forked from blender/blender
6dac345a64
This adds a vulkan backend to GHOST. The code was extracted from the tmp-vulkan branch. The main difference with the original code is that GHOST isn't responsible for fallback. For Metal backend there is already an idea that the GPU module is responsible for the fallback, not the system. For Blender we target Vulkan 1.2 at the time of this patch. MoltenVK (needed to convert Vulkan calls to Metal) has been added as a separate package. This patch isn't useful for end-users, currently when starting blender with `--gpu-backend vulkan` it would crash as the `VBBackend` doesn't initialize the expected global structs in the GPU module. Validated to be working on Windows and Apple. Linux still needs to be tested. Reviewed By: fclem Differential Revision: https://developer.blender.org/D13155
63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
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/** \file
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* \ingroup GHOST
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* Declaration of GHOST_IContext interface class.
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*/
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#pragma once
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#include "GHOST_Types.h"
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/**
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* Interface for GHOST context.
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*
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* You can create a off-screen context (windowless) with the system's
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* #GHOST_ISystem::createOffscreenContext method.
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* \see GHOST_ISystem#createOffscreenContext
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*/
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class GHOST_IContext {
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public:
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/**
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* Destructor.
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*/
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virtual ~GHOST_IContext()
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{
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}
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/**
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* Activates the drawing context.
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* \return A boolean success indicator.
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*/
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virtual GHOST_TSuccess activateDrawingContext() = 0;
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/**
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* Release the drawing context of the calling thread.
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* \return A boolean success indicator.
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*/
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virtual GHOST_TSuccess releaseDrawingContext() = 0;
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virtual unsigned int getDefaultFramebuffer() = 0;
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virtual GHOST_TSuccess getVulkanHandles(void *, void *, void *, uint32_t *) = 0;
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/**
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* Gets the Vulkan framebuffer related resource handles associated with the Vulkan context.
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* Needs to be called after each swap events as the framebuffer will change.
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* \return A boolean success indicator.
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*/
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virtual GHOST_TSuccess getVulkanBackbuffer(void *image,
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void *framebuffer,
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void *command_buffer,
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void *render_pass,
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void *extent,
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uint32_t *fb_id) = 0;
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virtual GHOST_TSuccess swapBuffers() = 0;
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("GHOST:GHOST_IContext")
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#endif
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};
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