[SDL2][WIP] MorphOS Support

Makefile.mos

@@ -0,0 +1,115 @@
+# Makefile to build the SDL 2 library
+#
+# Enable debug with -D__SDL_DEBUG
+
+CDEFS   = -DAROS_ALMOST_COMPATIBLE -DBUILD_SDL2_LIBRARY -D__SDL_DEBUG
+CC      = ppc-morphos-gcc-10 -noixemul
+AMIGADATE = $(shell date +"%-d.%-m.%Y")
+INCLUDE = -I./include -D__AMIGADATE__=\"$(AMIGADATE)\"
+CFLAGS  = -mcpu=750 -mtune=7450 -O2 $(INCLUDE) -mresident32 -Wall -Wno-pointer-sign -fno-strict-aliasing $(CDEFS)
+AR      = ppc-morphos-ar
+
+ECHE = echo -e
+BOLD = \033[1m
+NRML = \033[22m
+
+COMPILING = @$(ECHE) "compiling $(BOLD)$@$(NRML)..."
+LINKING = @$(ECHE) "linking $(BOLD)$@$(NRML)..."
+STRIPPING = @$(ECHE) "stripping $(BOLD)$@$(NRML)..."
+ARCHIVING = @$(ECHE) "archiving $(BOLD)$@$(NRML)..."
+HEADERING = @$(ECHE) "creating headers files $(BOLD)$@$(NRML)..."
+
+TARGET  = libSDL2.a
+LIBRARY = sdl2.library
+
+SOURCES = \
+	src/*.c \
+	src/atomic/*.c \
+	src/audio/*.c \
+	src/audio/ahi/*.c \
+	src/audio/disk/*.c \
+	src/audio/dummy/*.c \
+	src/cpuinfo/*.c \
+	src/events/*.c \
+	src/file/*.c \
+	src/filesystem/amiga/*.c \
+	src/haptic/*.c \
+	src/haptic/dummy/*.c \
+	src/joystick/*.c \
+	src/joystick/amiga/*.c \
+	src/joystick/morphos/*.c \
+	src/loadso/dlopen/*.c \
+	src/power/*.c \
+	src/power/morphos/*.c \
+	src/render/*.c \
+	src/render/software/*.c \
+	src/render/opengl/*.c \
+	src/sensor/*.c \
+	src/sensor/dummy/*.c \
+	src/stdlib/*.c \
+	src/thread/*.c \
+	src/thread/morphos/*.c \
+	src/timer/*.c \
+	src/timer/amiga/*.c \
+	src/video/*.c \
+	src/video/amiga/*.c \
+	src/video/yuv2rgb/*.c \
+	src/misc/*.c \
+	src/misc/morphos/*.c \
+	src/locale/*.c \
+	src/locale/morphos/*.c \
+
+CORESOURCES = src/core/morphos/*.c
+COREOBJECTS = $(shell echo $(CORESOURCES) | sed -e 's,\.c,\.o,g')
+
+OBJECTS = $(shell echo $(SOURCES) | sed -e 's,\.c,\.o,g')
+
+all: $(LIBRARY) lib
+
+sdk: $(LIBRARY)
+	mkdir -p /usr/local/bin
+	mkdir -p /usr/local/include/SDL2
+	mkdir -p /usr/local/lib
+	mkdir -p /usr/local/lib/libb32
+	cp include/*.h /usr/local/include/SDL2
+	cp src/core/morphos/devenv/lib/libSDL2.a /usr/local/lib/libSDL2.a
+	cp src/core/morphos/devenv/lib/libb32/libSDL2.a /usr/local/lib/libb32/libSDL2.a
+
+headers:
+	$(HEADERING)
+	@cvinclude.pl --fd=src/core/morphos/sdk/fd/sdl2_lib.fd --clib=src/core/morphos/sdk/clib/sdl2_protos.h --proto=src/core/morphos/sdk/proto/sdl2.h
+	@cvinclude.pl --fd=src/core/morphos/sdk/fd/sdl2_lib.fd --clib=src/core/morphos/sdk/clib/sdl2_protos.h --inline=src/core/morphos/sdk/ppcinline/sdl2.h
+
+lib:
+	@cd src/core/morphos/devenv; if ! $(MAKE) $(MAKECMDGOALS); then exit 1; fi;
+
+install: $(LIBRARY) lib
+	cp $(LIBRARY) Libs:
+	-flushlib $(LIBRARY)
+
+src/video/SDL_blit_N.o: src/video/SDL_blit_N.c
+	$(CC) $(CFLAGS) -fvec -maltivec -faltivec -mabi=altivec -o $@ -c src/video/SDL_blit_N.c
+
+src/core/morphos/SDL_cpu.o: src/core/morphos/SDL_cpu.c
+	$(CC) $(CFLAGS) -fvec -maltivec -faltivec -mabi=altivec -o $@ -c $^
+
+src/core/morphos/SDL_library.o: src/core/morphos/SDL_library.c src/core/morphos/SDL_library.h src/core/morphos/SDL_stubs.h
+	$(COMPILING)
+	@$(CC) -mcpu=750 $(INCLUDE) -Wall -fno-strict-aliasing -DAROS_ALMOST_COMPATIBLE -o $@ -c $*.c
+
+$(TARGET): $(OBJECTS)
+	$(ARCHIVING)
+	@$(AR) crvs $@ $^
+
+$(LIBRARY): $(TARGET) $(COREOBJECTS)
+	$(LINKING)
+	@$(CC) -nostartfiles -mresident32 -Wl,-Map=sdl2.map $(COREOBJECTS) -o $@.db -L. -lSDL2 -lm
+	$(STRIPPING)
+	@ppc-morphos-strip -o $@ --remove-section=.comment $@.db
+
+clean:
+	rm -f $(LIBRARY) $(TARGET) $(OBJECTS) $(COREOBJECTS) *.db *.s
+	@cd src/core/morphos/devenv; if ! $(MAKE) $(MAKECMDGOALS); then exit 1; fi;
+
+dump:
+	ppc-morphos-objdump --disassemble-all --reloc $(LIBRARY).db >$(LIBRARY).s

include/SDL_atomic.h

@@ -156,8 +156,13 @@ extern DECLSPEC void SDLCALL SDL_MemoryBarrierReleaseFunction(void);
 extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquireFunction(void);
 
 #if defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
+#if defined(__MORPHOS__)
+#define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("sync" : : : "memory")
+#define SDL_MemoryBarrierAcquire()   __asm__ __volatile__ ("sync" : : : "memory")
+#else
 #define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("lwsync" : : : "memory")
 #define SDL_MemoryBarrierAcquire()   __asm__ __volatile__ ("lwsync" : : : "memory")
+#endif
 #elif defined(__GNUC__) && defined(__aarch64__)
 #define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("dmb ish" : : : "memory")
 #define SDL_MemoryBarrierAcquire()   __asm__ __volatile__ ("dmb ish" : : : "memory")

include/SDL_config.h

@@ -43,6 +43,8 @@
 #include "SDL_config_psp.h"
 #elif defined(__OS2__)
 #include "SDL_config_os2.h"
+#elif defined(__MORPHOS__)
+#include "SDL_config_morphos.h"
 #else
 /* This is a minimal configuration just to get SDL running on new platforms. */
 #include "SDL_config_minimal.h"

include/SDL_config_morphos.h

@@ -0,0 +1,196 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef _SDL_config_morphos_h
+#define _SDL_config_morphos_h
+
+#include "SDL_platform.h"
+
+/**
+ *  \file SDL_config_morphos.h
+ *
+ *  This is the MorphOS configuration used to build SDL.
+ */
+
+#define HAVE_STDARG_H   1
+#define HAVE_STDDEF_H   1
+#define HAVE_STDINT_H   1
+#if !defined(BUILD_SDL2_LIBRARY)
+#define HAVE_SIGNAL_H   1
+#endif
+
+#ifdef __GNUC__
+#define HAVE_GCC_SYNC_LOCK_TEST_AND_SET 1
+#endif
+
+#define SIZEOF_VOIDP sizeof(IPTR)
+
+/* Useful headers */
+#define HAVE_ALLOCA_H       1
+#define HAVE_SYS_TYPES_H    1
+#define STDC_HEADERS    1
+#define HAVE_STRING_H   1
+#define HAVE_INTTYPES_H 1
+#define HAVE_STDINT_H   1
+#define HAVE_CTYPE_H    1
+#define HAVE_MATH_H 1
+
+/* C library functions */
+#define HAVE_MALLOC 1
+#define HAVE_CALLOC 1
+#define HAVE_REALLOC    1
+#define HAVE_FREE   1
+#define HAVE_ALLOCA 1
+#define HAVE_QSORT  1
+#define HAVE_ABS    1
+#define HAVE_BCOPY  1
+#define HAVE_MEMSET 1
+#define HAVE_MEMCPY 1
+#define HAVE_MEMMOVE    1
+#define HAVE_MEMCMP 1
+#define HAVE_STRLEN 1
+#define HAVE_STRLCPY    1
+#define HAVE_STRLCAT    1
+#define HAVE_STRDUP 1
+#define HAVE_STRCHR 1
+#define HAVE_STRRCHR    1
+#define HAVE_STRSTR 1
+#define HAVE_STRTOL 1
+#define HAVE_STRTOUL    1
+#define HAVE_STRTOLL    1
+#define HAVE_STRTOULL   1
+#define HAVE_STRTOD 1
+#define HAVE_ATOI   1
+#define HAVE_ATOF   1
+#define HAVE_STRCMP 1
+#define HAVE_STRNCMP    1
+#define HAVE_STRCASECMP 1
+#define HAVE_STRNCASECMP 1
+#define HAVE_VSSCANF 1
+#define HAVE_VSNPRINTF  1
+#define HAVE_CEIL   1
+#define HAVE_COPYSIGN   1
+#define HAVE_COS    1
+#define HAVE_COSF   1
+#define HAVE_FABS   1
+#define HAVE_FLOOR  1
+#define HAVE_LOG    1
+#define HAVE_POW    1
+#define HAVE_SCALBN 1
+#define HAVE_SIN    1
+#define HAVE_SINF   1
+#define HAVE_SQRT   1
+#define HAVE_SETJMP 1
+#define HAVE_NANOSLEEP  1
+#define HAVE_SYSCONF    1
+#define HAVE_ATAN 1
+#define HAVE_ATAN2 1
+#define HAVE_ACOS 1
+#define HAVE_ASIN 1
+#define HAVE_TAN 1
+#define HAVE_TANF 1
+
+#define HAVE_WCHAR_H 1
+//#define HAVE_ICONV_H 1
+//#define HAVE_ICONV 1
+#define HAVE_STDIO_H 1
+#define HAVE_LIMITS_H 1
+#define HAVE_ATANF 1
+#define HAVE_ATAN2F 1
+#define HAVE_ACOSF 1
+#define HAVE_ASINF 1
+#define HAVE_CEILF 1
+#define HAVE_COPYSIGNF 1
+#define HAVE_FABSF 1
+#define HAVE_FLOORF 1
+#define HAVE_FMOD 1
+#define HAVE_FMODF 1
+#define HAVE_LOGF 1
+#define HAVE_LOG10 1
+#define HAVE_LOG10F 1
+#define HAVE_POWF 1
+#define HAVE_SCALBNF 1
+#define HAVE_EXP    1
+#define HAVE_EXPF   1
+
+#define HAVE_ALTIVEC_H 1
+#define SDL_ENABLE_ALTIVEC_H 1
+
+/* Enable various audio drivers */
+#define SDL_AUDIO_DRIVER_AHI   1
+#define SDL_AUDIO_DRIVER_DISK  1
+#define SDL_AUDIO_DRIVER_DUMMY 1
+
+/* Enable haptic drivers */
+#define SDL_HAPTIC_DUMMY 	1
+
+/* Enable SENSOR */
+#define SDL_SENSOR_DUMMY    1
+
+/* Enable AMIGA (lowlevel.library) JOYSTICK/GAMEPAD */
+//#define SDL_JOYSTICK_AMIGA     1
+/* Enable MORPHOS SENSORS JOYSTICK/GAMEPAD */
+#define SDL_JOYSTICK_MORPHOS   1  
+
+/* Enable various shared object loading systems */
+#define SDL_LOADSO_DLOPEN   1
+
+/* Enable thread support */
+#define SDL_THREAD_MORPHOS    1
+
+/* Enable timer support */
+#define SDL_TIMERS_AMIGA 1
+
+/* Enable video driver */
+#define SDL_VIDEO_DRIVER_AMIGA  1
+
+/* Enable filesystem driver */
+#define SDL_FILESYSTEM_AMIGA  1
+
+/* Enable system power support */
+#define SDL_POWER_MORPHOS 1
+
+/* Enable assembly routines */
+#define SDL_ALTIVEC_BLITTERS    1
+
+/* Maybe later */
+#ifndef SDL_VIDEO_RENDER_OGL
+//#define SDL_VIDEO_RENDER_OGL    1
+#endif
+
+/* Enable OpenGL support */
+#ifndef SDL_VIDEO_OPENGL
+#define SDL_VIDEO_OPENGL    1
+#endif
+
+#if defined(__MORPHOS__)
+	#if defined(__SDL_DEBUG)
+		#include <exec/types.h>
+		extern struct ExecBase *SysBase;
+		#define D(fmt, ...) ({((STRPTR (*)(void *, CONST_STRPTR , APTR (*)(APTR, UBYTE), STRPTR , ...))*(void**)((long)(SysBase) - 922))((void*)(SysBase), fmt, (APTR)1, NULL, ##__VA_ARGS__);})
+	#else
+		#define D(fmt, ...)
+	#endif
+#else
+	#define D(fmt, ...)
+#endif
+
+#endif /* _SDL_config_morphos_h */

include/SDL_opengl.h

@@ -44,6 +44,12 @@
 
 #include "SDL_opengl_glext.h"
 
+#elif defined(__MORPHOS__)
+
+#include <tgl/gl.h>
+#include <tgl/glu.h>
+#include "SDL_opengl_glext.h"
+
 #else
 
 #ifndef __IPHONEOS__  /* No OpenGL on iOS. */

include/SDL_opengl_glext.h

@@ -1409,7 +1409,9 @@ typedef unsigned __int64 uint64_t;
 #include <inttypes.h>
 #endif
 #endif
+#ifndef __MORPHOS__
 typedef uint64_t GLuint64;
+#endif
 typedef int64_t GLint64;
 #define GL_CONTEXT_CORE_PROFILE_BIT       0x00000001
 #define GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002
@@ -2597,7 +2599,9 @@ GLAPI void APIENTRY glBindVertexBuffers (GLuint first, GLsizei count, const GLui
 
 #ifndef GL_ARB_bindless_texture
 #define GL_ARB_bindless_texture 1
+#ifndef __MORPHOS__
 typedef uint64_t GLuint64EXT;
+#endif
 #define GL_UNSIGNED_INT64_ARB             0x140F
 typedef GLuint64 (APIENTRYP PFNGLGETTEXTUREHANDLEARBPROC) (GLuint texture);
 typedef GLuint64 (APIENTRYP PFNGLGETTEXTURESAMPLERHANDLEARBPROC) (GLuint texture, GLuint sampler);