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Diffstat (limited to 'distrib/sdl-1.2.12/src/video/riscos/SDL_riscosvideo.c')
-rw-r--r--distrib/sdl-1.2.12/src/video/riscos/SDL_riscosvideo.c316
1 files changed, 0 insertions, 316 deletions
diff --git a/distrib/sdl-1.2.12/src/video/riscos/SDL_riscosvideo.c b/distrib/sdl-1.2.12/src/video/riscos/SDL_riscosvideo.c
deleted file mode 100644
index 6307fea..0000000
--- a/distrib/sdl-1.2.12/src/video/riscos/SDL_riscosvideo.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2004 Sam Lantinga
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- Sam Lantinga
- slouken@libsdl.org
-*/
-#include "SDL_config.h"
-
-/*
- File added by Alan Buckley (alan_baa@hotmail.com) for RISC OS compatability
- 23 March 2003
-
- Implements RISC OS display device management.
- Routines for full screen and wimp modes are split
- into other source files.
-*/
-
-#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_riscostask.h"
-#include "SDL_riscosvideo.h"
-#include "SDL_riscosevents_c.h"
-#include "SDL_riscosmouse_c.h"
-
-#include "kernel.h"
-#include "swis.h"
-
-#define RISCOSVID_DRIVER_NAME "riscos"
-
-/* Initialization/Query functions */
-static int RISCOS_VideoInit(_THIS, SDL_PixelFormat *vformat);
-static void RISCOS_VideoQuit(_THIS);
-
-static SDL_Rect **RISCOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
-static SDL_Surface *RISCOS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
-
-int RISCOS_GetWmInfo(_THIS, SDL_SysWMinfo *info);
-
-int RISCOS_ToggleFullScreen(_THIS, int fullscreen);
-/* Mouse checking */
-void RISCOS_CheckMouseMode(_THIS);
-extern SDL_GrabMode RISCOS_GrabInput(_THIS, SDL_GrabMode mode);
-
-/* Fullscreen mode functions */
-extern SDL_Surface *FULLSCREEN_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
-extern void FULLSCREEN_BuildModeList(_THIS);
-extern void FULLSCREEN_SetDeviceMode(_THIS);
-extern int FULLSCREEN_ToggleFromWimp(_THIS);
-
-/* Wimp mode functions */
-extern SDL_Surface *WIMP_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
-extern void WIMP_DeleteWindow(_THIS);
-extern int WIMP_ToggleFromFullScreen(_THIS);
-
-/* Hardware surface functions - common to WIMP and FULLSCREEN */
-static int RISCOS_AllocHWSurface(_THIS, SDL_Surface *surface);
-static int RISCOS_LockHWSurface(_THIS, SDL_Surface *surface);
-static void RISCOS_UnlockHWSurface(_THIS, SDL_Surface *surface);
-static void RISCOS_FreeHWSurface(_THIS, SDL_Surface *surface);
-
-/* RISC OS driver bootstrap functions */
-
-static int RISCOS_Available(void)
-{
- return(1);
-}
-
-static void RISCOS_DeleteDevice(SDL_VideoDevice *device)
-{
- SDL_free(device->hidden);
- 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_malloc(sizeof(SDL_VideoDevice));
- if ( device ) {
- SDL_memset(device, 0, (sizeof *device));
- device->hidden = (struct SDL_PrivateVideoData *)
- SDL_malloc((sizeof *device->hidden));
- }
- if ( (device == NULL) || (device->hidden == NULL) ) {
- SDL_OutOfMemory();
- if ( device ) {
- SDL_free(device);
- }
- return(0);
- }
- SDL_memset(device->hidden, 0, (sizeof *device->hidden));
-
- /* Set the function pointers */
- device->VideoInit = RISCOS_VideoInit;
- device->VideoQuit = RISCOS_VideoQuit;
-
- device->ListModes = RISCOS_ListModes;
- device->SetVideoMode = RISCOS_SetVideoMode;
- device->CreateYUVOverlay = NULL;
- device->AllocHWSurface = RISCOS_AllocHWSurface;
- device->CheckHWBlit = NULL;
- device->FillHWRect = NULL;
- device->SetHWColorKey = NULL;
- device->SetHWAlpha = NULL;
- device->LockHWSurface = RISCOS_LockHWSurface;
- device->UnlockHWSurface = RISCOS_UnlockHWSurface;
- device->FreeHWSurface = RISCOS_FreeHWSurface;
-
- device->FreeWMCursor = RISCOS_FreeWMCursor;
- device->CreateWMCursor = RISCOS_CreateWMCursor;
- device->CheckMouseMode = RISCOS_CheckMouseMode;
- device->GrabInput = RISCOS_GrabInput;
-
- device->InitOSKeymap = RISCOS_InitOSKeymap;
-
- device->GetWMInfo = RISCOS_GetWmInfo;
-
- device->free = RISCOS_DeleteDevice;
-
-/* Can't get Toggle screen to work if program starts up in Full screen mode so
- disable it here and re-enable it when a wimp screen is chosen */
- device->ToggleFullScreen = NULL; /*RISCOS_ToggleFullScreen;*/
-
- /* Set other entries for fullscreen mode */
- FULLSCREEN_SetDeviceMode(device);
-
- /* Mouse pointer needs to use the WIMP ShowCursor version so
- that it doesn't modify the pointer until the SDL Window is
- entered or the application goes full screen */
- device->ShowWMCursor = WIMP_ShowWMCursor;
-
- return device;
-}
-
-VideoBootStrap RISCOS_bootstrap = {
- RISCOSVID_DRIVER_NAME, "RISC OS video driver",
- RISCOS_Available, RISCOS_CreateDevice
-};
-
-
-int RISCOS_VideoInit(_THIS, SDL_PixelFormat *vformat)
-{
- _kernel_swi_regs regs;
- int vars[4], vals[3];
-
- if (RISCOS_InitTask() == 0)
- {
- SDL_SetError("Unable to start task");
- return 0;
- }
-
- vars[0] = 9; /* Log base 2 bpp */
- vars[1] = 11; /* XWndLimit - num x pixels -1 */
- vars[2] = 12; /* YWndLimit - num y pixels -1 */
- vars[3] = -1; /* Terminate list */
- regs.r[0] = (int)vars;
- regs.r[1] = (int)vals;
-
- _kernel_swi(OS_ReadVduVariables, &regs, &regs);
- vformat->BitsPerPixel = (1 << vals[0]);
-
- /* Determine the current screen size */
- this->info.current_w = vals[1] + 1;
- this->info.current_h = vals[2] + 1;
-
- /* Minimum bpp for SDL is 8 */
- if (vformat->BitsPerPixel < 8) vformat->BitsPerPixel = 8;
-
-
- switch (vformat->BitsPerPixel)
- {
- case 15:
- case 16:
- vformat->Bmask = 0x00007c00;
- vformat->Gmask = 0x000003e0;
- vformat->Rmask = 0x0000001f;
- vformat->BitsPerPixel = 16; /* SDL wants actual number of bits used */
- vformat->BytesPerPixel = 2;
- break;
-
- case 24:
- case 32:
- vformat->Bmask = 0x00ff0000;
- vformat->Gmask = 0x0000ff00;
- vformat->Rmask = 0x000000ff;
- vformat->BytesPerPixel = 4;
- break;
-
- default:
- vformat->Bmask = 0;
- vformat->Gmask = 0;
- vformat->Rmask = 0;
- vformat->BytesPerPixel = 1;
- break;
- }
-
- /* Fill in some window manager capabilities */
- this->info.wm_available = 1;
-
- /* We're done! */
- return(0);
-}
-
-/* Note: If we are terminated, this could be called in the middle of
- another SDL video routine -- notably UpdateRects.
-*/
-void RISCOS_VideoQuit(_THIS)
-{
- RISCOS_ExitTask();
-
- if (this->hidden->alloc_bank) SDL_free(this->hidden->alloc_bank);
- this->hidden->alloc_bank = 0;
-}
-
-
-SDL_Rect **RISCOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
-{
- if (flags & SDL_FULLSCREEN)
- {
- /* Build mode list when first required. */
- if (SDL_nummodes[0] == 0) FULLSCREEN_BuildModeList(this);
-
- return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]);
- } else
- return (SDL_Rect **)-1;
-}
-
-
-/* Set up video mode */
-SDL_Surface *RISCOS_SetVideoMode(_THIS, SDL_Surface *current,
- int width, int height, int bpp, Uint32 flags)
-{
- if (flags & SDL_FULLSCREEN)
- {
- RISCOS_StoreWimpMode();
- /* Dump wimp window on switch to full screen */
- if (this->hidden->window_handle) WIMP_DeleteWindow(this);
-
- return FULLSCREEN_SetVideoMode(this, current, width, height, bpp, flags);
- } else
- {
- RISCOS_RestoreWimpMode();
- return WIMP_SetVideoMode(this, current, width, height, bpp, flags);
- }
-}
-
-
-/* We don't actually allow hardware surfaces other than the main one */
-static int RISCOS_AllocHWSurface(_THIS, SDL_Surface *surface)
-{
- return(-1);
-}
-static void RISCOS_FreeHWSurface(_THIS, SDL_Surface *surface)
-{
- return;
-}
-
-/* We need to wait for vertical retrace on page flipped displays */
-static int RISCOS_LockHWSurface(_THIS, SDL_Surface *surface)
-{
- return(0);
-}
-
-static void RISCOS_UnlockHWSurface(_THIS, SDL_Surface *surface)
-{
- return;
-}
-
-
-int RISCOS_GetWmInfo(_THIS, SDL_SysWMinfo *info)
-{
- SDL_VERSION(&(info->version));
- info->wimpVersion = RISCOS_GetWimpVersion();
- info->taskHandle = RISCOS_GetTaskHandle();
- info->window = this->hidden->window_handle;
-
- return 1;
-}
-/* Toggle full screen mode.
- Returns 1 if successful otherwise 0
-*/
-
-int RISCOS_ToggleFullScreen(_THIS, int fullscreen)
-{
- if (fullscreen)
- {
- return FULLSCREEN_ToggleFromWimp(this);
- } else
- {
- return WIMP_ToggleFromFullScreen(this);
- }
-
- return 0;
-}
-
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