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/* FNA3D - 3D Graphics Library for FNA
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*
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* Copyright (c) 2020-2022 Ethan Lee
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software in a
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* product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*
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* Ethan "flibitijibibo" Lee <flibitijibibo@flibitijibibo.com>
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*
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*/
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#ifndef FNA3D_SYSRENDERER_H
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#define FNA3D_SYSRENDERER_H
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* This header exposes an in-progress extension to access the rendering context
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* of the active FNA3D backend, as well as push texture objects to the backend.
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*
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* In general you do NOT want to use anything in here, in fact this whole
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* extension is skipped unless you explicitly include the header in your
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* application.
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*/
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#define FNA3D_SYSRENDERER_VERSION_EXT 0
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typedef enum FNA3D_SysRendererTypeEXT
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{
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FNA3D_RENDERER_TYPE_OPENGL_EXT,
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FNA3D_RENDERER_TYPE_VULKAN_EXT,
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FNA3D_RENDERER_TYPE_D3D11_EXT,
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FNA3D_RENDERER_TYPE_METAL_EXT /* REMOVED, DO NOT USE */
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} FNA3D_SysRendererTypeEXT;
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typedef struct FNA3D_SysRendererEXT
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{
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uint32_t version;
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FNA3D_SysRendererTypeEXT rendererType;
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union
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{
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#if FNA3D_DRIVER_D3D11
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struct
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{
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void *device; /* ID3D11Device */
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void *context; /* ID3D11DeviceContext */
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} d3d11;
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#endif /* FNA3D_DRIVER_D3D11 */
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#if FNA3D_DRIVER_METAL
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struct
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{
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void *device; /* MTLDevice */
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void *view; /* SDL_MetalView */
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} metal;
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#endif /* FNA3D_DRIVER_METAL */
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#if FNA3D_DRIVER_OPENGL
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struct
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{
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void *context; /* SDL_GLContext */
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} opengl;
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#endif /* FNA3D_DRIVER_OPENGL */
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#if FNA3D_DRIVER_VULKAN
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struct
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{
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VkInstance instance;
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VkPhysicalDevice physicalDevice;
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VkDevice logicalDevice;
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uint32_t queueFamilyIndex;
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} vulkan;
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#endif /* FNA3D_DRIVER_VULKAN */
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uint8_t filler[64];
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} renderer;
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} FNA3D_SysRendererEXT;
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typedef struct FNA3D_SysTextureEXT
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{
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uint32_t version;
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FNA3D_SysRendererTypeEXT rendererType;
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union
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{
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#if FNA3D_DRIVER_D3D11
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struct
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{
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void *handle; /* ID3D11Resource* */
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void *shaderView; /* ID3D11ShaderResourceView* */
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} d3d11;
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#endif /* FNA3D_DRIVER_D3D11 */
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#if FNA3D_DRIVER_METAL
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struct
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{
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void *handle; /* MTLTexture */
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} metal;
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#endif /* FNA3D_DRIVER_METAL */
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#if FNA3D_DRIVER_OPENGL
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struct
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{
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uint32_t handle;
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uint32_t target; /* GLenum */
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} opengl;
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#endif /* FNA3D_DRIVER_OPENGL */
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#if FNA3D_DRIVER_VULKAN
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#if defined(__LP64__) || defined(_WIN64) || defined(__x86_64__) || defined(_M_X64) || defined(__ia64) || defined (_M_IA64) || defined(__aarch64__) || defined(__powerpc64__)
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#define FNA3D_VULKAN_HANDLE_TYPE void*
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#else
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#define FNA3D_VULKAN_HANDLE_TYPE uint64_t
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#endif
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struct
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{
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FNA3D_VULKAN_HANDLE_TYPE image; /* VkImage */
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FNA3D_VULKAN_HANDLE_TYPE view; /* VkImageView */
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} vulkan;
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#endif /* FNA3D_DRIVER_VULKAN */
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uint8_t filler[64];
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} texture;
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} FNA3D_SysTextureEXT;
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/* Export the internal rendering context. */
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FNA3DAPI void FNA3D_GetSysRendererEXT(
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FNA3D_Device *device,
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FNA3D_SysRendererEXT *sysrenderer
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);
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/* Import a texture reference that is marked as internal */
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FNA3DAPI FNA3D_Texture* FNA3D_CreateSysTextureEXT(
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FNA3D_Device *device,
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FNA3D_SysTextureEXT *systexture
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);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* FNA3D_SYSRENDERER_H */
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/* vim: set noexpandtab shiftwidth=8 tabstop=8: */
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