| commit | author | age | ||
| 9bb554 | 1 | #pragma once |
| H | 2 | |
| 3 | #ifdef __OBJC__ | |
| 4 | @class CAEAGLLayer; | |
| 5 | @class EAGLContext; | |
| 6 | #else | |
| 7 | typedef struct objc_object CAEAGLLayer; | |
| 8 | typedef struct objc_object EAGLContext; | |
| 9 | #endif | |
| 10 | ||
| 11 | #ifdef __OBJC__ | |
| 12 | @class CAMetalLayer; | |
| 13 | @protocol CAMetalDrawable; | |
| 14 | @protocol MTLDrawable; | |
| 15 | @protocol MTLDevice; | |
| 16 | @protocol MTLTexture; | |
| 17 | @protocol MTLCommandBuffer; | |
| 18 | @protocol MTLCommandQueue; | |
| 19 | @protocol MTLCommandEncoder; | |
| 20 | ||
| 21 | typedef id<CAMetalDrawable> CAMetalDrawableRef; | |
| 22 | typedef id<MTLDevice> MTLDeviceRef; | |
| 23 | typedef id<MTLTexture> MTLTextureRef; | |
| 24 | typedef id<MTLCommandBuffer> MTLCommandBufferRef; | |
| 25 | typedef id<MTLCommandQueue> MTLCommandQueueRef; | |
| 26 | typedef id<MTLCommandEncoder> MTLCommandEncoderRef; | |
| 27 | #else | |
| 28 | typedef struct objc_object CAMetalLayer; | |
| 29 | typedef struct objc_object* CAMetalDrawableRef; | |
| 30 | typedef struct objc_object* MTLDeviceRef; | |
| 31 | typedef struct objc_object* MTLTextureRef; | |
| 32 | typedef struct objc_object* MTLCommandBufferRef; | |
| 33 | typedef struct objc_object* MTLCommandQueueRef; | |
| 34 | typedef struct objc_object* MTLCommandEncoderRef; | |
| 35 | #endif | |
| 36 | ||
| 37 | // unity internal native render buffer struct (the one you acquire in C# with RenderBuffer.GetNativeRenderBufferPtr()) | |
| 38 | struct RenderSurfaceBase; | |
| 39 | typedef struct RenderSurfaceBase* UnityRenderBufferHandle; | |
| 40 | ||
| 41 | // be aware that this struct is shared with unity implementation so you should absolutely not change it | |
| 42 | typedef struct | |
| 43 | UnityRenderBufferDesc | |
| 44 | { | |
| 45 | unsigned width, height, depth; | |
| 46 | unsigned samples; | |
| 47 | ||
| 48 | int backbuffer; | |
| 49 | } | |
| 50 | UnityRenderBufferDesc; | |
| 51 | ||
| 52 | // trick to make structure inheritance work transparently between c/cpp | |
| 53 | // for c we use "anonymous struct" | |
| 54 | #ifdef __cplusplus | |
| 55 | #define START_STRUCT(T, Base) struct T : Base { | |
| 56 | #define END_STRUCT(T) }; | |
| 57 | #else | |
| 58 | #define START_STRUCT(T, Base) typedef struct T { struct Base; | |
| 59 | #define END_STRUCT(T) } T; | |
| 60 | #endif | |
| 61 | ||
| 62 | // we will keep objc objects in struct, so we need to explicitely mark references as strong to not confuse ARC | |
| 63 | // please note that actual object lifetime is managed in objc++ code, so __unsafe_unretained is good enough for objc code | |
| 64 | // DO NOT assign objects to UnityDisplaySurface* members in objc code. | |
| 65 | // DO NOT store objects from UnityDisplaySurface* members in objc code, as this wont be caught by ARC | |
| 66 | #ifdef __OBJC__ | |
| 67 | #ifdef __cplusplus | |
| 68 | #define OBJC_OBJECT_PTR __strong | |
| 69 | #else | |
| 70 | #define OBJC_OBJECT_PTR __unsafe_unretained | |
| 71 | #endif | |
| 72 | #else | |
| 73 | #define OBJC_OBJECT_PTR | |
| 74 | #endif | |
| 75 | ||
| 76 | // unity common rendering (display) surface | |
| 77 | typedef struct | |
| 78 | UnityDisplaySurfaceBase | |
| 79 | { | |
| 80 | UnityRenderBufferHandle unityColorBuffer; | |
| 81 | UnityRenderBufferHandle unityDepthBuffer; | |
| 82 | ||
| 83 | UnityRenderBufferHandle systemColorBuffer; | |
| 84 | UnityRenderBufferHandle systemDepthBuffer; | |
| 85 | ||
| 86 | void* cvTextureCache; // CVOpenGLESTextureCacheRef | |
| 87 | void* cvTextureCacheTexture; // CVOpenGLESTextureRef | |
| 88 | void* cvPixelBuffer; // CVPixelBufferRef | |
| 89 | ||
| 90 | unsigned targetW, targetH; | |
| 91 | unsigned systemW, systemH; | |
| 92 | ||
| 93 | int msaaSamples; | |
| 94 | int useCVTextureCache; // [bool] | |
| 95 | int srgb; // [bool] | |
| 96 | int disableDepthAndStencil; // [bool] | |
| 97 | int allowScreenshot; // [bool] currently we allow screenshots (from script) only on main display | |
| 98 | ||
| 99 | int api; // [UnityRenderingAPI] | |
| 100 | } | |
| 101 | UnityDisplaySurfaceBase; | |
| 102 | ||
| 103 | ||
| 104 | // START_STRUCT confuse clang c compiler (though it is idiomatic c code that works) | |
| 105 | #pragma clang diagnostic push | |
| 106 | #pragma clang diagnostic ignored "-Wmissing-declarations" | |
| 107 | ||
| 108 | // GLES display surface | |
| 109 | START_STRUCT(UnityDisplaySurfaceGLES, UnityDisplaySurfaceBase) | |
| 110 | OBJC_OBJECT_PTR CAEAGLLayer * layer; | |
| 111 | OBJC_OBJECT_PTR EAGLContext* context; | |
| 112 | ||
| 113 | // system FB | |
| 114 | unsigned systemFB; | |
| 115 | unsigned systemColorRB; | |
| 116 | ||
| 117 | // target resolution FB/target RT to blit from | |
| 118 | unsigned targetFB; | |
| 119 | unsigned targetColorRT; | |
| 120 | ||
| 121 | // MSAA FB | |
| 122 | unsigned msaaFB; | |
| 123 | unsigned msaaColorRB; | |
| 124 | ||
| 125 | // when we enable AA for non-native resolution we need interim RT to resolve AA to (and then we will blit it to screen) | |
| 126 | UnityRenderBufferHandle resolvedColorBuffer; | |
| 127 | ||
| 128 | // will be "shared", only one depth buffer is needed | |
| 129 | unsigned depthRB; | |
| 130 | ||
| 131 | // render surface gl setup: formats and AA | |
| 132 | unsigned colorFormat; | |
| 133 | unsigned depthFormat; | |
| 134 | END_STRUCT(UnityDisplaySurfaceGLES) | |
| 135 | ||
| 136 | // Metal display surface | |
| 137 | START_STRUCT(UnityDisplaySurfaceMTL, UnityDisplaySurfaceBase) | |
| 138 | OBJC_OBJECT_PTR CAMetalLayer * layer; | |
| 139 | OBJC_OBJECT_PTR MTLDeviceRef device; | |
| 140 | ||
| 141 | OBJC_OBJECT_PTR MTLCommandQueueRef commandQueue; | |
| 142 | OBJC_OBJECT_PTR CAMetalDrawableRef drawable; | |
| 143 | ||
| 144 | OBJC_OBJECT_PTR MTLTextureRef systemColorRB; | |
| 145 | OBJC_OBJECT_PTR MTLTextureRef targetColorRT; | |
| 146 | OBJC_OBJECT_PTR MTLTextureRef targetAAColorRT; | |
| 147 | ||
| 148 | OBJC_OBJECT_PTR MTLTextureRef depthRB; | |
| 149 | OBJC_OBJECT_PTR MTLTextureRef stencilRB; | |
| 150 | ||
| 151 | unsigned colorFormat; // [MTLPixelFormat] | |
| 152 | unsigned depthFormat; // [MTLPixelFormat] | |
| 153 | END_STRUCT(UnityDisplaySurfaceMTL) | |
| 154 | ||
| 155 | // START_STRUCT confuse clang c compiler (though it is idiomatic c code that works) | |
| 156 | #pragma clang diagnostic pop | |
| 157 | ||
| 158 | // be aware that this enum is shared with unity implementation so you should absolutely not change it | |
| 159 | typedef enum | |
| 160 | UnityRenderingAPI | |
| 161 | { | |
| 162 | apiOpenGLES2 = 2, | |
| 163 | apiOpenGLES3 = 3, | |
| 164 | apiMetal = 4, | |
| 165 | } | |
| 166 | UnityRenderingAPI; | |
| 167 | ||
| 168 | #ifdef __cplusplus | |
| 169 | extern "C" { | |
| 170 | #endif | |
| 171 | int UnitySelectedRenderingAPI(); | |
| 172 | #ifdef __cplusplus | |
| 173 | } // extern "C" | |
| 174 | #endif | |
| 175 | ||
| 176 | // gles | |
| 177 | #ifdef __cplusplus | |
| 178 | extern "C" { | |
| 179 | #endif | |
| 180 | ||
| 181 | void InitRenderingGLES(); | |
| 182 | ||
| 183 | void CreateSystemRenderingSurfaceGLES(UnityDisplaySurfaceGLES* surface); | |
| 184 | void DestroySystemRenderingSurfaceGLES(UnityDisplaySurfaceGLES* surface); | |
| 185 | void CreateRenderingSurfaceGLES(UnityDisplaySurfaceGLES* surface); | |
| 186 | void DestroyRenderingSurfaceGLES(UnityDisplaySurfaceGLES* surface); | |
| 187 | void CreateSharedDepthbufferGLES(UnityDisplaySurfaceGLES* surface); | |
| 188 | void DestroySharedDepthbufferGLES(UnityDisplaySurfaceGLES* surface); | |
| 189 | void CreateUnityRenderBuffersGLES(UnityDisplaySurfaceGLES* surface); | |
| 190 | void DestroyUnityRenderBuffersGLES(UnityDisplaySurfaceGLES* surface); | |
| 191 | void StartFrameRenderingGLES(UnityDisplaySurfaceGLES* surface); | |
| 192 | void EndFrameRenderingGLES(UnityDisplaySurfaceGLES* surface); | |
| 193 | void PreparePresentGLES(UnityDisplaySurfaceGLES* surface); | |
| 194 | void PresentGLES(UnityDisplaySurfaceGLES* surface); | |
| 195 | ||
| 196 | #ifdef __cplusplus | |
| 197 | } // extern "C" | |
| 198 | #endif | |
| 199 | ||
| 200 | // metal | |
| 201 | #ifdef __cplusplus | |
| 202 | extern "C" { | |
| 203 | #endif | |
| 204 | ||
| 205 | void InitRenderingMTL(); | |
| 206 | ||
| 207 | void CreateSystemRenderingSurfaceMTL(UnityDisplaySurfaceMTL* surface); | |
| 208 | void DestroySystemRenderingSurfaceMTL(UnityDisplaySurfaceMTL* surface); | |
| 209 | void CreateRenderingSurfaceMTL(UnityDisplaySurfaceMTL* surface); | |
| 210 | void DestroyRenderingSurfaceMTL(UnityDisplaySurfaceMTL* surface); | |
| 211 | void CreateSharedDepthbufferMTL(UnityDisplaySurfaceMTL* surface); | |
| 212 | void DestroySharedDepthbufferMTL(UnityDisplaySurfaceMTL* surface); | |
| 213 | void CreateUnityRenderBuffersMTL(UnityDisplaySurfaceMTL* surface); | |
| 214 | void DestroyUnityRenderBuffersMTL(UnityDisplaySurfaceMTL* surface); | |
| 215 | void StartFrameRenderingMTL(UnityDisplaySurfaceMTL* surface); | |
| 216 | void EndFrameRenderingMTL(UnityDisplaySurfaceMTL* surface); | |
| 217 | void PreparePresentMTL(UnityDisplaySurfaceMTL* surface); | |
| 218 | void PresentMTL(UnityDisplaySurfaceMTL* surface); | |
| 219 | ||
| 220 | #ifdef __cplusplus | |
| 221 | } // extern "C" | |
| 222 | #endif | |
| 223 | ||
| 224 | #ifdef __cplusplus | |
| 225 | extern "C" { | |
| 226 | #endif | |
| 227 | ||
| 228 | // for Create* functions if surf is null we will actuially create new one, otherwise we update the one provided | |
| 229 | // gles: one and only one of texid/rbid should be non-zero | |
| 230 | // metal: resolveTex should be non-nil only if tex have AA | |
| 231 | UnityRenderBufferHandle UnityCreateExternalSurfaceGLES(UnityRenderBufferHandle surf, int isColor, unsigned texid, unsigned rbid, unsigned glesFormat, const UnityRenderBufferDesc* desc); | |
| 232 | UnityRenderBufferHandle UnityCreateExternalSurfaceMTL(UnityRenderBufferHandle surf, int isColor, MTLTextureRef tex, const UnityRenderBufferDesc* desc); | |
| 233 | UnityRenderBufferHandle UnityCreateExternalColorSurfaceMTL(UnityRenderBufferHandle surf, MTLTextureRef tex, MTLTextureRef resolveTex, const UnityRenderBufferDesc* desc); | |
| 234 | UnityRenderBufferHandle UnityCreateExternalDepthSurfaceMTL(UnityRenderBufferHandle surf, MTLTextureRef tex, MTLTextureRef stencilTex, const UnityRenderBufferDesc* desc); | |
| 235 | // creates "dummy" surface - will indicate "missing" buffer (e.g. depth-only RT will have color as dummy) | |
| 236 | UnityRenderBufferHandle UnityCreateDummySurface(UnityRenderBufferHandle surf, int isColor, const UnityRenderBufferDesc* desc); | |
| 237 | ||
| 238 | // disable rendering to render buffers (all Cameras that were rendering to one of buffers would be reset to use backbuffer) | |
| 239 | void UnityDisableRenderBuffers(UnityRenderBufferHandle color, UnityRenderBufferHandle depth); | |
| 240 | // destroys render buffer | |
| 241 | void UnityDestroyExternalSurface(UnityRenderBufferHandle surf); | |
| 242 | // sets current render target | |
| 243 | void UnitySetRenderTarget(UnityRenderBufferHandle color, UnityRenderBufferHandle depth); | |
| 244 | // final blit to backbuffer | |
| 245 | void UnityBlitToBackbuffer(UnityRenderBufferHandle srcColor, UnityRenderBufferHandle dstColor, UnityRenderBufferHandle dstDepth); | |
| 246 | // get native renderbuffer from handle | |
| 247 | UnityRenderBufferHandle UnityNativeRenderBufferFromHandle(void *rb); | |
| 248 | ||
| 249 | MTLCommandBufferRef UnityCurrentMTLCommandBuffer(); | |
| 250 | ||
| 251 | // sets vSync on OSX 10.13 and up | |
| 252 | #if PLATFORM_OSX | |
| 253 | void MetalUpdateDisplaySync(); | |
| 254 | #endif | |
| 255 | ||
| 256 | #ifdef __cplusplus | |
| 257 | } // extern "C" | |
| 258 | #endif | |
| 259 | ||
| 260 | // metal/gles unification | |
| 261 | ||
| 262 | #define GLES_METAL_COMMON_IMPL_SURF(f) \ | |
| 263 | inline void f(UnityDisplaySurfaceBase* surface) \ | |
| 264 | { \ | |
| 265 | if(surface->api == apiMetal) f ## MTL((UnityDisplaySurfaceMTL*)surface); \ | |
| 266 | else f ## GLES((UnityDisplaySurfaceGLES*)surface);\ | |
| 267 | } \ | |
| 268 | ||
| 269 | #define GLES_METAL_COMMON_IMPL(f) \ | |
| 270 | inline void f() \ | |
| 271 | { \ | |
| 272 | if(UnitySelectedRenderingAPI() == apiMetal) f ## MTL(); \ | |
| 273 | else f ## GLES();\ | |
| 274 | } \ | |
| 275 | ||
| 276 | ||
| 277 | GLES_METAL_COMMON_IMPL(InitRendering); | |
| 278 | ||
| 279 | GLES_METAL_COMMON_IMPL_SURF(CreateSystemRenderingSurface); | |
| 280 | GLES_METAL_COMMON_IMPL_SURF(DestroySystemRenderingSurface); | |
| 281 | GLES_METAL_COMMON_IMPL_SURF(CreateRenderingSurface); | |
| 282 | GLES_METAL_COMMON_IMPL_SURF(DestroyRenderingSurface); | |
| 283 | GLES_METAL_COMMON_IMPL_SURF(CreateSharedDepthbuffer); | |
| 284 | GLES_METAL_COMMON_IMPL_SURF(DestroySharedDepthbuffer); | |
| 285 | GLES_METAL_COMMON_IMPL_SURF(CreateUnityRenderBuffers); | |
| 286 | GLES_METAL_COMMON_IMPL_SURF(DestroyUnityRenderBuffers); | |
| 287 | GLES_METAL_COMMON_IMPL_SURF(StartFrameRendering); | |
| 288 | GLES_METAL_COMMON_IMPL_SURF(EndFrameRendering); | |
| 289 | GLES_METAL_COMMON_IMPL_SURF(PreparePresent); | |
| 290 | GLES_METAL_COMMON_IMPL_SURF(Present); | |
| 291 | ||
| 292 | #undef GLES_METAL_COMMON_IMPL_SURF | |
| 293 | #undef GLES_METAL_COMMON_IMPL | |
