Initial revision

1 files changed, 201 insertions, 0 deletions

diff --git a/hw/xfree86/common/xf86xvmc.c b/hw/xfree86/common/xf86xvmc.c
new file mode 100644
index 000000000..4559359ec
--- /dev/null
+++ b/hw/xfree86/common/xf86xvmc.c
@@ -0,0 +1,201 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86xvmc.c,v 1.3 2001/04/01 14:00:08 tsi Exp $ */
+
+#include "misc.h"
+#include "xf86.h"
+#include "xf86_OSproc.h"
+
+#include "X.h"
+#include "Xproto.h"
+#include "scrnintstr.h"
+#include "resource.h"
+#include "dixstruct.h"
+
+#ifdef XFree86LOADER
+#include "xvmodproc.h"
+#endif
+
+#include "xf86xvmc.h"
+
+#ifdef XFree86LOADER
+int (*XvMCScreenInitProc)(ScreenPtr, int, XvMCAdaptorPtr) = NULL;
+#else
+int (*XvMCScreenInitProc)(ScreenPtr, int, XvMCAdaptorPtr) = XvMCScreenInit;
+#endif
+
+
+typedef struct {
+  CloseScreenProcPtr CloseScreen; 
+  int num_adaptors;
+  XF86MCAdaptorPtr *adaptors;
+  XvMCAdaptorPtr dixinfo;
+} xf86XvMCScreenRec, *xf86XvMCScreenPtr;
+
+static unsigned long XF86XvMCGeneration = 0;
+static int XF86XvMCScreenIndex = -1;
+
+#define XF86XVMC_GET_PRIVATE(pScreen) \
+   (xf86XvMCScreenPtr)((pScreen)->devPrivates[XF86XvMCScreenIndex].ptr)
+
+
+static int 
+xf86XvMCCreateContext (
+  XvPortPtr pPort,
+  XvMCContextPtr pContext,
+  int *num_priv,
+  CARD32 **priv
+)
+{
+    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
+    ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];
+
+    pContext->port_priv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);
+
+    return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateContext)(
+		pScrn, pContext, num_priv, priv);
+}
+
+static void 
+xf86XvMCDestroyContext ( XvMCContextPtr pContext)
+{
+    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
+    ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];
+
+    (*pScreenPriv->adaptors[pContext->adapt_num]->DestroyContext)(
+                				pScrn, pContext);
+}
+
+static int 
+xf86XvMCCreateSurface (
+  XvMCSurfacePtr pSurface,
+  int *num_priv,
+  CARD32 **priv
+)
+{
+    XvMCContextPtr pContext = pSurface->context;
+    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
+    ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];
+
+    return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateSurface)(
+                pScrn, pSurface, num_priv, priv);
+}
+
+static void 
+xf86XvMCDestroySurface (XvMCSurfacePtr pSurface)
+{
+    XvMCContextPtr pContext = pSurface->context;
+    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
+    ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];
+
+    (*pScreenPriv->adaptors[pContext->adapt_num]->DestroySurface)(
+                                                pScrn, pSurface);
+}
+
+static int 
+xf86XvMCCreateSubpicture (
+  XvMCSubpicturePtr pSubpicture,
+  int *num_priv,
+  CARD32 **priv
+)
+{
+    XvMCContextPtr pContext = pSubpicture->context;
+    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
+    ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];
+
+    return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateSubpicture)(
+                                  pScrn, pSubpicture, num_priv, priv);
+}
+
+static void
+xf86XvMCDestroySubpicture (XvMCSubpicturePtr pSubpicture)
+{
+    XvMCContextPtr pContext = pSubpicture->context;
+    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
+    ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];
+
+    (*pScreenPriv->adaptors[pContext->adapt_num]->DestroySubpicture)(
+                                                pScrn, pSubpicture);
+}
+
+
+static Bool
+xf86XvMCCloseScreen (int i, ScreenPtr pScreen)
+{
+    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pScreen);
+
+    pScreen->CloseScreen = pScreenPriv->CloseScreen;
+
+    xfree(pScreenPriv->dixinfo);
+    xfree(pScreenPriv);
+
+    return (*pScreen->CloseScreen)(i, pScreen);
+}
+
+Bool xf86XvMCScreenInit(
+   ScreenPtr pScreen, 
+   int num_adaptors,
+   XF86MCAdaptorPtr *adaptors
+)
+{
+   XvMCAdaptorPtr pAdapt;
+   xf86XvMCScreenPtr pScreenPriv;
+   XvScreenPtr pxvs = 
+	(XvScreenPtr)(pScreen->devPrivates[XF86XvScreenIndex].ptr);
+
+   int i, j;
+
+   if(!XvMCScreenInitProc) return FALSE;
+
+   if(XF86XvMCGeneration != serverGeneration) {
+	if((XF86XvMCScreenIndex = AllocateScreenPrivateIndex()) < 0)
+	   return FALSE;
+	XF86XvMCGeneration = serverGeneration;
+   }
+
+   if(!(pAdapt = xalloc(sizeof(XvMCAdaptorRec) * num_adaptors)))
+	return FALSE;
+
+   if(!(pScreenPriv = xalloc(sizeof(xf86XvMCScreenRec)))) {
+	xfree(pAdapt);
+	return FALSE;
+   }
+
+   pScreen->devPrivates[XF86XvMCScreenIndex].ptr = (pointer)pScreenPriv; 
+
+   pScreenPriv->CloseScreen = pScreen->CloseScreen;
+   pScreen->CloseScreen = xf86XvMCCloseScreen;
+
+   pScreenPriv->num_adaptors = num_adaptors;
+   pScreenPriv->adaptors = adaptors;
+   pScreenPriv->dixinfo = pAdapt;
+
+   for(i = 0; i < num_adaptors; i++) {
+	pAdapt[i].xv_adaptor = NULL;
+	for(j = 0; j < pxvs->nAdaptors; j++) {
+	   if(!strcmp((*adaptors)->name, pxvs->pAdaptors[j].name)) {
+		pAdapt[i].xv_adaptor = &(pxvs->pAdaptors[j]); 
+		break;
+	   }
+	}
+	if(!pAdapt[i].xv_adaptor) {
+	    /* no adaptor by that name */
+	    xfree(pAdapt);
+	    return FALSE;
+	}
+	pAdapt[i].num_surfaces = (*adaptors)->num_surfaces;
+	pAdapt[i].surfaces = (XvMCSurfaceInfoPtr*)((*adaptors)->surfaces);
+	pAdapt[i].num_subpictures = (*adaptors)->num_subpictures;
+	pAdapt[i].subpictures = (XvImagePtr*)((*adaptors)->subpictures);
+	pAdapt[i].CreateContext = xf86XvMCCreateContext;
+	pAdapt[i].DestroyContext = xf86XvMCDestroyContext;
+	pAdapt[i].CreateSurface = xf86XvMCCreateSurface;
+	pAdapt[i].DestroySurface = xf86XvMCDestroySurface;
+	pAdapt[i].CreateSubpicture = xf86XvMCCreateSubpicture;
+	pAdapt[i].DestroySubpicture = xf86XvMCDestroySubpicture;
+	adaptors++;
+   }
+
+   if(Success != (*XvMCScreenInitProc)(pScreen, num_adaptors, pAdapt))
+	return FALSE;
+
+   return TRUE;
+}