sdl-ios-xcode: src/video/riscos/SDL_riscosFullScreenVideo.c annotate

annotate src/video/riscos/SDL_riscosFullScreenVideo.c @ 803:355632dca928

Updated SDL HTML documentation

author	Sam Lantinga <slouken@libsdl.org>
date	Tue, 10 Feb 2004 15:15:40 +0000
parents	b8d311d90021
children	f72cc0c7305f

rev	line source
630 550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
769 b8d311d90021 Updated copyright information for 2004 (Happy New Year!) Sam Lantinga <slouken@libsdl.org> parents: 630 diff changeset	3 Copyright (C) 1997-2004 Sam Lantinga
630 550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Library General Public
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2 of the License, or (at your option) any later version.
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Library General Public License for more details.
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Library General Public
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@devolution.com
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23 /*
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 File added by Alan Buckley (alan_baa@hotmail.com) for RISCOS compatability
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25 27 March 2003
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 Implements RISCOS full screen display.
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30 #include <stdio.h>
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 #include <stdlib.h>
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 #include <string.h>
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 #include "SDL.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35 #include "SDL_error.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 #include "SDL_video.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 #include "SDL_mouse.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 #include "SDL_sysvideo.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39 #include "SDL_pixels_c.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 #include "SDL_events_c.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 #include "SDL_riscostask.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 #include "SDL_riscosvideo.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 #include "SDL_riscosevents_c.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 #include "SDL_riscosmouse_c.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 #include "kernel.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48 #include "swis.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 #include "unixlib/os.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 #include "unixlib/local.h"
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 /* Private structures */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 typedef struct tagScreenModeBlock
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 int flags; // mode selector flags, bit 0 = 1, bit 1-7 format specifier, 8-31 reserved
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 int x_pixels;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 int y_pixels;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 int pixel_depth; // 2^pixel_depth = bpp,i.e. 0 = 1, 1 = 2, 4 = 16, 5 = 32
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 int frame_rate; // -1 use first match
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 int mode_vars[5]; // array of index, value pairs terminated by -1
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 } SCREENMODEBLOCK;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 /* Helper functions */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65 void FULLSCREEN_SetDeviceMode(_THIS);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66 int FULLSCREEN_SetMode(int width, int height, int bpp);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 void FULLSCREEN_SetupBanks(_THIS);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 /* SDL video device functions for fullscreen mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 static int FULLSCREEN_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 static int FULLSCREEN_FlipHWSurface(_THIS, SDL_Surface *surface);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 static void FULLSCREEN_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 void FULLSCREEN_SetWMCaption(_THIS, const char title, const char icon);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 extern int RISCOS_GetWmInfo(_THIS, SDL_SysWMinfo *info);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 /* Local helper functions */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 static int cmpmodes(const void va, const void vb);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 static int FULLSCREEN_AddMode(_THIS, int bpp, int w, int h);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 void FULLSCREEN_SetWriteBank(int bank);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 void FULLSCREEN_SetDisplayBank(int bank);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 static void FULLSCREEN_DisableEscape();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 static void FULLSCREEN_EnableEscape();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 void FULLSCREEN_BuildModeList(_THIS);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 /* Following variable is set up in riskosTask.c */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 extern int riscos_backbuffer; /* Create a back buffer in system memory for full screen mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 SDL_Surface FULLSCREEN_SetVideoMode(_THIS, SDL_Surface current,
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 int width, int height, int bpp, Uint32 flags)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 Uint32 Rmask = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 Uint32 Gmask = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 Uint32 Bmask = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 int create_back_buffer = riscos_backbuffer;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 switch(bpp)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 case 8:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 flags \|= SDL_HWPALETTE;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 case 15:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 case 16:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 Bmask = 0x00007c00;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 Gmask = 0x000003e0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 Rmask = 0x0000001f;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 case 32:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 Bmask = 0x00ff0000;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 Gmask = 0x0000ff00;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 Rmask = 0x000000ff;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 default:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 SDL_SetError("Pixel depth not supported");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 return NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 if (FULLSCREEN_SetMode(width, height, bpp) == 0)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 SDL_SetError("Couldn't set requested mode");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 return (NULL);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 /* printf("Setting mode %dx%d\n", width, height); */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 /* Allocate the new pixel format for the screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 if ( ! SDL_ReallocFormat(current, bpp, Rmask, Gmask, Bmask, 0) ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 RISCOS_RestoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 SDL_SetError("Couldn't allocate new pixel format for requested mode");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 return(NULL);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 /* Set up the new mode framebuffer */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 current->w = width;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 this->hidden->height = current->h = height;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 regs.r[0] = -1; /* -1 for current screen mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 /* Get screen width in bytes */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 regs.r[1] = 6; // Screen Width in bytes
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 _kernel_swi(OS_ReadModeVariable, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 current->pitch = regs.r[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 if (flags & SDL_DOUBLEBUF)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 regs.r[0] = 2; /* Screen area */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 _kernel_swi(OS_ReadDynamicArea, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 /* Reg 1 has amount of memory currently used for display */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157 regs.r[0] = 2; /* Screen area */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 regs.r[1] = (current->pitch * height * 2) - regs.r[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 if (_kernel_swi(OS_ChangeDynamicArea, &regs, &regs) != NULL)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 /* Can't allocate enough screen memory for double buffer */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 flags &= ~SDL_DOUBLEBUF;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 current->flags = flags \| SDL_FULLSCREEN \| SDL_HWSURFACE \| SDL_PREALLOC;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 /* Need to set display banks here for double buffering */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 if (flags & SDL_DOUBLEBUF)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 FULLSCREEN_SetWriteBank(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 FULLSCREEN_SetDisplayBank(1);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175 create_back_buffer = 0; /* Don't need a back buffer for a double buffered display */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 FULLSCREEN_SetupBanks(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 if (create_back_buffer)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 /* If not double buffered we may need to create a memory
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 ** back buffer to simulate processing on other OS's.
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 ** This is turned on by setting the enviromental variable
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185 ** SDL$<name>$BackBuffer to 1
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 this->hidden->bank[0] = malloc(height * current->pitch);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 if (this->hidden->bank[0] == 0)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 RISCOS_RestoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 SDL_SetError("Couldnt allocate memory for back buffer");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 return (NULL);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 /* Surface updated in programs is now a software surface */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 current->flags &= ~SDL_HWSURFACE;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 /* Store address of allocated screen bank to be freed later */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 if (this->hidden->alloc_bank) free(this->hidden->alloc_bank);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 if (create_back_buffer)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 this->hidden->alloc_bank = this->hidden->bank[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 this->hidden->alloc_bank = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 // Clear both banks to black
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 memset(this->hidden->bank[0], 0, height * current->pitch);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208 memset(this->hidden->bank[1], 0, height * current->pitch);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 this->hidden->current_bank = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 current->pixels = this->hidden->bank[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 /* Reset device functions for the wimp */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 FULLSCREEN_SetDeviceMode(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 /* FULLSCREEN_DisableEscape(); */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218 /* We're done */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219 return(current);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 /* Reset any device functions that have been changed because we have run in WIMP mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223 void FULLSCREEN_SetDeviceMode(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225 if (this->SetColors == FULLSCREEN_SetColors) return; /* Already set up */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 this->SetColors = FULLSCREEN_SetColors;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 this->UpdateRects = FULLSCREEN_UpdateRects;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 this->FlipHWSurface = FULLSCREEN_FlipHWSurface;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232 this->SetCaption = FULLSCREEN_SetWMCaption;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233 this->SetIcon = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 this->IconifyWindow = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236 this->ShowWMCursor = RISCOS_ShowWMCursor;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 this->WarpWMCursor = FULLSCREEN_WarpWMCursor;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 this->PumpEvents = FULLSCREEN_PumpEvents;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 /* Query for the list of available video modes */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 void FULLSCREEN_BuildModeList(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 char *enumInfo = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 char *enum_ptr;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 int *blockInfo;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 int num_modes;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 /* Find out how much space we need */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 regs.r[0] = 2; /* Reason code */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 regs.r[2] = 0; /* Number of modes to skip */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 regs.r[6] = 0; /* pointer to block or 0 for count */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 regs.r[7] = 0; /* Size of block in bytes */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 _kernel_swi(OS_ScreenMode, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 num_modes = -regs.r[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 /* Video memory should be in r[5] */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 this->info.video_mem = regs.r[5]/1024;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 enumInfo = (unsigned char *)malloc(-regs.r[7]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 if (enumInfo == NULL)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 SDL_OutOfMemory();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 return;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 /* Read mode information into block */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 regs.r[2] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 regs.r[6] = (int)enumInfo;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273 regs.r[7] = -regs.r[7];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 _kernel_swi(OS_ScreenMode, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 enum_ptr = enumInfo;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 for (j =0; j < num_modes;j++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280 blockInfo = (int *)enum_ptr;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 if ((blockInfo[1] & 255) == 1) /* We understand this format */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 switch(blockInfo[4])
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 case 3: /* 8 bits per pixel */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 FULLSCREEN_AddMode(this, 8, blockInfo[2], blockInfo[3]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 case 4: /* 15 bits per pixel */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 FULLSCREEN_AddMode(this, 15, blockInfo[2], blockInfo[3]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 case 5: /* 32 bits per pixel */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 FULLSCREEN_AddMode(this, 32, blockInfo[2], blockInfo[3]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 enum_ptr += blockInfo[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 free(enumInfo);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 /* Sort the mode lists */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 for ( j=0; j<NUM_MODELISTS; ++j ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 if ( SDL_nummodes[j] > 0 ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 qsort(SDL_modelist[j], SDL_nummodes[j], sizeof *SDL_modelist[j], cmpmodes);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 static int FULLSCREEN_FlipHWSurface(_THIS, SDL_Surface *surface)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 regs.r[0] = 19;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 /* Wait for Vsync */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 FULLSCREEN_SetDisplayBank(this->hidden->current_bank);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 this->hidden->current_bank ^= 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 FULLSCREEN_SetWriteBank(this->hidden->current_bank);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 surface->pixels = this->hidden->bank[this->hidden->current_bank];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 return(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 static void FULLSCREEN_UpdateRects(_THIS, int numrects, SDL_Rect *rects)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 if (riscos_backbuffer && (this->screen->flags & SDL_DOUBLEBUF) == 0)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 /* If not double buffered copy rectangles to main screen now */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331 char to, from;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 int pitch = this->screen->pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 int row;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 int xmult = this->screen->format->BytesPerPixel;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 for (j = 0; j < numrects; j++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 from = this->hidden->bank[0] + rects->x * xmult + rects->y * pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 to = this->hidden->bank[1] + rects->x * xmult + rects->y * pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339 for (row = 0; row < rects->h; row++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 memcpy(to, from, rects->w * xmult);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 from += pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 to += pitch;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345 rects++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 int FULLSCREEN_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 int palette[256];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 regs.r[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356 regs.r[1] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 regs.r[2] = (int)palette;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 regs.r[3] = 1024;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359 regs.r[4] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 _kernel_swi(ColourTrans_ReadPalette, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 while(ncolors--)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364 palette[firstcolor] = ((colors->b) << 24) \| ((colors->g) << 16) \| ((colors->r) << 8);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 firstcolor++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 colors++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 regs.r[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 regs.r[1] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 regs.r[2] = (int)palette;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 regs.r[3] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 regs.r[4] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 _kernel_swi(ColourTrans_WritePalette, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 return(1);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 static int cmpmodes(const void va, const void vb)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 SDL_Rect a = (SDL_Rect **)va;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 SDL_Rect b = (SDL_Rect **)vb;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384 if(a->w > b->w)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 return -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 return b->h - a->h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 static int FULLSCREEN_AddMode(_THIS, int bpp, int w, int h)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 SDL_Rect *mode;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 int i, index;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 int next_mode;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 /* Check to see if we already have this mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396 if ( bpp < 8 ) { /* Not supported */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 return(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 index = ((bpp+7)/8)-1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 for ( i=0; i<SDL_nummodes[index]; ++i ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401 mode = SDL_modelist[index][i];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 if ( (mode->w == w) && (mode->h == h) ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 return(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 /* Set up the new video mode rectangle */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 mode = (SDL_Rect )malloc(sizeof mode);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 if ( mode == NULL ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 SDL_OutOfMemory();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411 return(-1);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413 mode->x = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414 mode->y = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 mode->w = w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416 mode->h = h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	417
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418 /* Allocate the new list of modes, and fill in the new mode */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 next_mode = SDL_nummodes[index];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 SDL_modelist[index] = (SDL_Rect **)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421 realloc(SDL_modelist[index], (1+next_mode+1)sizeof(SDL_Rect ));
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 if ( SDL_modelist[index] == NULL ) {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 SDL_OutOfMemory();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 SDL_nummodes[index] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425 free(mode);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426 return(-1);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	428 SDL_modelist[index][next_mode] = mode;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429 SDL_modelist[index][next_mode+1] = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430 SDL_nummodes[index]++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432 return(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 void FULLSCREEN_SetWriteBank(int bank)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 regs.r[0] = 112;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439 regs.r[1] = bank+1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 void FULLSCREEN_SetDisplayBank(int bank)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	446 regs.r[0] = 113;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	447 regs.r[1] = bank+1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	448 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452 /** Disable special escape key processing */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453 static void FULLSCREEN_DisableEscape()
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	455 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	456 regs.r[0] = 229;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457 regs.r[1] = 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 regs.r[2] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463 /** Enable special escape key processing */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464 static void FULLSCREEN_EnableEscape()
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 regs.r[0] = 229;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468 regs.r[1] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	469 regs.r[2] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	470 _kernel_swi(OS_Byte, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	474 /** Store caption in case this is called before we create a window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475 void FULLSCREEN_SetWMCaption(_THIS, const char title, const char icon)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477 strncpy(this->hidden->title, title, 255);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478 this->hidden->title[255] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 /* Set screen mode
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	482 *
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	483 * Returns 1 if mode is set ok, otherwise 0
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	484 */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 int FULLSCREEN_SetMode(int width, int height, int bpp)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 SCREENMODEBLOCK smb;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	489 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 smb.flags = 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492 smb.x_pixels = width;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 smb.y_pixels = height;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 smb.mode_vars[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 switch(bpp)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 case 8:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 smb.pixel_depth = 3;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 /* Note: Need to set ModeFlags to 128 and NColour variables to 255 get full 8 bit palette */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 smb.mode_vars[0] = 0; smb.mode_vars[1] = 128; /* Mode flags */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 smb.mode_vars[2] = 3; smb.mode_vars[3] = 255; /* NColour (number of colours -1) */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503 smb.mode_vars[4] = -1; /* End of list */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	504 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506 case 15:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	507 case 16:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	508 smb.pixel_depth = 4;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	509 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	510
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	511 case 32:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512 smb.pixel_depth = 5;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	513 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	514
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 default:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	516 SDL_SetError("Pixel depth not supported");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	517 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	518 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	519 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	520
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	521 smb.frame_rate = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	522
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	523 regs.r[0] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	524 regs.r[1] = (int)&smb;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	525
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	526 if (_kernel_swi(OS_ScreenMode, &regs, &regs) != 0)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	527 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	528 SDL_SetError("Couldn't set requested mode");
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	529 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	532 /* Turn cursor off*/
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	533 _kernel_oswrch(23);_kernel_oswrch(1);_kernel_oswrch(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	534 _kernel_oswrch(0);_kernel_oswrch(0);_kernel_oswrch(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	535 _kernel_oswrch(0);_kernel_oswrch(0);_kernel_oswrch(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	536 _kernel_oswrch(0);_kernel_oswrch(0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	537
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	538 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	539 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	541 /* Get Start addresses for the screen banks */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	542 void FULLSCREEN_SetupBanks(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	543 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	544 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	545 int block[5];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	546 block[0] = 148; /* Write screen start */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	547 block[1] = 149; /* Display screen start */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548 block[2] = 4; /* X eig factor */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	549 block[3] = 5; /* Y eig factor */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	550 block[4] = -1; /* End of list of variables to request */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	552 regs.r[0] = (int)block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	553 regs.r[1] = (int)block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	554 _kernel_swi(OS_ReadVduVariables, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	555
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	556 this->hidden->bank[0] = (void *)block[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	557 this->hidden->bank[1] = (void *)block[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	558 this->hidden->xeig = block[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	559 this->hidden->yeig = block[3];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	560 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	561
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	562 /* Toggle to full screen mode from the WIMP */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	563
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	564 int FULLSCREEN_ToggleFromWimp(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	565 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	566 int width = this->screen->w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567 int height = this->screen->h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 int bpp = this->screen->format->BitsPerPixel;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570 RISCOS_StoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	571 if (FULLSCREEN_SetMode(width, height, bpp))
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	572 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	573 char buffer = this->hidden->alloc_bank; / This is start of sprite data */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	574 /* Support back buffer mode only */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	575 riscos_backbuffer = 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	577 FULLSCREEN_SetupBanks(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	578
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	579 this->hidden->bank[0] = buffer + 60; /* Start of sprite data */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	580 if (bpp == 8) this->hidden->bank[0] += 2048; /* 8bpp sprite have palette first */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	581
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	582 this->hidden->current_bank = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	583 this->screen->pixels = this->hidden->bank[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	584
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	585 /* Copy back buffer to screen memory */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	586 memcpy(this->hidden->bank[1], this->hidden->bank[0], width * height * this->screen->format->BytesPerPixel);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	587
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 FULLSCREEN_SetDeviceMode(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	589 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	590 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	591 RISCOS_RestoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	592
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	593 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!) Sam Lantinga <slouken@libsdl.org> parents: diff changeset	594 }

Mercurial > sdl-ios-xcode

annotate src/video/riscos/SDL_riscosFullScreenVideo.c @ 803:355632dca928