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/*
* 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.
*/
/** \file
* \ingroup VAMR
*/
#ifndef __VAMR_IGRAPHICSBINDING_H__
#define __VAMR_IGRAPHICSBINDING_H__
#include <memory>
#include <string>
#include <vector>
#include "VAMR_openxr_includes.h"
namespace VAMR {
class IGraphicsBinding {
friend std::unique_ptr<IGraphicsBinding> GraphicsBindingCreateFromType(
VAMR_GraphicsBindingType type);
public:
union {
#if defined(WITH_X11)
XrGraphicsBindingOpenGLXlibKHR glx;
#elif defined(WIN32)
XrGraphicsBindingOpenGLWin32KHR wgl;
XrGraphicsBindingD3D11KHR d3d11;
#endif
} oxr_binding;
/**
* Does __not__ require this object is initialized (can be called prior to
* #initFromGhostContext). It's actually meant to be called first.
*
* \param r_requirement_info Return argument to retrieve an informal string on the requirements
* to be met. Useful for error/debug messages.
*/
virtual bool checkVersionRequirements(class GHOST_Context *ghost_ctx,
XrInstance instance,
XrSystemId system_id,
std::string *r_requirement_info) const = 0;
virtual void initFromGhostContext(class GHOST_Context *ghost_ctx) = 0;
virtual bool chooseSwapchainFormat(const std::vector<int64_t> &runtime_formats,
int64_t *r_result) const = 0;
virtual std::vector<XrSwapchainImageBaseHeader *> createSwapchainImages(
uint32_t image_count) = 0;
virtual void submitToSwapchain(XrSwapchainImageBaseHeader *swapchain_image,
const VAMR_DrawViewInfo *draw_info) = 0;
protected:
/* Use GraphicsBindingCreateFromType */
IGraphicsBinding() = default;
};
std::unique_ptr<IGraphicsBinding> GraphicsBindingCreateFromType(VAMR_GraphicsBindingType type);
} // namespace VAMR
#endif /* __VAMR_IGRAPHICSBINDING_H__ */
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