source: trunk/packages/vizservers/nanovis/NvShader.cpp @ 1497

#include <stdio.h>
#include "global.h"
#include "NvShader.h"

CGcontext g_context = 0;

void NvInitCG()
{
    g_context = cgCreateContext();
}

NvShader::NvShader()

: _cgVP(0), _cgFP(0)
{
}

NvShader::~NvShader()
{
    resetPrograms();
}

void NvShader::loadVertexProgram(const char* fileName, const char* entryPoint)
{
    resetPrograms();

    _cgFP = LoadCgSourceProgram(g_context, fileName, CG_PROFILE_VP30, entryPoint);
}

void NvShader::loadFragmentProgram(const char* fileName, const char* entryPoint)
{
    _cgFP = LoadCgSourceProgram(g_context, fileName, CG_PROFILE_FP30, entryPoint);
}

void NvShader::resetPrograms()
{
    if (_cgVP > 0)
    {
        cgDestroyProgram(_cgVP);
    }

    if (_cgFP > 0)
    {
        cgDestroyProgram(_cgFP);
    }
}

void NvShader::setErrorCallback(NvCgCallbackFunction callback)
{
        printf("NvShader callback\n");
    cgSetErrorCallback(callback);
}