G80: EXA infrastructure.

No acceleration yet.

1 files changed, 102 insertions, 0 deletions

diff --git a/src/g80_exa.c b/src/g80_exa.c
new file mode 100644
index 0000000..7f487ff
--- /dev/null
+++ b/src/g80_exa.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2007 NVIDIA, Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "g80_type.h"
+#include "g80_dma.h"
+
+static void
+waitMarker(ScreenPtr pScreen, int marker)
+{
+    G80Sync(xf86Screens[pScreen->myNum]);
+}
+
+static Bool
+prepareSolid(PixmapPtr      pPixmap,
+             int            alu,
+             Pixel          planemask,
+             Pixel          fg)
+{
+    return FALSE;
+}
+
+static Bool
+checkComposite(int          op,
+               PicturePtr   pSrcPicture,
+               PicturePtr   pMaskPicture,
+               PicturePtr   pDstPicture)
+{
+    return FALSE;
+}
+
+static Bool
+prepareCopy(PixmapPtr       pSrcPixmap,
+            PixmapPtr       pDstPixmap,
+            int             dx,
+            int             dy,
+            int             alu,
+            Pixel           planemask)
+{
+    return FALSE;
+}
+
+Bool G80ExaInit(ScreenPtr pScreen, ScrnInfoPtr pScrn)
+{
+    G80Ptr pNv = G80PTR(pScrn);
+    ExaDriverPtr exa;
+    const int pitch = pScrn->displayWidth * (pScrn->bitsPerPixel / 8);
+
+    exa = pNv->exa = exaDriverAlloc();
+    if(!exa) return FALSE;
+
+    exa->exa_major         = EXA_VERSION_MAJOR;
+    exa->exa_minor         = EXA_VERSION_MINOR;
+    exa->memoryBase        = pNv->mem;
+    exa->offScreenBase     = pitch * pScrn->virtualY;
+    exa->memorySize        = pitch * pNv->offscreenHeight;
+    exa->pixmapOffsetAlign = 256;
+    exa->pixmapPitchAlign  = 256;
+    exa->flags             = EXA_OFFSCREEN_PIXMAPS;
+    exa->maxX              = 8192;
+    exa->maxY              = 8192;
+
+    /**** Rendering ops ****/
+    exa->PrepareSolid     = prepareSolid;
+    //exa->Solid            = solid;
+    //exa->DoneSolid        = doneSolid;
+    exa->PrepareCopy      = prepareCopy;
+    //exa->Copy             = copy;
+    //exa->DoneCopy         = doneCopy;
+    exa->CheckComposite   = checkComposite;
+    //exa->PrepareComposite = prepareComposite;
+    //exa->Composite        = composite;
+    //exa->DoneComposite    = doneComposite;
+
+    exa->WaitMarker       = waitMarker;
+
+    return exaDriverInit(pScreen, exa);
+}