(6);
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samplers[sBitwiseANDY].set_unit(7);
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samplers[sInterlace].set_unit(8);
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samplers[sCLUT].set_unit(9);
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}
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ZZshShaderLink prog; // it link to FRAGMENTSHADER structure, for compability between GLSL and CG
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ZZshProgram program;
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ZZshShaderType ShaderType; // Not every PS and VS are used together, only compatible ones.
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uint context;
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FragmentUniform uniform_buffer[ZZSH_CTX_ALL];
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// sampler
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const ZZshParameter sMemory;
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const ZZshParameter sFinal, sBitwiseANDX, sBitwiseANDY, sInterlace, sCLUT;
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SamplerParam samplers[7];
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// uniform
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ZZshParameter sOneColor, sBitBltZ, sInvTexDims;
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ZZshParameter fTexAlpha2, fTexOffset, fTexDims, fTexBlock, fClampExts, fTexWrapMode, fRealTexDims, fTestBlack, fPageOffset, fTexAlpha;
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#ifdef _DEBUG
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string filename;
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#endif
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void ZZshSetParameter4fv(ZZshParameter param, const float* v) {
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if (IsDualContext(param))
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uniform_buffer[context].SettleFloat((int) param, v);
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else
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for ( int i = 0; i < ZZSH_CTX_ALL ; i++)
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uniform_buffer[i].SettleFloat((int) param, v);
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}
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bool IsDualContext(ZZshParameter param) {
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if (param == sInvTexDims || param == sBitBltZ || param == sOneColor)
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return false;
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else
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return true;
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}
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void enable_texture() {
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samplers[0+context].enable_texture(); // sMemory is dual context
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for (int i = 2; i < 7; i++)
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samplers[i].enable_texture();
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}
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void set_texture(ZZshParameter param, GLuint texid) {
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if (param == 0) // sMemory is dual context
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samplers[0+context].set_texture(texid);
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else
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samplers[param].set_texture(texid);
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}
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};
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#endif
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#ifdef GLSL4_API
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struct COMMONSHADER
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{
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COMMONSHADER() : context(0)
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, sBlocks(0)
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, sBilinearBlocks(1)
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, sConv16to32(2)
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, sConv32to16(3)
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{
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// sBlocks = 0;
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// sBilinearBlocks = 1;
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// sConv16to32 = 2;
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// sConv32to16 = 3;
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samplers[sBlocks].set_unit(2);
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samplers[sBilinearBlocks].set_unit(3);
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samplers[sConv16to32].set_unit(4);
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samplers[sConv32to16].set_unit(5);
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g_fparamFogColor = (ZZshParameter)offsetof(struct GlobalUniform, g_fFogColor) /4;
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g_vparamPosXY = (ZZshParameter)offsetof(struct GlobalUniform, g_fPosXY) /4;
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g_fBilinear = (ZZshParameter)offsetof(struct ConstantUniform, g_fBilinear) /4;
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g_fZBias = (ZZshParameter)offsetof(struct ConstantUniform, g_fZbias) /4;
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g_fc0 = (ZZshParameter)offsetof(struct ConstantUniform, g_fc0) /4;
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g_fMult = (ZZshParameter)offsetof(struct ConstantUniform, g_fMult) /4;
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g_fZ = (ZZshParameter)offsetof(struct ConstantUniform, g_fZ) /4;
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g_fZMin = (ZZshParameter)offsetof(struct ConstantUniform, g_fZMin) /4;
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g_fZNorm = (ZZshParameter)offsetof(struct ConstantUniform, g_fZNorm) /4;
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|
g_fExactColor = (ZZshParameter)offsetof(struct ConstantUniform, g_fExactColor) /4;
|
|
|
|
// Setup the constant buffer
|
|
|
|
// Set Z-test, log or no log;
|
|
if (conf.settings().no_logz) {
|
|
g_vdepth = float4( 255.0 /256.0f, 255.0/65536.0f, 255.0f/(65535.0f*256.0f), 1.0f/(65536.0f*65536.0f));
|
|
vlogz = float4( 1.0f, 0.0f, 0.0f, 0.0f);
|
|
}
|
|
else {
|
|
g_vdepth = float4( 256.0f*65536.0f, 65536.0f, 256.0f, 65536.0f*65536.0f);
|
|
vlogz = float4( 0.0f, 1.0f, 0.0f, 0.0f);
|
|
}
|
|
uniform_buffer_constant.SettleFloat(g_fZ, g_vdepth );
|
|
uniform_buffer_constant.SettleFloat(g_fZMin, vlogz );
|
|
|
|
const float g_filog32 = 0.999f / (32.0f * logf(2.0f));
|
|
float4 vnorm = float4(g_filog32, 0, 0,0);
|
|
uniform_buffer_constant.SettleFloat(g_fZNorm, vnorm);
|
|
|
|
uniform_buffer_constant.SettleFloat(g_fBilinear, float4(-0.2f, -0.65f, 0.9f, 1.0f / 32767.0f ) );
|
|
uniform_buffer_constant.SettleFloat(g_fZBias, float4(1.0f/256.0f, 1.0004f, 1, 0.5f) );
|
|
uniform_buffer_constant.SettleFloat(g_fc0, float4(0,1, 0.001f, 0.5f) );
|
|
|
|
uniform_buffer_constant.SettleFloat(g_fExactColor, float4(0.5f, (conf.settings().exact_color)?0.9f/256.0f:0.5f/256.0f, 0,1/255.0f) );
|
|
uniform_buffer_constant.SettleFloat(g_fMult, float4(1/1024.0f, 0.2f/1024.0f, 1/128.0f, 1/512.0f));
|
|
}
|
|
|
|
ZZshParameter g_fparamFogColor, g_vparamPosXY;
|
|
ZZshParameter g_fBilinear, g_fZBias, g_fc0, g_fMult, g_fZ, g_fZMin, g_fZNorm, g_fExactColor;
|
|
uint context;
|
|
|
|
GlobalUniform uniform_buffer[ZZSH_CTX_ALL];
|
|
ConstantUniform uniform_buffer_constant;
|
|
|
|
// Sampler
|
|
const ZZshParameter sBlocks, sBilinearBlocks, sConv16to32, sConv32to16;
|
|
SamplerParam samplers[4];
|
|
|
|
void ZZshSetParameter4fv(ZZshParameter param, const float* v) {
|
|
if (IsDualContext(param))
|
|
uniform_buffer[context].SettleFloat((int) param, v);
|
|
else
|
|
for ( int i = 0; i < ZZSH_CTX_ALL ; i++)
|
|
uniform_buffer[i].SettleFloat((int) param, v);
|
|
}
|
|
|
|
bool IsDualContext(ZZshParameter param) {
|
|
if (param == g_vparamPosXY) return true;
|
|
else return false;
|
|
}
|
|
|
|
void set_texture(ZZshParameter param, GLuint texid) {
|
|
samplers[param].set_texture(texid);
|
|
}
|
|
|
|
void enable_texture() {
|
|
for (int i = 0; i < 4; i++)
|
|
samplers[i].enable_texture();
|
|
}
|
|
};
|
|
#endif
|
|
|
|
#ifndef GLSL4_API
|
|
struct VERTEXSHADER
|
|
{
|
|
VERTEXSHADER() : prog(sZero), Shader(0), sBitBltPos(pZero), sBitBltTex(pZero) {}
|
|
|
|
ZZshShaderLink prog;
|
|
ZZshShader Shader;
|
|
ZZshShaderType ShaderType;
|
|
|
|
ZZshParameter sBitBltPos, sBitBltTex, fBitBltTrans; // vertex shader constants
|
|
|
|
int ParametersStart, ParametersFinish;
|
|
};
|
|
#else
|
|
struct VERTEXSHADER
|
|
{
|
|
|
|
VERTEXSHADER() : prog(sZero), program(0), context(0)
|
|
{
|
|
sBitBltPos = (ZZshParameter)offsetof(struct VertexUniform, g_fBitBltPos) /4;
|
|
sBitBltTex = (ZZshParameter)offsetof(struct VertexUniform, g_fBitBltTex) /4;
|
|
fBitBltTrans = (ZZshParameter)offsetof(struct VertexUniform, g_fBitBltTrans) /4;
|
|
|
|
// Default value not sure it is needed
|
|
uniform_buffer[0].SettleFloat(fBitBltTrans, float4(0.5f, -0.5f, 0.5, 0.5 + 0.4/416.0f ) );
|
|
uniform_buffer[1].SettleFloat(fBitBltTrans, float4(0.5f, -0.5f, 0.5, 0.5 + 0.4/416.0f ) );
|
|
}
|
|
|
|
VertexUniform uniform_buffer[ZZSH_CTX_ALL];
|
|
|
|
ZZshShaderLink prog;
|
|
ZZshProgram program;
|
|
ZZshShaderType ShaderType;
|
|
uint context;
|
|
|
|
ZZshParameter sBitBltPos, sBitBltTex, fBitBltTrans; // vertex shader constants
|
|
|
|
void ZZshSetParameter4fv(ZZshParameter param, const float* v) {
|
|
if (IsDualContext(param))
|
|
uniform_buffer[context].SettleFloat((int) param, v);
|
|
else
|
|
for ( int i = 0; i < ZZSH_CTX_ALL ; i++)
|
|
uniform_buffer[i].SettleFloat((int) param, v);
|
|
}
|
|
|
|
bool IsDualContext(ZZshParameter param) { return false;}
|
|
|
|
};
|
|
#endif
|
|
|
|
extern VERTEXSHADER pvsBitBlt;
|
|
extern FRAGMENTSHADER ppsBitBlt[2], ppsBitBltDepth, ppsOne; // ppsOne used to stop using shaders for draw
|
|
extern FRAGMENTSHADER ppsBaseTexture, ppsConvert16to32, ppsConvert32to16;
|
|
|
|
extern FRAGMENTSHADER ppsRegular[4], ppsTexture[NUM_SHADERS];
|
|
extern FRAGMENTSHADER ppsCRTC[2], /*ppsCRTC24[2],*/ ppsCRTCTarg[2];
|
|
#ifdef GLSL4_API
|
|
extern COMMONSHADER g_cs;
|
|
#endif
|
|
|
|
extern int interlace_mode;
|
|
|
|
enum CRTC_TYPE
|
|
{
|
|
CRTC_RENDER,
|
|
//CRTC_RENDER_24,
|
|
CRTC_RENDER_TARG
|
|
};
|
|
|
|
static __forceinline FRAGMENTSHADER* curr_ppsCRTC() { return &ppsCRTC[interlace_mode]; }
|
|
//static __forceinline FRAGMENTSHADER* curr_ppsCRTC24() { return &ppsCRTC24[interlace_mode]; }
|
|
static __forceinline FRAGMENTSHADER* curr_ppsCRTCTarg() { return &ppsCRTCTarg[interlace_mode]; }
|
|
|
|
static __forceinline FRAGMENTSHADER* curr_pps(CRTC_TYPE render_type)
|
|
{
|
|
switch (render_type)
|
|
{
|
|
case CRTC_RENDER: return curr_ppsCRTC();
|
|
//case CRTC_RENDER_24: return curr_ppsCRTC24();
|
|
case CRTC_RENDER_TARG: return curr_ppsCRTCTarg();
|
|
default: return NULL;
|
|
}
|
|
|
|
}
|
|
// ------------------------- Functions -------------------------------
|
|
|
|
#ifdef NVIDIA_CG_API
|
|
inline bool ZZshExistProgram(FRAGMENTSHADER* pf) {return (pf->prog != NULL); }; // We don't check ps != NULL, so be warned,
|
|
inline bool ZZshExistProgram(VERTEXSHADER* pf) {return (pf->prog != NULL); };
|
|
inline bool ZZshExistProgram(ZZshShaderLink prog) {return (prog != NULL); };
|
|
#endif
|
|
#if defined(GLSL_API) && !defined(GLSL4_API)
|
|
inline bool ZZshExistProgram(FRAGMENTSHADER* pf) {return (pf->Shader != 0); };
|
|
inline bool ZZshExistProgram(VERTEXSHADER* pf) {return (pf->Shader != 0); };
|
|
inline bool ZZshExistProgram(ZZshShaderLink prog) {return (prog.link != NULL); } // This is used for pvs mainly. No NULL means that we do LOAD_VS
|
|
#endif
|
|
#if defined(GLSL4_API)
|
|
inline bool ZZshExistProgram(FRAGMENTSHADER* pf) {return (pf->program != 0); };
|
|
inline bool ZZshExistProgram(VERTEXSHADER* pf) {return (pf->program != 0); };
|
|
inline bool ZZshExistProgram(ZZshShaderLink prog) {return (prog.link != NULL); } // This is used for pvs mainly. No NULL means that we do LOAD_VS
|
|
#endif
|
|
|
|
extern const char* ShaderCallerName;
|
|
extern const char* ShaderHandleName;
|
|
|
|
inline void SetShaderCaller(const char* Name) {
|
|
ShaderCallerName = Name;
|
|
}
|
|
|
|
inline void SetHandleName(const char* Name) {
|
|
ShaderHandleName = Name;
|
|
}
|
|
|
|
inline void ResetShaderCounters() {
|
|
// g_vsprog = g_psprog = sZero;
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////
|
|
// Improvement:
|
|
// * store the location of uniform. Avoid to call glGetUniformLocation a lots of time
|
|
// * Use separate shader build pipeline: current code emulate this behavior but with the recent opengl4
|
|
// it would be much more easier to code it.
|
|
/////////////////////////////////////////////////////////////////
|
|
|
|
// GLSL: Stub
|
|
extern bool ZZshCheckProfilesSupport();
|
|
|
|
// Try various Shader to choose supported configuration
|
|
// g_nPixelShaderVer -> SHADER_ACCURATE and SHADER_REDUCED
|
|
// Honestly we can probably stop supporting those cards.
|
|
extern bool ZZshStartUsingShaders();
|
|
|
|
// Open the shader file into an source array
|
|
extern bool ZZshCreateOpenShadersFile();
|
|
|
|
// Those 2 functions are used to stop/start shader. The idea is to draw the HUD text.
|
|
// Enable is not implemented and it is likely to stop everythings
|
|
extern void ZZshGLDisableProfile();
|
|
extern void ZZshGLEnableProfile();
|
|
|
|
// Set the Uniform parameter in host (NOT GL)
|
|
// Param seem to be an absolute index inside a table of uniform
|
|
extern void ZZshSetParameter4fv(ZZshShaderLink& prog, ZZshParameter param, const float* v, const char* name);
|
|
extern void ZZshSetParameter4fv(ZZshParameter param, const float* v, const char* name);
|
|
extern void ZZshSetParameter4fvWithRetry(ZZshParameter* param, ZZshShaderLink& prog, const float* v, const char* name);
|
|
|
|
// Set the Texture parameter in host (NOT GL)
|
|
extern void ZZshGLSetTextureParameter(ZZshShaderLink prog, ZZshParameter param, GLuint texobj, const char* name);
|
|
extern void ZZshGLSetTextureParameter(ZZshParameter param, GLuint texobj, const char* name);
|
|
|
|
// Set a default value for 1 uniform in host (NOT GL)
|
|
extern void ZZshDefaultOneColor( FRAGMENTSHADER& ptr );
|
|
|
|
// Link then run with the new Vertex/Fragment Shader
|
|
extern void ZZshSetVertexShader(ZZshShaderLink prog);
|
|
extern void ZZshSetPixelShader(ZZshShaderLink prog);
|
|
|
|
// Compile standalone Fragment/Vertex shader program
|
|
// Note It also init all the Uniform parameter in host (NOT GL)
|
|
extern bool ZZshLoadExtraEffects();
|
|
|
|
// Clean some stuff on exit
|
|
extern void ZZshExitCleaning();
|
|
|
|
extern FRAGMENTSHADER* ZZshLoadShadeEffect(int type, int texfilter, int fog, int testaem, int exactcolor, const clampInfo& clamp, int context, bool* pbFailed);
|
|
|
|
// only sets a limited amount of state (for Update)
|
|
void SetTexVariablesInt(int context, int bilinear, const tex0Info& tex0, bool CheckVB, FRAGMENTSHADER* pfragment, int force);
|
|
|
|
extern u32 ptexBlocks; // holds information on block tiling. It's texture number in OpenGL -- if 0 than such texture
|
|
extern u32 ptexConv16to32; // does not exists. This textures should be created on start and released on finish.
|
|
extern u32 ptexBilinearBlocks;
|
|
extern u32 ptexConv32to16;
|
|
|
|
#ifdef GLSL4_API
|
|
extern GSUniformBufferOGL *constant_buffer;
|
|
extern GSUniformBufferOGL *common_buffer;
|
|
extern GSUniformBufferOGL *vertex_buffer;
|
|
extern GSUniformBufferOGL *fragment_buffer;
|
|
extern GSVertexBufferStateOGL *vertex_array;
|
|
|
|
extern void init_shader();
|
|
extern void PutParametersInProgram(VERTEXSHADER* vs, FRAGMENTSHADER* ps);
|
|
extern void init_shader();
|
|
|
|
#endif
|
|
|
|
#endif
|