From d8239786b306ffda6d5d73753d01f0ad3358e1a0 Mon Sep 17 00:00:00 2001 From: Jesse Hall Date: Tue, 17 Jul 2012 16:58:55 -0700 Subject: Delete sdl-1.2.12 Change-Id: Ia96f80df04035ae84be3af468c945f2cec14f99c --- .../sdl-1.2.12/src/video/riscos/SDL_riscossprite.c | 265 --------------------- 1 file changed, 265 deletions(-) delete mode 100644 distrib/sdl-1.2.12/src/video/riscos/SDL_riscossprite.c (limited to 'distrib/sdl-1.2.12/src/video/riscos/SDL_riscossprite.c') diff --git a/distrib/sdl-1.2.12/src/video/riscos/SDL_riscossprite.c b/distrib/sdl-1.2.12/src/video/riscos/SDL_riscossprite.c deleted file mode 100644 index 0f267ff..0000000 --- a/distrib/sdl-1.2.12/src/video/riscos/SDL_riscossprite.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2004 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with this library; if not, write to the Free - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* - File added by Alan Buckley (alan_baa@hotmail.com) for RISC OS compatability - 27 March 2003 - - Implements Sprite plotting code for wimp display.window -*/ - -#include "kernel.h" -#include "swis.h" - -#include "SDL_stdinc.h" -#include "SDL_riscosvideo.h" - -extern void WIMP_ReadModeInfo(_THIS); - -void WIMP_PaletteChanged(_THIS); - - -/* Create sprite buffer for screen */ - -unsigned char *WIMP_CreateBuffer(int width, int height, int bpp) -{ - int size; - char sprite_name[12] = "display"; - unsigned char *buffer; - _kernel_swi_regs regs; - int bytesPerPixel; - int bytesPerRow; - int offsetToSpriteData = 60; - - switch(bpp) - { - case 32: bytesPerPixel = 4; break; - case 16: bytesPerPixel = 2; break; - case 8: - bytesPerPixel = 1; - offsetToSpriteData += 2048; /* Add in size of palette */ - break; - default: - return NULL; - break; - } - - bytesPerRow = bytesPerPixel * width; - - if ((bytesPerRow & 3) != 0) - { - bytesPerRow += 4 - (bytesPerRow & 3); - } - size = bytesPerRow * height; - - buffer = SDL_malloc( (size_t) size + offsetToSpriteData ); - if (!buffer) return NULL; - - /* Initialise a sprite area */ - - *(unsigned int *)buffer = size + offsetToSpriteData; - *(unsigned int *)(buffer + 8) = 16; - - regs.r[0] = 256+9; - regs.r[1] = (unsigned int)buffer; - _kernel_swi(OS_SpriteOp, ®s, ®s); - - regs.r[0] = 256+15; - regs.r[1] = (unsigned int)buffer; - regs.r[2] = (unsigned int)&sprite_name; - regs.r[3] = 0; /* Palette flag: 0 = no palette */ - regs.r[4] = width; - regs.r[5] = height; - if (bpp == 8) - { - /* Use old style mode number */ - regs.r[6] = 28; /* 8bpp 90x90dpi */ - } else - { - regs.r[6] = (((bpp == 16) ? 5 : 6) << 27) /* Type 6 = 32bpp sprite, 5 = 16bpp sprite */ - | (90 << 14) /* Vertical dpi */ - | (90 << 1) /* Horizontal dpi */ - | 1; /* Marker to distinguish between mode selectors and sprite modes */ - } - if (_kernel_swi(OS_SpriteOp, ®s, ®s) == NULL) - { - if (bpp == 8) - { - /* Modify sprite to take into account 256 colour palette */ - int *sprite = (int *)(buffer + 16); - /* Adjust sprite offsets */ - sprite[0] += 2048; - sprite[8] += 2048; - sprite[9] += 2048; - /* Adjust sprite area next free pointer */ - (*(int *)(buffer+12)) += 2048; - - /* Don't need to set up palette as SDL sets up the default - 256 colour palette */ -/* { - int *pal = sprite + 11; - unsigned int j; - unsigned int entry; - for (j = 0; j < 255; j++) - { - entry = (j << 24) | (j << 16) | (j << 8); - *pal++ = entry; - *pal++ = entry; - } - } -*/ - } - } else - { - SDL_free(buffer); - buffer = NULL; - } - - return buffer; -} - - -/* Setup translation buffers for the sprite plotting */ - -void WIMP_SetupPlotInfo(_THIS) -{ - _kernel_swi_regs regs; - int *sprite = ((int *)this->hidden->bank[1])+4; - - regs.r[0] = (unsigned int)this->hidden->bank[1]; - regs.r[1] = (unsigned int)sprite; - regs.r[2] = -1; /* Current mode */ - regs.r[3] = -1; /* Current palette */ - regs.r[4] = 0; /* Get size of buffer */ - regs.r[5] = 1|2|16; /* R1 - pointer to sprite and can use full palette words */ - regs.r[6] = 0; - regs.r[7] = 0; - - if (this->hidden->pixtrans) SDL_free(this->hidden->pixtrans); - this->hidden->pixtrans = 0; - - /* Get the size required for the buffer */ - _kernel_swi(ColourTrans_GenerateTable, ®s, ®s); - if (regs.r[4]) - { - this->hidden->pixtrans = SDL_malloc(regs.r[4]); - - regs.r[4] = (unsigned int)this->hidden->pixtrans; - /* Actually read the buffer */ - _kernel_swi(ColourTrans_GenerateTable, ®s, ®s); - } -} - -/* Plot the sprite in the given context */ -void WIMP_PlotSprite(_THIS, int x, int y) -{ - _kernel_swi_regs regs; - _kernel_oserror *err; - - regs.r[0] = 52 + 512; - regs.r[1] = (unsigned int)this->hidden->bank[1]; - regs.r[2] = (unsigned int)this->hidden->bank[1]+16; - regs.r[3] = x; - regs.r[4] = y; - regs.r[5] = 0|32; /* Overwrite screen and pixtrans contains wide colour entries */ - regs.r[6] = 0; /* No scale factors i.e. 1:1 */ - regs.r[7] = (int)this->hidden->pixtrans; - - if ((err = _kernel_swi(OS_SpriteOp, ®s, ®s)) != 0) - { - int *p = (int *)this->hidden->pixtrans; - printf("OS_SpriteOp failed \n%s\n",err->errmess); - printf("pixtrans %d\n", (int)this->hidden->pixtrans); - printf("%x %x %x\n", p[0], p[1], p[2]); - } -} - - -/* Wimp mode has changes so update colour mapping and pixel sizes - of windows and the sprites they plot */ - -void WIMP_ModeChanged(_THIS) -{ - int oldXeig = this->hidden->xeig; - int oldYeig = this->hidden->yeig; - - WIMP_ReadModeInfo(this); - - if (oldXeig == this->hidden->xeig && oldYeig == this->hidden->yeig) - { - /* Only need to update the palette */ - WIMP_PaletteChanged(this); - } else - { - _kernel_swi_regs regs; - int window_state[9]; - int extent[4]; - int currWidth, currHeight; - int newWidth, newHeight; - - /* Need to resize windows and update the palette */ - WIMP_SetupPlotInfo(this); - - - window_state[0] = this->hidden->window_handle; - regs.r[1] = (unsigned int)window_state; - _kernel_swi(Wimp_GetWindowState, ®s, ®s); - - currWidth = window_state[3] - window_state[1]; - currHeight = window_state[4] - window_state[2]; - - newWidth = (currWidth >> oldXeig) << this->hidden->xeig; - newHeight = (currHeight >> oldYeig) << this->hidden->yeig; - /* Need to avoid extent getting too small for visible part - of window */ - extent[0] = 0; - if (currHeight <= newHeight) - { - extent[1] = -newHeight; - } else - { - extent[1] = -currHeight; - } - if (currWidth <= newWidth) - { - extent[2] = newWidth; - } else - { - extent[2] = currWidth; - } - extent[3] = 0; - - regs.r[0] = this->hidden->window_handle; - regs.r[1] = (int)extent; - _kernel_swi(Wimp_SetExtent, ®s, ®s); - - /*TODO: May need to set flag to resize window on next open */ - } -} - -/* Palette has changed so update palettes used for windows sprites */ - -void WIMP_PaletteChanged(_THIS) -{ - WIMP_SetupPlotInfo(this); -} -- cgit v1.1