diff options
Diffstat (limited to 'hw/xfree86/modes/xf86DiDGA.c')
-rw-r--r-- | hw/xfree86/modes/xf86DiDGA.c | 199 |
1 files changed, 98 insertions, 101 deletions
diff --git a/hw/xfree86/modes/xf86DiDGA.c b/hw/xfree86/modes/xf86DiDGA.c index ca419ecb9..fafd95aed 100644 --- a/hw/xfree86/modes/xf86DiDGA.c +++ b/hw/xfree86/modes/xf86DiDGA.c @@ -39,69 +39,67 @@ #include "windowstr.h" static Bool -xf86_dga_get_modes (ScreenPtr pScreen) +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; + 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; + while (display_mode) { + num++; + display_mode = display_mode->next; + if (display_mode == scrn->modes) + break; } - + if (!num) - return FALSE; - + return FALSE; + modes = malloc(num * sizeof(DGAModeRec)); if (!modes) - return FALSE; - + 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; + 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; @@ -112,24 +110,20 @@ xf86_dga_get_modes (ScreenPtr pScreen) 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; - } + 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); - } + else { + if (!xf86_config->dga_save_mode) { + xf86_config->dga_save_mode = scrn->currentMode; + xf86SwitchMode(pScreen, display_mode->mode); + } } return TRUE; } @@ -143,13 +137,14 @@ xf86_dga_get_viewport(ScrnInfoPtr scrn) static void xf86_dga_set_viewport(ScrnInfoPtr scrn, int x, int y, int flags) { - scrn->AdjustFrame(scrn->pScreen->myNum, x, y, 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) + char **name, + unsigned char **mem, int *size, int *offset, + int *flags) { return FALSE; } @@ -160,58 +155,60 @@ 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 + 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) +xf86DiDGAReInit(ScreenPtr pScreen) { return TRUE; } Bool -_xf86_di_dga_reinit_internal (ScreenPtr pScreen) +_xf86_di_dga_reinit_internal(ScreenPtr pScreen) { - ScrnInfoPtr scrn = xf86Screens[pScreen->myNum]; - xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); - + ScrnInfoPtr scrn = xf86Screens[pScreen->myNum]; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + if (!DGAAvailable(pScreen->myNum)) - return TRUE; + return TRUE; - if (!xf86_dga_get_modes (pScreen)) - return FALSE; - - return DGAReInitModes (pScreen, xf86_config->dga_modes, xf86_config->dga_nmode); + 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) +xf86DiDGAInit(ScreenPtr pScreen, unsigned long dga_address) { return TRUE; } Bool -_xf86_di_dga_init_internal (ScreenPtr pScreen) +_xf86_di_dga_init_internal(ScreenPtr pScreen) { - ScrnInfoPtr scrn = xf86Screens[pScreen->myNum]; - xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + 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); + + if (!xf86_dga_get_modes(pScreen)) + return FALSE; + + return DGAInit(pScreen, &xf86_dga_funcs, xf86_config->dga_modes, + xf86_config->dga_nmode); } |