draw_instance_data.hh

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/* SPDX-FileCopyrightText: 2016 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "BLI_compiler_attrs.h"
#include "BLI_sys_types.h"
 
#include "GPU_batch.hh"
 
#define MAX_INSTANCE_DATA_SIZE 64 /* Can be adjusted for more */
 
#define DRW_BUFFER_VERTS_CHUNK 128
 
struct GHash;
struct GPUUniformAttrList;
struct DRWInstanceData;
struct DRWInstanceDataList;
struct DRWSparseUniformBuf;
 
void *DRW_instance_data_next(DRWInstanceData *idata);
DRWInstanceData *DRW_instance_data_request(DRWInstanceDataList *idatalist, uint attr_size);
 
blender::gpu::VertBuf *DRW_temp_buffer_request(DRWInstanceDataList *idatalist,
                                               GPUVertFormat *format,
                                               int *vert_len);
blender::gpu::Batch *DRW_temp_batch_instance_request(DRWInstanceDataList *idatalist,
                                                     blender::gpu::VertBuf *buf,
                                                     blender::gpu::Batch *instancer,
                                                     blender::gpu::Batch *geom);
blender::gpu::Batch *DRW_temp_batch_request(DRWInstanceDataList *idatalist,
                                            blender::gpu::VertBuf *buf,
                                            GPUPrimType type);
 
void DRW_instance_buffer_finish(DRWInstanceDataList *idatalist);
 
void DRW_instance_data_list_reset(DRWInstanceDataList *idatalist);
void DRW_instance_data_list_free_unused(DRWInstanceDataList *idatalist);
void DRW_instance_data_list_resize(DRWInstanceDataList *idatalist);
 
/* Sparse chunked UBO manager. */
 
DRWSparseUniformBuf *DRW_sparse_uniform_buffer_new(unsigned int item_size,
                                                   unsigned int chunk_size);
void DRW_sparse_uniform_buffer_flush(DRWSparseUniformBuf *buffer);
void DRW_sparse_uniform_buffer_clear(DRWSparseUniformBuf *buffer, bool free_all);
void DRW_sparse_uniform_buffer_free(DRWSparseUniformBuf *buffer);
bool DRW_sparse_uniform_buffer_is_empty(DRWSparseUniformBuf *buffer);
void DRW_sparse_uniform_buffer_bind(DRWSparseUniformBuf *buffer, int chunk, int location);
void DRW_sparse_uniform_buffer_unbind(DRWSparseUniformBuf *buffer, int chunk);
void *DRW_sparse_uniform_buffer_ensure_item(DRWSparseUniformBuf *buffer, int chunk, int item);
 
/* Uniform attribute UBO management. */
 
GHash *DRW_uniform_attrs_pool_new();
void DRW_uniform_attrs_pool_flush_all(GHash *table);
void DRW_uniform_attrs_pool_clear_all(GHash *table);
DRWSparseUniformBuf *DRW_uniform_attrs_pool_find_ubo(GHash *table, const GPUUniformAttrList *key);