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Diffstat (limited to 'src/legacy/i810/i810_cursor.c')
-rw-r--r--src/legacy/i810/i810_cursor.c266
1 files changed, 266 insertions, 0 deletions
diff --git a/src/legacy/i810/i810_cursor.c b/src/legacy/i810/i810_cursor.c
new file mode 100644
index 00000000..898a1364
--- /dev/null
+++ b/src/legacy/i810/i810_cursor.c
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+
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+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 the rights to use, copy, modify, merge, publish,
+distribute, sub license, 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 PRECISION INSIGHT AND/OR ITS 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.
+
+**************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ *
+ * Add ARGB HW cursor support:
+ * Alan Hourihane <alanh@tungstengraphics.com>
+ *
+ */
+
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include "compiler.h"
+
+#include "xf86fbman.h"
+
+#include "i810.h"
+
+static Bool I810UseHWCursorARGB(ScreenPtr pScreen, CursorPtr pCurs);
+static void I810LoadCursorARGB(ScrnInfoPtr pScrn, CursorPtr pCurs);
+static void I810LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src);
+static void I810ShowCursor(ScrnInfoPtr pScrn);
+static void I810HideCursor(ScrnInfoPtr pScrn);
+static void I810SetCursorColors(ScrnInfoPtr pScrn, int bg, int fb);
+static void I810SetCursorPosition(ScrnInfoPtr pScrn, int x, int y);
+static Bool I810UseHWCursor(ScreenPtr pScrn, CursorPtr pCurs);
+
+Bool
+I810CursorInit(ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn;
+ I810Ptr pI810;
+ xf86CursorInfoPtr infoPtr;
+
+ pScrn = xf86Screens[pScreen->myNum];
+ pI810 = I810PTR(pScrn);
+ pI810->CursorInfoRec = infoPtr = xf86CreateCursorInfoRec();
+ if (!infoPtr)
+ return FALSE;
+
+ infoPtr->MaxWidth = 64;
+ infoPtr->MaxHeight = 64;
+ infoPtr->Flags = (HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
+ HARDWARE_CURSOR_BIT_ORDER_MSBFIRST |
+ HARDWARE_CURSOR_INVERT_MASK |
+ HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK |
+ HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
+ HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64 | 0);
+
+ infoPtr->SetCursorColors = I810SetCursorColors;
+ infoPtr->SetCursorPosition = I810SetCursorPosition;
+ infoPtr->LoadCursorImage = I810LoadCursorImage;
+ infoPtr->HideCursor = I810HideCursor;
+ infoPtr->ShowCursor = I810ShowCursor;
+ infoPtr->UseHWCursor = I810UseHWCursor;
+#ifdef ARGB_CURSOR
+ pI810->CursorIsARGB = FALSE;
+
+ if (!pI810->CursorARGBPhysical) {
+ infoPtr->UseHWCursorARGB = I810UseHWCursorARGB;
+ infoPtr->LoadCursorARGB = I810LoadCursorARGB;
+ }
+#endif
+
+ return xf86InitCursor(pScreen, infoPtr);
+}
+
+#ifdef ARGB_CURSOR
+#include "cursorstr.h"
+
+static Bool I810UseHWCursorARGB (ScreenPtr pScreen, CursorPtr pCurs)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ if (!pI810->CursorARGBPhysical)
+ return FALSE;
+
+ if (pCurs->bits->height <= 64 && pCurs->bits->width <= 64)
+ return TRUE;
+
+ return FALSE;
+}
+
+static void I810LoadCursorARGB (ScrnInfoPtr pScrn, CursorPtr pCurs)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+ uint32_t *pcurs = (uint32_t *) (pI810->FbBase + pI810->CursorStart);
+ uint32_t *image = (uint32_t *) pCurs->bits->argb;
+ int x, y, w, h;
+
+#ifdef ARGB_CURSOR
+ pI810->CursorIsARGB = TRUE;
+#endif
+
+ w = pCurs->bits->width;
+ h = pCurs->bits->height;
+
+ for (y = 0; y < h; y++)
+ {
+ for (x = 0; x < w; x++)
+ *pcurs++ = *image++;
+ for (; x < 64; x++)
+ *pcurs++ = 0;
+ }
+
+ for (; y < 64; y++)
+ for (x = 0; x < 64; x++)
+ *pcurs++ = 0;
+}
+#endif
+
+static Bool
+I810UseHWCursor(ScreenPtr pScreen, CursorPtr pCurs)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ if (!pI810->CursorPhysical)
+ return FALSE;
+ else
+ return TRUE;
+}
+
+static void
+I810LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+ uint8_t *pcurs = (uint8_t *) (pI810->FbBase + pI810->CursorStart);
+ int x, y;
+
+#ifdef ARGB_CURSOR
+ pI810->CursorIsARGB = FALSE;
+#endif
+
+ for (y = 0; y < 64; y++) {
+ for (x = 0; x < 64 / 4; x++) {
+ *pcurs++ = *src++;
+ }
+ }
+}
+
+static void
+I810SetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+ int flag;
+
+ x += pI810->CursorOffset;
+
+ if (x >= 0)
+ flag = CURSOR_X_POS;
+ else {
+ flag = CURSOR_X_NEG;
+ x = -x;
+ }
+
+ OUTREG8(CURSOR_X_LO, x & 0xFF);
+ OUTREG8(CURSOR_X_HI, (((x >> 8) & 0x07) | flag));
+
+ if (y >= 0)
+ flag = CURSOR_Y_POS;
+ else {
+ flag = CURSOR_Y_NEG;
+ y = -y;
+ }
+ OUTREG8(CURSOR_Y_LO, y & 0xFF);
+ OUTREG8(CURSOR_Y_HI, (((y >> 8) & 0x07) | flag));
+
+ if (pI810->CursorIsARGB)
+ OUTREG(CURSOR_BASEADDR, pI810->CursorARGBPhysical);
+ else
+ OUTREG(CURSOR_BASEADDR, pI810->CursorPhysical);
+}
+
+static void
+I810ShowCursor(ScrnInfoPtr pScrn)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+ unsigned char tmp;
+
+ if (pI810->CursorIsARGB) {
+ OUTREG(CURSOR_BASEADDR, pI810->CursorARGBPhysical);
+ OUTREG8(CURSOR_CONTROL, CURSOR_ORIGIN_DISPLAY | CURSOR_MODE_64_ARGB_AX);
+ } else {
+ OUTREG(CURSOR_BASEADDR, pI810->CursorPhysical);
+ OUTREG8(CURSOR_CONTROL, CURSOR_ORIGIN_DISPLAY | CURSOR_MODE_64_3C);
+ }
+
+ tmp = INREG8(PIXPIPE_CONFIG_0);
+ tmp |= HW_CURSOR_ENABLE;
+ OUTREG8(PIXPIPE_CONFIG_0, tmp);
+}
+
+static void
+I810HideCursor(ScrnInfoPtr pScrn)
+{
+ unsigned char tmp;
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ tmp = INREG8(PIXPIPE_CONFIG_0);
+ tmp &= ~HW_CURSOR_ENABLE;
+ OUTREG8(PIXPIPE_CONFIG_0, tmp);
+}
+
+static void
+I810SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
+{
+ int tmp;
+ I810Ptr pI810 = I810PTR(pScrn);
+
+#ifdef ARGB_CURSOR
+ if (pI810->CursorIsARGB)
+ return;
+#endif
+
+ tmp = INREG8(PIXPIPE_CONFIG_0);
+ tmp |= EXTENDED_PALETTE;
+ OUTREG8(PIXPIPE_CONFIG_0, tmp);
+
+ pI810->writeStandard(pI810, DACMASK, 0xFF);
+ pI810->writeStandard(pI810, DACWX, 0x04);
+
+ pI810->writeStandard(pI810, DACDATA, (bg & 0x00FF0000) >> 16);
+ pI810->writeStandard(pI810, DACDATA, (bg & 0x0000FF00) >> 8);
+ pI810->writeStandard(pI810, DACDATA, (bg & 0x000000FF));
+
+ pI810->writeStandard(pI810, DACDATA, (fg & 0x00FF0000) >> 16);
+ pI810->writeStandard(pI810, DACDATA, (fg & 0x0000FF00) >> 8);
+ pI810->writeStandard(pI810, DACDATA, (fg & 0x000000FF));
+
+ tmp = INREG8(PIXPIPE_CONFIG_0);
+ tmp &= ~EXTENDED_PALETTE;
+ OUTREG8(PIXPIPE_CONFIG_0, tmp);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 10:48:33 +0000