1 files changed, 135 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.h b/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.h
new file mode 100644
index 000000000..d5d95aa8f
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ *
+ * 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, sub license,
+ * 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS 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.
+ */
+
+#ifndef _VIAIOCTL_H
+#define _VIAIOCTL_H
+
+#include "via_context.h"
+
+
+void viaFinishPrimitive(struct via_context *vmesa);
+void viaFlushDma(struct via_context *vmesa);
+void viaFlushDmaLocked(struct via_context *vmesa, GLuint flags);
+
+void viaInitIoctlFuncs(GLcontext *ctx);
+void viaCopyBuffer(const __DRIdrawablePrivate *dpriv);
+void viaPageFlip(const __DRIdrawablePrivate *dpriv);
+void viaCheckDma(struct via_context *vmesa, GLuint bytes);
+void viaResetPageFlippingLocked(struct via_context *vmesa);
+void viaWaitIdle(struct via_context *vmesa, GLboolean light);
+void viaWaitIdleLocked(struct via_context *vmesa, GLboolean light);
+
+GLboolean viaCheckBreadcrumb( struct via_context *vmesa, GLuint value );
+void viaEmitBreadcrumb( struct via_context *vmesa );
+
+
+#define VIA_FINISH_PRIM(vmesa) do {		\
+   if (vmesa->dmaLastPrim)			\
+      viaFinishPrimitive( vmesa );		\
+} while (0)
+
+#define VIA_FLUSH_DMA(vmesa) do {		\
+   VIA_FINISH_PRIM(vmesa);			\
+   if (vmesa->dmaLow) 		\
+      viaFlushDma(vmesa);			\
+} while (0)
+    
+
+void viaWrapPrimitive( struct via_context *vmesa );
+
+static __inline__ GLuint *viaAllocDma(struct via_context *vmesa, int bytes)
+{
+   if (vmesa->dmaLow + bytes > VIA_DMA_HIGHWATER) {
+      viaFlushDma(vmesa);
+   }
+
+   {
+      GLuint *start = (GLuint *)(vmesa->dma + vmesa->dmaLow);
+      vmesa->dmaLow += bytes;
+      return start;
+   }
+}
+
+
+static GLuint __inline__ *viaExtendPrimitive(struct via_context *vmesa, int bytes)
+{
+   if (vmesa->dmaLow + bytes > VIA_DMA_HIGHWATER) {
+      viaWrapPrimitive(vmesa);
+   }
+
+   {
+      GLuint *start = (GLuint *)(vmesa->dma + vmesa->dmaLow);
+      vmesa->dmaLow += bytes;
+      return start;
+   }
+}
+
+
+
+
+#define RING_VARS GLuint *_vb = 0, _nr, _x;
+
+#define BEGIN_RING(n) do {				\
+   if (_vb != 0) abort();				\
+   _vb = viaAllocDma(vmesa, (n) * sizeof(GLuint));	\
+   _nr = (n);						\
+   _x = 0;						\
+} while (0)
+
+#define BEGIN_RING_NOCHECK(n) do {			\
+   if (_vb != 0) abort();				\
+   _vb = (GLuint *)(vmesa->dma + vmesa->dmaLow);	\
+   vmesa->dmaLow += (n) * sizeof(GLuint);		\
+   _nr = (n);						\
+   _x = 0;						\
+} while (0)
+
+#define OUT_RING(n) _vb[_x++] = (n)
+
+#define ADVANCE_RING() do {			\
+   if (_x != _nr) abort(); 			\
+   _vb = 0;						\
+} while (0)
+
+#define ADVANCE_RING_VARIABLE() do {			\
+   if (_x > _nr) abort();				\
+   vmesa->dmaLow -= (_nr - _x) * sizeof(GLuint);	\
+   _vb = 0;						\
+} while (0)
+
+
+#define QWORD_PAD_RING() do {			\
+   if (vmesa->dmaLow & 0x4) {			\
+      BEGIN_RING(1);				\
+      OUT_RING(HC_DUMMY);			\
+      ADVANCE_RING();				\
+   }						\
+} while (0)
+
+#define VIA_GEQ_WRAP(left, right) \
+  (((left) - (right)) < ( 1 << 23))
+    
+
+
+#endif