60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2016 by Mike Erwin. All rights reserved. */
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/** \file
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* \ingroup gpu
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*
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* This interface allow GPU to manage VAOs for multiple context and threads.
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*/
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#pragma once
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#include "GPU_batch.h"
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#include "GPU_common.h"
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#include "GPU_platform.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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void GPU_backend_init(eGPUBackendType backend);
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void GPU_backend_exit(void);
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bool GPU_backend_supported(eGPUBackendType type);
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eGPUBackendType GPU_backend_get_type(void);
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/** Opaque type hiding blender::gpu::Context. */
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typedef struct GPUContext GPUContext;
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GPUContext *GPU_context_create(void *ghost_window);
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/**
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* To be called after #GPU_context_active_set(ctx_to_destroy).
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*/
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void GPU_context_discard(GPUContext *);
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/**
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* Ctx can be NULL.
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*/
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void GPU_context_active_set(GPUContext *);
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GPUContext *GPU_context_active_get(void);
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/* Legacy GPU (Intel HD4000 series) do not support sharing GPU objects between GPU
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* contexts. EEVEE/Workbench can create different contexts for image/preview rendering, baking or
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* compiling. When a legacy GPU is detected (`GPU_use_main_context_workaround()`) any worker
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* threads should use the draw manager opengl context and make sure that they are the only one
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* using it by locking the main context using these two functions. */
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void GPU_context_main_lock(void);
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void GPU_context_main_unlock(void);
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/* GPU Begin/end work blocks */
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void GPU_render_begin(void);
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void GPU_render_end(void);
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/* For operations which need to run exactly once per frame -- even if there are no render updates.
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*/
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void GPU_render_step(void);
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#ifdef __cplusplus
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}
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#endif
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