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Diffstat (limited to 'xorg-server/hw/kdrive/fake/fake.c')
-rw-r--r--xorg-server/hw/kdrive/fake/fake.c484
1 files changed, 484 insertions, 0 deletions
diff --git a/xorg-server/hw/kdrive/fake/fake.c b/xorg-server/hw/kdrive/fake/fake.c
new file mode 100644
index 000000000..6211ab871
--- /dev/null
+++ b/xorg-server/hw/kdrive/fake/fake.c
@@ -0,0 +1,484 @@
+/*
+ * Copyright © 2004 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <kdrive-config.h>
+#endif
+#include "fake.h"
+
+extern int KdTsPhyScreen;
+
+Bool
+fakeInitialize (KdCardInfo *card, FakePriv *priv)
+{
+ priv->base = 0;
+ priv->bytes_per_line = 0;
+ return TRUE;
+}
+
+Bool
+fakeCardInit (KdCardInfo *card)
+{
+ FakePriv *priv;
+
+ priv = (FakePriv *) xalloc (sizeof (FakePriv));
+ if (!priv)
+ return FALSE;
+
+ if (!fakeInitialize (card, priv))
+ {
+ xfree (priv);
+ return FALSE;
+ }
+ card->driver = priv;
+
+ return TRUE;
+}
+
+Bool
+fakeScreenInitialize (KdScreenInfo *screen, FakeScrPriv *scrpriv)
+{
+ if (!screen->width || !screen->height)
+ {
+ screen->width = 1024;
+ screen->height = 768;
+ screen->rate = 72;
+ }
+
+ if (screen->width <= 0)
+ screen->width = 1;
+ if (screen->height <= 0)
+ screen->height = 1;
+
+ if (!screen->fb[0].depth)
+ screen->fb[0].depth = 16;
+
+ if (screen->fb[0].depth <= 8)
+ {
+ screen->fb[0].visuals = ((1 << StaticGray) |
+ (1 << GrayScale) |
+ (1 << StaticColor) |
+ (1 << PseudoColor) |
+ (1 << TrueColor) |
+ (1 << DirectColor));
+ }
+ else
+ {
+ screen->fb[0].visuals = (1 << TrueColor);
+#define Mask(o,l) (((1 << l) - 1) << o)
+ if (screen->fb[0].depth <= 15)
+ {
+ screen->fb[0].depth = 15;
+ screen->fb[0].bitsPerPixel = 16;
+ screen->fb[0].redMask = Mask (10, 5);
+ screen->fb[0].greenMask = Mask (5, 5);
+ screen->fb[0].blueMask = Mask (0, 5);
+ }
+ else if (screen->fb[0].depth <= 16)
+ {
+ screen->fb[0].depth = 16;
+ screen->fb[0].bitsPerPixel = 16;
+ screen->fb[0].redMask = Mask (11, 5);
+ screen->fb[0].greenMask = Mask (5, 6);
+ screen->fb[0].blueMask = Mask (0, 5);
+ }
+ else
+ {
+ screen->fb[0].depth = 24;
+ screen->fb[0].bitsPerPixel = 32;
+ screen->fb[0].redMask = Mask (16, 8);
+ screen->fb[0].greenMask = Mask (8, 8);
+ screen->fb[0].blueMask = Mask (0, 8);
+ }
+ }
+
+ scrpriv->randr = screen->randr;
+
+ return fakeMapFramebuffer (screen);
+}
+
+Bool
+fakeScreenInit (KdScreenInfo *screen)
+{
+ FakeScrPriv *scrpriv;
+
+ scrpriv = xalloc (sizeof (FakeScrPriv));
+ if (!scrpriv)
+ return FALSE;
+ memset (scrpriv, '\0', sizeof (FakeScrPriv));
+ screen->driver = scrpriv;
+ if (!fakeScreenInitialize (screen, scrpriv))
+ {
+ screen->driver = 0;
+ xfree (scrpriv);
+ return FALSE;
+ }
+ return TRUE;
+}
+
+void *
+fakeWindowLinear (ScreenPtr pScreen,
+ CARD32 row,
+ CARD32 offset,
+ int mode,
+ CARD32 *size,
+ void *closure)
+{
+ KdScreenPriv(pScreen);
+ FakePriv *priv = pScreenPriv->card->driver;
+
+ if (!pScreenPriv->enabled)
+ return 0;
+ *size = priv->bytes_per_line;
+ return priv->base + row * priv->bytes_per_line;
+}
+
+Bool
+fakeMapFramebuffer (KdScreenInfo *screen)
+{
+ FakeScrPriv *scrpriv = screen->driver;
+ KdPointerMatrix m;
+ FakePriv *priv = screen->card->driver;
+
+ if (scrpriv->randr != RR_Rotate_0)
+ scrpriv->shadow = TRUE;
+ else
+ scrpriv->shadow = FALSE;
+
+ KdComputePointerMatrix (&m, scrpriv->randr, screen->width, screen->height);
+
+ KdSetPointerMatrix (&m);
+
+ priv->bytes_per_line = ((screen->width * screen->fb[0].bitsPerPixel + 31) >> 5) << 2;
+ if (priv->base)
+ free (priv->base);
+ priv->base = malloc (priv->bytes_per_line * screen->height);
+ screen->memory_base = (CARD8 *) (priv->base);
+ screen->memory_size = 0;
+ screen->off_screen_base = 0;
+
+ if (scrpriv->shadow)
+ {
+ if (!KdShadowFbAlloc (screen, 0,
+ scrpriv->randr & (RR_Rotate_90|RR_Rotate_270)))
+ return FALSE;
+ }
+ else
+ {
+ screen->fb[0].byteStride = priv->bytes_per_line;
+ screen->fb[0].pixelStride = (priv->bytes_per_line * 8/
+ screen->fb[0].bitsPerPixel);
+ screen->fb[0].frameBuffer = (CARD8 *) (priv->base);
+ }
+
+ return TRUE;
+}
+
+void
+fakeSetScreenSizes (ScreenPtr pScreen)
+{
+ KdScreenPriv(pScreen);
+ KdScreenInfo *screen = pScreenPriv->screen;
+ FakeScrPriv *scrpriv = screen->driver;
+
+ if (scrpriv->randr & (RR_Rotate_0|RR_Rotate_180))
+ {
+ pScreen->width = screen->width;
+ pScreen->height = screen->height;
+ pScreen->mmWidth = screen->width_mm;
+ pScreen->mmHeight = screen->height_mm;
+ }
+ else
+ {
+ pScreen->width = screen->width;
+ pScreen->height = screen->height;
+ pScreen->mmWidth = screen->height_mm;
+ pScreen->mmHeight = screen->width_mm;
+ }
+}
+
+Bool
+fakeUnmapFramebuffer (KdScreenInfo *screen)
+{
+ FakePriv *priv = screen->card->driver;
+ KdShadowFbFree (screen, 0);
+ if (priv->base)
+ {
+ free (priv->base);
+ priv->base = 0;
+ }
+ return TRUE;
+}
+
+Bool
+fakeSetShadow (ScreenPtr pScreen)
+{
+ KdScreenPriv(pScreen);
+ KdScreenInfo *screen = pScreenPriv->screen;
+ FakeScrPriv *scrpriv = screen->driver;
+ ShadowUpdateProc update;
+ ShadowWindowProc window;
+
+ window = fakeWindowLinear;
+ update = 0;
+ if (scrpriv->randr)
+ update = shadowUpdateRotatePacked;
+ else
+ update = shadowUpdatePacked;
+ return KdShadowSet (pScreen, scrpriv->randr, update, window);
+}
+
+
+#ifdef RANDR
+Bool
+fakeRandRGetInfo (ScreenPtr pScreen, Rotation *rotations)
+{
+ KdScreenPriv(pScreen);
+ KdScreenInfo *screen = pScreenPriv->screen;
+ FakeScrPriv *scrpriv = screen->driver;
+ RRScreenSizePtr pSize;
+ Rotation randr;
+ int n;
+
+ *rotations = RR_Rotate_All|RR_Reflect_All;
+
+ for (n = 0; n < pScreen->numDepths; n++)
+ if (pScreen->allowedDepths[n].numVids)
+ break;
+ if (n == pScreen->numDepths)
+ return FALSE;
+
+ pSize = RRRegisterSize (pScreen,
+ screen->width,
+ screen->height,
+ screen->width_mm,
+ screen->height_mm);
+
+ randr = KdSubRotation (scrpriv->randr, screen->randr);
+
+ RRSetCurrentConfig (pScreen, randr, 0, pSize);
+
+ return TRUE;
+}
+
+Bool
+fakeRandRSetConfig (ScreenPtr pScreen,
+ Rotation randr,
+ int rate,
+ RRScreenSizePtr pSize)
+{
+ KdScreenPriv(pScreen);
+ KdScreenInfo *screen = pScreenPriv->screen;
+ FakeScrPriv *scrpriv = screen->driver;
+ Bool wasEnabled = pScreenPriv->enabled;
+ FakeScrPriv oldscr;
+ int oldwidth;
+ int oldheight;
+ int oldmmwidth;
+ int oldmmheight;
+ int newwidth, newheight;
+
+ if (screen->randr & (RR_Rotate_0|RR_Rotate_180))
+ {
+ newwidth = pSize->width;
+ newheight = pSize->height;
+ }
+ else
+ {
+ newwidth = pSize->height;
+ newheight = pSize->width;
+ }
+
+ if (wasEnabled)
+ KdDisableScreen (pScreen);
+
+ oldscr = *scrpriv;
+
+ oldwidth = screen->width;
+ oldheight = screen->height;
+ oldmmwidth = pScreen->mmWidth;
+ oldmmheight = pScreen->mmHeight;
+
+ /*
+ * Set new configuration
+ */
+
+ scrpriv->randr = KdAddRotation (screen->randr, randr);
+
+ KdOffscreenSwapOut (screen->pScreen);
+
+ fakeUnmapFramebuffer (screen);
+
+ if (!fakeMapFramebuffer (screen))
+ goto bail4;
+
+ KdShadowUnset (screen->pScreen);
+
+ if (!fakeSetShadow (screen->pScreen))
+ goto bail4;
+
+ fakeSetScreenSizes (screen->pScreen);
+
+ /*
+ * Set frame buffer mapping
+ */
+ (*pScreen->ModifyPixmapHeader) (fbGetScreenPixmap (pScreen),
+ pScreen->width,
+ pScreen->height,
+ screen->fb[0].depth,
+ screen->fb[0].bitsPerPixel,
+ screen->fb[0].byteStride,
+ screen->fb[0].frameBuffer);
+
+ /* set the subpixel order */
+
+ KdSetSubpixelOrder (pScreen, scrpriv->randr);
+ if (wasEnabled)
+ KdEnableScreen (pScreen);
+
+ return TRUE;
+
+bail4:
+ fakeUnmapFramebuffer (screen);
+ *scrpriv = oldscr;
+ (void) fakeMapFramebuffer (screen);
+ pScreen->width = oldwidth;
+ pScreen->height = oldheight;
+ pScreen->mmWidth = oldmmwidth;
+ pScreen->mmHeight = oldmmheight;
+
+ if (wasEnabled)
+ KdEnableScreen (pScreen);
+ return FALSE;
+}
+
+Bool
+fakeRandRInit (ScreenPtr pScreen)
+{
+ rrScrPrivPtr pScrPriv;
+
+ if (!RRScreenInit (pScreen))
+ return FALSE;
+
+ pScrPriv = rrGetScrPriv(pScreen);
+ pScrPriv->rrGetInfo = fakeRandRGetInfo;
+ pScrPriv->rrSetConfig = fakeRandRSetConfig;
+ return TRUE;
+}
+#endif
+
+Bool
+fakeCreateColormap (ColormapPtr pmap)
+{
+ return fbInitializeColormap (pmap);
+}
+
+Bool
+fakeInitScreen (ScreenPtr pScreen)
+{
+#ifdef TOUCHSCREEN
+ KdTsPhyScreen = pScreen->myNum;
+#endif
+
+ pScreen->CreateColormap = fakeCreateColormap;
+ return TRUE;
+}
+
+Bool
+fakeFinishInitScreen (ScreenPtr pScreen)
+{
+ if (!shadowSetup (pScreen))
+ return FALSE;
+
+#ifdef RANDR
+ if (!fakeRandRInit (pScreen))
+ return FALSE;
+#endif
+
+ return TRUE;
+}
+
+
+Bool
+fakeCreateResources (ScreenPtr pScreen)
+{
+ return fakeSetShadow (pScreen);
+}
+
+void
+fakePreserve (KdCardInfo *card)
+{
+}
+
+Bool
+fakeEnable (ScreenPtr pScreen)
+{
+ return TRUE;
+}
+
+Bool
+fakeDPMS (ScreenPtr pScreen, int mode)
+{
+ return TRUE;
+}
+
+void
+fakeDisable (ScreenPtr pScreen)
+{
+}
+
+void
+fakeRestore (KdCardInfo *card)
+{
+}
+
+void
+fakeScreenFini (KdScreenInfo *screen)
+{
+}
+
+void
+fakeCardFini (KdCardInfo *card)
+{
+ FakePriv *priv = card->driver;
+
+ if (priv->base)
+ free (priv->base);
+ xfree (priv);
+}
+
+void
+fakeGetColors (ScreenPtr pScreen, int fb, int n, xColorItem *pdefs)
+{
+ while (n--)
+ {
+ pdefs->red = 0;
+ pdefs->green = 0;
+ pdefs->blue = 0;
+ pdefs++;
+ }
+}
+
+void
+fakePutColors (ScreenPtr pScreen, int fb, int n, xColorItem *pdefs)
+{
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 08:28:02 +0000