void OpenGLShaderQuad::SetParametersFromList(IPluginObjectInstance *pInstance) {
for(int i=0;i<shaderParams.size();i++) {
OpenGLShaderParameter *param = shaderParams[i];
std::string name = param->GetName();
unsigned int idParam = program->GetUniform(name.c_str());
if (idParam == -1) { // missing in shader
if (!param->WarningIssued()) {
pInstance->GetLogger()->Error("Parameter '%s' not found in shader!", name.c_str());
param->SetWarningFlag();
}
continue;
}
switch(param->GetType()) {
case kParamType_Float :
glUniform1f(idParam, param->GetFloat());
break;
case kParamType_Vec3 :
{
float tmp[3];
param->GetVec3(tmp);
glUniform3f(idParam, tmp[0], tmp[1], tmp[2]);
}
break;
default :
// not supported just yet...
break;
}
}
}
void OpenGLShaderQuad::PostInitialize(ISystem *ySys, IPluginObjectInstance *pInstance) {
OpenGLShaderBase::Initialize(ySys,
std::string(vertexshader_source->v->string),
std::string(pixelshader_source->v->string));
OpenGLShaderBase::ReloadIfNeeded(true);
if (program == NULL) {
ySys->GetLogger("GLShaderQuad")->Error("Shader program load error");
exit(1);
}
// TODO: Go through children and find any shader parameters
IDocNode *pNode = pInstance->GetDocumentNode();
int nChildren = pNode->GetNumChildren(kNodeType_ObjectInstance);
if (nChildren == 0) return;
pInstance->GetLogger()->Debug("Checking %d child nodes for shader parameters",nChildren);
for (int i=0;i<nChildren;i++)
{
// IPluginObjectInstance *pObject = pDoc->GetChildAt(pInstance, i, kNodeType_ObjectInstance);
IDocNode *pChildNode = pNode->GetChildAt(i, kNodeType_ObjectInstance);
IPluginObjectInstance *pObject = dynamic_cast<IPluginObjectInstance *>(pChildNode->GetNodeObject());
OpenGLShaderParameter *shaderParam = dynamic_cast<OpenGLShaderParameter *> (pObject->GetExtObject());
if (shaderParam != NULL)
{
shaderParams.push_back(shaderParam);
} else
{
pInstance->GetLogger()->Error("Unsupported child type, gl.ShaderQuad only supports 'gl.ShaderParam'");
}
}
pInstance->GetLogger()->Debug("Dump params");
for(int i=0;i<shaderParams.size();i++) {
OpenGLShaderParameter *param = shaderParams[i];
std::string name = param->GetName();
std::string tname = param->GetTypeName();
ShaderParamType tParam = param->GetType();
pInstance->GetLogger()->Debug(" name: %s, type=%s (%d)", name.c_str(), tname.c_str(), tParam);
}
}
void OpenGLShaderQuad::SetParametersFromList(IPluginObjectInstance *pInstance) {
for(int i=0;i<shaderParams.size();i++) {
OpenGLShaderParameter *param = shaderParams[i];
std::string name = param->GetName();
int idParam = program->GetUniform(name.c_str());
if (idParam == -1) { // missing in shader
if (!param->WarningIssued()) {
pInstance->GetLogger()->Error("Parameter '%s' not found in shader!", name.c_str());
param->SetWarningFlag();
exit(1);
}
continue;
}
// printf("%d:%s\n",i,name.c_str());
switch(param->GetType()) {
case kParamType_Float :
glUniform1f(idParam, param->GetFloat());
break;
case kParamType_Vec3 :
{
float tmp[3];
param->GetVec3(tmp);
glUniform3f(idParam, tmp[0], tmp[1], tmp[2]);
}
break;
case kParamType_Texture :
{
glActiveTexture(GL_TEXTURE0+texture_count);
glBindTexture(GL_TEXTURE_2D,param->GetTexture());
glUniform1i(idParam, texture_count); // texture_count);
int err = glGetError();
if (err != GL_NO_ERROR) {
pInstance->GetLogger()->Error("Unable to bind texture for param: %s (error=%d)",name.c_str(),err);
}
texture_count++;
}
default :
// not supported just yet...
break;
}
}
}
