mirror of https://github.com/encounter/SDL.git
Add a barebones RISC OS video driver
This commit is contained in:
Cameron Cawley
Sam Lantinga
parent
a559864968
commit
25c71748ad
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@ -2118,6 +2118,13 @@ elseif(RISCOS)
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set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
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set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
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set(HAVE_SDL_MISC TRUE)
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set(HAVE_SDL_MISC TRUE)
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if(SDL_VIDEO)
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set(SDL_VIDEO_DRIVER_RISCOS 1)
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file(GLOB RISCOSVIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/riscos/*.c)
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set(SOURCE_FILES ${SOURCE_FILES} ${RISCOSVIDEO_SOURCES})
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set(HAVE_SDL_VIDEO TRUE)
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endif()
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if(SDL_FILESYSTEM)
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if(SDL_FILESYSTEM)
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set(SDL_FILESYSTEM_RISCOS 1)
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set(SDL_FILESYSTEM_RISCOS 1)
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file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/riscos/*.c)
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file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/riscos/*.c)
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@ -25794,6 +25794,15 @@ $as_echo "#define SDL_TIMER_UNIX 1" >>confdefs.h
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SOURCES="$SOURCES $srcdir/src/misc/riscos/*.c"
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SOURCES="$SOURCES $srcdir/src/misc/riscos/*.c"
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have_misc=yes
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have_misc=yes
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# Set up files for the video library
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if test x$enable_video = xyes; then
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$as_echo "#define SDL_VIDEO_DRIVER_RISCOS 1" >>confdefs.h
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SOURCES="$SOURCES $srcdir/src/video/riscos/*.c"
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have_video=yes
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SUMMARY_video="${SUMMARY_video} riscos"
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fi
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# Set up files for the filesystem library
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# Set up files for the filesystem library
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if test x$enable_filesystem = xyes; then
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if test x$enable_filesystem = xyes; then
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@ -4277,6 +4277,13 @@ case "$host" in
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SOURCES="$SOURCES $srcdir/src/misc/riscos/*.c"
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SOURCES="$SOURCES $srcdir/src/misc/riscos/*.c"
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have_misc=yes
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have_misc=yes
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# Set up files for the video library
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if test x$enable_video = xyes; then
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AC_DEFINE(SDL_VIDEO_DRIVER_RISCOS, 1, [ ])
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SOURCES="$SOURCES $srcdir/src/video/riscos/*.c"
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have_video=yes
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SUMMARY_video="${SUMMARY_video} riscos"
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fi
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# Set up files for the filesystem library
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# Set up files for the filesystem library
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if test x$enable_filesystem = xyes; then
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if test x$enable_filesystem = xyes; then
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AC_DEFINE(SDL_FILESYSTEM_RISCOS, 1, [ ])
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AC_DEFINE(SDL_FILESYSTEM_RISCOS, 1, [ ])
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@ -392,6 +392,7 @@
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#cmakedefine SDL_VIDEO_DRIVER_VIVANTE_VDK @SDL_VIDEO_DRIVER_VIVANTE_VDK@
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#cmakedefine SDL_VIDEO_DRIVER_VIVANTE_VDK @SDL_VIDEO_DRIVER_VIVANTE_VDK@
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#cmakedefine SDL_VIDEO_DRIVER_OS2 @SDL_VIDEO_DRIVER_OS2@
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#cmakedefine SDL_VIDEO_DRIVER_OS2 @SDL_VIDEO_DRIVER_OS2@
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#cmakedefine SDL_VIDEO_DRIVER_QNX @SDL_VIDEO_DRIVER_QNX@
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#cmakedefine SDL_VIDEO_DRIVER_QNX @SDL_VIDEO_DRIVER_QNX@
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#cmakedefine SDL_VIDEO_DRIVER_RISCOS @SDL_VIDEO_DRIVER_RISCOS@
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#cmakedefine SDL_VIDEO_DRIVER_KMSDRM @SDL_VIDEO_DRIVER_KMSDRM@
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#cmakedefine SDL_VIDEO_DRIVER_KMSDRM @SDL_VIDEO_DRIVER_KMSDRM@
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#cmakedefine SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC @SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC@
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#cmakedefine SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC @SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC@
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@ -401,6 +401,7 @@
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#undef SDL_VIDEO_DRIVER_VIVANTE_VDK
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#undef SDL_VIDEO_DRIVER_VIVANTE_VDK
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#undef SDL_VIDEO_DRIVER_OS2
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#undef SDL_VIDEO_DRIVER_OS2
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#undef SDL_VIDEO_DRIVER_QNX
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#undef SDL_VIDEO_DRIVER_QNX
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#undef SDL_VIDEO_DRIVER_RISCOS
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#undef SDL_VIDEO_RENDER_D3D
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#undef SDL_VIDEO_RENDER_D3D
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#undef SDL_VIDEO_RENDER_D3D11
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#undef SDL_VIDEO_RENDER_D3D11
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@ -143,7 +143,8 @@ typedef enum
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SDL_SYSWM_VIVANTE,
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SDL_SYSWM_VIVANTE,
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SDL_SYSWM_OS2,
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SDL_SYSWM_OS2,
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SDL_SYSWM_HAIKU,
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SDL_SYSWM_HAIKU,
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SDL_SYSWM_KMSDRM
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SDL_SYSWM_KMSDRM,
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SDL_SYSWM_RISCOS
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} SDL_SYSWM_TYPE;
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} SDL_SYSWM_TYPE;
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/**
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/**
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@ -437,6 +437,7 @@ extern VideoBootStrap UIKIT_bootstrap;
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extern VideoBootStrap Android_bootstrap;
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extern VideoBootStrap Android_bootstrap;
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extern VideoBootStrap PSP_bootstrap;
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extern VideoBootStrap PSP_bootstrap;
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extern VideoBootStrap VITA_bootstrap;
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extern VideoBootStrap VITA_bootstrap;
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extern VideoBootStrap RISCOS_bootstrap;
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extern VideoBootStrap RPI_bootstrap;
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extern VideoBootStrap RPI_bootstrap;
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extern VideoBootStrap KMSDRM_bootstrap;
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extern VideoBootStrap KMSDRM_bootstrap;
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extern VideoBootStrap KMSDRM_LEGACY_bootstrap;
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extern VideoBootStrap KMSDRM_LEGACY_bootstrap;
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@ -100,6 +100,9 @@ static VideoBootStrap *bootstrap[] = {
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#if SDL_VIDEO_DRIVER_KMSDRM
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#if SDL_VIDEO_DRIVER_KMSDRM
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&KMSDRM_bootstrap,
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&KMSDRM_bootstrap,
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#endif
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#endif
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#if SDL_VIDEO_DRIVER_RISCOS
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&RISCOS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_RPI
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#if SDL_VIDEO_DRIVER_RPI
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&RPI_bootstrap,
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&RPI_bootstrap,
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#endif
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#endif
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@ -4152,11 +4155,14 @@ SDL_IsScreenKeyboardShown(SDL_Window *window)
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#if SDL_VIDEO_DRIVER_OS2
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#if SDL_VIDEO_DRIVER_OS2
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#include "os2/SDL_os2messagebox.h"
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#include "os2/SDL_os2messagebox.h"
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#endif
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#endif
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#if SDL_VIDEO_DRIVER_RISCOS
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#include "riscos/SDL_riscosmessagebox.h"
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#endif
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#if SDL_VIDEO_DRIVER_VITA
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#if SDL_VIDEO_DRIVER_VITA
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#include "vita/SDL_vitamessagebox.h"
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#include "vita/SDL_vitamessagebox.h"
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#endif
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#endif
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#if SDL_VIDEO_DRIVER_WINDOWS || SDL_VIDEO_DRIVER_WINRT || SDL_VIDEO_DRIVER_COCOA || SDL_VIDEO_DRIVER_UIKIT || SDL_VIDEO_DRIVER_X11 || SDL_VIDEO_DRIVER_WAYLAND || SDL_VIDEO_DRIVER_HAIKU || SDL_VIDEO_DRIVER_OS2
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#if SDL_VIDEO_DRIVER_WINDOWS || SDL_VIDEO_DRIVER_WINRT || SDL_VIDEO_DRIVER_COCOA || SDL_VIDEO_DRIVER_UIKIT || SDL_VIDEO_DRIVER_X11 || SDL_VIDEO_DRIVER_WAYLAND || SDL_VIDEO_DRIVER_HAIKU || SDL_VIDEO_DRIVER_OS2 || SDL_VIDEO_DRIVER_RISCOS
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static SDL_bool SDL_MessageboxValidForDriver(const SDL_MessageBoxData *messageboxdata, SDL_SYSWM_TYPE drivertype)
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static SDL_bool SDL_MessageboxValidForDriver(const SDL_MessageBoxData *messageboxdata, SDL_SYSWM_TYPE drivertype)
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{
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{
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SDL_SysWMinfo info;
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SDL_SysWMinfo info;
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@ -4276,6 +4282,13 @@ SDL_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
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retval = 0;
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retval = 0;
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}
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}
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#endif
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#endif
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#if SDL_VIDEO_DRIVER_RISCOS
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if (retval == -1 &&
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SDL_MessageboxValidForDriver(messageboxdata, SDL_SYSWM_RISCOS) &&
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RISCOS_ShowMessageBox(messageboxdata, buttonid) == 0) {
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retval = 0;
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}
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#endif
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#if SDL_VIDEO_DRIVER_VITA
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#if SDL_VIDEO_DRIVER_VITA
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if (retval == -1 &&
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if (retval == -1 &&
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VITA_ShowMessageBox(messageboxdata, buttonid) == 0) {
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VITA_ShowMessageBox(messageboxdata, buttonid) == 0) {
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@ -0,0 +1,41 @@
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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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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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
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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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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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../../SDL_internal.h"
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#if SDL_VIDEO_DRIVER_RISCOS
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/* Being a null driver, there's no event stream. We just define stubs for
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most of the API. */
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#include "../../events/SDL_events_c.h"
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#include "SDL_riscosvideo.h"
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#include "SDL_riscosevents_c.h"
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void
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RISCOS_PumpEvents(_THIS)
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{
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/* do nothing. */
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}
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#endif /* SDL_VIDEO_DRIVER_RISCOS */
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/* vi: set ts=4 sw=4 expandtab: */
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@ -0,0 +1,33 @@
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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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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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
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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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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3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef SDL_riscosevents_c_h_
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#define SDL_riscosevents_c_h_
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#include "../../SDL_internal.h"
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#include "SDL_riscosvideo.h"
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extern void RISCOS_PumpEvents(_THIS);
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#endif /* SDL_riscosevents_c_h_ */
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/* vi: set ts=4 sw=4 expandtab: */
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@ -0,0 +1,148 @@
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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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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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
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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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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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../../SDL_internal.h"
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#if SDL_VIDEO_DRIVER_RISCOS
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#include "../SDL_sysvideo.h"
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#include "SDL_riscosframebuffer_c.h"
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#include "SDL_riscosvideo.h"
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#include <kernel.h>
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#include <swis.h>
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#define DUMMY_SURFACE "_SDL_DummySurface"
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typedef struct {
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Uint32 size;
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Uint32 count;
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Uint32 start;
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Uint32 end;
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} sprite_area;
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int SDL_RISCOS_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch)
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{
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const char *sprite_name = "display";
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int width, height, size, bytesPerRow;
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unsigned int sprite_mode;
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_kernel_oserror *error;
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_kernel_swi_regs regs;
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sprite_area *buffer;
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Uint32 pixelformat;
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SDL_DisplayMode mode;
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/* Free the old framebuffer surface */
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buffer = (sprite_area *) SDL_SetWindowData(window, DUMMY_SURFACE, NULL);
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SDL_free(buffer);
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/* Create a new one */
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SDL_GetWindowSize(window, &width, &height);
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SDL_GetCurrentDisplayMode(SDL_GetWindowDisplayIndex(window), &mode);
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if ((SDL_ISPIXELFORMAT_PACKED(mode.format) || SDL_ISPIXELFORMAT_ARRAY(mode.format))) {
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pixelformat = mode.format;
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sprite_mode = (unsigned int)mode.driverdata;
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} else {
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pixelformat = SDL_PIXELFORMAT_BGR888;
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sprite_mode = (1 | (90 << 1) | (90 << 14) | (6 << 27));
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}
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bytesPerRow = SDL_BYTESPERPIXEL(pixelformat) * width;
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if ((bytesPerRow & 3) != 0) {
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bytesPerRow += 4 - (bytesPerRow & 3);
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}
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size = 60 + (bytesPerRow * height);
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buffer = SDL_malloc(size);
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if (!buffer) {
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SDL_OutOfMemory();
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return -1;
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}
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/* Initialise a sprite area */
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buffer->size = size;
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buffer->start = 16;
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regs.r[0] = 256+9;
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regs.r[1] = (unsigned int)buffer;
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error = _kernel_swi(OS_SpriteOp, ®s, ®s);
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if (error != NULL) {
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SDL_SetError("Unable to initialise sprite area: %s (%i)", error->errmess, error->errnum);
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SDL_free(buffer);
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return -1;
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}
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regs.r[0] = 256+15;
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regs.r[1] = (unsigned int)buffer;
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regs.r[2] = (unsigned int)sprite_name;
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regs.r[3] = 0;
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regs.r[4] = width;
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regs.r[5] = height;
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regs.r[6] = sprite_mode;
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error = _kernel_swi(OS_SpriteOp, ®s, ®s);
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if (error != NULL) {
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SDL_SetError("Unable to create sprite: %s (%i)", error->errmess, error->errnum);
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SDL_free(buffer);
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return -1;
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}
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/* Save the info and return! */
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SDL_SetWindowData(window, DUMMY_SURFACE, buffer);
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*format = pixelformat;
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*pixels = ((Uint8 *)buffer) + 60;
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*pitch = bytesPerRow;
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return 0;
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}
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int SDL_RISCOS_UpdateWindowFramebuffer(_THIS, SDL_Window * window, const SDL_Rect * rects, int numrects)
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{
|
||||||
|
_kernel_swi_regs regs;
|
||||||
|
sprite_area *buffer;
|
||||||
|
|
||||||
|
buffer = (sprite_area *) SDL_GetWindowData(window, DUMMY_SURFACE);
|
||||||
|
if (!buffer) {
|
||||||
|
return SDL_SetError("Couldn't find sprite for window");
|
||||||
|
}
|
||||||
|
|
||||||
|
regs.r[0] = 512+52;
|
||||||
|
regs.r[1] = (unsigned int)buffer;
|
||||||
|
regs.r[2] = (unsigned int)buffer + buffer->start;
|
||||||
|
regs.r[3] = window->x * 2;
|
||||||
|
regs.r[4] = window->y * 2;
|
||||||
|
regs.r[5] = 0x50;
|
||||||
|
regs.r[6] = 0;
|
||||||
|
regs.r[7] = 0;
|
||||||
|
_kernel_swi(OS_SpriteOp, ®s, ®s);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
void SDL_RISCOS_DestroyWindowFramebuffer(_THIS, SDL_Window * window)
|
||||||
|
{
|
||||||
|
sprite_area *buffer = (sprite_area *) SDL_SetWindowData(window, DUMMY_SURFACE, NULL);
|
||||||
|
SDL_free(buffer);
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* SDL_VIDEO_DRIVER_RISCOS */
|
||||||
|
|
||||||
|
/* vi: set ts=4 sw=4 expandtab: */
|
||||||
|
|
@ -0,0 +1,33 @@
|
||||||
|
/*
|
||||||
|
Simple DirectMedia Layer
|
||||||
|
Copyright (C) 1997-2018 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_riscosframebuffer_c_h_
|
||||||
|
#define SDL_riscosframebuffer_c_h_
|
||||||
|
|
||||||
|
#include "../../SDL_internal.h"
|
||||||
|
|
||||||
|
extern int SDL_RISCOS_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch);
|
||||||
|
extern int SDL_RISCOS_UpdateWindowFramebuffer(_THIS, SDL_Window * window, const SDL_Rect * rects, int numrects);
|
||||||
|
extern void SDL_RISCOS_DestroyWindowFramebuffer(_THIS, SDL_Window * window);
|
||||||
|
|
||||||
|
#endif /* SDL_riscosframebuffer_c_h_ */
|
||||||
|
|
||||||
|
/* vi: set ts=4 sw=4 expandtab: */
|
||||||
|
|
@ -0,0 +1,68 @@
|
||||||
|
/*
|
||||||
|
Simple DirectMedia Layer
|
||||||
|
Copyright (C) 1997-2018 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.
|
||||||
|
*/
|
||||||
|
#include "../../SDL_internal.h"
|
||||||
|
|
||||||
|
#if SDL_VIDEO_DRIVER_RISCOS
|
||||||
|
|
||||||
|
#include "SDL_messagebox.h"
|
||||||
|
#include "SDL_riscosmessagebox.h"
|
||||||
|
|
||||||
|
#include <kernel.h>
|
||||||
|
#include <swis.h>
|
||||||
|
|
||||||
|
int
|
||||||
|
RISCOS_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
|
||||||
|
{
|
||||||
|
_kernel_swi_regs regs;
|
||||||
|
_kernel_oserror error;
|
||||||
|
char buttonstring[1024];
|
||||||
|
int i;
|
||||||
|
|
||||||
|
error.errnum = 0;
|
||||||
|
SDL_strlcpy(error.errmess, messageboxdata->message, 252);
|
||||||
|
regs.r[0] = (unsigned int)&error;
|
||||||
|
|
||||||
|
regs.r[1] = (1 << 8) | (1 << 4);
|
||||||
|
if (messageboxdata->flags == SDL_MESSAGEBOX_INFORMATION)
|
||||||
|
regs.r[1] |= (1 << 9);
|
||||||
|
else if (messageboxdata->flags == SDL_MESSAGEBOX_WARNING)
|
||||||
|
regs.r[1] |= (2 << 9);
|
||||||
|
regs.r[2] = (unsigned int)messageboxdata->title;
|
||||||
|
regs.r[3] = 0;
|
||||||
|
regs.r[4] = 0;
|
||||||
|
|
||||||
|
SDL_strlcpy(buttonstring, "" , 1024);
|
||||||
|
for (i = 0; i < messageboxdata->numbuttons; i++) {
|
||||||
|
SDL_strlcat(buttonstring, messageboxdata->buttons[i].text, 1024);
|
||||||
|
if (i + 1 < messageboxdata->numbuttons)
|
||||||
|
SDL_strlcat(buttonstring, ",", 1024);
|
||||||
|
}
|
||||||
|
regs.r[5] = (unsigned int)buttonstring;
|
||||||
|
|
||||||
|
_kernel_swi(Wimp_ReportError, ®s, ®s);
|
||||||
|
|
||||||
|
*buttonid = (regs.r[1] == 0) ? -1 : messageboxdata->buttons[regs.r[1] - 3].buttonid;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* SDL_VIDEO_DRIVER_RISCOS */
|
||||||
|
|
||||||
|
/* vi: set ts=4 sw=4 expandtab: */
|
||||||
|
|
@ -0,0 +1,29 @@
|
||||||
|
/*
|
||||||
|
Simple DirectMedia Layer
|
||||||
|
Copyright (C) 1997-2018 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.
|
||||||
|
*/
|
||||||
|
#include "../../SDL_internal.h"
|
||||||
|
|
||||||
|
#if SDL_VIDEO_DRIVER_RISCOS
|
||||||
|
|
||||||
|
extern int RISCOS_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid);
|
||||||
|
|
||||||
|
#endif /* SDL_VIDEO_DRIVER_RISCOS */
|
||||||
|
|
||||||
|
/* vi: set ts=4 sw=4 expandtab: */
|
||||||
|
|
@ -0,0 +1,251 @@
|
||||||
|
/*
|
||||||
|
Simple DirectMedia Layer
|
||||||
|
Copyright (C) 1997-2018 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.
|
||||||
|
*/
|
||||||
|
#include "../../SDL_internal.h"
|
||||||
|
|
||||||
|
#if SDL_VIDEO_DRIVER_RISCOS
|
||||||
|
|
||||||
|
/* Dummy SDL video driver implementation; this is just enough to make an
|
||||||
|
* SDL-based application THINK it's got a working video driver, for
|
||||||
|
* applications that call SDL_Init(SDL_INIT_VIDEO) when they don't need it,
|
||||||
|
* and also for use as a collection of stubs when porting SDL to a new
|
||||||
|
* platform for which you haven't yet written a valid video driver.
|
||||||
|
*
|
||||||
|
* This is also a great way to determine bottlenecks: if you think that SDL
|
||||||
|
* is a performance problem for a given platform, enable this driver, and
|
||||||
|
* then see if your application runs faster without video overhead.
|
||||||
|
*
|
||||||
|
* Initial work by Ryan C. Gordon (icculus@icculus.org). A good portion
|
||||||
|
* of this was cut-and-pasted from Stephane Peter's work in the AAlib
|
||||||
|
* SDL video driver. Renamed to "DUMMY" by Sam Lantinga.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "SDL_version.h"
|
||||||
|
#include "SDL_video.h"
|
||||||
|
#include "SDL_mouse.h"
|
||||||
|
#include "SDL_syswm.h"
|
||||||
|
#include "../SDL_sysvideo.h"
|
||||||
|
#include "../SDL_pixels_c.h"
|
||||||
|
#include "../../events/SDL_events_c.h"
|
||||||
|
|
||||||
|
#include "SDL_riscosvideo.h"
|
||||||
|
#include "SDL_riscosevents_c.h"
|
||||||
|
#include "SDL_riscosframebuffer_c.h"
|
||||||
|
|
||||||
|
#include <kernel.h>
|
||||||
|
#include <swis.h>
|
||||||
|
|
||||||
|
#define RISCOSVID_DRIVER_NAME "riscos"
|
||||||
|
|
||||||
|
/* Initialization/Query functions */
|
||||||
|
static int RISCOS_VideoInit(_THIS);
|
||||||
|
static int RISCOS_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
|
||||||
|
static void RISCOS_VideoQuit(_THIS);
|
||||||
|
SDL_bool RISCOS_GetWindowWMInfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info);
|
||||||
|
|
||||||
|
/* RISC OS driver bootstrap functions */
|
||||||
|
|
||||||
|
static void
|
||||||
|
RISCOS_DeleteDevice(SDL_VideoDevice * device)
|
||||||
|
{
|
||||||
|
SDL_free(device);
|
||||||
|
}
|
||||||
|
|
||||||
|
static SDL_VideoDevice *
|
||||||
|
RISCOS_CreateDevice(int devindex)
|
||||||
|
{
|
||||||
|
SDL_VideoDevice *device;
|
||||||
|
|
||||||
|
/* Initialize all variables that we clean on shutdown */
|
||||||
|
device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
|
||||||
|
if (!device) {
|
||||||
|
SDL_OutOfMemory();
|
||||||
|
return (0);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Set the function pointers */
|
||||||
|
device->VideoInit = RISCOS_VideoInit;
|
||||||
|
device->VideoQuit = RISCOS_VideoQuit;
|
||||||
|
device->SetDisplayMode = RISCOS_SetDisplayMode;
|
||||||
|
device->PumpEvents = RISCOS_PumpEvents;
|
||||||
|
|
||||||
|
device->GetWindowWMInfo = RISCOS_GetWindowWMInfo;
|
||||||
|
|
||||||
|
device->CreateWindowFramebuffer = SDL_RISCOS_CreateWindowFramebuffer;
|
||||||
|
device->UpdateWindowFramebuffer = SDL_RISCOS_UpdateWindowFramebuffer;
|
||||||
|
device->DestroyWindowFramebuffer = SDL_RISCOS_DestroyWindowFramebuffer;
|
||||||
|
|
||||||
|
device->free = RISCOS_DeleteDevice;
|
||||||
|
|
||||||
|
return device;
|
||||||
|
}
|
||||||
|
|
||||||
|
VideoBootStrap RISCOS_bootstrap = {
|
||||||
|
RISCOSVID_DRIVER_NAME, "SDL RISC OS video driver",
|
||||||
|
RISCOS_CreateDevice
|
||||||
|
};
|
||||||
|
|
||||||
|
enum {
|
||||||
|
MODE_FLAG_565 = 1 << 7,
|
||||||
|
|
||||||
|
MODE_FLAG_COLOUR_SPACE = 0xF << 12,
|
||||||
|
|
||||||
|
MODE_FLAG_TBGR = 0,
|
||||||
|
MODE_FLAG_TRGB = 1 << 14,
|
||||||
|
MODE_FLAG_ABGR = 1 << 15,
|
||||||
|
MODE_FLAG_ARGB = MODE_FLAG_TRGB | MODE_FLAG_ABGR
|
||||||
|
};
|
||||||
|
|
||||||
|
#define MODE_350(type, xdpi, ydpi) \
|
||||||
|
(1 | (xdpi << 1) | (ydpi << 14) | (type << 27))
|
||||||
|
#define MODE_521(type, xeig, yeig, flags) \
|
||||||
|
(0x78000001 | (xeig << 4) | (yeig << 6) | (flags & 0xFF00) | (type << 20))
|
||||||
|
|
||||||
|
static const struct {
|
||||||
|
SDL_PixelFormatEnum pixel_format;
|
||||||
|
int modeflags, ncolour, log2bpp, sprite_type;
|
||||||
|
} mode_to_pixelformat[] = {
|
||||||
|
{ SDL_PIXELFORMAT_INDEX1LSB, 0, 1, 0, 1 },
|
||||||
|
/* { SDL_PIXELFORMAT_INDEX2LSB, 0, 3, 1, 2 }, */
|
||||||
|
{ SDL_PIXELFORMAT_INDEX4LSB, 0, 15, 2, 3 },
|
||||||
|
{ SDL_PIXELFORMAT_INDEX8, MODE_FLAG_565, 255, 3, 4 },
|
||||||
|
{ SDL_PIXELFORMAT_BGR555, MODE_FLAG_TBGR, 65535, 4, 5 },
|
||||||
|
{ SDL_PIXELFORMAT_RGB555, MODE_FLAG_TRGB, 65535, 4, 5 },
|
||||||
|
{ SDL_PIXELFORMAT_ABGR1555, MODE_FLAG_ABGR, 65535, 4, 5 },
|
||||||
|
{ SDL_PIXELFORMAT_ARGB1555, MODE_FLAG_ARGB, 65535, 4, 5 },
|
||||||
|
{ SDL_PIXELFORMAT_BGR444, MODE_FLAG_TBGR, 4095, 4, 16 },
|
||||||
|
{ SDL_PIXELFORMAT_RGB444, MODE_FLAG_TRGB, 4095, 4, 16 },
|
||||||
|
{ SDL_PIXELFORMAT_ABGR4444, MODE_FLAG_ABGR, 4095, 4, 16 },
|
||||||
|
{ SDL_PIXELFORMAT_ARGB4444, MODE_FLAG_ARGB, 4095, 4, 16 },
|
||||||
|
{ SDL_PIXELFORMAT_BGR565, MODE_FLAG_TBGR | MODE_FLAG_565, 65535, 4, 10 },
|
||||||
|
{ SDL_PIXELFORMAT_RGB565, MODE_FLAG_TRGB | MODE_FLAG_565, 65535, 4, 10 },
|
||||||
|
{ SDL_PIXELFORMAT_BGR24, MODE_FLAG_TBGR, 16777215, 6, 8 },
|
||||||
|
{ SDL_PIXELFORMAT_RGB24, MODE_FLAG_TRGB, 16777215, 6, 8 },
|
||||||
|
{ SDL_PIXELFORMAT_BGR888, MODE_FLAG_TBGR, -1, 5, 6 },
|
||||||
|
{ SDL_PIXELFORMAT_RGB888, MODE_FLAG_TRGB, -1, 5, 6 },
|
||||||
|
{ SDL_PIXELFORMAT_ABGR8888, MODE_FLAG_ABGR, -1, 5, 6 },
|
||||||
|
{ SDL_PIXELFORMAT_ARGB8888, MODE_FLAG_ARGB, -1, 5, 6 }
|
||||||
|
};
|
||||||
|
|
||||||
|
static int ReadModeVariable(int mode, int variable) {
|
||||||
|
_kernel_swi_regs regs;
|
||||||
|
regs.r[0] = mode;
|
||||||
|
regs.r[1] = variable;
|
||||||
|
_kernel_swi(OS_ReadModeVariable, ®s, ®s);
|
||||||
|
return regs.r[2];
|
||||||
|
}
|
||||||
|
|
||||||
|
SDL_PixelFormatEnum RISCOS_ModeToPixelFormat(int *mode) {
|
||||||
|
int i, log2bpp, ncolour, modeflags;
|
||||||
|
log2bpp = ReadModeVariable((int)mode, 9);
|
||||||
|
ncolour = ReadModeVariable((int)mode, 3);
|
||||||
|
modeflags = ReadModeVariable((int)mode, 0);
|
||||||
|
|
||||||
|
for (i = 0; i < SDL_arraysize(mode_to_pixelformat); i++) {
|
||||||
|
if (log2bpp == mode_to_pixelformat[i].log2bpp &&
|
||||||
|
(ncolour == mode_to_pixelformat[i].ncolour || ncolour == 0) &&
|
||||||
|
(modeflags & (MODE_FLAG_565 | MODE_FLAG_COLOUR_SPACE)) == mode_to_pixelformat[i].modeflags) {
|
||||||
|
return mode_to_pixelformat[i].pixel_format;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return SDL_PIXELFORMAT_UNKNOWN;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void *copy_mode_block(int *storeBlock)
|
||||||
|
{
|
||||||
|
int *outBlock;
|
||||||
|
int blockSize = (storeBlock[0] == 2) ? 7 : 5;
|
||||||
|
while(storeBlock[blockSize] != -1) {
|
||||||
|
blockSize += 2;
|
||||||
|
}
|
||||||
|
blockSize++;
|
||||||
|
|
||||||
|
outBlock = SDL_calloc(sizeof(int), blockSize);
|
||||||
|
SDL_memcpy(outBlock, storeBlock, sizeof(int) * blockSize);
|
||||||
|
return outBlock;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
RISCOS_VideoInit(_THIS)
|
||||||
|
{
|
||||||
|
SDL_DisplayMode mode;
|
||||||
|
int *current_mode;
|
||||||
|
_kernel_swi_regs regs;
|
||||||
|
_kernel_oserror *error;
|
||||||
|
|
||||||
|
regs.r[0] = 1;
|
||||||
|
error = _kernel_swi(OS_ScreenMode, ®s, ®s);
|
||||||
|
if (error != NULL) {
|
||||||
|
SDL_SetError("Unable to retrieve the current screen mode: %s (%i)", error->errmess, error->errnum);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
current_mode = (int *)regs.r[1];
|
||||||
|
|
||||||
|
/* Use a fake 32-bpp desktop mode */
|
||||||
|
mode.w = current_mode[1];
|
||||||
|
mode.h = current_mode[2];
|
||||||
|
if ((current_mode[0] & 0x7F) == 1) {
|
||||||
|
mode.format = RISCOS_ModeToPixelFormat(current_mode);
|
||||||
|
mode.refresh_rate = current_mode[4];
|
||||||
|
} else if ((current_mode[0] & 0x7F) == 3) {
|
||||||
|
mode.format = RISCOS_ModeToPixelFormat(current_mode);
|
||||||
|
mode.refresh_rate = current_mode[6];
|
||||||
|
} else {
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
mode.driverdata = copy_mode_block(current_mode);
|
||||||
|
|
||||||
|
if (SDL_AddBasicVideoDisplay(&mode) < 0) {
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
SDL_AddDisplayMode(&_this->displays[0], &mode);
|
||||||
|
|
||||||
|
/* We're done! */
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
RISCOS_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
|
||||||
|
{
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
RISCOS_VideoQuit(_THIS)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
SDL_bool RISCOS_GetWindowWMInfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info) {
|
||||||
|
if (info->version.major == SDL_MAJOR_VERSION &&
|
||||||
|
info->version.minor == SDL_MINOR_VERSION) {
|
||||||
|
info->subsystem = SDL_SYSWM_RISCOS;
|
||||||
|
return SDL_TRUE;
|
||||||
|
} else {
|
||||||
|
SDL_SetError("Application not compiled with SDL %d.%d",
|
||||||
|
SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
|
||||||
|
return SDL_FALSE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* SDL_VIDEO_DRIVER_RISCOS */
|
||||||
|
|
||||||
|
/* vi: set ts=4 sw=4 expandtab: */
|
||||||
|
|
@ -0,0 +1,30 @@
|
||||||
|
/*
|
||||||
|
Simple DirectMedia Layer
|
||||||
|
Copyright (C) 1997-2018 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.
|
||||||
|
*/
|
||||||
|
#include "../../SDL_internal.h"
|
||||||
|
|
||||||
|
#ifndef SDL_riscosvideo_h_
|
||||||
|
#define SDL_riscosvideo_h_
|
||||||
|
|
||||||
|
#include "../SDL_sysvideo.h"
|
||||||
|
|
||||||
|
#endif /* SDL_riscosvideo_h_ */
|
||||||
|
|
||||||
|
/* vi: set ts=4 sw=4 expandtab: */
|
||||||
Loading…
Reference in New Issue