560 lines
12 KiB
C
560 lines
12 KiB
C
/*
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* Copyright © 2004 Eric Anholt
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Eric Anholt not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Eric Anholt makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <kdrive-config.h>
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#endif
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#include "ati.h"
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#include "ati_reg.h"
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#include "cursorstr.h"
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#include "ati_draw.h"
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static void
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ATIMoveCursor(ScreenPtr pScreen, int x, int y)
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{
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KdScreenPriv(pScreen);
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ATICardInfo(pScreenPriv);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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CARD16 xoff, yoff;
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char *mmio = atic->reg_base;
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int stride = atic->is_radeon ? 256 : 16;
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if (!pCurPriv->has_cursor)
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return;
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if (!pScreenPriv->enabled)
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return;
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x -= pCurPriv->xhot;
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xoff = 0;
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if (x < 0) {
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xoff = -x;
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x = 0;
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}
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y -= pCurPriv->yhot;
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yoff = 0;
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if (y < 0) {
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yoff = -y;
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y = 0;
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}
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MMIO_OUT32(mmio, ATI_REG_CUR_HORZ_VERT_OFF, ATI_CUR_LOCK |
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(xoff << 16) | yoff);
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MMIO_OUT32(mmio, ATI_REG_CUR_HORZ_VERT_POSN, ATI_CUR_LOCK |
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(x << 16) | y);
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MMIO_OUT32(mmio, ATI_REG_CUR_OFFSET, (pCurPriv->area->offset + yoff *
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stride));
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}
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static void
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ClassicAllocCursorColors(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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CursorPtr pCursor = pCurPriv->pCursor;
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KdAllocateCursorPixels(pScreen, 0, pCursor, &pCurPriv->source,
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&pCurPriv->mask);
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switch (pScreenPriv->screen->fb[0].bitsPerPixel) {
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case 4:
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pCurPriv->source |= pCurPriv->source << 4;
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pCurPriv->mask |= pCurPriv->mask << 4;
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/* FALLTHROUGH */
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case 8:
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pCurPriv->source |= pCurPriv->source << 8;
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pCurPriv->mask |= pCurPriv->mask << 8;
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/* FALLTHROUGH */
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case 16:
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pCurPriv->source |= pCurPriv->source << 16;
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pCurPriv->mask |= pCurPriv->mask << 16;
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}
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}
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static void
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ClassicSetCursorColors(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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ATICardInfo(pScreenPriv);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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char *mmio = atic->reg_base;
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MMIO_OUT32(mmio, ATI_REG_CUR_CLR0, pCurPriv->mask);
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MMIO_OUT32(mmio, ATI_REG_CUR_CLR1, pCurPriv->source);
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}
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static void
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ClassicRecolorCursor(ScreenPtr pScreen, int ndef, xColorItem *pdef)
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{
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KdScreenPriv(pScreen);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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CursorPtr pCursor = pCurPriv->pCursor;
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if (!pCurPriv->has_cursor || !pCursor)
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return;
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if (!pScreenPriv->enabled)
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return;
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if (pdef) {
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while (ndef != 0) {
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if (pdef->pixel == pCurPriv->source ||
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pdef->pixel == pCurPriv->mask)
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break;
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ndef--;
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}
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if (ndef == 0)
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return;
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}
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ClassicAllocCursorColors(pScreen);
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ClassicSetCursorColors(pScreen);
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}
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#define InvertBits32(v) do { \
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v = ((v & 0x55555555) << 1) | ((v >> 1) & 0x55555555); \
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v = ((v & 0x33333333) << 2) | ((v >> 2) & 0x33333333); \
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v = ((v & 0x0f0f0f0f) << 4) | ((v >> 4) & 0x0f0f0f0f); \
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} while (0)
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static void
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ClassicLoadCursor(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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ATICardInfo(pScreenPriv);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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CursorPtr pCursor = pCurPriv->pCursor;
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CursorBitsPtr bits = pCursor->bits;
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int h;
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CARD32 *ram, *msk, *mskLine, *src, *srcLine;
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int i;
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int lwsrc;
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CARD32 tmp;
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char *mmio = atic->reg_base;
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ClassicAllocCursorColors(pScreen);
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pCurPriv->pCursor = pCursor;
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pCurPriv->xhot = pCursor->bits->xhot;
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pCurPriv->yhot = pCursor->bits->yhot;
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/* Stick new image into cursor memory */
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ram = (CARD32 *)(pScreenPriv->screen->memory_base +
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pCurPriv->area->offset);
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mskLine = (CARD32 *)bits->mask;
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srcLine = (CARD32 *)bits->source;
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h = bits->height;
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if (h > ATI_CURSOR_HEIGHT)
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h = ATI_CURSOR_HEIGHT;
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lwsrc = BitmapBytePad(bits->width) / 4; /* words per line */
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tmp = MMIO_IN32(mmio, ATI_REG_GEN_CNTL);
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MMIO_OUT32(mmio, ATI_REG_GEN_CNTL, tmp & ~ATI_CRTC_CUR_EN);
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for (i = 0; i < ATI_CURSOR_HEIGHT; i++) {
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CARD32 m1, m2, s1, s2;
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msk = mskLine;
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src = srcLine;
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mskLine += lwsrc;
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srcLine += lwsrc;
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if (i < h && 0 < lwsrc) {
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m1 = ~*msk++;
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s1 = *src++;
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InvertBits32(m1);
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InvertBits32(s1);
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} else {
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m1 = 0xffffffff;
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s1 = 0x0;
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}
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if (i < h && 1 < lwsrc) {
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m2 = ~*msk++;
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s2 = *src++;
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InvertBits32(m2);
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InvertBits32(s2);
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} else {
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m2 = 0xffffffff;
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s2 = 0x0;
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}
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*ram++ = m1;
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*ram++ = m2;
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*ram++ = s1;
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*ram++ = s2;
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}
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/* Not sure why this is necessary, but it prevents some cursor
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* corruption. Not even all of it.
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*/
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for (i = 0; i < ATI_CURSOR_HEIGHT; i++) {
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*ram++ = 0xffffffff;
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*ram++ = 0xffffffff;
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*ram++ = 0x0;
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*ram++ = 0x0;
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}
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/* Enable the cursor */
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tmp = MMIO_IN32(mmio, ATI_REG_GEN_CNTL);
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MMIO_OUT32(mmio, ATI_REG_GEN_CNTL, tmp | ATI_CRTC_CUR_EN);
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/* Set new color */
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ClassicSetCursorColors(pScreen);
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}
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static void
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RadeonLoadCursor(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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ATICardInfo(pScreenPriv);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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CursorPtr pCursor = pCurPriv->pCursor;
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CursorBitsPtr bits = pCursor->bits;
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int h, w;
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int x, y;
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CARD32 *ram, *msk, *mskLine, *src, *srcLine;
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int lwsrc;
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CARD32 tmp;
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char *mmio = atic->reg_base;
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pCurPriv->pCursor = pCursor;
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pCurPriv->xhot = pCursor->bits->xhot;
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pCurPriv->yhot = pCursor->bits->yhot;
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w = bits->width;
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if (w > ATI_CURSOR_WIDTH)
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w = ATI_CURSOR_WIDTH;
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h = bits->height;
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if (h > ATI_CURSOR_HEIGHT)
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h = ATI_CURSOR_HEIGHT;
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tmp = MMIO_IN32(mmio, 0x7c);
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tmp = 0x00010f80;
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MMIO_OUT32 (mmio, 0x7c, tmp);
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tmp = MMIO_IN32(mmio, ATI_REG_GEN_CNTL);
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tmp &= ~(ATI_CRTC_CUR_EN | ATI_CRTC_ICON_EN | ATI_CRTC_ARGB_EN);
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MMIO_OUT32(mmio, ATI_REG_GEN_CNTL, tmp);
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/* Stick new image into cursor memory */
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ram = (CARD32 *)(pScreenPriv->screen->memory_base +
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pCurPriv->area->offset);
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if (pCursor->bits->argb)
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{
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srcLine = pCursor->bits->argb;
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for (y = 0; y < h; y++)
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{
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src = srcLine;
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srcLine += pCursor->bits->width;
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for (x = 0; x < w; x++)
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*ram++ = *src++;
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for (; x < ATI_CURSOR_WIDTH; x++)
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*ram++ = 0;
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}
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for (; y < ATI_CURSOR_HEIGHT; y++)
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for (x = 0; x < ATI_CURSOR_WIDTH; x++)
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*ram++ = 0;
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}
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else
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{
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CARD32 colors[4];
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colors[0] = 0;
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colors[1] = 0;
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colors[2] = (((pCursor->backRed >> 8) << 16) |
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((pCursor->backGreen >> 8) << 8) |
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((pCursor->backBlue >> 8) << 0) |
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0xff000000);
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colors[3] = (((pCursor->foreRed >> 8) << 16) |
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((pCursor->foreGreen >> 8) << 8) |
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((pCursor->foreBlue >> 8) << 0) |
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0xff000000);
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mskLine = (CARD32 *)bits->mask;
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srcLine = (CARD32 *)bits->source;
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/* words per line */
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lwsrc = BitmapBytePad(bits->width) / 4;
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for (y = 0; y < ATI_CURSOR_HEIGHT; y++)
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{
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CARD32 m, s;
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msk = mskLine;
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src = srcLine;
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mskLine += lwsrc;
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srcLine += lwsrc;
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for (x = 0; x < ATI_CURSOR_WIDTH / 32; x++)
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{
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int k;
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if (y < h && x < lwsrc)
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{
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m = *msk++;
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s = *src++;
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}
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else
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{
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m = 0x0;
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s = 0x0;
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}
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for (k = 0; k < 32; k++)
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{
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CARD32 bits = (s & 1) | ((m & 1) << 1);
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*ram++ = colors[bits];
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s >>= 1;
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m >>= 1;
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}
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}
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}
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}
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/* Enable the cursor */
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tmp &= ~(ATI_CRTC_ICON_EN);
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tmp |= ATI_CRTC_ARGB_EN;
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tmp |= ATI_CRTC_CUR_EN;
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MMIO_OUT32(mmio, ATI_REG_GEN_CNTL, tmp);
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}
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static void
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ATIUnloadCursor(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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ATICardInfo(pScreenPriv);
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char *mmio = atic->reg_base;
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CARD32 tmp;
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tmp = MMIO_IN32(mmio, ATI_REG_GEN_CNTL);
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tmp &= ~(ATI_CRTC_CUR_EN | ATI_CRTC_ICON_EN | ATI_CRTC_ARGB_EN);
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MMIO_OUT32(mmio, ATI_REG_GEN_CNTL, tmp);
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}
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static Bool
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ATIRealizeCursor(ScreenPtr pScreen, CursorPtr pCursor)
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{
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KdScreenPriv(pScreen);
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ATICardInfo(pScreenPriv);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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if (!pScreenPriv->enabled)
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return TRUE;
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/* miRecolorCursor does this */
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if (pCursor && pCurPriv->pCursor == pCursor)
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{
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int x, y;
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miPointerPosition(&x, &y);
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if (atic->is_radeon)
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RadeonLoadCursor (pScreen);
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else
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ClassicLoadCursor(pScreen);
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/* Move to new position */
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ATIMoveCursor(pScreen, x, y);
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}
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return TRUE;
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}
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static Bool
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ATIUnrealizeCursor(ScreenPtr pScreen, CursorPtr pCursor)
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{
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return TRUE;
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}
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static void
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ATISetCursor(ScreenPtr pScreen, CursorPtr pCursor, int x, int y)
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{
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KdScreenPriv(pScreen);
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ATICardInfo(pScreenPriv);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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pCurPriv->pCursor = pCursor;
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if (!pScreenPriv->enabled)
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return;
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if (pCursor)
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{
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if (atic->is_radeon)
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RadeonLoadCursor (pScreen);
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else
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ClassicLoadCursor(pScreen);
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/* Move to new position */
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ATIMoveCursor(pScreen, x, y);
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}
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else
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ATIUnloadCursor(pScreen);
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}
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miPointerSpriteFuncRec ATIPointerSpriteFuncs = {
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ATIRealizeCursor,
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ATIUnrealizeCursor,
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ATISetCursor,
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ATIMoveCursor,
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};
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static void
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ATIQueryBestSize(int class, unsigned short *pwidth, unsigned short *pheight,
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ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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switch (class)
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{
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case CursorShape:
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if (*pwidth > pCurPriv->width)
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*pwidth = pCurPriv->width;
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if (*pheight > pCurPriv->height)
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*pheight = pCurPriv->height;
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if (*pwidth > pScreen->width)
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*pwidth = pScreen->width;
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if (*pheight > pScreen->height)
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*pheight = pScreen->height;
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break;
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default:
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fbQueryBestSize(class, pwidth, pheight, pScreen);
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break;
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}
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}
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static void
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ATICursorSave(ScreenPtr pScreen, KdOffscreenArea *area)
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{
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KdScreenPriv(pScreen);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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pCurPriv->area = NULL;
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}
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void
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ATICursorEnable(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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ATICardInfo(pScreenPriv);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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if (!pCurPriv->has_cursor)
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return;
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if (pCurPriv->area == NULL) {
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if (atic->is_radeon)
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pCurPriv->area = KdOffscreenAlloc(pScreen,
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ATI_CURSOR_HEIGHT * ATI_CURSOR_WIDTH * 4,
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128, TRUE, ATICursorSave, atis);
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else
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pCurPriv->area = KdOffscreenAlloc(pScreen,
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ATI_CURSOR_HEIGHT * ATI_CURSOR_PITCH * 2,
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32, TRUE, ATICursorSave, atis);
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}
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if (pCurPriv->area == NULL)
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FatalError("Couldn't allocate offscreen memory for cursor.\n");
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if (pCurPriv->pCursor) {
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int x, y;
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miPointerPosition(&x, &y);
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if (atic->is_radeon)
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RadeonLoadCursor(pScreen);
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else
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ClassicLoadCursor(pScreen);
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/* Move to new position */
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ATIMoveCursor(pScreen, x, y);
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}
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else
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ATIUnloadCursor(pScreen);
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}
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void
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ATICursorDisable(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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if (!pScreenPriv->enabled || !pCurPriv->has_cursor)
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return;
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if (pCurPriv->pCursor)
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ATIUnloadCursor(pScreen);
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}
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Bool
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ATICursorInit(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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ATICardInfo(pScreenPriv);
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ATIScreenInfo(pScreenPriv);
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ATICursor *pCurPriv = &atis->cursor;
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pCurPriv->has_cursor = FALSE;
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if (atic->reg_base == NULL)
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return FALSE;
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pCurPriv->width = ATI_CURSOR_WIDTH;
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pCurPriv->height= ATI_CURSOR_HEIGHT;
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pScreen->QueryBestSize = ATIQueryBestSize;
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miPointerInitialize(pScreen, &ATIPointerSpriteFuncs,
|
|
&kdPointerScreenFuncs, FALSE);
|
|
pCurPriv->has_cursor = TRUE;
|
|
pCurPriv->pCursor = NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
ATIRecolorCursor (ScreenPtr pScreen, int ndef, xColorItem *pdef)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
ATICardInfo(pScreenPriv);
|
|
|
|
if (!atic->is_radeon)
|
|
ClassicRecolorCursor (pScreen, ndef, pdef);
|
|
}
|
|
|
|
void
|
|
ATICursorFini(ScreenPtr pScreen)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
ATIScreenInfo(pScreenPriv);
|
|
ATICursor *pCurPriv = &atis->cursor;
|
|
|
|
pCurPriv->has_cursor = FALSE;
|
|
pCurPriv->pCursor = NULL;
|
|
}
|