// Render one model
void InstancingModelRenderer::RenderModel(const CShaderProgramPtr& shader, int UNUSED(streamflags), CModel* model, CModelRData* UNUSED(data))
{
CModelDefPtr mdldef = model->GetModelDef();
if (m->gpuSkinning)
{
// Bind matrices for current animation state.
// Add 1 to NumBones because of the special 'root' bone.
// HACK: NVIDIA drivers return uniform name with "[0]", Intel Windows drivers without;
// try uploading both names since one of them should work, and this is easier than
// canonicalising the uniform names in CShaderProgramGLSL
shader->Uniform(str_skinBlendMatrices_0, mdldef->GetNumBones() + 1, model->GetAnimatedBoneMatrices());
shader->Uniform(str_skinBlendMatrices, mdldef->GetNumBones() + 1, model->GetAnimatedBoneMatrices());
}
// render the lot
size_t numFaces = mdldef->GetNumFaces();
if (!g_Renderer.m_SkipSubmit)
{
// Draw with DrawRangeElements where available, since it might be more efficient
#if CONFIG2_GLES
glDrawElements(GL_TRIANGLES, (GLsizei)numFaces*3, GL_UNSIGNED_SHORT, m->imodeldefIndexBase);
#else
pglDrawRangeElementsEXT(GL_TRIANGLES, 0, (GLuint)m->imodeldef->m_Array.GetNumVertices()-1,
(GLsizei)numFaces*3, GL_UNSIGNED_SHORT, m->imodeldefIndexBase);
#endif
}
// bump stats
g_Renderer.m_Stats.m_DrawCalls++;
g_Renderer.m_Stats.m_ModelTris += numFaces;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// InitModel: setup model from given geometry
bool CModel::InitModel(const CModelDefPtr& modeldef)
{
// clean up any existing data first
ReleaseData();
m_pModelDef = modeldef;
size_t numBones = modeldef->GetNumBones();
if (numBones != 0)
{
size_t numBlends = modeldef->GetNumBlends();
// allocate matrices for bone transformations
// (one extra matrix is used for the special case of bind-shape relative weighting)
m_BoneMatrices = (CMatrix3D*)rtl_AllocateAligned(sizeof(CMatrix3D) * (numBones + 1 + numBlends), 16);
for (size_t i = 0; i < numBones + 1 + numBlends; ++i)
{
m_BoneMatrices[i].SetIdentity();
}
}
m_PositionValid = true;
return true;
}