93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
//
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// GLProgram.cpp
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// OpenSpades
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//
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// Created by yvt on 7/12/13.
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// Copyright (c) 2013 yvt.jp. All rights reserved.
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//
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#include "GLProgram.h"
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#include "GLShader.h"
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#include "../Core/Exception.h"
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#include "../Core/Debug.h"
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#include <string.h>
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#include <stdio.h>
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namespace spades {
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namespace draw {
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GLProgram::GLProgram(IGLDevice *d, std::string name):
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device(d),name(name){
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SPADES_MARK_FUNCTION();
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handle = device->CreateProgram();
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}
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GLProgram::~GLProgram() {
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SPADES_MARK_FUNCTION();
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device->DeleteProgram(handle);
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}
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void GLProgram::Attach(spades::draw::GLShader *shader){
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SPADES_MARK_FUNCTION();
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device->AttachShader(handle, shader->GetHandle());
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}
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void GLProgram::Attach(IGLDevice::UInteger shader){
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SPADES_MARK_FUNCTION();
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device->AttachShader(handle, shader);
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}
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void GLProgram::Link(){
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SPADES_MARK_FUNCTION();
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device->LinkProgram(handle);
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std::vector<char> errMsg;
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errMsg.resize(device->GetProgramInteger(handle, IGLDevice::InfoLogLength) + 1);
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IGLDevice::Sizei outLen;
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device->GetProgramInfoLog(handle, errMsg.size(), &outLen, errMsg.data());
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errMsg[outLen] = 0;
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std::string err = errMsg.data();
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if(device->GetProgramInteger(handle, IGLDevice::LinkStatus) == 0){
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// error
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SPRaise("Error while linking a program '%s':\n\n%s",name.c_str(), err.c_str());
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}else{
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if(errMsg.size() > 4){
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SPLog("Messages for linking program '%s':\n%s",
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name.c_str(), err.c_str());
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}
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}
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linked = true;
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}
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void GLProgram::Validate(){
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SPADES_MARK_FUNCTION();
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device->ValidateProgram(handle);
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if(device->GetProgramInteger(handle, IGLDevice::ValidateStatus) == 0){
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// error
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std::vector<char> errMsg;
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errMsg.resize(device->GetProgramInteger(handle, IGLDevice::InfoLogLength) + 1);
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IGLDevice::Sizei outLen;
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device->GetShaderInfoLog(handle, errMsg.size(), &outLen, errMsg.data());
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errMsg[outLen] = 0;
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std::string err = errMsg.data();
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SPRaise("Validation error while linking a program '%s':\n\n%s",
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name.c_str(),errMsg.data());
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}
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}
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void GLProgram::Use(){
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SPADES_MARK_FUNCTION();
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device->UseProgram(handle);
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}
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}
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}
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