diff options
Diffstat (limited to 'src/radeon_cursor.c')
| -rw-r--r-- | src/radeon_cursor.c | 423 |
1 files changed, 0 insertions, 423 deletions
diff --git a/src/radeon_cursor.c b/src/radeon_cursor.c deleted file mode 100644 index fe0d12b..0000000 --- a/src/radeon_cursor.c +++ /dev/null @@ -1,423 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_cursor.c,v 1.25 2003/08/29 21:07:57 tsi Exp $ */ -/* - * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and - * VA Linux Systems Inc., Fremont, California. - * - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation on the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR - * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -/* - * Authors: - * Kevin E. Martin <martin@xfree86.org> - * Rickard E. Faith <faith@valinux.com> - * - * References: - * - * !!!! FIXME !!!! - * RAGE 128 VR/ RAGE 128 GL Register Reference Manual (Technical - * Reference Manual P/N RRG-G04100-C Rev. 0.04), ATI Technologies: April - * 1999. - * - * RAGE 128 Software Development Manual (Technical Reference Manual P/N - * SDK-G04000 Rev. 0.01), ATI Technologies: June 1999. - * - */ - - /* Driver data structures */ -#include "radeon.h" -#include "radeon_macros.h" -#include "radeon_reg.h" -#include "radeon_mergedfb.h" - - /* X and server generic header files */ -#include "xf86.h" - -/* Mono ARGB cursor colours (premultiplied). */ -static CARD32 mono_cursor_color[] = { - 0x00000000, /* White, fully transparent. */ - 0x00000000, /* Black, fully transparent. */ - 0xffffffff, /* White, fully opaque. */ - 0xff000000, /* Black, fully opaque. */ -}; - -#define CURSOR_WIDTH 64 -#define CURSOR_HEIGHT 64 - -/* - * The cursor bits are always 32bpp. On MSBFirst buses, - * configure byte swapping to swap 32 bit units when writing - * the cursor image. Byte swapping must always be returned - * to its previous value before returning. - */ -#if X_BYTE_ORDER == X_BIG_ENDIAN - -#define CURSOR_SWAPPING_DECL_MMIO unsigned char *RADEONMMIO = info->MMIO; -#define CURSOR_SWAPPING_DECL CARD32 __surface_cntl; -#define CURSOR_SWAPPING_START() \ - OUTREG(RADEON_SURFACE_CNTL, \ - ((__surface_cntl = INREG(RADEON_SURFACE_CNTL)) | \ - RADEON_NONSURF_AP0_SWP_32BPP) & \ - ~RADEON_NONSURF_AP0_SWP_16BPP) -#define CURSOR_SWAPPING_END() (OUTREG(RADEON_SURFACE_CNTL, __surface_cntl)) - -#else - -#define CURSOR_SWAPPING_DECL_MMIO -#define CURSOR_SWAPPING_DECL -#define CURSOR_SWAPPING_START() -#define CURSOR_SWAPPING_END() - -#endif - - -/* Set cursor foreground and background colors */ -static void RADEONSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg) -{ - RADEONInfoPtr info = RADEONPTR(pScrn); - CARD32 *pixels = (CARD32 *)(pointer)(info->FB + info->cursor_start); - int pixel, i; - CURSOR_SWAPPING_DECL_MMIO - CURSOR_SWAPPING_DECL - -#ifdef ARGB_CURSOR - /* Don't recolour cursors set with SetCursorARGB. */ - if (info->cursor_argb) - return; -#endif - - fg |= 0xff000000; - bg |= 0xff000000; - - /* Don't recolour the image if we don't have to. */ - if (fg == info->cursor_fg && bg == info->cursor_bg) - return; - - CURSOR_SWAPPING_START(); - - /* Note: We assume that the pixels are either fully opaque or fully - * transparent, so we won't premultiply them, and we can just - * check for non-zero pixel values; those are either fg or bg - */ - for (i = 0; i < CURSOR_WIDTH * CURSOR_HEIGHT; i++, pixels++) - if ((pixel = *pixels)) - *pixels = (pixel == info->cursor_fg) ? fg : bg; - - CURSOR_SWAPPING_END(); - info->cursor_fg = fg; - info->cursor_bg = bg; -} - - -/* Set cursor position to (x,y) with offset into cursor bitmap at - * (xorigin,yorigin) - */ -static void RADEONSetCursorPosition(ScrnInfoPtr pScrn, int x, int y) -{ - RADEONInfoPtr info = RADEONPTR(pScrn); - unsigned char *RADEONMMIO = info->MMIO; - xf86CursorInfoPtr cursor = info->cursor; - int xorigin = 0; - int yorigin = 0; - int total_y = pScrn->frameY1 - pScrn->frameY0; - int stride = 256; - - if(info->MergedFB) { - RADEONSetCursorPositionMerged(pScrn, x, y); - return; - } - - if (x < 0) xorigin = -x+1; - if (y < 0) yorigin = -y+1; - if (y > total_y) y = total_y; - if (info->Flags & V_DBLSCAN) y *= 2; - if (xorigin >= cursor->MaxWidth) xorigin = cursor->MaxWidth - 1; - if (yorigin >= cursor->MaxHeight) yorigin = cursor->MaxHeight - 1; - - if (!info->IsSecondary) { - OUTREG(RADEON_CUR_HORZ_VERT_OFF, (RADEON_CUR_LOCK - | (xorigin << 16) - | yorigin)); - OUTREG(RADEON_CUR_HORZ_VERT_POSN, (RADEON_CUR_LOCK - | ((xorigin ? 0 : x) << 16) - | (yorigin ? 0 : y))); - OUTREG(RADEON_CUR_OFFSET, info->cursor_start + yorigin * stride); - } else { - OUTREG(RADEON_CUR2_HORZ_VERT_OFF, (RADEON_CUR2_LOCK - | (xorigin << 16) - | yorigin)); - OUTREG(RADEON_CUR2_HORZ_VERT_POSN, (RADEON_CUR2_LOCK - | ((xorigin ? 0 : x) << 16) - | (yorigin ? 0 : y))); - OUTREG(RADEON_CUR2_OFFSET, - info->cursor_start + pScrn->fbOffset + yorigin * stride); - } - -} - -/* Copy cursor image from `image' to video memory. RADEONSetCursorPosition - * will be called after this, so we can ignore xorigin and yorigin. - */ -static void RADEONLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *image) -{ - RADEONInfoPtr info = RADEONPTR(pScrn); - unsigned char *RADEONMMIO = info->MMIO; - CARD8 *s = (CARD8 *)(pointer)image; - CARD32 *d = (CARD32 *)(pointer)(info->FB + info->cursor_start); - CARD32 save1 = 0; - CARD32 save2 = 0; - CARD8 chunk; - CARD32 i, j; - CURSOR_SWAPPING_DECL - - if (!info->IsSecondary) { - save1 = INREG(RADEON_CRTC_GEN_CNTL) & ~(CARD32) (3 << 20); - save1 |= (CARD32) (2 << 20); - OUTREG(RADEON_CRTC_GEN_CNTL, save1 & (CARD32)~RADEON_CRTC_CUR_EN); - } - - if (info->IsSecondary || info->MergedFB) { - save2 = INREG(RADEON_CRTC2_GEN_CNTL) & ~(CARD32) (3 << 20); - save2 |= (CARD32) (2 << 20); - OUTREG(RADEON_CRTC2_GEN_CNTL, save2 & (CARD32)~RADEON_CRTC2_CUR_EN); - } - -#ifdef ARGB_CURSOR - info->cursor_argb = FALSE; -#endif - - /* - * Convert the bitmap to ARGB32. - * - * HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1 always places - * source in the low bit of the pair and mask in the high bit, - * and MSBFirst machines set HARDWARE_CURSOR_BIT_ORDER_MSBFIRST - * (which actually bit swaps the image) to make the bits LSBFirst - */ - CURSOR_SWAPPING_START(); -#define ARGB_PER_CHUNK (8 * sizeof (chunk) / 2) - for (i = 0; i < CURSOR_WIDTH * CURSOR_HEIGHT / ARGB_PER_CHUNK; i++) { - chunk = *s++; - for (j = 0; j < ARGB_PER_CHUNK; j++, chunk >>= 2) - *d++ = mono_cursor_color[chunk & 3]; - } - CURSOR_SWAPPING_END(); - - info->cursor_bg = mono_cursor_color[2]; - info->cursor_fg = mono_cursor_color[3]; - - if (!info->IsSecondary) - OUTREG(RADEON_CRTC_GEN_CNTL, save1); - - if (info->IsSecondary || info->MergedFB) - OUTREG(RADEON_CRTC2_GEN_CNTL, save2); - -} - -/* Hide hardware cursor. */ -static void RADEONHideCursor(ScrnInfoPtr pScrn) -{ - RADEONInfoPtr info = RADEONPTR(pScrn); - unsigned char *RADEONMMIO = info->MMIO; - - if (info->IsSecondary || info->MergedFB) - OUTREGP(RADEON_CRTC2_GEN_CNTL, 0, ~RADEON_CRTC2_CUR_EN); - - if (!info->IsSecondary) - OUTREGP(RADEON_CRTC_GEN_CNTL, 0, ~RADEON_CRTC_CUR_EN); -} - -/* Show hardware cursor. */ -static void RADEONShowCursor(ScrnInfoPtr pScrn) -{ - RADEONInfoPtr info = RADEONPTR(pScrn); - unsigned char *RADEONMMIO = info->MMIO; - - if (info->IsSecondary || info->MergedFB) - OUTREGP(RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_CUR_EN, - ~RADEON_CRTC2_CUR_EN); - - if (!info->IsSecondary) - OUTREGP(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_CUR_EN, - ~RADEON_CRTC_CUR_EN); -} - -/* Determine if hardware cursor is in use. */ -static Bool RADEONUseHWCursor(ScreenPtr pScreen, CursorPtr pCurs) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - RADEONInfoPtr info = RADEONPTR(pScrn); - - return info->cursor_start ? TRUE : FALSE; -} - -#ifdef ARGB_CURSOR -#include "cursorstr.h" - -static Bool RADEONUseHWCursorARGB (ScreenPtr pScreen, CursorPtr pCurs) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - RADEONInfoPtr info = RADEONPTR(pScrn); - - if (info->cursor_start && - pCurs->bits->height <= CURSOR_HEIGHT && pCurs->bits->width <= CURSOR_WIDTH) - return TRUE; - return FALSE; -} - -static void RADEONLoadCursorARGB (ScrnInfoPtr pScrn, CursorPtr pCurs) -{ - RADEONInfoPtr info = RADEONPTR(pScrn); - unsigned char *RADEONMMIO = info->MMIO; - CARD32 *d = (CARD32 *)(pointer)(info->FB + info->cursor_start); - int x, y, w, h; - CARD32 save1 = 0; - CARD32 save2 = 0; - CARD32 *image = pCurs->bits->argb; - CARD32 *i; - CURSOR_SWAPPING_DECL - - if (!image) - return; /* XXX can't happen */ - - if (!info->IsSecondary) { - save1 = INREG(RADEON_CRTC_GEN_CNTL) & ~(CARD32) (3 << 20); - save1 |= (CARD32) (2 << 20); - OUTREG(RADEON_CRTC_GEN_CNTL, save1 & (CARD32)~RADEON_CRTC_CUR_EN); - } - - if (info->IsSecondary || info->MergedFB) { - save2 = INREG(RADEON_CRTC2_GEN_CNTL) & ~(CARD32) (3 << 20); - save2 |= (CARD32) (2 << 20); - OUTREG(RADEON_CRTC2_GEN_CNTL, save2 & (CARD32)~RADEON_CRTC2_CUR_EN); - } - -#ifdef ARGB_CURSOR - info->cursor_argb = TRUE; -#endif - - CURSOR_SWAPPING_START(); - - w = pCurs->bits->width; - if (w > CURSOR_WIDTH) - w = CURSOR_WIDTH; - h = pCurs->bits->height; - if (h > CURSOR_HEIGHT) - h = CURSOR_HEIGHT; - for (y = 0; y < h; y++) - { - i = image; - image += pCurs->bits->width; - for (x = 0; x < w; x++) - *d++ = *i++; - /* pad to the right with transparent */ - for (; x < CURSOR_WIDTH; x++) - *d++ = 0; - } - /* pad below with transparent */ - for (; y < CURSOR_HEIGHT; y++) - for (x = 0; x < CURSOR_WIDTH; x++) - *d++ = 0; - - CURSOR_SWAPPING_END (); - - if (!info->IsSecondary) - OUTREG(RADEON_CRTC_GEN_CNTL, save1); - - if (info->IsSecondary || info->MergedFB) - OUTREG(RADEON_CRTC2_GEN_CNTL, save2); - -} - -#endif - - -/* Initialize hardware cursor support. */ -Bool RADEONCursorInit(ScreenPtr pScreen) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - RADEONInfoPtr info = RADEONPTR(pScrn); - xf86CursorInfoPtr cursor; - FBAreaPtr fbarea; - int width; - int width_bytes; - int height; - int size_bytes; - - if (!(cursor = info->cursor = xf86CreateCursorInfoRec())) return FALSE; - - cursor->MaxWidth = CURSOR_WIDTH; - cursor->MaxHeight = CURSOR_HEIGHT; - cursor->Flags = (HARDWARE_CURSOR_TRUECOLOR_AT_8BPP - | HARDWARE_CURSOR_AND_SOURCE_WITH_MASK -#if X_BYTE_ORDER == X_BIG_ENDIAN - /* this is a lie -- - * HARDWARE_CURSOR_BIT_ORDER_MSBFIRST - * actually inverts the bit order, so - * this switches to LSBFIRST - */ - | HARDWARE_CURSOR_BIT_ORDER_MSBFIRST -#endif - | HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1); - - cursor->SetCursorColors = RADEONSetCursorColors; - cursor->SetCursorPosition = RADEONSetCursorPosition; - cursor->LoadCursorImage = RADEONLoadCursorImage; - cursor->HideCursor = RADEONHideCursor; - cursor->ShowCursor = RADEONShowCursor; - cursor->UseHWCursor = RADEONUseHWCursor; - -#ifdef ARGB_CURSOR - cursor->UseHWCursorARGB = RADEONUseHWCursorARGB; - cursor->LoadCursorARGB = RADEONLoadCursorARGB; -#endif - size_bytes = CURSOR_WIDTH * 4 * CURSOR_HEIGHT; - width = pScrn->displayWidth; - width_bytes = width * (pScrn->bitsPerPixel / 8); - height = (size_bytes + width_bytes - 1) / width_bytes; - fbarea = xf86AllocateOffscreenArea(pScreen, - width, - height, - 256, - NULL, - NULL, - NULL); - - if (!fbarea) { - info->cursor_start = 0; - xf86DrvMsg(pScrn->scrnIndex, X_WARNING, - "Hardware cursor disabled" - " due to insufficient offscreen memory\n"); - } else { - info->cursor_start = RADEON_ALIGN((fbarea->box.x1 + - fbarea->box.y1 * width) * - info->CurrentLayout.pixel_bytes, - 256); - info->cursor_end = info->cursor_start + size_bytes; - } - - RADEONTRACE(("RADEONCursorInit (0x%08x-0x%08x)\n", - info->cursor_start, info->cursor_end)); - - return xf86InitCursor(pScreen, cursor); -} |