445 lines
10 KiB
C
445 lines
10 KiB
C
/*
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* Copyright © 2004 Keith Packard
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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 Keith Packard 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. Keith Packard 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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* KEITH PACKARD 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 KEITH PACKARD 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 "fake.h"
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Bool
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fakeInitialize(KdCardInfo * card, FakePriv * priv)
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{
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priv->base = 0;
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priv->bytes_per_line = 0;
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return TRUE;
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}
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Bool
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fakeCardInit(KdCardInfo * card)
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{
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FakePriv *priv;
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priv = (FakePriv *) malloc(sizeof(FakePriv));
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if (!priv)
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return FALSE;
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if (!fakeInitialize(card, priv)) {
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free(priv);
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return FALSE;
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}
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card->driver = priv;
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return TRUE;
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}
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Bool
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fakeScreenInitialize(KdScreenInfo * screen, FakeScrPriv * scrpriv)
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{
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if (!screen->width || !screen->height) {
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screen->width = 1024;
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screen->height = 768;
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screen->rate = 72;
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}
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if (screen->width <= 0)
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screen->width = 1;
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if (screen->height <= 0)
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screen->height = 1;
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if (!screen->fb.depth)
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screen->fb.depth = 16;
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if (screen->fb.depth <= 8) {
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screen->fb.visuals = ((1 << StaticGray) |
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(1 << GrayScale) |
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(1 << StaticColor) |
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(1 << PseudoColor) |
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(1 << TrueColor) | (1 << DirectColor));
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}
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else {
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screen->fb.visuals = (1 << TrueColor);
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#define Mask(o,l) (((1 << l) - 1) << o)
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if (screen->fb.depth <= 15) {
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screen->fb.depth = 15;
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screen->fb.bitsPerPixel = 16;
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screen->fb.redMask = Mask (10, 5);
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screen->fb.greenMask = Mask (5, 5);
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screen->fb.blueMask = Mask (0, 5);
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}
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else if (screen->fb.depth <= 16) {
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screen->fb.depth = 16;
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screen->fb.bitsPerPixel = 16;
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screen->fb.redMask = Mask (11, 5);
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screen->fb.greenMask = Mask (5, 6);
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screen->fb.blueMask = Mask (0, 5);
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}
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else {
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screen->fb.depth = 24;
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screen->fb.bitsPerPixel = 32;
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screen->fb.redMask = Mask (16, 8);
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screen->fb.greenMask = Mask (8, 8);
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screen->fb.blueMask = Mask (0, 8);
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}
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}
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scrpriv->randr = screen->randr;
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return fakeMapFramebuffer(screen);
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}
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Bool
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fakeScreenInit(KdScreenInfo * screen)
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{
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FakeScrPriv *scrpriv;
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scrpriv = calloc(1, sizeof(FakeScrPriv));
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if (!scrpriv)
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return FALSE;
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screen->driver = scrpriv;
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if (!fakeScreenInitialize(screen, scrpriv)) {
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screen->driver = 0;
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free(scrpriv);
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return FALSE;
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}
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return TRUE;
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}
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void *
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fakeWindowLinear(ScreenPtr pScreen,
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CARD32 row,
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CARD32 offset, int mode, CARD32 *size, void *closure)
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{
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KdScreenPriv(pScreen);
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FakePriv *priv = pScreenPriv->card->driver;
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if (!pScreenPriv->enabled)
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return 0;
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*size = priv->bytes_per_line;
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return priv->base + row * priv->bytes_per_line;
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}
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Bool
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fakeMapFramebuffer(KdScreenInfo * screen)
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{
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FakeScrPriv *scrpriv = screen->driver;
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KdPointerMatrix m;
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FakePriv *priv = screen->card->driver;
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if (scrpriv->randr != RR_Rotate_0)
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scrpriv->shadow = TRUE;
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else
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scrpriv->shadow = FALSE;
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KdComputePointerMatrix(&m, scrpriv->randr, screen->width, screen->height);
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KdSetPointerMatrix(&m);
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priv->bytes_per_line =
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((screen->width * screen->fb.bitsPerPixel + 31) >> 5) << 2;
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free(priv->base);
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priv->base = xallocarray(priv->bytes_per_line, screen->height);
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if (scrpriv->shadow) {
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if (!KdShadowFbAlloc
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(screen, scrpriv->randr & (RR_Rotate_90 | RR_Rotate_270)))
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return FALSE;
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}
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else {
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screen->fb.byteStride = priv->bytes_per_line;
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screen->fb.pixelStride = (priv->bytes_per_line * 8 /
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screen->fb.bitsPerPixel);
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screen->fb.frameBuffer = (CARD8 *) (priv->base);
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}
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return TRUE;
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}
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void
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fakeSetScreenSizes(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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FakeScrPriv *scrpriv = screen->driver;
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if (scrpriv->randr & (RR_Rotate_0 | RR_Rotate_180)) {
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pScreen->width = screen->width;
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pScreen->height = screen->height;
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pScreen->mmWidth = screen->width_mm;
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pScreen->mmHeight = screen->height_mm;
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}
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else {
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pScreen->width = screen->width;
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pScreen->height = screen->height;
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pScreen->mmWidth = screen->height_mm;
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pScreen->mmHeight = screen->width_mm;
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}
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}
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Bool
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fakeUnmapFramebuffer(KdScreenInfo * screen)
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{
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FakePriv *priv = screen->card->driver;
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KdShadowFbFree(screen);
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free(priv->base);
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priv->base = NULL;
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return TRUE;
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}
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Bool
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fakeSetShadow(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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FakeScrPriv *scrpriv = screen->driver;
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ShadowUpdateProc update;
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ShadowWindowProc window;
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window = fakeWindowLinear;
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update = 0;
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if (scrpriv->randr)
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update = shadowUpdateRotatePacked;
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else
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update = shadowUpdatePacked;
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return KdShadowSet(pScreen, scrpriv->randr, update, window);
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}
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#ifdef RANDR
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Bool
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fakeRandRGetInfo(ScreenPtr pScreen, Rotation * rotations)
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{
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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FakeScrPriv *scrpriv = screen->driver;
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RRScreenSizePtr pSize;
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Rotation randr;
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int n;
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*rotations = RR_Rotate_All | RR_Reflect_All;
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for (n = 0; n < pScreen->numDepths; n++)
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if (pScreen->allowedDepths[n].numVids)
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break;
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if (n == pScreen->numDepths)
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return FALSE;
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pSize = RRRegisterSize(pScreen,
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screen->width,
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screen->height, screen->width_mm, screen->height_mm);
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randr = KdSubRotation(scrpriv->randr, screen->randr);
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RRSetCurrentConfig(pScreen, randr, 0, pSize);
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return TRUE;
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}
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Bool
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fakeRandRSetConfig(ScreenPtr pScreen,
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Rotation randr, int rate, RRScreenSizePtr pSize)
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{
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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FakeScrPriv *scrpriv = screen->driver;
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Bool wasEnabled = pScreenPriv->enabled;
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FakeScrPriv oldscr;
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int oldwidth;
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int oldheight;
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int oldmmwidth;
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int oldmmheight;
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int newwidth, newheight;
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if (screen->randr & (RR_Rotate_0 | RR_Rotate_180)) {
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newwidth = pSize->width;
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newheight = pSize->height;
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}
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else {
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newwidth = pSize->height;
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newheight = pSize->width;
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}
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if (wasEnabled)
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KdDisableScreen(pScreen);
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oldscr = *scrpriv;
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oldwidth = screen->width;
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oldheight = screen->height;
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oldmmwidth = pScreen->mmWidth;
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oldmmheight = pScreen->mmHeight;
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/*
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* Set new configuration
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*/
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scrpriv->randr = KdAddRotation(screen->randr, randr);
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fakeUnmapFramebuffer(screen);
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if (!fakeMapFramebuffer(screen))
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goto bail4;
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KdShadowUnset(screen->pScreen);
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if (!fakeSetShadow(screen->pScreen))
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goto bail4;
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fakeSetScreenSizes(screen->pScreen);
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/*
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* Set frame buffer mapping
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*/
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(*pScreen->ModifyPixmapHeader) (fbGetScreenPixmap(pScreen),
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pScreen->width,
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pScreen->height,
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screen->fb.depth,
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screen->fb.bitsPerPixel,
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screen->fb.byteStride,
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screen->fb.frameBuffer);
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/* set the subpixel order */
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KdSetSubpixelOrder(pScreen, scrpriv->randr);
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if (wasEnabled)
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KdEnableScreen(pScreen);
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return TRUE;
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bail4:
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fakeUnmapFramebuffer(screen);
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*scrpriv = oldscr;
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(void) fakeMapFramebuffer(screen);
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pScreen->width = oldwidth;
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pScreen->height = oldheight;
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pScreen->mmWidth = oldmmwidth;
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pScreen->mmHeight = oldmmheight;
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if (wasEnabled)
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KdEnableScreen(pScreen);
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return FALSE;
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}
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Bool
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fakeRandRInit(ScreenPtr pScreen)
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{
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rrScrPrivPtr pScrPriv;
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if (!RRScreenInit(pScreen))
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return FALSE;
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pScrPriv = rrGetScrPriv(pScreen);
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pScrPriv->rrGetInfo = fakeRandRGetInfo;
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pScrPriv->rrSetConfig = fakeRandRSetConfig;
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return TRUE;
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}
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#endif
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Bool
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fakeCreateColormap(ColormapPtr pmap)
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{
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return fbInitializeColormap(pmap);
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}
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Bool
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fakeInitScreen(ScreenPtr pScreen)
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{
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pScreen->CreateColormap = fakeCreateColormap;
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return TRUE;
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}
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Bool
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fakeFinishInitScreen(ScreenPtr pScreen)
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{
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if (!shadowSetup(pScreen))
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return FALSE;
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#ifdef RANDR
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if (!fakeRandRInit(pScreen))
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return FALSE;
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#endif
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return TRUE;
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}
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Bool
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fakeCreateResources(ScreenPtr pScreen)
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{
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return fakeSetShadow(pScreen);
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}
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void
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fakePreserve(KdCardInfo * card)
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{
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}
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Bool
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fakeEnable(ScreenPtr pScreen)
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{
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return TRUE;
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}
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Bool
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fakeDPMS(ScreenPtr pScreen, int mode)
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{
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return TRUE;
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}
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void
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fakeDisable(ScreenPtr pScreen)
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{
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}
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void
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fakeRestore(KdCardInfo * card)
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{
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}
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void
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fakeScreenFini(KdScreenInfo * screen)
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{
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}
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void
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fakeCardFini(KdCardInfo * card)
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{
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FakePriv *priv = card->driver;
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free(priv->base);
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free(priv);
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}
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void
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fakeGetColors(ScreenPtr pScreen, int n, xColorItem * pdefs)
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{
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while (n--) {
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pdefs->red = 0;
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pdefs->green = 0;
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pdefs->blue = 0;
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pdefs++;
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}
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}
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void
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fakePutColors(ScreenPtr pScreen, int n, xColorItem * pdefs)
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{
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}
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