1 files changed, 99 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/s3v/s3v_screen.c b/src/mesa/drivers/dri/s3v/s3v_screen.c
new file mode 100644
index 00000000000..f1810597e6f
--- /dev/null
+++ b/src/mesa/drivers/dri/s3v/s3v_screen.c
@@ -0,0 +1,99 @@
+/*
+ * Author: Max Lingua <sunmax@libero.it>
+ */
+
+#include "s3v_context.h"
+#include "s3v_vb.h"
+#include "s3v_dri.h" 
+
+s3vScreenPtr s3vCreateScreen( __DRIscreenPrivate *sPriv )
+{
+   s3vScreenPtr s3vScreen;
+   S3VDRIPtr vDRIPriv = (S3VDRIPtr)sPriv->pDevPriv;
+
+/*   int i; */
+
+   DEBUG(("s3vCreateScreen\n"));
+   DEBUG(("sPriv->pDevPriv at %p\n", sPriv->pDevPriv));
+   DEBUG(("size = %i\n", sizeof(*vDRIPriv)));
+
+   if (sPriv->devPrivSize != sizeof(S3VDRIRec)) {
+      fprintf(stderr,"\nERROR!  sizeof(S3VDRIRec) does not match passed size from device driver\n");
+      return GL_FALSE;
+   }
+
+   /* Allocate the private area */
+   s3vScreen = (s3vScreenPtr) CALLOC( sizeof(*s3vScreen) );
+   if ( !s3vScreen ) return NULL;
+
+   s3vScreen->regionCount  = 4;	/* Magic number.  Can we fix this? */
+    
+   s3vScreen->regions = _mesa_malloc(s3vScreen->regionCount * 
+							sizeof(s3vRegion));
+   DEBUG(("sPriv->fd = %i\nvDRIPriv->dmaBufHandle = %x\n",
+      sPriv->fd, vDRIPriv->dmaBufHandle));
+
+   DEBUG(("vDRIPriv->dmaBufSize=%i\nvDRIPriv->dmaBuf=%p\n",
+      vDRIPriv->dmaBufSize, vDRIPriv->dmaBuf));
+
+
+   /* Get the list of dma buffers */
+   s3vScreen->bufs = drmMapBufs(sPriv->fd);
+
+   if (!s3vScreen->bufs) {
+      DEBUG(("Helter/skelter with drmMapBufs\n"));
+      return GL_FALSE; 
+   }
+
+   s3vScreen->textureSize		    = vDRIPriv->texSize;
+   s3vScreen->logTextureGranularity = vDRIPriv->logTextureGranularity;
+   s3vScreen->cpp 					= vDRIPriv->cpp;
+   s3vScreen->frontOffset			= vDRIPriv->frontOffset;
+   s3vScreen->frontPitch			= vDRIPriv->frontPitch;
+   s3vScreen->backOffset			= vDRIPriv->backOffset;
+   s3vScreen->backPitch				= vDRIPriv->frontPitch; /* FIXME: check */
+   s3vScreen->depthOffset			= vDRIPriv->depthOffset;
+   s3vScreen->depthPitch			= vDRIPriv->frontPitch;
+   s3vScreen->texOffset				= vDRIPriv->texOffset;
+
+   s3vScreen->driScreen = sPriv;
+
+   DEBUG(("vDRIPriv->width =%i; vDRIPriv->deviceID =%x\n", vDRIPriv->width,
+		  vDRIPriv->deviceID));
+   DEBUG(("vDRIPriv->mem =%i\n", vDRIPriv->mem));
+   DEBUG(("vDRIPriv->fbOffset =%i\n", vDRIPriv->fbOffset));
+   DEBUG((" ps3vDRI->fbStride =%i\n", vDRIPriv->fbStride));
+   DEBUG(("s3vScreen->cpp = %i\n", s3vScreen->cpp));
+   DEBUG(("s3vScreen->backOffset = %x\n", s3vScreen->backOffset));
+   DEBUG(("s3vScreen->depthOffset = %x\n", s3vScreen->depthOffset));
+   DEBUG(("s3vScreen->texOffset = %x\n", s3vScreen->texOffset));
+   DEBUG(("I will return from s3vCreateScreen now\n"));
+   
+   DEBUG(("s3vScreen->bufs = 0x%x\n", s3vScreen->bufs));
+   return s3vScreen;
+}
+
+/* Destroy the device specific screen private data struct.
+ */
+void s3vDestroyScreen( __DRIscreenPrivate *sPriv )
+{
+    s3vScreenPtr s3vScreen = (s3vScreenPtr)sPriv->private;
+
+    DEBUG(("s3vDestroyScreen\n"));
+
+    /* First, unmap the dma buffers */
+/*
+    drmUnmapBufs( s3vScreen->bufs );
+*/
+    /* Next, unmap all the regions */
+/*    while (s3vScreen->regionCount > 0) { 
+
+	(void)drmUnmap(s3vScreen->regions[s3vScreen->regionCount].map,
+		       s3vScreen->regions[s3vScreen->regionCount].size);
+	s3vScreen->regionCount--;
+
+    }
+    FREE(s3vScreen->regions); */
+	if (s3vScreen)
+	    FREE(s3vScreen);
+}