// load shaders.
bool COGModelShader::Load (OGShaderID _Id, const std::string& _VertShader, const std::string& _FragmentShader)
{
if(ShaderLoadFromFile(_FragmentShader.c_str(), GL_FRAGMENT_SHADER, &m_uiFragShader) == 0)
return false;
if(ShaderLoadFromFile(_VertShader.c_str(), GL_VERTEX_SHADER, &m_uiVertShader) == 0)
return false;
const char* pszAttribs[] = { "inVertex", "inNormal", "inTexCoord" };
if (CreateProgram(&m_uiId, m_uiVertShader, m_uiFragShader, pszAttribs, 3) == 0)
return false;
m_uiMVPMatrixLoc = glGetUniformLocation(m_uiId, "MVPMatrix");
m_uiMVMatrixLoc = glGetUniformLocation(m_uiId, "MVMatrix");
m_uiLightDirLoc = glGetUniformLocation(m_uiId, "LightDirection");
m_uiTextureLoc = glGetUniformLocation(m_uiId, "sTexture");
m_uiFogEndLoc = glGetUniformLocation(m_uiId, "FogEnd");
m_uiFogRcpDiffLoc = glGetUniformLocation(m_uiId, "FogRcpEndStartDiff");
m_uiFogColorLoc = glGetUniformLocation(m_uiId, "FogColor");
m_uiFogEnabled = glGetUniformLocation(m_uiId, "FogEnabled");
m_uiMaterialAmbient = glGetUniformLocation(m_uiId, "MaterialAmbient");
m_uiMaterialDiffuse = glGetUniformLocation(m_uiId, "MaterialDiffuse");
m_Id = _Id;
return true;
}
// load shaders.
bool COGShadowTransparentModelShader::Load (OGShaderID _Id, const std::string& _VertShader, const std::string& _FragmentShader)
{
if(ShaderLoadFromFile(_FragmentShader.c_str(), GL_FRAGMENT_SHADER, &m_uiFragShader) == 0)
return false;
if(ShaderLoadFromFile(_VertShader.c_str(), GL_VERTEX_SHADER, &m_uiVertShader) == 0)
return false;
const char* pszAttribs[] = { "inVertex", "inNormal", "inTexCoord" };
if (CreateProgram(&m_uiId, m_uiVertShader, m_uiFragShader, pszAttribs, 3) == 0)
return false;
m_uiMVPMatrixLoc = glGetUniformLocation(m_uiId, "MVPMatrix");
m_uiTextureLoc = glGetUniformLocation(m_uiId, "sTexture");
m_uiAlphaReference = glGetUniformLocation(m_uiId, "AlphaReference");
m_Id = _Id;
m_fAlphaRef = 0.5f;
return true;
}
ShaderData::ShaderData( const char *vertShaderFilename, const char *fragShaderFilename )
{
char buffer[2048];
GetResourcePathASCII(buffer, 2048);
CPVRTResourceFile::SetReadPath(buffer);
/* Gets the Data Path */
if(ShaderLoadFromFile("blank",fragShaderFilename, GL_FRAGMENT_SHADER, 0, &uiFragShader) == 0)
printf("Loading the fragment shader fails:%s", fragShaderFilename);
if(ShaderLoadFromFile("blank", vertShaderFilename, GL_VERTEX_SHADER, 0, &uiVertShader) == 0)
printf("Loading the vertex shader fails:%s", vertShaderFilename);
CreateProgram(&uiProgramObject, uiVertShader, uiFragShader, pszAttribs, sizeof(pszAttribs)/sizeof(pszAttribs[0]) );
// First gets the location of that variable in the shader using its name
PMVMatrixHandle = glGetUniformLocation(uiProgramObject, "u_ModelViewProjectionMatrix");
MVMatrixHandle = glGetUniformLocation(uiProgramObject, "u_ModelViewMatrix");
TIMMatrixHandle = glGetUniformLocation(uiProgramObject, "u_TrasposeInverseModelMatrix");
ModelMatrixHandle = glGetUniformLocation(uiProgramObject, "u_ModelMatrix");
ViewMatrixHandle = glGetUniformLocation(uiProgramObject, "u_ViewMatrix");
EyePositionHandle = glGetUniformLocation(uiProgramObject, "myEye");
LightDirectionHandle = glGetUniformLocation(uiProgramObject, "light_direction");
LightPositionHandle = glGetUniformLocation(uiProgramObject, "light_position");
AmbientICHandle = glGetUniformLocation(uiProgramObject, "ambient_ic");
DiffuseICHandle = glGetUniformLocation(uiProgramObject, "diffuse_ic");
SpecularICHandle = glGetUniformLocation(uiProgramObject, "specular_ic");
MaterialShininessHandle = glGetUniformLocation(uiProgramObject, "material_shininess");
ColorHandle = glGetUniformLocation(uiProgramObject, "u_Color");
TextureHandle = glGetUniformLocation(uiProgramObject, "s_texture");
NormalMapHandle = glGetUniformLocation(uiProgramObject, "s_normalmap");
NoiseOffsetHandle= glGetUniformLocation(uiProgramObject, "u_offset");
}
