Mercurial > pub > dyncall > bindings
view R/rdc/demo/sdl.R @ 54:918dab7a6606
- added callback support (comes with some bigger refactoring)
- allow CPython's Py{CObject,Capsule} to be used as 'p'ointers
| author | Tassilo Philipp |
|---|---|
| date | Tue, 02 Feb 2021 20:42:02 +0100 |
| parents | 0cfcc391201f |
| children |
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library(rdc) # ---------------------------------------------------------------------------- # Platform specific issues if (.Platform$OS.type == "windows") { OS <- "windows" } else if ( Sys.info()[["sysname"]] == "Darwin" ) { OS <- "darwin" } else { OS <- "unix" } # ---------------------------------------------------------------------------- # dynbind environment .cdecl <- dcNewCallVM(1024) .stdcall <- dcNewCallVM(1024) dcMode(.stdcall, rdc:::DC_CALL_C_X86_WIN32_STD ) # ---------------------------------------------------------------------------- # C memory allocation .callC <- .cdecl .callSDL <- .cdecl .callGL <- .cdecl .callGLU <- .cdecl .callR <- .cdecl if (OS == "windows") { .libC <- "/windows/system32/msvcrt" .libSDL <- "/dll/sdl" .libGL <- "/windows/system32/OPENGL32" .libGLU <- "/windows/system32/GLU32" .libR <- "R" .callGL <- .stdcall } else if (OS == "darwin") { .libCocoa <- "/System/Library/Frameworks/Cocoa.framework/Cocoa" dyn.load(.libCocoa) .NSApplicationLoad <- getNativeSymbolInfo("NSApplicationLoad")$address NSApplicationLoad <- function() rdcCall(.NSApplicationLoad, ")B" ) # dyn.load("rdc") .newPool <- getNativeSymbolInfo("newPool")$address .releasePool <- getNativeSymbolInfo("releasePool")$address releasePool <- function(x) { rdcCall( .releasePool, "p)v", x ) } newPool <- function() { x <- rdcCall( .newPool, ")p" ) reg.finalizer( x, releasePool ) return(x) } .pool <- newPool() .libC <- "/usr/lib/libc.dylib" .libSDL <- "/Library/Framworks/SDL.framework/SDL" .libGL <- "/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib" .libGLU <- "/System/Library/Frameworks/OpenGL.framework/Libraries/libGLU.dylib" .libR <- Sys.getenv("R_HOME") .libR <- paste(.libR,"/lib/libR.dylib",sep="") } else { # unix .libC <- "/lib/libc.so.6" .libSDL <- "/usr/lib/libSDL.so" .libGL <- "/usr/lib/libGL.so" .libGLU <- "/usr/lib/libGLU.so" .libR <- paste(R.home(),"/lib/libR.so",sep="") } #dyn.load(.libC) #.malloc <- getNativeSymbolInfo("malloc")$address #.free <- getNativeSymbolInfo("free")$free #malloc <- function(size) rdcCall(.malloc, "i)p", as.integer(size) ) #free <- function(ptr) rdcCall(.free, "p)v", ptr) .importsR <- " R_chk_calloc(ii)p; R_chk_realloc(ii)p; R_chk_free(p)v; " rdcBind(.libR,.importsR,.callR) malloc <- function(size) R_chk_calloc(as.integer(size),1L) free <- function(ptr) R_chk_free(ptr) # ---------------------------------------------------------------------------- # SDL library dyn.load(.libSDL) .SDL_Init <- getNativeSymbolInfo("SDL_Init")$address .SDL_Quit <- getNativeSymbolInfo("SDL_Quit")$address .SDL_SetVideoMode <- getNativeSymbolInfo("SDL_SetVideoMode")$address .SDL_WM_SetCaption <- getNativeSymbolInfo("SDL_WM_SetCaption")$address .SDL_GL_SwapBuffers <- getNativeSymbolInfo("SDL_GL_SwapBuffers")$address .SDL_PollEvent <- getNativeSymbolInfo("SDL_PollEvent")$address .SDL_GetTicks <- getNativeSymbolInfo("SDL_GetTicks")$address .SDL_Delay <- getNativeSymbolInfo("SDL_Delay")$address # init flags: SDL_INIT_TIMER = 0x00000001L SDL_INIT_AUDIO = 0x00000010L SDL_INIT_VIDEO = 0x00000020L SDL_INIT_CDROM = 0x00000100L SDL_INIT_JOYSTICK = 0x00000200L SDL_INIT_NOPARACHUTE = 0x00100000L SDL_INIT_EVENTTHREAD = 0x01000000L SDL_INIT_EVERYTHING = 0x0000FFFFL # SDL_Init(flags): SDL_Init <- function(flags) rdcCall(.SDL_Init, "i)i", as.integer(flags) ) # SDL_Quit(): SDL_Quit <- function() rdcCall(.SDL_Quit, ")v" ) # video flags: SDL_SWSURFACE = 0x00000000L SDL_HWSURFACE = 0x00000001L SDL_ASYNCBLIT = 0x00000004L SDL_ANYFORMAT = 0x10000000L SDL_HWPALETTE = 0x20000000L SDL_DOUBLEBUF = 0x40000000L SDL_FULLSCREEN = 0x80000000 SDL_OPENGL = 0x00000002L SDL_OPENGLBLIT = 0x0000000AL SDL_RESIZABLE = 0x00000010L SDL_NOFRAME = 0x00000020L SDL_HWACCEL = 0x00000100L SDL_SRCCOLORKEY = 0x00001000L SDL_RLEACCELOK = 0x00002000L SDL_RLEACCEL = 0x00004000L SDL_SRCALPHA = 0x00010000L SDL_PREALLOC = 0x01000000L # SDL_SetVideoMode(): SDL_SetVideoMode <- function(width,height,bpp,flags) rdcCall(.SDL_SetVideoMode,"iiii)p",width,height,bpp,flags) SDL_WM_SetCaption <- function(title, icon) rdcCall(.SDL_WM_SetCaption,"SS)v",as.character(title), as.character(icon)) SDL_PollEvent <- function(eventptr) rdcCall(.SDL_PollEvent,"p)i", eventptr) SDL_GL_SwapBuffers <- function() rdcCall(.SDL_GL_SwapBuffers,")v") SDL_GetTicks <- function() rdcCall(.SDL_GetTicks,")i") SDL_Delay <- function(ms) rdcCall(.SDL_Delay,"i)v",ms) SDL_NOEVENT = 0 SDL_ACTIVEEVENT = 1 SDL_KEYDOWN = 2 SDL_KEYUP = 3 SDL_MOUSEMOTION = 4 SDL_MOUSEBUTTONDOWN = 5 SDL_MOUSEBUTTONUP = 6 SDL_JOYAXISMOTION = 7 SDL_JOYBALLMOTION = 8 SDL_JOYHATMOTION = 9 SDL_JOYBUTTONDOWN = 10 SDL_JOYBUTTONUP = 11 SDL_QUIT = 12 SDL_SYSWMEVENT = 13 SDL_EVENT_RESERVEDA = 14 SDL_EVENT_RESERVEDB = 15 SDL_VIDEORESIZE = 16 SDL_VIDEOEXPOSE = 17 SDL_EVENT_RESERVED2 = 18 SDL_EVENT_RESERVED3 = 19 SDL_EVENT_RESERVED4 = 20 SDL_EVENT_RESERVED5 = 21 SDL_EVENT_RESERVED6 = 22 SDL_EVENT_RESERVED7 = 23 SDL_USEREVENT = 24 SDL_NUMEVENTS = 32 SDL_EventType <- function(event) offset(event, 0, "integer", 1) # ---------------------------------------------------------------------------- # OpenGL bindings dyn.load(.libGL) .importsGL <- " glGetError()i; glClearColor(ffff)v; glClear(i)v; glMatrixMode(i)v; glLoadIdentity()v; glBegin(i)v; glEnd()v; glVertex3d(ddd)v; glRotated(dddd)v; glGenLists(i)i; glNewList(ii)v; glEnableClientState(i)v; glVertexPointer(iiip)v; glColorPointer(iiip)v; glDrawElements(iiip)v; glDisableClientState(i)v; glEndList()v; glCallList(i)v; " if (OS == "windows") { .callGL <- .stdcall .callGLU <- .stdcall } else { .callGL <- .cdecl .callGLU <- .cdecl } # Import OpenGL symbols rdcBind(.libGL,.importsGL, .callGL) GL_FALSE = 0x0L GL_TRUE = 0x1L GL_BYTE = 0x1400L GL_UNSIGNED_BYTE = 0x1401L GL_SHORT = 0x1402L GL_UNSIGNED_SHORT = 0x1403L GL_INT = 0x1404L GL_UNSIGNED_INT = 0x1405L GL_FLOAT = 0x1406L GL_DOUBLE = 0x140AL GL_2_BYTES = 0x1407L GL_3_BYTES = 0x1408L GL_4_BYTES = 0x1409L GL_COMPILE = 0x1300L GL_COMPILE_AND_EXECUTE = 0x1301L GL_LIST_BASE = 0x0B32L GL_LIST_INDEX = 0x0B33L GL_LIST_MODE = 0x0B30L GL_VERTEX_ARRAY = 0x8074L GL_NORMAL_ARRAY = 0x8075L GL_COLOR_ARRAY = 0x8076L GL_INDEX_ARRAY = 0x8077L GL_TEXTURE_COORD_ARRAY = 0x8078L GL_EDGE_FLAG_ARRAY = 0x8079L GL_VERTEX_ARRAY_SIZE = 0x807AL GL_VERTEX_ARRAY_TYPE = 0x807BL GL_VERTEX_ARRAY_STRIDE = 0x807CL GL_NORMAL_ARRAY_TYPE = 0x807EL GL_NORMAL_ARRAY_STRIDE = 0x807FL GL_COLOR_ARRAY_SIZE = 0x8081L GL_COLOR_ARRAY_TYPE = 0x8082L GL_COLOR_ARRAY_STRIDE = 0x8083L GL_INDEX_ARRAY_TYPE = 0x8085L GL_INDEX_ARRAY_STRIDE = 0x8086L GL_TEXTURE_COORD_ARRAY_SIZE = 0x8088L GL_TEXTURE_COORD_ARRAY_TYPE = 0x8089L GL_TEXTURE_COORD_ARRAY_STRIDE = 0x808AL GL_EDGE_FLAG_ARRAY_STRIDE = 0x808CL GL_VERTEX_ARRAY_POINTER = 0x808EL GL_NORMAL_ARRAY_POINTER = 0x808FL GL_COLOR_ARRAY_POINTER = 0x8090L GL_INDEX_ARRAY_POINTER = 0x8091L GL_TEXTURE_COORD_ARRAY_POINTER = 0x8092L GL_EDGE_FLAG_ARRAY_POINTER = 0x8093L GL_V2F = 0x2A20L GL_V3F = 0x2A21L GL_C4UB_V2F = 0x2A22L GL_C4UB_V3F = 0x2A23L GL_C3F_V3F = 0x2A24L GL_N3F_V3F = 0x2A25L GL_C4F_N3F_V3F = 0x2A26L GL_T2F_V3F = 0x2A27L GL_T4F_V4F = 0x2A28L GL_T2F_C4UB_V3F = 0x2A29L GL_T2F_C3F_V3F = 0x2A2AL GL_T2F_N3F_V3F = 0x2A2BL GL_T2F_C4F_N3F_V3F = 0x2A2CL GL_T4F_C4F_N3F_V4F = 0x2A2DL GL_COLOR_BUFFER_BIT = 0x00004000L GL_MODELVIEW = 0x1700L GL_PROJECTION = 0x1701L GL_TEXTURE = 0x1702L GL_POINTS = 0x0000L GL_LINES = 0x0001L GL_LINE_LOOP = 0x0002L GL_LINE_STRIP = 0x0003L GL_TRIANGLES = 0x0004L GL_TRIANGLE_STRIP = 0x0005L GL_TRIANGLE_FAN = 0x0006L GL_QUADS = 0x0007L GL_QUAD_STRIP = 0x0008L GL_POLYGON = 0x0009L # ---------------------------------------------------------------------------- # OpenGL utility library .importsGLU <- " gluLookAt(ddddddddd)v; gluPerspective(dddd)v; " rdcBind(.libGLU,.importsGLU, .callGLU) #dyn.load(.libGLU) #.gluLookAt <- getNativeSymbolInfo("gluLookAt")$address #.gluPerspective <- getNativeSymbolInfo("gluPerspective")$address #luLookAt <- function(eyeX,eyeY,eyeZ,centerX,centerY,centerZ,upX,upY,upZ) # rdcCall(.gluLookAt,"ddddddddd)v", eyeX,eyeY,eyeZ,centerX,centerY,centerZ,upX,upY,upZ) #gluPerspective <- function(fovy,aspect,znear,zfar) # rdcCall(.gluPerspective,"dddd)v",fovy,aspect,znear,zfar) # ---------------------------------------------------------------------------- # demo init <- function() { if (OS == "darwin") { NSApplicationLoad() } err <- SDL_Init(SDL_INIT_VIDEO) if (err != 0) error("SDL_Init failed") surface <- SDL_SetVideoMode(512,512,32,SDL_DOUBLEBUF+SDL_OPENGL) } makeCubeDisplaylist <- function() { vertices <- c( -1,-1,-1, 1,-1,-1, -1, 1,-1, 1, 1,-1, -1,-1, 1, 1,-1, 1, -1, 1, 1, 1, 1, 1 ) colors <- as.raw( col2rgb( rainbow(8) ) ) triangleIndices <- as.integer(c( 0, 2, 1, 2, 3, 1, 1, 3, 7, 1, 7, 5, 4, 5, 7, 4, 7, 6, 6, 2, 0, 6, 0, 4, 2, 7, 3, 2, 6, 7, 4, 0, 5, 0, 1, 5 )) glEnableClientState(GL_VERTEX_ARRAY) glVertexPointer(3, GL_DOUBLE, 0, rdcDataPtr(vertices) ) glEnableClientState(GL_COLOR_ARRAY) glColorPointer(3, GL_UNSIGNED_BYTE, 0, rdcDataPtr(colors) ) displaylistId <- glGenLists(1) glNewList( displaylistId, GL_COMPILE ) glDrawElements(GL_TRIANGLES, 36L, GL_UNSIGNED_INT, rdcDataPtr(triangleIndices)) glEndList() glDisableClientState(GL_VERTEX_ARRAY) glDisableClientState(GL_COLOR_ARRAY) return(displaylistId) } #buffers <- integer(2) #glGenBuffersARG(length(buffers), rdcDataPtr(buffers)) #glBindBufferARB(GL_ARRAY_BUFFER_ARB, buffers[[1]] ) #glBufferDataARB(GL_ARRAY_BUFFER_ARB, rdcSizeOf(typeof(vertices)) * length(vertices) , rdcDataPtr(vertices) ) mainloop <- function() { displaylistId <- makeCubeDisplaylist() eventobj <- malloc(256) blink <- 0 tbase <- SDL_GetTicks() quit <- FALSE while(!quit) { tnow <- SDL_GetTicks() tdemo <- ( tnow - tbase ) / 1000 glClearColor(0,0,blink,0) glClear(GL_COLOR_BUFFER_BIT) glMatrixMode(GL_PROJECTION) glLoadIdentity() aspect <- 512/512 gluPerspective(60, aspect, 3, 1000) glMatrixMode(GL_MODELVIEW) glLoadIdentity() gluLookAt(0,0,5,0,0,0,0,1,0) glRotated(sin(tdemo)*60.0, 0, 1, 0); glRotated(cos(tdemo)*90.0, 1, 0, 0); glCallList(displaylistId) #glBegin(GL_TRIANGLES) #glVertex3d(-1,-1,-1) #glVertex3d( 1,-1,-1) #glVertex3d( 1, 1,-1) #glVertex3d(-1,-1,-1) #glVertex3d( 1, 1,-1) #glVertex3d(-1, 1,-1) #glEnd() SDL_GL_SwapBuffers() SDL_WM_SetCaption(paste("time:", tdemo),0) blink <- blink + 0.01 while (blink > 1) blink <- blink - 1 while( SDL_PollEvent(eventobj) != 0 ) { eventType <- rdcUnpack1(eventobj, 0L, "c") if (eventType == SDL_QUIT) quit <- TRUE else if (eventType == SDL_MOUSEBUTTONDOWN) { button <- rdcUnpack1(eventobj, 1L, "c") cat("button down: ",button,"\n") } } glerr <- glGetError() if (glerr != 0) { cat("GL Error:", glerr) quit <- 1 } SDL_Delay(30) } free(eventobj) #glDeleteLists(displaylistId, 1) } cleanup <- function() { SDL_Quit() } run <- function() { init() mainloop() } # run()