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Diffstat (limited to 'xorg-server/hw/xfree86/modes/xf86DiDGA.c')
-rw-r--r--xorg-server/hw/xfree86/modes/xf86DiDGA.c431
1 files changed, 214 insertions, 217 deletions
diff --git a/xorg-server/hw/xfree86/modes/xf86DiDGA.c b/xorg-server/hw/xfree86/modes/xf86DiDGA.c
index b2bbefa62..fafd95aed 100644
--- a/xorg-server/hw/xfree86/modes/xf86DiDGA.c
+++ b/xorg-server/hw/xfree86/modes/xf86DiDGA.c
@@ -1,217 +1,214 @@
-/*
- * 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;
- }
- 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);
-}
+/*
+ * 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;
+ }
+ 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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