QueryPool.h

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/*
 * ObjectivelyGPU: Object oriented graphics framework for SDL3 and C.
 * Copyright (C) 2026 Jay Dolan <jay@jaydolan.com>
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */
 
#pragma once
 
#include <SDL3/SDL_gpu.h>
 
#include <Objectively/Object.h>
 
#include <ObjectivelyGPU/Types.h>
 
#ifndef SDL_GPU_OCCLUSION_QUERY
 
typedef struct SDL_GPUQueryPool SDL_GPUQueryPool;
 
typedef enum SDL_GPUQueryType {
  SDL_GPU_QUERY_TIMESTAMP,
  SDL_GPU_QUERY_BINARY_OCCLUSION,
  SDL_GPU_QUERY_PRECISE_OCCLUSION
} SDL_GPUQueryType;
 
typedef struct SDL_GPUQueryPoolCreateInfo {
  SDL_GPUQueryType type;
  Uint32 query_count;
  SDL_PropertiesID props;
} SDL_GPUQueryPoolCreateInfo;
 
#endif // !SDL_GPU_OCCLUSION_QUERY
 
typedef struct RenderDevice RenderDevice;
typedef struct QueryPool QueryPool;
typedef struct QueryPoolInterface QueryPoolInterface;
 
struct QueryPool {
 
  Object object;
 
  QueryPoolInterface *interface;
 
  SDL_GPUQueryPool *pool;
 
  SDL_GPUQueryType type;
 
  Uint32 queryCount;
 
  RenderDevice *device;
 
  ident data;
};
 
struct QueryPoolInterface {
 
  ObjectInterface objectInterface;
 
  QueryPool *(*initWithDevice)(QueryPool *self, RenderDevice *device, const SDL_GPUQueryPoolCreateInfo *info);
};
 
OBJECTIVELYGPU_EXPORT Class *_QueryPool(void);