Clément Foucault
148c0aa0fa
If image buffer is not loaded and blender attempts to reload it (during `BKE_image_acquire_ibuf`) over and over for each frame rendered. When attempting this reload, image_load_image_file is calling `BKE_image_free_buffers` and tag the Image to the (GPU) image_free_queue (because this run on the rendering thread). If the main thread decide to redraw the UI and go through `GPU_free_unused_buffers` they all get deleted and if that happens before the rendering thread use them ... segfault. If I replace the environment textures with correct ones (the file does not seems to contain them), there is no crash when rendering. I used a list of GPUTexture from blender Image to increase and decrease the reference counter correctly. This add very little memory and computation overhead.
125 lines
3.8 KiB
C++
125 lines
3.8 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2005 Blender Foundation.
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* All rights reserved.
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*/
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/** \file
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* \ingroup gpu
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*/
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#ifndef __GPU_VIEWPORT_H__
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#define __GPU_VIEWPORT_H__
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#include <stdbool.h>
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#include "DNA_vec_types.h"
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#include "GPU_framebuffer.h"
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#include "GPU_texture.h"
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#define GPU_INFO_SIZE 512 /* IMA_MAX_RENDER_TEXT */
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typedef struct GPUViewport GPUViewport;
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/* Contains memory pools information */
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typedef struct ViewportMemoryPool {
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struct BLI_mempool *calls;
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struct BLI_mempool *states;
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struct BLI_mempool *shgroups;
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struct BLI_mempool *uniforms;
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struct BLI_mempool *passes;
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struct BLI_mempool *images;
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} ViewportMemoryPool;
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/* All FramebufferLists are just the same pointers with different names */
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typedef struct FramebufferList {
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struct GPUFrameBuffer *framebuffers[0];
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} FramebufferList;
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typedef struct TextureList {
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struct GPUTexture *textures[0];
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} TextureList;
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typedef struct PassList {
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struct DRWPass *passes[0];
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} PassList;
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typedef struct StorageList {
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void *storage[0]; /* custom structs from the engine */
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} StorageList;
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typedef struct ViewportEngineData {
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void *engine_type;
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FramebufferList *fbl;
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TextureList *txl;
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PassList *psl;
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StorageList *stl;
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char info[GPU_INFO_SIZE];
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/* we may want to put this elsewhere */
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struct DRWTextStore *text_draw_cache;
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/* Profiling data */
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double init_time;
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double render_time;
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double background_time;
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} ViewportEngineData;
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typedef struct ViewportEngineData_Info {
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int fbl_len;
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int txl_len;
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int psl_len;
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int stl_len;
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} ViewportEngineData_Info;
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GPUViewport *GPU_viewport_create(void);
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void GPU_viewport_bind(GPUViewport *viewport, const rcti *rect);
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void GPU_viewport_unbind(GPUViewport *viewport);
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void GPU_viewport_draw_to_screen(GPUViewport *viewport, const rcti *rect);
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void GPU_viewport_free(GPUViewport *viewport);
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GPUViewport *GPU_viewport_create_from_offscreen(struct GPUOffScreen *ofs);
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void GPU_viewport_clear_from_offscreen(GPUViewport *viewport);
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ViewportMemoryPool *GPU_viewport_mempool_get(GPUViewport *viewport);
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struct DRWInstanceDataList *GPU_viewport_instance_data_list_get(GPUViewport *viewport);
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void *GPU_viewport_engine_data_create(GPUViewport *viewport, void *engine_type);
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void *GPU_viewport_engine_data_get(GPUViewport *viewport, void *engine_type);
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void *GPU_viewport_framebuffer_list_get(GPUViewport *viewport);
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void *GPU_viewport_texture_list_get(GPUViewport *viewport);
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void GPU_viewport_size_get(const GPUViewport *viewport, int size[2]);
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void GPU_viewport_size_set(GPUViewport *viewport, const int size[2]);
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/* Profiling */
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double *GPU_viewport_cache_time_get(GPUViewport *viewport);
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void GPU_viewport_tag_update(GPUViewport *viewport);
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bool GPU_viewport_do_update(GPUViewport *viewport);
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GPUTexture *GPU_viewport_color_texture(GPUViewport *viewport);
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/* Texture pool */
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GPUTexture *GPU_viewport_texture_pool_query(
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GPUViewport *viewport, void *engine, int width, int height, int format);
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bool GPU_viewport_engines_data_validate(GPUViewport *viewport, unsigned int hash);
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void GPU_viewport_cache_release(GPUViewport *viewport);
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#endif // __GPU_VIEWPORT_H__
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