gpu_backend.hh

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/* SPDX-FileCopyrightText: 2020 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "GPU_vertex_buffer.hh"
 
namespace blender {
namespace gpu {
 
class Context;
 
class Batch;
class DrawList;
class Fence;
class FrameBuffer;
class IndexBuf;
class PixelBuffer;
class QueryPool;
class Shader;
class Texture;
class UniformBuf;
class StorageBuf;
class VertBuf;
 
class GPUBackend {
 public:
  virtual ~GPUBackend() = default;
  virtual void delete_resources() = 0;
 
  static GPUBackend *get();
 
  virtual void samplers_update() = 0;
  virtual void compute_dispatch(int groups_x_len, int groups_y_len, int groups_z_len) = 0;
  virtual void compute_dispatch_indirect(StorageBuf *indirect_buf) = 0;
 
  virtual Context *context_alloc(void *ghost_window, void *ghost_context) = 0;
 
  virtual Batch *batch_alloc() = 0;
  virtual DrawList *drawlist_alloc(int list_length) = 0;
  virtual Fence *fence_alloc() = 0;
  virtual FrameBuffer *framebuffer_alloc(const char *name) = 0;
  virtual IndexBuf *indexbuf_alloc() = 0;
  virtual PixelBuffer *pixelbuf_alloc(size_t size) = 0;
  virtual QueryPool *querypool_alloc() = 0;
  virtual Shader *shader_alloc(const char *name) = 0;
  virtual Texture *texture_alloc(const char *name) = 0;
  virtual UniformBuf *uniformbuf_alloc(size_t size, const char *name) = 0;
  virtual StorageBuf *storagebuf_alloc(size_t size, GPUUsageType usage, const char *name) = 0;
  virtual VertBuf *vertbuf_alloc() = 0;
  virtual void shader_cache_dir_clear_old() = 0;
 
  /* Render Frame Coordination --
   * Used for performing per-frame actions globally */
  virtual void render_begin() = 0;
  virtual void render_end() = 0;
  virtual void render_step() = 0;
};
 
}  // namespace gpu
}  // namespace blender