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Diffstat (limited to 'source/blender/gpu/opengl/gl_context.hh')
-rw-r--r-- | source/blender/gpu/opengl/gl_context.hh | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/source/blender/gpu/opengl/gl_context.hh b/source/blender/gpu/opengl/gl_context.hh new file mode 100644 index 00000000000..3b55965b9d1 --- /dev/null +++ b/source/blender/gpu/opengl/gl_context.hh @@ -0,0 +1,97 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright 2020, Blender Foundation. + * All rights reserved. + */ + +/** \file + * \ingroup gpu + */ + +#pragma once + +#include "gpu_context_private.hh" + +#include "BLI_set.hh" +#include "BLI_vector.hh" + +#include "glew-mx.h" + +#include <iostream> +#include <mutex> +#include <unordered_set> +#include <vector> + +namespace blender { +namespace gpu { + +class GLSharedOrphanLists { + public: + /** Mutex for the bellow structures. */ + std::mutex lists_mutex; + /** Buffers and textures are shared across context. Any context can free them. */ + Vector<GLuint> textures; + Vector<GLuint> buffers; + + public: + void orphans_clear(void); +}; + +class GLContext : public GPUContext { + /* TODO(fclem) these needs to become private. */ + public: + /** Default VAO for procedural draw calls. */ + GLuint default_vao_; + /** Default framebuffer object for some GL implementation. */ + GLuint default_framebuffer_; + /** VBO for missing vertex attrib binding. Avoid undefined behavior on some implementation. */ + GLuint default_attr_vbo_; + /** + * GPUBatch & GPUFramebuffer have references to the context they are from, in the case the + * context is destroyed, we need to remove any reference to it. + */ + Set<GPUBatch *> batches_; + Set<GPUFrameBuffer *> framebuffers_; + /** Mutex for the bellow structures. */ + std::mutex lists_mutex_; + /** VertexArrays and framebuffers are not shared across context. */ + Vector<GLuint> orphaned_vertarrays_; + Vector<GLuint> orphaned_framebuffers_; + /** GLBackend onws this data. */ + GLSharedOrphanLists &shared_orphan_list_; + + public: + GLContext(void *ghost_window, GLSharedOrphanLists &shared_orphan_list); + ~GLContext(); + + void activate(void) override; + void deactivate(void) override; + + /* TODO(fclem) these needs to become private. */ + public: + void orphans_add(Vector<GLuint> &orphan_list, std::mutex &list_mutex, GLuint id); + void orphans_clear(void); + + void vao_free(GLuint vao_id); + void fbo_free(GLuint fbo_id); + void batch_register(struct GPUBatch *batch); + void batch_unregister(struct GPUBatch *batch); + void framebuffer_register(struct GPUFrameBuffer *fb); + void framebuffer_unregister(struct GPUFrameBuffer *fb); +}; + +} // namespace gpu +} // namespace blender |