Initial revisionXORG-STABLE

1 files changed, 146 insertions, 0 deletions

diff --git a/src/i830_dri.h b/src/i830_dri.h
new file mode 100644
index 00000000..b60c7201
--- /dev/null
+++ b/src/i830_dri.h
@@ -0,0 +1,146 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i830_dri.h,v 1.5 2002/12/10 01:27:05 dawes Exp $ */
+
+#ifndef _I830_DRI_H
+#define _I830_DRI_H
+
+#include "xf86drm.h"
+#include "i830_common.h"
+
+#define I830_MAX_DRAWABLES 256
+
+#define I830_MAJOR_VERSION 1
+#define I830_MINOR_VERSION 3
+#define I830_PATCHLEVEL 0
+
+#define I830_REG_SIZE 0x80000
+
+typedef struct _I830DRIRec {
+   drmHandle regs;
+   drmSize regsSize;
+   drmAddress regsMap;
+
+   drmSize backbufferSize;
+   drmHandle backbuffer;
+
+   drmSize depthbufferSize;
+   drmHandle depthbuffer;
+
+   drmHandle textures;
+   int textureSize;
+
+   drmHandle agp_buffers;
+   drmSize agp_buf_size;
+
+   int deviceID;
+   int width;
+   int height;
+   int mem;
+   int cpp;
+   int bitsPerPixel;
+   int fbOffset;
+   int fbStride;
+
+   int backOffset;
+   int depthOffset;
+
+   int auxPitch;
+   int auxPitchBits;
+
+   int logTextureGranularity;
+   int textureOffset;
+
+   /* For non-dma direct rendering.
+    */
+   int ringOffset;
+   int ringSize;
+
+   drmBufMapPtr drmBufs;
+   int irq;
+   int sarea_priv_offset;
+} I830DRIRec, *I830DRIPtr;
+
+typedef struct {
+   /* Nothing here yet */
+   int dummy;
+} I830ConfigPrivRec, *I830ConfigPrivPtr;
+
+typedef struct {
+   /* Nothing here yet */
+   int dummy;
+} I830DRIContextRec, *I830DRIContextPtr;
+
+/* Warning: If you change the SAREA structure you must change the kernel
+ * structure as well */
+
+typedef struct _I830TexRegion {
+   unsigned char next, prev;		/* indices to form a circular LRU  */
+   unsigned char in_use;		/* owned by a client, or free? */
+   int age;				/* tracked by clients to update local LRU's */
+} I830TexRegion;
+
+typedef struct _I830SAREA {
+   unsigned int ContextState[I830_CTX_SETUP_SIZE];
+   unsigned int BufferState[I830_DEST_SETUP_SIZE];
+   unsigned int TexState[I830_TEXTURE_COUNT][I830_TEX_SETUP_SIZE];
+   unsigned int TexBlendState[I830_TEXBLEND_COUNT][I830_TEXBLEND_SIZE];
+   unsigned int TexBlendStateWordsUsed[I830_TEXBLEND_COUNT];
+   unsigned int Palette[2][256];
+   unsigned int dirty;
+
+   unsigned int nbox;
+   XF86DRIClipRectRec boxes[I830_NR_SAREA_CLIPRECTS];
+
+   /* Maintain an LRU of contiguous regions of texture space.  If
+    * you think you own a region of texture memory, and it has an
+    * age different to the one you set, then you are mistaken and
+    * it has been stolen by another client.  If global texAge
+    * hasn't changed, there is no need to walk the list.
+    *
+    * These regions can be used as a proxy for the fine-grained
+    * texture information of other clients - by maintaining them
+    * in the same lru which is used to age their own textures,
+    * clients have an approximate lru for the whole of global
+    * texture space, and can make informed decisions as to which
+    * areas to kick out.  There is no need to choose whether to
+    * kick out your own texture or someone else's - simply eject
+    * them all in LRU order.  
+    */
+
+   I830TexRegion texList[I830_NR_TEX_REGIONS + 1];
+   /* Last elt is sentinal */
+   int texAge;				/* last time texture was uploaded */
+   int last_enqueue;			/* last time a buffer was enqueued */
+   int last_dispatch;			/* age of the most recently dispatched buffer */
+   int last_quiescent;			/*  */
+   int ctxOwner;			/* last context to upload state */
+
+   int vertex_prim;
+
+   int pf_enabled;                  /* is pageflipping allowed? */
+   int pf_active;                   /* is pageflipping active right now? */
+   int pf_current_page; 	    /* which buffer is being displayed? */
+
+   int perf_boxes;             /* performance boxes to be displayed */
+
+   /* Here's the state for texunits 2,3:
+    */
+   unsigned int TexState2[I830_TEX_SETUP_SIZE];
+   unsigned int TexBlendState2[I830_TEXBLEND_SIZE];
+   unsigned int TexBlendStateWordsUsed2;
+
+   unsigned int TexState3[I830_TEX_SETUP_SIZE];
+   unsigned int TexBlendState3[I830_TEXBLEND_SIZE];
+   unsigned int TexBlendStateWordsUsed3;
+   
+   unsigned int StippleState[I830_STP_SETUP_SIZE];
+} I830SAREARec, *I830SAREAPtr;
+
+/* Flags for perf_boxes
+ */
+#define I830_BOX_RING_EMPTY    0x1 /* populated by kernel */
+#define I830_BOX_FLIP          0x2 /* populated by kernel */
+#define I830_BOX_WAIT          0x4 /* populated by kernel & client */
+#define I830_BOX_TEXTURE_LOAD  0x8 /* populated by kernel */
+#define I830_BOX_LOST_CONTEXT  0x10 /* populated by client */
+
+#endif