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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup gpu
*
* Implementation of Multi Draw Indirect using OpenGL.
* Fallback if the needed extensions are not supported.
*/
#pragma once
#include "BLI_sys_types.h"
#include "GPU_batch.h"
#include "MEM_guardedalloc.h"
#include "gpu_drawlist_private.hh"
#include "mtl_batch.hh"
#include "mtl_context.hh"
namespace blender::gpu {
/**
* Implementation of Multi Draw Indirect using OpenGL.
**/
class MTLDrawList : public DrawList {
private:
/** Batch for which we are recording commands for. */
MTLBatch *batch_;
/** Mapped memory bounds. */
void *data_;
/** Length of the mapped buffer (in byte). */
size_t data_size_;
/** Current offset inside the mapped buffer (in byte). */
size_t command_offset_;
/** Current number of command recorded inside the mapped buffer. */
uint32_t command_len_;
/** Is UINT_MAX if not drawing indexed geom. Also Avoid dereferencing batch. */
uint32_t base_index_;
/** Also Avoid dereferencing batch. */
uint32_t v_first_, v_count_;
/** Length of whole the buffer (in byte). */
uint32_t buffer_size_;
public:
MTLDrawList(int length);
~MTLDrawList();
void append(GPUBatch *batch, int i_first, int i_count) override;
void submit() override;
private:
void init();
MEM_CXX_CLASS_ALLOC_FUNCS("MTLDrawList");
};
} // namespace blender::gpu
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