void PhongMaterial::prepareLocalChunks(void)
{
if(_materialChunk != NullFC)
return;
_materialChunk = MaterialChunk::create();
addRefCP(_materialChunk);
_blendChunk = BlendChunk::create();
addRefCP(_blendChunk);
beginEditCP(_blendChunk);
_blendChunk->setSrcFactor (GL_SRC_ALPHA);
_blendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);
endEditCP (_blendChunk);
// phong shading without a fragment shader looks quite black ;-)
// all cards with a fragment shader should also have a vertex shader.
// calling hasCommonExtension() here is not a good idea as this works
// only for a initialized window, I added a check to hasCommonExtension()
// so this won't crash anymore.
if(Window::hasCommonExtension(_arbFragmentProgram))
{
_vpChunk = VertexProgramChunk::create();
addRefCP(_vpChunk);
beginEditCP(_vpChunk);
_vpChunk->setProgram(_phong_vp_prg);
endEditCP(_vpChunk);
_fpChunk = FragmentProgramChunk::create();
addRefCP(_fpChunk);
createFragmentProgram();
}
}
void RenderMethod_Grass_CG::setupShader(CGcontext &cg,
CGprofile &_cgVertexProfile,
CGprofile &_cgFragmentProfile) {
RenderMethod::setupShader(cg, _cgVertexProfile, _cgFragmentProfile);
createVertexProgram(cg, FileName("data/shaders/cg/grass.vp.cg"));
createFragmentProgram(cg, FileName("data/shaders/cg/grass.fp.cg"));
// Vertex program parameters
cgMVP = getVertexProgramParameter (cg, "MVP");
cgView = getVertexProgramParameter (cg, "View");
cgViewI = getVertexProgramParameter (cg, "ViewI");
cgLightPos = getVertexProgramParameter (cg, "LightPos");
cgCameraPos = getVertexProgramParameter (cg, "CameraPos");
cgCameraRight = getVertexProgramParameter (cg, "CameraRight");
cgCameraUp = getVertexProgramParameter (cg, "CameraUp");
cgTime = getVertexProgramParameter (cg, "time");
// Fragment program parameters
cgTexture = getFragmentProgramParameter(cg, "tex0");
cgKa = getFragmentProgramParameter(cg, "Ka");
cgKd = getFragmentProgramParameter(cg, "Kd");
cgkC = getFragmentProgramParameter(cg, "kC");
cgkL = getFragmentProgramParameter(cg, "kL");
cgkQ = getFragmentProgramParameter(cg, "kQ");
}
StatePtr PhongMaterial::makeState(void)
{
StatePtr state = State::create();
prepareLocalChunks();
Color3f v3;
Color4f v4;
float alpha = 1.f - getTransparency();
prepareLocalChunks();
beginEditCP(_materialChunk);
v3 = getAmbient();
v4.setValuesRGBA(v3[0], v3[1], v3[2], alpha);
_materialChunk->setAmbient(v4);
v3 = getDiffuse();
v4.setValuesRGBA(v3[0], v3[1], v3[2], alpha);
_materialChunk->setDiffuse(v4);
v3 = getSpecular();
v4.setValuesRGBA(v3[0], v3[1], v3[2], alpha);
_materialChunk->setSpecular(v4);
_materialChunk->setShininess(getShininess());
v3 = getEmission();
v4.setValuesRGBA(v3[0], v3[1], v3[2], alpha);
_materialChunk->setEmission(v4);
_materialChunk->setLit(getLit());
_materialChunk->setColorMaterial(getColorMaterial());
endEditCP (_materialChunk);
state->addChunk(_materialChunk);
if(isTransparent())
state->addChunk(_blendChunk);
if(_vpChunk != NullFC)
state->addChunk(_vpChunk);
createFragmentProgram();
if(_fpChunk != NullFC)
state->addChunk(_fpChunk);
for(MFStateChunkPtr::iterator i = _mfChunks.begin();
i != _mfChunks.end();
++i)
{
state->addChunk(*i);
}
return state;
}
void RenderMethod_CGTest::setupShader(CGcontext &cg,
CGprofile &_cgVertexProfile,
CGprofile &_cgFragmentProfile) {
RenderMethod::setupShader(cg, _cgVertexProfile, _cgFragmentProfile);
createVertexProgram(cg, FileName("data/shaders/cg/test.vp.cg"));
createFragmentProgram(cg, FileName("data/shaders/cg/test.fp.cg"));
// get handles shader program parameters
cgProj = getVertexProgramParameter (cg, "Proj");
cgView = getVertexProgramParameter (cg, "View");
cgTexture = getFragmentProgramParameter(cg, "tex0");
// setup shader constants
cgGLSetStateMatrixParameter(cgProj, CG_GL_PROJECTION_MATRIX, CG_GL_MATRIX_IDENTITY);
cgSetParameterVariability(cgProj, CG_LITERAL); // make it a constant
}
void RenderMethod_TerrainPhong_CG::setupShader(CGcontext &cg,
CGprofile &_cgVertexProfile,
CGprofile &_cgFragmentProfile) {
RenderMethod::setupShader(cg, _cgVertexProfile, _cgFragmentProfile);
createVertexProgram(cg, FileName("data/shaders/cg/terrain.vp.cg"));
createFragmentProgram(cg, FileName("data/shaders/cg/terrain.fp.cg"));
// Vertex program parameters
cgMVP = getVertexProgramParameter (cg, "MVP");
cgView = getVertexProgramParameter (cg, "View");
cgCameraPos = getVertexProgramParameter (cg, "CameraPos");
cgLightDir = getFragmentProgramParameter(cg, "LightDir");
cgTexture = getFragmentProgramParameter(cg, "tex0");
cgKa = getFragmentProgramParameter(cg, "Ka");
cgKd = getFragmentProgramParameter(cg, "Kd");
}
//---------------------------------------------------------------------
HighLevelGpuProgramPtr
TerrainMaterialGeneratorC::SM2Profile::ShaderHelper::generateFragmentProgram(
const SM2Profile* prof, const Terrain* terrain, TechniqueType tt)
{
HighLevelGpuProgramPtr ret = createFragmentProgram(prof, terrain, tt);
StringUtil::StrStreamType sourceStr;
generateFragmentProgramSource(prof, terrain, tt, sourceStr);
ret->setSource(sourceStr.str());
ret->load();
defaultFpParams(prof, terrain, tt, ret);
#if 1
LogManager::getSingleton().stream(LML_TRIVIAL) << "*** Terrain Fragment Program: "
<< ret->getName() << " ***\n" << ret->getSource() << "\n*** ***";
#endif
return ret;
}
void RenderMethod_PhongPoint_CG::setupShader(CGcontext &cg,
CGprofile &_cgVertexProfile,
CGprofile &_cgFragmentProfile) {
RenderMethod::setupShader(cg, _cgVertexProfile, _cgFragmentProfile);
createVertexProgram(cg, FileName("data/shaders/cg/phong_point.vp.cg"));
createFragmentProgram(cg, FileName("data/shaders/cg/phong_point.fp.cg"));
// Vertex program parameters
cgMVP = getVertexProgramParameter (cg, "MVP");
cgView = getVertexProgramParameter (cg, "View");
cgLightPos = getVertexProgramParameter (cg, "LightPos");
cgCameraPos = getVertexProgramParameter (cg, "CameraPos");
cgTexture = getFragmentProgramParameter(cg, "tex0");
cgKa = getFragmentProgramParameter(cg, "Ka");
cgKd = getFragmentProgramParameter(cg, "Kd");
cgKs = getFragmentProgramParameter(cg, "Ks");
cgShininess = getFragmentProgramParameter(cg, "shininess");
cgkC = getFragmentProgramParameter(cg, "kC");
cgkL = getFragmentProgramParameter(cg, "kL");
cgkQ = getFragmentProgramParameter(cg, "kQ");
}
