void CShadowHandler::LoadShadowGenShaderProgs()
{
shadowGenProgs.resize(SHADOWGEN_PROGRAM_LAST);
static const std::string shadowGenProgNames[SHADOWGEN_PROGRAM_LAST] = {
"ARB/unit_genshadow.vp",
"ARB/groundshadow.vp",
"ARB/treeShadow.vp",
"ARB/treeFarShadow.vp",
"ARB/projectileshadow.vp",
};
static const std::string shadowGenProgHandles[SHADOWGEN_PROGRAM_LAST] = {
"ShadowGenShaderProgModel",
"ShadowGenshaderProgMap",
"ShadowGenshaderProgTreeNear",
"ShadowGenshaderProgTreeDist",
"ShadowGenshaderProgProjectile",
};
static const std::string shadowGenProgDefines[SHADOWGEN_PROGRAM_LAST] = {
"#define SHADOWGEN_PROGRAM_MODEL\n",
"#define SHADOWGEN_PROGRAM_MAP\n",
"#define SHADOWGEN_PROGRAM_TREE_NEAR\n",
"#define SHADOWGEN_PROGRAM_TREE_DIST\n",
"#define SHADOWGEN_PROGRAM_PROJECTILE\n",
};
CShaderHandler* sh = shaderHandler;
if (globalRendering->haveGLSL) {
for (int i = 0; i < SHADOWGEN_PROGRAM_LAST; i++) {
Shader::IProgramObject* po = sh->CreateProgramObject("[ShadowHandler]", shadowGenProgHandles[i] + "GLSL", false);
Shader::IShaderObject* so = sh->CreateShaderObject("GLSL/ShadowGenVertProg.glsl", shadowGenProgDefines[i], GL_VERTEX_SHADER);
po->AttachShaderObject(so);
po->Link();
po->SetUniformLocation("shadowParams");
po->SetUniformLocation("cameraDirX"); // used by SHADOWGEN_PROGRAM_TREE_NEAR
po->SetUniformLocation("cameraDirY"); // used by SHADOWGEN_PROGRAM_TREE_NEAR
po->SetUniformLocation("treeOffset"); // used by SHADOWGEN_PROGRAM_TREE_NEAR
shadowGenProgs[i] = po;
}
} else {
for (int i = 0; i < SHADOWGEN_PROGRAM_LAST; i++) {
Shader::IProgramObject* po = sh->CreateProgramObject("[ShadowHandler]", shadowGenProgHandles[i] + "ARB", true);
Shader::IShaderObject* so = sh->CreateShaderObject(shadowGenProgNames[i], "", GL_VERTEX_PROGRAM_ARB);
po->AttachShaderObject(so);
po->Link();
shadowGenProgs[i] = po;
}
}
drawShadows = true;
}
Shader::IProgramObject* CShaderHandler::CreateProgramObject(
const std::string& poClass,
const std::string& poName,
const std::string& vsStr,
const std::string& vsDefs,
const std::string& fsStr,
const std::string& fsDefs,
bool arbProgram
) {
Shader::IProgramObject* po = CreateProgramObject(poClass, poName, arbProgram);
if (po->IsValid()) {
return po;
}
Shader::IShaderObject* vso = CreateShaderObject(vsStr, vsDefs, (arbProgram? GL_VERTEX_PROGRAM_ARB: GL_VERTEX_SHADER));
Shader::IShaderObject* fso = CreateShaderObject(fsStr, fsDefs, (arbProgram? GL_FRAGMENT_PROGRAM_ARB: GL_FRAGMENT_SHADER));
po->AttachShaderObject(vso);
po->AttachShaderObject(fso);
po->Link();
if (!po->IsValid()) {
logOutput.Print("[CShaderHandler::CreateProgramObject]\n");
logOutput.Print("\tprogram-object name: %s, link-log:\n%s\n", poName.c_str(), po->GetLog().c_str());
}
return po;
}
Shader::IProgramObject* CShaderHandler::CreateProgramObject(
const std::string& poClass,
const std::string& poName,
const std::string& vsStr,
const std::string& vsDefs,
const std::string& fsStr,
const std::string& fsDefs,
bool arbProgram
) {
Shader::IProgramObject* po = CreateProgramObject(poClass, poName, arbProgram);
if (po->IsValid()) {
return po;
}
Shader::IShaderObject* vso = CreateShaderObject(vsStr, vsDefs, (arbProgram? GL_VERTEX_PROGRAM_ARB: GL_VERTEX_SHADER));
Shader::IShaderObject* fso = CreateShaderObject(fsStr, fsDefs, (arbProgram? GL_FRAGMENT_PROGRAM_ARB: GL_FRAGMENT_SHADER));
po->AttachShaderObject(vso);
po->AttachShaderObject(fso);
po->Link();
po->Validate();
if (!po->IsValid()) {
const char* fmt = "[%s]\n\tprogram-object name: %s, link-log:\n%s";
const char* log = po->GetLog().c_str();
LOG_L(L_WARNING, fmt, __FUNCTION__, poName.c_str(), log);
}
return po;
}