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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2021 Blender Foundation.
*/
/** \file
* \ingroup eevee
*
* Templated wrappers to make it easier to use GPU objects in C++.
*/
#pragma once
#include "DRW_gpu_wrapper.hh"
namespace blender::eevee {
/* Returns true if the value is different and was assigned */
template<typename T> inline bool assign_if_different(T &old_value, T new_value)
{
if (old_value != new_value) {
old_value = new_value;
return true;
}
return false;
}
using draw::Framebuffer;
using draw::Texture;
using draw::TextureFromPool;
static inline void shgroup_geometry_call(DRWShadingGroup *grp,
Object *ob,
GPUBatch *geom,
int v_first = -1,
int v_count = -1,
bool use_instancing = false)
{
if (grp == nullptr) {
return;
}
if (v_first == -1) {
DRW_shgroup_call(grp, geom, ob);
}
else if (use_instancing) {
DRW_shgroup_call_instance_range(grp, ob, geom, v_first, v_count);
}
else {
DRW_shgroup_call_range(grp, ob, geom, v_first, v_count);
}
}
} // namespace blender::eevee
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