/* $Id: VBoxVideoIPRT.h,v 1.2 2019/01/31 20:46:43 christos Exp $ */ /* * Copyright (C) 2017 Oracle Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* In builds inside of the VirtualBox source tree we override the default * VBoxVideoIPRT.h using -include, therefore this define must match the one * there. */ #ifndef ___VBox_Graphics_VBoxVideoIPRT_h #define ___VBox_Graphics_VBoxVideoIPRT_h # include "VBoxVideoErr.h" #ifndef __cplusplus typedef enum { false = 0, true } bool; # define RT_C_DECLS_BEGIN # define RT_C_DECLS_END #else # define RT_C_DECLS_BEGIN extern "C" { # define RT_C_DECLS_END } #endif #if defined(IN_XF86_MODULE) && !defined(NO_ANSIC) # ifdef __cplusplus /* xf86Module.h redefines this. */ # define NULL 0 # endif RT_C_DECLS_BEGIN # include "xf86_ansic.h" RT_C_DECLS_END #endif /* defined(IN_XF86_MODULE) && !defined(NO_ANSIC) */ #define __STDC_LIMIT_MACROS /* define *INT*_MAX on C++ too. */ #include "compiler.h" /* Can pull in . Must come after xf86_ansic.h on XFree86. */ #include #include #if defined(IN_XF86_MODULE) && !defined(NO_ANSIC) /* XFree86 did not have these. Not that I care much for micro-optimisations * in most cases anyway. */ # define _X_LIKELY(x) (x) # define _X_UNLIKELY(x) (x) # ifndef offsetof # define offsetof(type, member) ( (int)(uintptr_t)&( ((type *)(void *)0)->member) ) # endif #else /* !(defined(IN_XF86_MODULE) && !defined(NO_ANSIC)) */ # include # include # include #endif /* !(defined(IN_XF86_MODULE) && !defined(NO_ANSIC)) */ RT_C_DECLS_BEGIN extern int RTASSERTVAR[1]; RT_C_DECLS_END #define AssertCompile(expr) \ extern int RTASSERTVAR[1] __attribute__((__unused__)), \ RTASSERTVAR[(expr) ? 1 : 0] __attribute__((__unused__)) #define AssertCompileSize(type, size) \ AssertCompile(sizeof(type) == (size)) #define AssertPtrNullReturnVoid(a) do { } while(0) #if !defined(IN_XF86_MODULE) && defined(DEBUG) # include # define Assert assert # define AssertFailed() assert(0) # define AssertMsg(expr, msg) \ do { \ if (!(expr)) xf86ErrorF msg; \ assert((expr)); \ } while (0) # define AssertPtr assert # define AssertRC(expr) assert (!expr) #else # define Assert(expr) do { } while(0) # define AssertFailed() do { } while(0) # define AssertMsg(expr, msg) do { } while(0) # define AssertPtr(expr) do { } while(0) # define AssertRC(expr) do { } while(0) #endif #define DECLCALLBACK(type) type #define DECLCALLBACKMEMBER(type, name) type (* name) #if __GNUC__ >= 4 # define DECLHIDDEN(type) __attribute__((visibility("hidden"))) type #else # define DECLHIDDEN(type) type #endif #define DECLINLINE(type) static __inline__ type #define _1K 1024 #define ASMCompilerBarrier mem_barrier #define RT_BIT(bit) ( 1U << (bit) ) #define RT_BOOL(Value) ( !!(Value) ) #define RT_BZERO(pv, cb) do { memset((pv), 0, cb); } while (0) #define RT_CLAMP(Value, Min, Max) ( (Value) > (Max) ? (Max) : (Value) < (Min) ? (Min) : (Value) ) #define RT_ELEMENTS(aArray) ( sizeof(aArray) / sizeof((aArray)[0]) ) #define RTIOPORT unsigned short #ifdef __clang__ #define RT_NOREF(...) ((void)0) #else #define RT_NOREF(...) (void)(__VA_ARGS__) #endif #define RT_OFFSETOF(type, member) offsetof(type, member) #define RT_ZERO(Obj) RT_BZERO(&(Obj), sizeof(Obj)) #define VALID_PTR(ptr) ( (uintptr_t)(ptr) + 0x1000U >= 0x2000U ) #ifndef INT16_C # define INT16_C(Value) (Value) #endif #ifndef UINT16_C # define UINT16_C(Value) (Value) #endif #ifndef INT32_C # define INT32_C(Value) (Value ## U) #endif #ifndef UINT32_C # define UINT32_C(Value) (Value ## U) #endif #define likely _X_LIKELY #define unlikely _X_UNLIKELY /** * A point in a two dimentional coordinate system. */ typedef struct RTPOINT { /** X coordinate. */ int32_t x; /** Y coordinate. */ int32_t y; } RTPOINT; /** * Rectangle data type, double point. */ typedef struct RTRECT { /** left X coordinate. */ int32_t xLeft; /** top Y coordinate. */ int32_t yTop; /** right X coordinate. (exclusive) */ int32_t xRight; /** bottom Y coordinate. (exclusive) */ int32_t yBottom; } RTRECT; /** * Rectangle data type, point + size. */ typedef struct RTRECT2 { /** X coordinate. * Unless stated otherwise, this is the top left corner. */ int32_t x; /** Y coordinate. * Unless stated otherwise, this is the top left corner. */ int32_t y; /** The width. * Unless stated otherwise, this is to the right of (x,y) and will not * be a negative number. */ int32_t cx; /** The height. * Unless stated otherwise, this is down from (x,y) and will not be a * negative number. */ int32_t cy; } RTRECT2; /** * The size of a rectangle. */ typedef struct RTRECTSIZE { /** The width (along the x-axis). */ uint32_t cx; /** The height (along the y-axis). */ uint32_t cy; } RTRECTSIZE; /** @name Port I/O helpers * @{ */ /** Write an 8-bit value to an I/O port. */ #define VBVO_PORT_WRITE_U8(Port, Value) \ outb(Port, Value) /** Write a 16-bit value to an I/O port. */ #define VBVO_PORT_WRITE_U16(Port, Value) \ outw(Port, Value) /** Write a 32-bit value to an I/O port. */ #define VBVO_PORT_WRITE_U32(Port, Value) \ outl(Port, Value) /** Read an 8-bit value from an I/O port. */ #define VBVO_PORT_READ_U8(Port) \ inb(Port) /** Read a 16-bit value from an I/O port. */ #define VBVO_PORT_READ_U16(Port) \ inw(Port) /** Read a 32-bit value from an I/O port. */ #define VBVO_PORT_READ_U32(Port) \ inl(Port) /** @} */ #endif