Add xdri files to SourceForge CVS repository.

2 files changed, 148 insertions, 0 deletions

diff --git a/xc/lib/GL/mesa/src/X/xdri.c b/xc/lib/GL/mesa/src/X/xdri.c
new file mode 100644
index 000000000..9adf0bf2c
--- /dev/null
+++ b/xc/lib/GL/mesa/src/X/xdri.c
@@ -0,0 +1,111 @@
+
+#if defined(GLX_DIRECT_RENDERING) 
+
+/* Mesa includes
+ */
+#ifdef HAVE_CONFIG_H
+#include "conf.h"
+#endif
+
+#include "GL/xmesa.h"
+#include "xmesaP.h"
+#include "context.h"
+#include "macros.h"
+#include "matrix.h"
+#include "types.h"
+
+/* Direct rendering includes
+ */
+#include "dri_mesaint.h"
+
+
+void XMesaDriSwapBuffers( XMesaBuffer b )
+{
+   __DRIdrawablePrivate *pdp = b->driDrawPriv;
+   __DRIscreenPrivate *psp = pdp->driScreenPriv;
+   drmContext hHWContext = pdp->driContextPriv->hHWContext;
+
+   /*
+   ** Grab the lock and make sure drawable info is still
+   ** up to date.
+   */
+   DRM_LIGHT_LOCK(psp->fd, &psp->pSAREA->lock, hHWContext);
+   XMESA_VALIDATE_DRAWABLE_INFO(b->display, psp, pdp);
+
+   /* Copy back image to front buffer */
+   if (pdp->numClipRects) {
+      int numClipRects = pdp->numClipRects;
+      XF86DRIClipRectPtr pRect = pdp->pClipRects;
+      int y;
+      GLbyte *s8, *d8;
+      GLuint *s32, *d32;
+
+      while (numClipRects--) {
+	 int w = pRect->x2-pRect->x1;
+
+	 switch (psp->fbBPP) {
+	 case 8:
+	    for (y = pRect->y1; y < pRect->y2; y++) {
+	       s8 = (GLbyte *)b->backimage->data +
+		  y*b->backimage->bytes_per_line +
+		  pRect->x1;
+	       d8 = (GLbyte *)psp->pFB + psp->fbOrigin +
+		  (pdp->y + y)*psp->fbStride +
+		  pdp->x + pRect->x1;
+	       memcpy(d8, s8, w);
+	    }
+	    break;
+	 case 15:
+	 case 16:
+	    break;
+	 case 24:
+	    break;
+	 case 32:
+	    for (y = pRect->y1; y < pRect->y2; y++) {
+	       /* These are calculated in GLbytes */
+	       s8 = (GLbyte *)b->backimage->data +
+		  (y - pdp->y)*b->backimage->bytes_per_line;
+	       d8 = (GLbyte *)psp->pFB + psp->fbOrigin +
+		  y*psp->fbStride;
+	       s32 = (GLuint *)s8;
+	       d32 = (GLuint *)d8;
+	       /* These are calculated in GLuints */
+	       s32 += (pRect->x1 - pdp->x);
+	       d32 += pRect->x1;
+	       memcpy(d32, s32, w<<2);
+	    }
+	    break;
+	 }
+
+	 pRect++;
+      }
+   }
+   /* Unlock the screen */
+   DRM_UNLOCK(psp->fd, &psp->pSAREA->lock, hHWContext);
+}
+
+
+
+/*
+ * Initialize the XMesa driver.
+ */
+GLboolean XMesaInitDriver( __DRIscreenPrivate *driScrnPriv )
+{
+    return GL_TRUE;
+}
+
+/*
+ * Reset the XMesa driver when the X server resets.
+ */
+void XMesaResetDriver( __DRIscreenPrivate *driScrnPriv )
+{
+}
+
+#else
+
+extern void i_hate_these_stupid_dummy_functions();
+void i_hate_these_stupid_dummy_functions()
+{
+}
+
+#endif
diff --git a/xc/lib/GL/mesa/src/X/xdriP.h b/xc/lib/GL/mesa/src/X/xdriP.h
new file mode 100644
index 000000000..484ee7f23
--- /dev/null
+++ b/xc/lib/GL/mesa/src/X/xdriP.h
@@ -0,0 +1,37 @@
+#ifndef _XDRI_P_H
+#define _XDRI_P_H
+
+/* Direct rendering includes
+ */
+#include "dri_mesaint.h"
+
+
+/*
+ * Direct rendering macros:
+ */
+#define XMESA_VALIDATE_DRAWABLE_INFO(dpy, psp, pdp)                     \
+do {                                                                    \
+    while (*(pdp->pStamp) != pdp->lastStamp) {                          \
+	DRM_UNLOCK(psp->fd, &psp->pSAREA->lock,                         \
+		   pdp->driContextPriv->hHWContext);                    \
+                                                                        \
+	DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);     \
+	DRI_MESA_VALIDATE_DRAWABLE_INFO(dpy, psp->myNum, pdp);          \
+	DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);   \
+                                                                        \
+	DRM_LIGHT_LOCK(psp->fd, &psp->pSAREA->lock,                     \
+		       pdp->driContextPriv->hHWContext);                \
+    }                                                                   \
+} while (0)
+
+
+
+#define DRI_DRAWABLE_ARG , __DRIdrawablePrivate *driDrawPriv
+#define DRI_DRAWABLE_PARM , driDrawPriv
+
+#define DRI_CTX_ARG , __DRIcontextPrivate *driContextPriv
+
+
+extern void XMesaDriSwapBuffers( XMesaBuffer b );
+
+#endif