Via Unichrome/cle266 driver (Erdi Chen)

1 files changed, 88 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/unichrome/via_ioctl.h b/src/mesa/drivers/dri/unichrome/via_ioctl.h
new file mode 100644
index 0000000000..e9030e6308
--- /dev/null
+++ b/src/mesa/drivers/dri/unichrome/via_ioctl.h
@@ -0,0 +1,88 @@
+/*
+ * 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 viaEmitPrim(viaContextPtr vmesa);
+void viaFlushPrims(viaContextPtr vmesa);
+void viaFlushPrimsLocked(viaContextPtr vmesa);
+
+void viaDmaFinish(viaContextPtr vmesa);
+void viaRegetLockQuiescent(viaContextPtr vmesa);
+void viaInitIoctlFuncs(GLcontext *ctx);
+void viaCopyBuffer(const __DRIdrawablePrivate *dpriv);
+void viaPageFlip(const __DRIdrawablePrivate *dpriv);
+int via_check_copy(int fd);
+void viaFillFrontBuffer(viaContextPtr vmesa);
+void viaFillFrontBufferSaam(viaContextPtr vmesa);
+void viaFillFrontPBuffer(viaContextPtr vmesa);
+void viaFillBackBuffer(viaContextPtr vmesa);
+void viaFillDepthBuffer(viaContextPtr vmesa, GLuint pixel);
+void viaFillStencilBuffer(viaContextPtr vmesa, GLuint pixel);
+void viaFillStencilDepthBuffer(viaContextPtr vmesa, GLuint pixel);
+void viaDoSwapBuffers(viaContextPtr vmesa);
+void viaDoSwapBuffersSaam(viaContextPtr vmesa);
+void viaDoSwapBufferSoft(viaContextPtr vmesa);
+void viaDoSwapBufferSoftFront(viaContextPtr vmesa);
+void viaDoSwapPBuffers(viaContextPtr vmesa);
+
+int flush_agp(viaContextPtr vmesa, drm_via_flush_agp_t* agpCmd); 
+int flush_agp_saam(viaContextPtr vmesa, drm_via_flush_agp_t* agpCmd); 
+int flush_sys(viaContextPtr vmesa, drm_via_flush_sys_t* buf); 
+
+#define VIA_STATECHANGE(vmesa, flag)                            \
+    do {                                                        \
+        if (vmesa->dmaLow != vmesa->dmaLastPrim)                \
+            viaFlushPrims(vmesa);                               \
+        vmesa->dirty |= flag;                                   \
+    } while (0)                                                 \
+
+
+#define VIA_FIREVERTICES(vmesa)                                 \
+    do {                                                        \
+        if (vmesa->dmaLow) {                                    \
+            viaFlushPrims(vmesa);                               \
+        }                                                       \
+    } while (0)
+    
+
+static __inline GLuint *viaCheckDma(viaContextPtr vmesa, int bytes)
+{
+    if (vmesa->dmaLow + bytes > vmesa->dmaHigh) {
+#ifdef DEBUG
+	if (VIA_DEBUG) fprintf(stderr, "buffer overflow in check dma = %d + %d = %d\n", vmesa->dmaLow, bytes, vmesa->dmaLow + bytes);
+#endif
+	viaFlushPrims(vmesa);
+    }
+
+    {
+        GLuint *start = (GLuint *)(vmesa->dmaAddr + vmesa->dmaLow);
+        return start;
+    }
+}
+#endif