void InstancedTessellation::initRendering(void) {
if( requireMinAPIVersion(NvGfxAPIVersionES3(), false) ) {
m_hwInstancing = true;
glDrawElementsInstancedInternal = (PFNDrawElementsInstanced)getGLContext()->getGLProcAddress("glDrawElementsInstanced");
glVertexAttribDivisorInternal = (PFNVertexAttribDivisor)getGLContext()->getGLProcAddress("glVertexAttribDivisor");
}
else {
// We need at least _one_ of these two extensions
if (!requireExtension("GL_ARB_instanced_arrays", false) &&
!requireExtension("GL_NV_draw_instanced", false)) {
m_hwInstancing = false;
}
else {
m_hwInstancing = true;
if (requireExtension("GL_ARB_instanced_arrays", false) ) {
glDrawElementsInstancedInternal = (PFNDrawElementsInstanced)getGLContext()->getGLProcAddress("glDrawElementsInstancedARB");
glVertexAttribDivisorInternal = (PFNVertexAttribDivisor)getGLContext()->getGLProcAddress("glVertexAttribDivisorARB");
}
else {
glDrawElementsInstancedInternal = (PFNDrawElementsInstanced)getGLContext()->getGLProcAddress("glDrawElementsInstancedNV");
glVertexAttribDivisorInternal = (PFNVertexAttribDivisor)getGLContext()->getGLProcAddress("glVertexAttribDivisorNV");
}
}
}
if( m_hwInstancing ) {
m_instancing = true;
}
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
NvAssetLoaderAddSearchPath("es2-aurora/InstancedTessellation");
LOGI("Hardware Instancing %s\n", m_hwInstancing ? "Available" : "Not available" );
int len;
char *pBuff;
initShaders();
for( int i = 0; i < eNumModels; ++i )
{
std::string path = "models/";
path += m_pModelNames[i];
path += ".obj";
pBuff = NvAssetLoaderRead(path.c_str(), len);
loadModelFromData(i,pBuff);
initPerModelTessellationInstancingData(m_pModel[i], i );
delete [] pBuff;
}
initGeneralTessellationInstancingData();
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glClearColor(0.0, 0.0, 0.0, 1.0);
CHECK_GL_ERROR();
}
void OptimizationApp::configurationCallback(NvEGLConfiguration& config)
{
config.depthBits = 24;
config.stencilBits = 0;
config.apiVer = NvGfxAPIVersionES3();
}
void InstancedTessellation::configurationCallback(NvEGLConfiguration& config)
{
config.depthBits = 24;
config.stencilBits = 0;
config.apiVer = NvGfxAPIVersionES3();
}
