diff options
Diffstat (limited to 'xorg-server/hw/xfree86/modes/xf86DiDGA.c')
-rw-r--r-- | xorg-server/hw/xfree86/modes/xf86DiDGA.c | 436 |
1 files changed, 218 insertions, 218 deletions
diff --git a/xorg-server/hw/xfree86/modes/xf86DiDGA.c b/xorg-server/hw/xfree86/modes/xf86DiDGA.c index 60fbdbf05..61c779edc 100644 --- a/xorg-server/hw/xfree86/modes/xf86DiDGA.c +++ b/xorg-server/hw/xfree86/modes/xf86DiDGA.c @@ -1,218 +1,218 @@ -/* - * Copyright © 2006 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 the copyright holders not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. The copyright holders make no representations - * about the suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL THE COPYRIGHT HOLDERS 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_XORG_CONFIG_H -#include <xorg-config.h> -#else -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#endif - -#include "xf86.h" -#include "xf86DDC.h" -#include "xf86_OSproc.h" -#include "dgaproc.h" -#include "xf86Crtc.h" -#include "xf86Modes.h" -#include "gcstruct.h" -#include "scrnintstr.h" -#include "windowstr.h" - -static Bool -xf86_dga_get_modes (ScreenPtr pScreen) -{ - ScrnInfoPtr scrn = xf86Screens[pScreen->myNum]; - xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); - DGAModePtr modes, mode; - DisplayModePtr display_mode; - int bpp = scrn->bitsPerPixel >> 3; - int num; - - num = 0; - display_mode = scrn->modes; - while (display_mode) - { - num++; - display_mode = display_mode->next; - if (display_mode == scrn->modes) - break; - } - - if (!num) - return FALSE; - - modes = xalloc(num * sizeof(DGAModeRec)); - if (!modes) - return FALSE; - - num = 0; - display_mode = scrn->modes; - while (display_mode) - { - mode = modes + num++; - - mode->mode = display_mode; - mode->flags = DGA_CONCURRENT_ACCESS; - if (display_mode->Flags & V_DBLSCAN) - mode->flags |= DGA_DOUBLESCAN; - if (display_mode->Flags & V_INTERLACE) - mode->flags |= DGA_INTERLACED; - mode->byteOrder = scrn->imageByteOrder; - mode->depth = scrn->depth; - mode->bitsPerPixel = scrn->bitsPerPixel; - mode->red_mask = scrn->mask.red; - mode->green_mask = scrn->mask.green; - mode->blue_mask = scrn->mask.blue; - mode->visualClass = (bpp == 1) ? PseudoColor : TrueColor; - mode->viewportWidth = display_mode->HDisplay; - mode->viewportHeight = display_mode->VDisplay; - mode->xViewportStep = (bpp == 3) ? 2 : 1; - mode->yViewportStep = 1; - mode->viewportFlags = DGA_FLIP_RETRACE; - mode->offset = 0; - mode->address = 0; - mode->imageWidth = mode->viewportWidth; - mode->imageHeight = mode->viewportHeight; - mode->bytesPerScanline = (mode->imageWidth * scrn->bitsPerPixel) >> 3; - mode->pixmapWidth = mode->imageWidth; - mode->pixmapHeight = mode->imageHeight; - mode->maxViewportX = 0; - mode->maxViewportY = 0; - - display_mode = display_mode->next; - if (display_mode == scrn->modes) - break; - } - if (xf86_config->dga_modes) - xfree (xf86_config->dga_modes); - xf86_config->dga_nmode = num; - xf86_config->dga_modes = modes; - return TRUE; -} - -static Bool -xf86_dga_set_mode(ScrnInfoPtr scrn, DGAModePtr display_mode) -{ - ScreenPtr pScreen = scrn->pScreen; - xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); - - if (!display_mode) - { - if (xf86_config->dga_save_mode) - { - xf86SwitchMode(pScreen, xf86_config->dga_save_mode); - xf86_config->dga_save_mode = NULL; - } - } - else - { - if (!xf86_config->dga_save_mode) - { - xf86_config->dga_save_mode = scrn->currentMode; - xf86SwitchMode(pScreen, display_mode->mode); - } - } - return TRUE; -} - -static int -xf86_dga_get_viewport(ScrnInfoPtr scrn) -{ - return 0; -} - -static void -xf86_dga_set_viewport(ScrnInfoPtr scrn, int x, int y, int flags) -{ - scrn->AdjustFrame(scrn->pScreen->myNum, x, y, flags); -} - -static Bool -xf86_dga_open_framebuffer(ScrnInfoPtr scrn, - char **name, - unsigned char **mem, int *size, int *offset, int *flags) -{ - return FALSE; -} - -static void -xf86_dga_close_framebuffer(ScrnInfoPtr scrn) -{ -} - -static DGAFunctionRec xf86_dga_funcs = { - xf86_dga_open_framebuffer, - xf86_dga_close_framebuffer, - xf86_dga_set_mode, - xf86_dga_set_viewport, - xf86_dga_get_viewport, - NULL, - NULL, - NULL, - NULL -}; - -Bool -xf86DiDGAReInit (ScreenPtr pScreen) -{ - return TRUE; -} - -Bool -_xf86_di_dga_reinit_internal (ScreenPtr pScreen) -{ - ScrnInfoPtr scrn = xf86Screens[pScreen->myNum]; - xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); - - if (!DGAAvailable(pScreen->myNum)) - return TRUE; - - if (!xf86_dga_get_modes (pScreen)) - return FALSE; - - return DGAReInitModes (pScreen, xf86_config->dga_modes, xf86_config->dga_nmode); -} - -Bool -xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address) -{ - return TRUE; -} - -Bool -_xf86_di_dga_init_internal (ScreenPtr pScreen) -{ - ScrnInfoPtr scrn = xf86Screens[pScreen->myNum]; - xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); - - xf86_config->dga_flags = 0; - xf86_config->dga_address = 0; - xf86_config->dga_width = 0; - xf86_config->dga_height = 0; - xf86_config->dga_stride = 0; - - if (!xf86_dga_get_modes (pScreen)) - return FALSE; - - return DGAInit(pScreen, &xf86_dga_funcs, xf86_config->dga_modes, xf86_config->dga_nmode); -} +/*
+ * Copyright © 2006 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 the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS 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_XORG_CONFIG_H
+#include <xorg-config.h>
+#else
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#endif
+
+#include "xf86.h"
+#include "xf86DDC.h"
+#include "xf86_OSproc.h"
+#include "dgaproc.h"
+#include "xf86Crtc.h"
+#include "xf86Modes.h"
+#include "gcstruct.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+
+static Bool
+xf86_dga_get_modes (ScreenPtr pScreen)
+{
+ ScrnInfoPtr scrn = xf86Screens[pScreen->myNum];
+ xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
+ DGAModePtr modes, mode;
+ DisplayModePtr display_mode;
+ int bpp = scrn->bitsPerPixel >> 3;
+ int num;
+
+ num = 0;
+ display_mode = scrn->modes;
+ while (display_mode)
+ {
+ num++;
+ display_mode = display_mode->next;
+ if (display_mode == scrn->modes)
+ break;
+ }
+
+ if (!num)
+ return FALSE;
+
+ modes = malloc(num * sizeof(DGAModeRec));
+ if (!modes)
+ return FALSE;
+
+ num = 0;
+ display_mode = scrn->modes;
+ while (display_mode)
+ {
+ mode = modes + num++;
+
+ mode->mode = display_mode;
+ mode->flags = DGA_CONCURRENT_ACCESS;
+ if (display_mode->Flags & V_DBLSCAN)
+ mode->flags |= DGA_DOUBLESCAN;
+ if (display_mode->Flags & V_INTERLACE)
+ mode->flags |= DGA_INTERLACED;
+ mode->byteOrder = scrn->imageByteOrder;
+ mode->depth = scrn->depth;
+ mode->bitsPerPixel = scrn->bitsPerPixel;
+ mode->red_mask = scrn->mask.red;
+ mode->green_mask = scrn->mask.green;
+ mode->blue_mask = scrn->mask.blue;
+ mode->visualClass = (bpp == 1) ? PseudoColor : TrueColor;
+ mode->viewportWidth = display_mode->HDisplay;
+ mode->viewportHeight = display_mode->VDisplay;
+ mode->xViewportStep = (bpp == 3) ? 2 : 1;
+ mode->yViewportStep = 1;
+ mode->viewportFlags = DGA_FLIP_RETRACE;
+ mode->offset = 0;
+ mode->address = 0;
+ mode->imageWidth = mode->viewportWidth;
+ mode->imageHeight = mode->viewportHeight;
+ mode->bytesPerScanline = (mode->imageWidth * scrn->bitsPerPixel) >> 3;
+ mode->pixmapWidth = mode->imageWidth;
+ mode->pixmapHeight = mode->imageHeight;
+ mode->maxViewportX = 0;
+ mode->maxViewportY = 0;
+
+ display_mode = display_mode->next;
+ if (display_mode == scrn->modes)
+ break;
+ }
+ if (xf86_config->dga_modes)
+ free(xf86_config->dga_modes);
+ xf86_config->dga_nmode = num;
+ xf86_config->dga_modes = modes;
+ return TRUE;
+}
+
+static Bool
+xf86_dga_set_mode(ScrnInfoPtr scrn, DGAModePtr display_mode)
+{
+ ScreenPtr pScreen = scrn->pScreen;
+ xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
+
+ if (!display_mode)
+ {
+ if (xf86_config->dga_save_mode)
+ {
+ xf86SwitchMode(pScreen, xf86_config->dga_save_mode);
+ xf86_config->dga_save_mode = NULL;
+ }
+ }
+ else
+ {
+ if (!xf86_config->dga_save_mode)
+ {
+ xf86_config->dga_save_mode = scrn->currentMode;
+ xf86SwitchMode(pScreen, display_mode->mode);
+ }
+ }
+ return TRUE;
+}
+
+static int
+xf86_dga_get_viewport(ScrnInfoPtr scrn)
+{
+ return 0;
+}
+
+static void
+xf86_dga_set_viewport(ScrnInfoPtr scrn, int x, int y, int flags)
+{
+ scrn->AdjustFrame(scrn->pScreen->myNum, x, y, flags);
+}
+
+static Bool
+xf86_dga_open_framebuffer(ScrnInfoPtr scrn,
+ char **name,
+ unsigned char **mem, int *size, int *offset, int *flags)
+{
+ return FALSE;
+}
+
+static void
+xf86_dga_close_framebuffer(ScrnInfoPtr scrn)
+{
+}
+
+static DGAFunctionRec xf86_dga_funcs = {
+ xf86_dga_open_framebuffer,
+ xf86_dga_close_framebuffer,
+ xf86_dga_set_mode,
+ xf86_dga_set_viewport,
+ xf86_dga_get_viewport,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+};
+
+Bool
+xf86DiDGAReInit (ScreenPtr pScreen)
+{
+ return TRUE;
+}
+
+Bool
+_xf86_di_dga_reinit_internal (ScreenPtr pScreen)
+{
+ ScrnInfoPtr scrn = xf86Screens[pScreen->myNum];
+ xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
+
+ if (!DGAAvailable(pScreen->myNum))
+ return TRUE;
+
+ if (!xf86_dga_get_modes (pScreen))
+ return FALSE;
+
+ return DGAReInitModes (pScreen, xf86_config->dga_modes, xf86_config->dga_nmode);
+}
+
+Bool
+xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address)
+{
+ return TRUE;
+}
+
+Bool
+_xf86_di_dga_init_internal (ScreenPtr pScreen)
+{
+ ScrnInfoPtr scrn = xf86Screens[pScreen->myNum];
+ xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
+
+ xf86_config->dga_flags = 0;
+ xf86_config->dga_address = 0;
+ xf86_config->dga_width = 0;
+ xf86_config->dga_height = 0;
+ xf86_config->dga_stride = 0;
+
+ if (!xf86_dga_get_modes (pScreen))
+ return FALSE;
+
+ return DGAInit(pScreen, &xf86_dga_funcs, xf86_config->dga_modes, xf86_config->dga_nmode);
+}
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