void oper::setupOperators(uint eType, uint order, geo *inGeo, input *inParams)
{
// Get access to basic data
Geo = inGeo;
params = inParams;
nDims = Geo->nDims;
nFields = params->nFields;
this->eType = eType;
this->order = order;
vector<point> loc_spts = Geo->getLocSpts(eType,order);
vector<point> loc_fpts = Geo->getLocFpts(eType,order);
// Set up each operator
setupExtrapolateSptsFpts(loc_spts, loc_fpts);
setupExtrapolateSptsMpts(loc_spts);
setupGradSpts(loc_spts);
setupCorrection(loc_spts,loc_fpts);
}
bool StGLImageProgram::init(StGLContext& theCtx,
const StImage::ImgColorModel theColorModel,
const StImage::ImgColorScale theColorScale,
const FragGetColor theFilter) {
// re-configure shader parts when required
bool isChanged = myActiveProgram.isNull();
isChanged = setFragmentShaderPart(theCtx, FragSection_Main, 0) || isChanged;
isChanged = setFragmentShaderPart(theCtx, FragSection_Gamma,
stAreEqual(params.gamma->getValue(), 1.0f, 0.0001f) ? FragGamma_Off : FragGamma_On) || isChanged;
isChanged = setFragmentShaderPart(theCtx, FragSection_Correct,
params.brightness->isDefaultValue()
&& params.saturation->isDefaultValue()
&& hasNoColorScale() ? FragCorrect_Off : FragCorrect_On) || isChanged;
int aToRgb = getColorShader(theColorModel, theColorScale);
if(aToRgb >= FragToRgb_FromYuvFull
&& theFilter == FragGetColor_Cubemap) {
aToRgb += FragToRgb_CUBEMAP;
}
isChanged = setFragmentShaderPart(theCtx, FragSection_ToRgb, aToRgb) || isChanged;
isChanged = setFragmentShaderPart(theCtx, FragSection_GetColor, theFilter) || isChanged;
isChanged = setVertexShaderPart (theCtx, 0, theFilter == FragGetColor_Cubemap ? VertMain_Cubemap : VertMain_Normal) || isChanged;
if(isChanged) {
if(!initProgram(theCtx)) {
return false;
}
myActiveProgram->uniProjMatLoc = myActiveProgram->getUniformLocation(theCtx, "uProjMat");
myActiveProgram->uniModelMatLoc = myActiveProgram->getUniformLocation(theCtx, "uModelMat");
uniTexMainDataLoc = myActiveProgram->getUniformLocation(theCtx, "uTexData");
uniTexUVDataLoc = myActiveProgram->getUniformLocation(theCtx, "uTexUVData");
uniTexSizePxLoc = myActiveProgram->getUniformLocation(theCtx, "uTexSizePx");
uniTexelSizePxLoc = myActiveProgram->getUniformLocation(theCtx, "uTexelSize");
uniColorProcessingLoc = myActiveProgram->getUniformLocation(theCtx, "uColorProcessing");
uniGammaLoc = myActiveProgram->getUniformLocation(theCtx, "uGamma");
myActiveProgram->atrVVertexLoc = myActiveProgram->getAttribLocation(theCtx, "vVertex");
myActiveProgram->atrVTCoordLoc = myActiveProgram->getAttribLocation(theCtx, "vTexCoord");
StGLVarLocation uniTextureLoc = myActiveProgram->getUniformLocation(theCtx, "uTexture");
StGLVarLocation uniTextureULoc = myActiveProgram->getUniformLocation(theCtx, "uTextureU");
StGLVarLocation uniTextureVLoc = myActiveProgram->getUniformLocation(theCtx, "uTextureV");
myActiveProgram->use(theCtx);
theCtx.core20fwd->glUniform1i(uniTextureLoc, StGLProgram::TEXTURE_SAMPLE_0);
theCtx.core20fwd->glUniform1i(uniTextureULoc, StGLProgram::TEXTURE_SAMPLE_1);
theCtx.core20fwd->glUniform1i(uniTextureVLoc, StGLProgram::TEXTURE_SAMPLE_2);
myActiveProgram->unuse(theCtx);
/*if (!uniModelMatLoc.isValid()
|| !uniTexMainDataLoc.isValid()
//|| !uniTexSizePxLoc.isValid()
//|| !uniTexelSizePxLoc.isValid()
//|| !uniSmoothFilterLoc.isValid()
//|| !uniColorProcessingLoc
|| !atrVVertexLoc.isValid()
|| !atrVTCoordLoc.isValid()
|| !uniTextureLoc.isValid()) {
return false;
}*/
}
if(!isValid()) {
return false;
}
myActiveProgram->use(theCtx);
if(getFragmentShaderPart(FragSection_Gamma) != FragGamma_Off) {
GLfloat aReversed = 1.0f / params.gamma->getValue();
StGLVec4 aVec(aReversed, aReversed, aReversed, 1.0f);
theCtx.core20fwd->glUniform4fv(uniGammaLoc, 1, aVec);
}
setupCorrection(theCtx);
myActiveProgram->unuse(theCtx);
const StGLResources aShaders("StGLWidgets");
return true;
}
