mirror of
https://github.com/libretro/snes9x.git
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135 lines
3.7 KiB
C++
135 lines
3.7 KiB
C++
/*****************************************************************************\
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Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
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This file is licensed under the Snes9x License.
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For further information, consult the LICENSE file in the root directory.
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\*****************************************************************************/
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#include "CCGShader.h"
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#include "../conffile.h"
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CCGShader::CCGShader(void)
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{
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}
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CCGShader::~CCGShader(void)
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{
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}
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cgScaleType CCGShader::scaleStringToEnum(const char *scale)
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{
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if(!strcasecmp(scale,"source")) {
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return CG_SCALE_SOURCE;
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} else if(!strcasecmp(scale,"viewport")) {
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return CG_SCALE_VIEWPORT;
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} else if(!strcasecmp(scale,"absolute")) {
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return CG_SCALE_ABSOLUTE;
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} else {
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return CG_SCALE_NONE;
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}
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}
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bool CCGShader::LoadShader(const char *path)
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{
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ConfigFile conf;
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int shaderCount;
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char keyName[100];
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shaderPasses.clear();
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lookupTextures.clear();
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if(strlen(path)<4 || strcasecmp(&path[strlen(path)-4],".cgp")) {
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shaderPass pass;
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pass.scaleParams.scaleTypeX = CG_SCALE_NONE;
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pass.scaleParams.scaleTypeY = CG_SCALE_NONE;
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pass.linearFilter = false;
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pass.filterSet = false;
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strcpy(pass.cgShaderFile,path);
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shaderPasses.push_back(pass);
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return true;
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} else {
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conf.LoadFile(path);
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}
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shaderCount = conf.GetInt("::shaders",0);
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if(shaderCount<1)
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return false;
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for(int i=0;i<shaderCount;i++) {
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shaderPass pass;
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sprintf(keyName,"::filter_linear%u",i);
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pass.linearFilter = conf.GetBool(keyName);
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pass.filterSet = conf.Exists(keyName);
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sprintf(keyName,"::scale_type%u",i);
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const char *scaleType = conf.GetString(keyName,"");
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if(!strcasecmp(scaleType,"")) {
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sprintf(keyName,"::scale_type_x%u",i);
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const char *scaleTypeX = conf.GetString(keyName,"");
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if(*scaleTypeX=='\0' && (i!=(shaderCount-1)))
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scaleTypeX = "source";
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pass.scaleParams.scaleTypeX = scaleStringToEnum(scaleTypeX);
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sprintf(keyName,"::scale_type_y%u",i);
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const char *scaleTypeY = conf.GetString(keyName,"");
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if(*scaleTypeY=='\0' && (i!=(shaderCount-1)))
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scaleTypeY = "source";
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pass.scaleParams.scaleTypeY = scaleStringToEnum(scaleTypeY);
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} else {
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cgScaleType sType = scaleStringToEnum(scaleType);
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pass.scaleParams.scaleTypeX = sType;
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pass.scaleParams.scaleTypeY = sType;
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}
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sprintf(keyName,"::scale%u",i);
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const char *scaleFloat = conf.GetString(keyName,"");
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int scaleInt = conf.GetInt(keyName,0);
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if(!strcasecmp(scaleFloat,"")) {
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sprintf(keyName,"::scale_x%u",i);
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const char *scaleFloatX = conf.GetString(keyName,"1.0");
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pass.scaleParams.scaleX = atof(scaleFloatX);
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pass.scaleParams.absX = conf.GetInt(keyName,1);
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sprintf(keyName,"::scale_y%u",i);
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const char *scaleFloatY = conf.GetString(keyName,"1.0");
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pass.scaleParams.scaleY = atof(scaleFloatY);
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pass.scaleParams.absY = conf.GetInt(keyName,1);
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} else {
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float floatval = atof(scaleFloat);
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pass.scaleParams.scaleX = floatval;
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pass.scaleParams.absX = scaleInt;
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pass.scaleParams.scaleY = floatval;
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pass.scaleParams.absY = scaleInt;
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}
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sprintf(keyName,"::shader%u",i);
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strcpy(pass.cgShaderFile,conf.GetString(keyName,""));
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sprintf(keyName,"::frame_count_mod%u",i);
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pass.frameCounterMod = conf.GetInt(keyName,0);
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sprintf(keyName,"::float_framebuffer%u",i);
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pass.floatFbo = conf.GetBool(keyName);
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shaderPasses.push_back(pass);
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}
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char *shaderIds = conf.GetStringDup("::textures","");
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char *id = strtok(shaderIds,";");
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while(id!=NULL) {
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lookupTexture tex;
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sprintf(keyName,"::%s",id);
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strcpy(tex.id,id);
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strcpy(tex.texturePath,conf.GetString(keyName,""));
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sprintf(keyName,"::%s_linear",id);
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tex.linearfilter = conf.GetBool(keyName,true);
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lookupTextures.push_back(tex);
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id = strtok(NULL,";");
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}
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free(shaderIds);
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return true;
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}
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