478 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			478 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright © 2004 David Reveman
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|  *
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|  * Permission to use, copy, modify, distribute, and sell this software
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|  * and its documentation for any purpose is hereby granted without
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|  * fee, provided that the above copyright notice appear in all copies
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|  * and that both that copyright notice and this permission notice
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|  * appear in supporting documentation, and that the name of
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|  * David Reveman not be used in advertising or publicity pertaining to
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|  * distribution of the software without specific, written prior permission.
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|  * David Reveman makes no representations about the suitability of this
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|  * software for any purpose. It is provided "as is" without express or
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|  * implied warranty.
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|  *
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|  * DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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|  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
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|  * NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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|  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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|  * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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|  * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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|  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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|  *
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|  * Author: David Reveman <davidr@novell.com>
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|  */
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| 
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| #include "xgl.h"
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| #include "inputstr.h"
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| #include "mipointer.h"
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| #include "damage.h"
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| #include "fb.h"
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| #ifdef MITSHM
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| #include "shmint.h"
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| static ShmFuncs shmFuncs = { NULL, xglShmPutImage };
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| #endif
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| #ifdef RENDER
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| #include "glyphstr.h"
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| #endif
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| #ifdef COMPOSITE
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| #include "compint.h"
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| #endif
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| 
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| int xglScreenGeneration = -1;
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| int xglScreenPrivateIndex;
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| int xglGCPrivateIndex;
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| int xglPixmapPrivateIndex;
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| int xglWinPrivateIndex;
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| 
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| #ifdef RENDER
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| int xglGlyphPrivateIndex;
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| #endif
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| 
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| #define xglQueryBestSize	  (void *) NoopDDA
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| #define xglSaveScreen		  (void *) NoopDDA
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| 
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| #define xglConstrainCursor	  (void *) NoopDDA
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| #define xglCursorLimits		  (void *) NoopDDA
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| #define xglDisplayCursor	  (void *) NoopDDA
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| #define xglRealizeCursor	  (void *) NoopDDA
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| #define xglUnrealizeCursor	  (void *) NoopDDA
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| #define xglRecolorCursor	  (void *) NoopDDA
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| #define xglSetCursorPosition	  (void *) NoopDDA
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| 
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| static Bool
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| xglAllocatePrivates (ScreenPtr pScreen)
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| {
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|     xglScreenPtr pScreenPriv;
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| 
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|     if (xglScreenGeneration != serverGeneration)
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|     {
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| 	xglScreenPrivateIndex = AllocateScreenPrivateIndex ();
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| 	if (xglScreenPrivateIndex < 0)
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| 	    return FALSE;
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| 
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| 	xglGCPrivateIndex = AllocateGCPrivateIndex ();
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| 	if (xglGCPrivateIndex < 0)
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| 	    return FALSE;
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| 
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| 	xglPixmapPrivateIndex = AllocatePixmapPrivateIndex ();
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| 	if (xglPixmapPrivateIndex < 0)
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| 	    return FALSE;
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| 
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| 	xglWinPrivateIndex = AllocateWindowPrivateIndex ();
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| 	if (xglWinPrivateIndex < 0)
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| 	    return FALSE;
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| 
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| #ifdef RENDER
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| 	xglGlyphPrivateIndex = AllocateGlyphPrivateIndex ();
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| 	if (xglGlyphPrivateIndex < 0)
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| 	    return FALSE;
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| #endif
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| 
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| 	xglScreenGeneration = serverGeneration;
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|     }
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| 
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|     if (!AllocateGCPrivate (pScreen, xglGCPrivateIndex, sizeof (xglGCRec)))
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| 	return FALSE;
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| 
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|     if (!AllocatePixmapPrivate (pScreen, xglPixmapPrivateIndex,
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| 				sizeof (xglPixmapRec)))
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| 	return FALSE;
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| 
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|     if (!AllocateWindowPrivate (pScreen, xglWinPrivateIndex,
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| 				sizeof (xglWinRec)))
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| 	return FALSE;
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| 
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|     pScreenPriv = xalloc (sizeof (xglScreenRec));
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|     if (!pScreenPriv)
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| 	return FALSE;
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| 
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|     XGL_SET_SCREEN_PRIV (pScreen, pScreenPriv);
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| 
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|     return TRUE;
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| }
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| 
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| Bool
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| xglScreenInit (ScreenPtr pScreen)
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| {
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|     xglScreenPtr pScreenPriv;
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|     xglVisualPtr v;
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|     int		 i, depth, bpp = 0;
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| 
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| #ifdef RENDER
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|     PictureScreenPtr pPictureScreen;
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| #endif
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| 
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|     depth = xglScreenInfo.depth;
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| 
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|     for (v = xglVisuals; v; v = v->next)
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|     {
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| 	if (v->pPixel->depth == depth)
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| 	{
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| 	    bpp = v->pPixel->masks.bpp;
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| 	    break;
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| 	}
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|     }
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| 
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|     if (!bpp)
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| 	return FALSE;
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| 
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|     if (!xglAllocatePrivates (pScreen))
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| 	return FALSE;
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| 
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|     pScreenPriv = XGL_GET_SCREEN_PRIV (pScreen);
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| 
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|     pScreenPriv->pScreenPixmap = NULL;
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| 
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|     /* Add any unlisted depths from the pixmap formats */
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|     for (i = 0; i < screenInfo.numPixmapFormats; i++)
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|     {
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| 	if (!xglHasVisualTypes (xglVisuals, screenInfo.formats[i].depth))
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| 	    xglSetVisualTypes (screenInfo.formats[i].depth, 0, 0, 0, 0);
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|     }
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| 
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|     pScreenPriv->pVisual = 0;
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| 
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| #ifdef GLXEXT
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|     pScreenPriv->pGlxVisual = 0;
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| #endif
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| 
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|     pScreenPriv->rootVisual = 0;
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| 
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|     pScreenPriv->drawable = xglScreenInfo.drawable;
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|     pScreenPriv->features =
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| 	glitz_drawable_get_features (xglScreenInfo.drawable);
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| 
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|     GEOMETRY_INIT (pScreen, &pScreenPriv->scratchGeometry,
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| 		   GLITZ_GEOMETRY_TYPE_VERTEX,
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| 		   pScreenPriv->geometryUsage, 0);
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| 
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|     pScreenPriv->geometryDataType = xglScreenInfo.geometryDataType;
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|     pScreenPriv->geometryUsage    = xglScreenInfo.geometryUsage;
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|     pScreenPriv->yInverted	  = xglScreenInfo.yInverted;
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|     pScreenPriv->pboMask	  = xglScreenInfo.pboMask;
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|     pScreenPriv->lines		  = xglScreenInfo.lines;
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|     pScreenPriv->accel		  = xglScreenInfo.accel;
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| 
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|     if (monitorResolution == 0)
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| 	monitorResolution = XGL_DEFAULT_DPI;
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| 
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|     if (!fbSetupScreen (pScreen, NULL,
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| 			xglScreenInfo.width, xglScreenInfo.height,
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| 			monitorResolution, monitorResolution,
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| 			xglScreenInfo.width, bpp))
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| 	return FALSE;
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| 
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|     pScreen->SaveScreen = xglSaveScreen;
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| 
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|     pScreen->CreatePixmap  = xglCreatePixmap;
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|     pScreen->DestroyPixmap = xglDestroyPixmap;
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| 
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|     if (!fbFinishScreenInit (pScreen, NULL,
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| 			     xglScreenInfo.width, xglScreenInfo.height,
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| 			     monitorResolution, monitorResolution,
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| 			     xglScreenInfo.width, bpp))
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| 	return FALSE;
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| 
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| #ifdef MITSHM
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|     ShmRegisterFuncs (pScreen, &shmFuncs);
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| #endif
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| 
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| #ifdef RENDER
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|     if (!xglPictureInit (pScreen))
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| 	return FALSE;
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| #endif
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| 
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|     XGL_SCREEN_WRAP (GetImage, xglGetImage);
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|     XGL_SCREEN_WRAP (GetSpans, xglGetSpans);
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| 
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|     XGL_SCREEN_WRAP (CopyWindow, xglCopyWindow);
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|     XGL_SCREEN_WRAP (CreateWindow, xglCreateWindow);
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|     XGL_SCREEN_WRAP (DestroyWindow, xglDestroyWindow);
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|     XGL_SCREEN_WRAP (ChangeWindowAttributes, xglChangeWindowAttributes);
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|     XGL_SCREEN_WRAP (PaintWindowBackground, xglPaintWindowBackground);
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|     XGL_SCREEN_WRAP (PaintWindowBorder, xglPaintWindowBorder);
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| 
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|     XGL_SCREEN_WRAP (CreateGC, xglCreateGC);
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| 
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|     pScreen->ConstrainCursor   = xglConstrainCursor;
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|     pScreen->CursorLimits      = xglCursorLimits;
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|     pScreen->DisplayCursor     = xglDisplayCursor;
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|     pScreen->RealizeCursor     = xglRealizeCursor;
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|     pScreen->UnrealizeCursor   = xglUnrealizeCursor;
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|     pScreen->RecolorCursor     = xglRecolorCursor;
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|     pScreen->SetCursorPosition = xglSetCursorPosition;
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| 
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|     pScreen->ModifyPixmapHeader = xglModifyPixmapHeader;
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| 
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|     XGL_SCREEN_WRAP (BitmapToRegion, xglPixmapToRegion);
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| 
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|     pScreen->GetWindowPixmap = xglGetWindowPixmap;
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| 
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|     XGL_SCREEN_WRAP (SetWindowPixmap, xglSetWindowPixmap);
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| 
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| #ifdef RENDER
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|     pPictureScreen = GetPictureScreenIfSet (pScreen);
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|     if (pPictureScreen)
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|     {
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| 	if (!AllocateGlyphPrivate (pScreen, xglGlyphPrivateIndex,
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| 				   sizeof (xglGlyphRec)))
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| 	    return FALSE;
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| 
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| 	XGL_PICTURE_SCREEN_WRAP (RealizeGlyph, xglRealizeGlyph);
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| 	XGL_PICTURE_SCREEN_WRAP (UnrealizeGlyph, xglUnrealizeGlyph);
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| 	XGL_PICTURE_SCREEN_WRAP (Composite, xglComposite);
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| 	XGL_PICTURE_SCREEN_WRAP (Glyphs, xglGlyphs);
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| 	XGL_PICTURE_SCREEN_WRAP (Trapezoids, xglTrapezoids);
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| 	XGL_PICTURE_SCREEN_WRAP (AddTraps, xglAddTraps);
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| 	XGL_PICTURE_SCREEN_WRAP (AddTriangles, xglAddTriangles);
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| 	XGL_PICTURE_SCREEN_WRAP (ChangePicture, xglChangePicture);
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| 	XGL_PICTURE_SCREEN_WRAP (ChangePictureTransform,
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| 				 xglChangePictureTransform);
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| 	XGL_PICTURE_SCREEN_WRAP (ChangePictureFilter, xglChangePictureFilter);
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|     }
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| #endif
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| 
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|     XGL_SCREEN_WRAP (BackingStoreFuncs.SaveAreas, xglSaveAreas);
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|     XGL_SCREEN_WRAP (BackingStoreFuncs.RestoreAreas, xglRestoreAreas);
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| 
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|     if (!fbCreateDefColormap (pScreen))
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| 	return FALSE;
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| 
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| #ifdef COMPOSITE
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| #warning "composite building"
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|     if (!compScreenInit (pScreen))
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| 	return FALSE;
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| #endif
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| 
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|     /* Damage is required */
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|     DamageSetup (pScreen);
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| 
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|     XGL_SCREEN_WRAP (CloseScreen, xglCloseScreen);
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| 
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|     return TRUE;
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| }
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| 
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| Bool
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| xglFinishScreenInit (ScreenPtr pScreen)
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| {
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|     xglVisualPtr v;
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| 
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| #ifdef RENDER
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|     glitz_vertex_format_t *format;
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|     static glitz_color_t  clearBlack = { 0x0, 0x0, 0x0, 0x0 };
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|     static glitz_color_t  solidWhite = { 0xffff, 0xffff, 0xffff, 0xffff };
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|     int			  i;
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| #endif
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| 
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|     XGL_SCREEN_PRIV (pScreen);
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| 
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|     xglInitVisuals (pScreen);
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| 
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|     for (v = pScreenPriv->pVisual; v; v = v->next)
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|     {
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| 	if (v->vid == pScreen->rootVisual)
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| 	    pScreenPriv->rootVisual = v;
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|     }
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| 
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|     if (!pScreenPriv->rootVisual || !pScreenPriv->rootVisual->format.surface)
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| 	return FALSE;
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| 
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|     pScreenPriv->surface =
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| 	glitz_surface_create (pScreenPriv->drawable,
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| 			      pScreenPriv->rootVisual->format.surface,
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| 			      xglScreenInfo.width, xglScreenInfo.height,
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| 			      0, NULL);
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|     if (!pScreenPriv->surface)
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| 	return FALSE;
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| 
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|     glitz_surface_attach (pScreenPriv->surface,
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| 			  pScreenPriv->drawable,
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| 			  GLITZ_DRAWABLE_BUFFER_FRONT_COLOR);
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| 
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| #ifdef RENDER
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|     for (i = 0; i < 33; i++)
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| 	pScreenPriv->glyphCache[i].pScreen = NULL;
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| 
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|     for (v = pScreenPriv->pVisual; v; v = v->next)
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|     {
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| 	if (v->pPixel->depth == 8)
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| 	    break;
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|     }
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| 
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|     pScreenPriv->pSolidAlpha    = 0;
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|     pScreenPriv->trapInfo.pMask = 0;
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| 
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|     /* An accelerated alpha only Xgl visual is required for trapezoid
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|        acceleration */
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|     if (v && v->format.surface)
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|     {
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| 	glitz_surface_t *mask;
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| 
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| 	mask = glitz_surface_create (pScreenPriv->drawable,
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| 				     v->format.surface,
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| 				     2, 1, 0, NULL);
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| 	if (mask)
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| 	{
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| 	    glitz_set_rectangle (mask, &clearBlack, 0, 0, 1, 1);
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| 	    glitz_set_rectangle (mask, &solidWhite, 1, 0, 1, 1);
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| 
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| 	    glitz_surface_set_fill (mask, GLITZ_FILL_NEAREST);
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| 	    glitz_surface_set_filter (mask, GLITZ_FILTER_BILINEAR, NULL, 0);
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| 
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| 	    pScreenPriv->trapInfo.pMask = xglCreateDevicePicture (mask);
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| 	    if (!pScreenPriv->trapInfo.pMask)
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| 		return FALSE;
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| 	}
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|     }
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| 
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|     format = &pScreenPriv->trapInfo.format.vertex;
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|     format->primitive  = GLITZ_PRIMITIVE_QUADS;
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|     format->attributes = GLITZ_VERTEX_ATTRIBUTE_MASK_COORD_MASK;
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| 
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|     format->mask.type	     = GLITZ_DATA_TYPE_FLOAT;
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|     format->mask.size	     = GLITZ_COORDINATE_SIZE_X;
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|     format->bytes_per_vertex = sizeof (glitz_float_t);
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| 
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|     if (pScreenPriv->geometryDataType)
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|     {
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| 	format->type		  = GLITZ_DATA_TYPE_FLOAT;
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| 	format->bytes_per_vertex += 2 * sizeof (glitz_float_t);
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| 	format->mask.offset	  = 2 * sizeof (glitz_float_t);
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|     }
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|     else
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|     {
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| 	format->type		  = GLITZ_DATA_TYPE_SHORT;
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| 	format->bytes_per_vertex += 2 * sizeof (glitz_short_t);
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| 	format->mask.offset	  = 2 * sizeof (glitz_short_t);
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|     }
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| #endif
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| 
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| #ifdef XV
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|     if (!xglXvScreenInit (pScreen))
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|        return FALSE;
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| #endif
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| 
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|     return TRUE;
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| }
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| 
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| Bool
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| xglCloseScreen (int	  index,
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| 		ScreenPtr pScreen)
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| {
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|     xglVisualPtr v;
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| 
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|     XGL_SCREEN_PRIV (pScreen);
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|     XGL_PIXMAP_PRIV (pScreenPriv->pScreenPixmap);
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| 
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| #ifdef RENDER
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|     int i;
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| 
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|     for (i = 0; i < 33; i++)
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| 	xglFiniGlyphCache (&pScreenPriv->glyphCache[i]);
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| 
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|     if (pScreenPriv->pSolidAlpha)
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| 	FreePicture ((pointer) pScreenPriv->pSolidAlpha, 0);
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| 
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|     if (pScreenPriv->trapInfo.pMask)
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| 	FreePicture ((pointer) pScreenPriv->trapInfo.pMask, 0);
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| #endif
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| 
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|     xglFiniPixmap (pScreenPriv->pScreenPixmap);
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|     if (pPixmapPriv->pDamage)
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| 	DamageDestroy (pPixmapPriv->pDamage);
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| 
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|     if (pScreenPriv->surface)
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| 	glitz_surface_destroy (pScreenPriv->surface);
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| 
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|     GEOMETRY_UNINIT (&pScreenPriv->scratchGeometry);
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| 
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|     while (pScreenPriv->pVisual)
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|     {
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| 	v = pScreenPriv->pVisual;
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| 	pScreenPriv->pVisual = v->next;
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| 	xfree (v);
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|     }
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| 
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| #ifdef GLXEXT
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|     while (pScreenPriv->pGlxVisual)
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|     {
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| 	v = pScreenPriv->pGlxVisual;
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| 	pScreenPriv->pGlxVisual = v->next;
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| 	xfree (v);
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|     }
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| #endif
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| 
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|     XGL_SCREEN_UNWRAP (CloseScreen);
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|     xfree (pScreenPriv);
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| 
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|     return (*pScreen->CloseScreen) (index, pScreen);
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| }
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| 
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| #ifdef RENDER
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| void
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| xglCreateSolidAlphaPicture (ScreenPtr pScreen)
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| {
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|     static xRenderColor	solidWhite = { 0xffff, 0xffff, 0xffff, 0xffff };
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|     static xRectangle	one = { 0, 0, 1, 1 };
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|     PixmapPtr		pPixmap;
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|     PictFormatPtr	pFormat;
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|     int			error;
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|     Pixel		pixel;
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|     GCPtr		pGC;
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|     XID			tmpval[2];
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| 
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|     XGL_SCREEN_PRIV (pScreen);
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| 
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|     pFormat = PictureMatchFormat (pScreen, 32, PICT_a8r8g8b8);
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|     if (!pFormat)
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| 	return;
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| 
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|     pGC = GetScratchGC (pFormat->depth, pScreen);
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|     if (!pGC)
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| 	return;
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| 
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|     pPixmap = (*pScreen->CreatePixmap) (pScreen, 1, 1, pFormat->depth);
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|     if (!pPixmap)
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| 	return;
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| 
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|     miRenderColorToPixel (pFormat, &solidWhite, &pixel);
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| 
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|     tmpval[0] = GXcopy;
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|     tmpval[1] = pixel;
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| 
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|     ChangeGC (pGC, GCFunction | GCForeground, tmpval);
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|     ValidateGC (&pPixmap->drawable, pGC);
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|     (*pGC->ops->PolyFillRect) (&pPixmap->drawable, pGC, 1, &one);
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|     FreeScratchGC (pGC);
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| 
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|     tmpval[0] = xTrue;
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|     pScreenPriv->pSolidAlpha = CreatePicture (0, &pPixmap->drawable, pFormat,
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| 					      CPRepeat, tmpval, 0, &error);
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|     (*pScreen->DestroyPixmap) (pPixmap);
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| 
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|     if (pScreenPriv->pSolidAlpha)
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| 	ValidatePicture (pScreenPriv->pSolidAlpha);
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| }
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| #endif
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