src/parsec/disk-image/parsec/parsec-benchmark/pkgs/libs/mesa/src/src/mesa/drivers/dri/unichrome/via_context.h - public/gem5-resources - Git at Google

 /*
  * 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 _VIACONTEXT_H
 #define _VIACONTEXT_H

 #include "dri_util.h"

 #include "mtypes.h"
 #include "drm.h"
 #include "mm.h"
 #include "tnl/t_vertex.h"

 #include "via_screen.h"
 #include "via_tex.h"
 #include "via_drm.h"

 struct via_context;

 /* Chip tags.  These are used to group the adapters into
  * related families.
  */
 enum VIACHIPTAGS {
     VIA_UNKNOWN = 0,
     VIA_CLE266,
     VIA_KM400,
     VIA_K8M800,
     VIA_PM800,
     VIA_LAST
 };

 #define VIA_FALLBACK_TEXTURE           	0x1
 #define VIA_FALLBACK_DRAW_BUFFER       	0x2
 #define VIA_FALLBACK_READ_BUFFER       	0x4
 #define VIA_FALLBACK_COLORMASK         	0x8
 #define VIA_FALLBACK_SPECULAR          	0x20
 #define VIA_FALLBACK_LOGICOP           	0x40
 #define VIA_FALLBACK_RENDERMODE        	0x80
 #define VIA_FALLBACK_STENCIL           	0x100
 #define VIA_FALLBACK_BLEND_EQ          	0x200
 #define VIA_FALLBACK_BLEND_FUNC        	0x400
 #define VIA_FALLBACK_USER_DISABLE      	0x800
 #define VIA_FALLBACK_PROJ_TEXTURE      	0x1000
 #define VIA_FALLBACK_POLY_STIPPLE	0x2000

 #define VIA_DMA_BUFSIZ                  4096
 #define VIA_DMA_HIGHWATER               (VIA_DMA_BUFSIZ - 128)

 #define VIA_NO_CLIPRECTS 0x1


 /* Use the templated vertex formats:
  */
 #define TAG(x) via##x
 #include "tnl_dd/t_dd_vertex.h"
 #undef TAG

 typedef void (*via_tri_func)(struct via_context *, viaVertex *, viaVertex *,
                              viaVertex *);
 typedef void (*via_line_func)(struct via_context *, viaVertex *, viaVertex *);
 typedef void (*via_point_func)(struct via_context *, viaVertex *);

 /**
  * Derived from gl_renderbuffer.
  */
 struct via_renderbuffer {
    struct gl_renderbuffer Base;  /* must be first! */
    drm_handle_t handle;
    drmSize size;
    unsigned long offset;
    unsigned long index;
    GLuint pitch;
    GLuint bpp;
    char *map;
    GLuint orig;		/* The drawing origin,
 			 * at (drawX,drawY) in screen space.
 			 */
    char *origMap;

    int drawX;                   /* origin of drawable in draw buffer */
    int drawY;
    int drawW;
    int drawH;

    __DRIdrawablePrivate *dPriv;
 };


 #define VIA_MAX_TEXLEVELS	10

 struct via_tex_buffer {
    struct via_tex_buffer *next, *prev;
    struct via_texture_image *image;
    unsigned long index;
    unsigned long offset;
    GLuint size;
    GLuint memType;
    unsigned char *bufAddr;
    GLuint texBase;
    GLuint lastUsed;
 };


 struct via_texture_image {
    struct gl_texture_image image;
    struct via_tex_buffer *texMem;
    GLint pitchLog2;
 };

 struct via_texture_object {
    struct gl_texture_object obj; /* The "parent" object */

    GLuint texelBytes;
    GLuint memType;

    GLuint regTexFM;
    GLuint regTexWidthLog2[2];
    GLuint regTexHeightLog2[2];
    GLuint regTexBaseH[4];
    struct {
       GLuint baseL;
       GLuint pitchLog2;
    } regTexBaseAndPitch[12];

    GLint firstLevel, lastLevel;  /* upload tObj->Image[first .. lastLevel] */
 };


 struct via_context {
    GLint refcount;
    GLcontext *glCtx;
    GLcontext *shareCtx;

    /* XXX These don't belong here.  They should be per-drawable state. */
    struct via_renderbuffer front;
    struct via_renderbuffer back;
    struct via_renderbuffer depth;
    struct via_renderbuffer stencil; /* mirrors depth */
    struct via_renderbuffer breadcrumb;

    GLboolean hasBack;
    GLboolean hasDepth;
    GLboolean hasStencil;
    GLboolean hasAccum;
    GLuint    depthBits;
    GLuint    stencilBits;

    GLboolean have_hw_stencil;
    GLuint ClearDepth;
    GLuint depth_clear_mask;
    GLuint stencil_clear_mask;
    GLfloat depth_max;
    GLfloat polygon_offset_scale;

    GLubyte    *dma;
    viaRegion tex;

    /* Bit flag to keep 0track of fallbacks.
     */
    GLuint Fallback;

    /* State for via_tris.c.
     */
    GLuint newState;            /* _NEW_* flags */
    GLuint newEmitState;            /* _NEW_* flags */
    GLuint newRenderState;            /* _NEW_* flags */

    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
    GLuint vertex_attr_count;

    GLuint setupIndex;
    GLuint renderIndex;
    GLmatrix ViewportMatrix;
    GLenum renderPrimitive;
    GLenum hwPrimitive;
    GLenum hwShadeModel;
    unsigned char *verts;

    /* drmBufPtr dma_buffer;
     */
    GLuint dmaLow;
    GLuint dmaCliprectAddr;
    GLuint dmaLastPrim;
    GLboolean useAgp;


    /* Fallback rasterization functions
     */
    via_point_func drawPoint;
    via_line_func drawLine;
    via_tri_func drawTri;

    /* Hardware register
     */
    GLuint regCmdA_End;
    GLuint regCmdB;

    GLuint regEnable;
    GLuint regHFBBMSKL;
    GLuint regHROP;

    GLuint regHZWTMD;
    GLuint regHSTREF;
    GLuint regHSTMD;

    GLuint regHATMD;
    GLuint regHABLCsat;
    GLuint regHABLCop;
    GLuint regHABLAsat;
    GLuint regHABLAop;
    GLuint regHABLRCa;
    GLuint regHABLRFCa;
    GLuint regHABLRCbias;
    GLuint regHABLRCb;
    GLuint regHABLRFCb;
    GLuint regHABLRAa;
    GLuint regHABLRAb;
    GLuint regHFogLF;
    GLuint regHFogCL;
    GLuint regHFogCH;

    GLuint regHLP;
    GLuint regHLPRF;

    GLuint regHTXnCLOD[2];
    GLuint regHTXnTB[2];
    GLuint regHTXnMPMD[2];
    GLuint regHTXnTBLCsat[2];
    GLuint regHTXnTBLCop[2];
    GLuint regHTXnTBLMPfog[2];
    GLuint regHTXnTBLAsat[2];
    GLuint regHTXnTBLRCb[2];
    GLuint regHTXnTBLRAa[2];
    GLuint regHTXnTBLRFog[2];
    GLuint regHTXnTBLRCa[2];
    GLuint regHTXnTBLRCc[2];
    GLuint regHTXnTBLRCbias[2];
    GLuint regHTXnTBC[2];
    GLuint regHTXnTRAH[2];

    int vertexSize;
    int hwVertexSize;
    GLboolean ptexHack;
    int coloroffset;
    int specoffset;

    GLint lastStamp;

    GLuint ClearColor;
    GLuint ClearMask;

    /* DRI stuff
     */
    GLboolean doPageFlip;

    struct via_renderbuffer *drawBuffer;

    GLuint numClipRects;         /* cliprects for that buffer */
    drm_clip_rect_t *pClipRects;

    GLboolean scissor;
    drm_clip_rect_t drawRect;
    drm_clip_rect_t scissorRect;

    drm_context_t hHWContext;
    drm_hw_lock_t *driHwLock;
    int driFd;

    /**
     * DRI drawable bound to this context for drawing.
     */
    __DRIdrawablePrivate	*driDrawable;

    /**
     * DRI drawable bound to this context for reading.
     */
    __DRIdrawablePrivate	*driReadable;

    __DRIscreenPrivate *driScreen;
    viaScreenPrivate *viaScreen;
    drm_via_sarea_t *sarea;
    volatile GLuint* regMMIOBase;
    volatile GLuint* pnGEMode;
    volatile GLuint* regEngineStatus;
    volatile GLuint* regTranSet;
    volatile GLuint* regTranSpace;
    GLuint agpBase;
    GLuint drawType;

    GLuint nDoneFirstFlip;
    GLuint agpFullCount;

    GLboolean clearTexCache;
    GLboolean thrashing;

    /* Configuration cache
     */
    driOptionCache optionCache;

    int64_t swap_ust;
    int64_t swap_missed_ust;

    GLuint swap_count;
    GLuint swap_missed_count;


    GLuint pfCurrentOffset;
    GLboolean allowPageFlip;

    GLuint lastBreadcrumbRead;
    GLuint lastBreadcrumbWrite;
    GLuint lastSwap[2];
    GLuint lastDma;

    GLuint total_alloc[VIA_MEM_SYSTEM+1];

    struct via_tex_buffer tex_image_list[VIA_MEM_SYSTEM+1];
    struct via_tex_buffer freed_tex_buffers;

 };


 #define VIA_CONTEXT(ctx)   ((struct via_context *)(ctx->DriverCtx))


 /* Lock the hardware and validate our state.
  */
 #define LOCK_HARDWARE(vmesa)                                	\
 	do {                                                    \
     	    char __ret = 0;                                     \
     	    DRM_CAS(vmesa->driHwLock, vmesa->hHWContext,        \
         	(DRM_LOCK_HELD|vmesa->hHWContext), __ret);      \
     	    if (__ret)                                          \
         	viaGetLock(vmesa, 0);                           \
 	} while (0)


 /* Release the kernel lock.
  */
 #define UNLOCK_HARDWARE(vmesa)                                  	\
 	DRM_UNLOCK(vmesa->driFd, vmesa->driHwLock, vmesa->hHWContext);


 extern GLuint VIA_DEBUG;

 #define DEBUG_TEXTURE	0x1
 #define DEBUG_STATE	0x2
 #define DEBUG_IOCTL	0x4
 #define DEBUG_PRIMS	0x8
 #define DEBUG_VERTS	0x10
 #define DEBUG_FALLBACKS	0x20
 #define DEBUG_VERBOSE	0x40
 #define DEBUG_DRI       0x80
 #define DEBUG_DMA       0x100
 #define DEBUG_SANITY    0x200
 #define DEBUG_SYNC      0x400
 #define DEBUG_SLEEP     0x800
 #define DEBUG_PIXEL     0x1000
 #define DEBUG_2D        0x2000


 extern void viaGetLock(struct via_context *vmesa, GLuint flags);
 extern void viaLock(struct via_context *vmesa, GLuint flags);
 extern void viaUnLock(struct via_context *vmesa, GLuint flags);
 extern void viaEmitHwStateLocked(struct via_context *vmesa);
 extern void viaEmitScissorValues(struct via_context *vmesa, int box_nr, int emit);
 extern void viaXMesaSetBackClipRects(struct via_context *vmesa);
 extern void viaXMesaSetFrontClipRects(struct via_context *vmesa);
 extern void viaReAllocateBuffers(GLcontext *ctx, GLframebuffer *drawbuffer, GLuint width, GLuint height);
 extern void viaXMesaWindowMoved(struct via_context *vmesa);

 extern GLboolean viaTexCombineState(struct via_context *vmesa,
 				    const struct gl_tex_env_combine_state * combine,
 				    unsigned unit );

 /* Via hw already adjusted for GL pixel centers:
  */
 #define SUBPIXEL_X 0
 #define SUBPIXEL_Y 0

 /* TODO XXX _SOLO temp defines to make code compilable */
 #ifndef GLX_PBUFFER_BIT
 #define GLX_PBUFFER_BIT        0x00000004
 #endif
 #ifndef GLX_WINDOW_BIT
 #define GLX_WINDOW_BIT 0x00000001
 #endif
 #ifndef VERT_BIT_CLIP
 #define VERT_BIT_CLIP       0x1000000
 #endif

 #endif
	/*
	* 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 _VIACONTEXT_H
	#define _VIACONTEXT_H

	#include "dri_util.h"

	#include "mtypes.h"
	#include "drm.h"
	#include "mm.h"
	#include "tnl/t_vertex.h"

	#include "via_screen.h"
	#include "via_tex.h"
	#include "via_drm.h"

	struct via_context;

	/* Chip tags. These are used to group the adapters into
	* related families.
	*/
	enum VIACHIPTAGS {
	VIA_UNKNOWN = 0,
	VIA_CLE266,
	VIA_KM400,
	VIA_K8M800,
	VIA_PM800,
	VIA_LAST
	};

	#define VIA_FALLBACK_TEXTURE 0x1
	#define VIA_FALLBACK_DRAW_BUFFER 0x2
	#define VIA_FALLBACK_READ_BUFFER 0x4
	#define VIA_FALLBACK_COLORMASK 0x8
	#define VIA_FALLBACK_SPECULAR 0x20
	#define VIA_FALLBACK_LOGICOP 0x40
	#define VIA_FALLBACK_RENDERMODE 0x80
	#define VIA_FALLBACK_STENCIL 0x100
	#define VIA_FALLBACK_BLEND_EQ 0x200
	#define VIA_FALLBACK_BLEND_FUNC 0x400
	#define VIA_FALLBACK_USER_DISABLE 0x800
	#define VIA_FALLBACK_PROJ_TEXTURE 0x1000
	#define VIA_FALLBACK_POLY_STIPPLE 0x2000

	#define VIA_DMA_BUFSIZ 4096
	#define VIA_DMA_HIGHWATER (VIA_DMA_BUFSIZ - 128)

	#define VIA_NO_CLIPRECTS 0x1


	/* Use the templated vertex formats:
	*/
	#define TAG(x) via##x
	#include "tnl_dd/t_dd_vertex.h"
	#undef TAG

	typedef void (via_tri_func)(struct via_context , viaVertex , viaVertex ,
	viaVertex *);
	typedef void (via_line_func)(struct via_context , viaVertex , viaVertex );
	typedef void (via_point_func)(struct via_context , viaVertex *);

	/**
	* Derived from gl_renderbuffer.
	*/
	struct via_renderbuffer {
	struct gl_renderbuffer Base; /* must be first! */
	drm_handle_t handle;
	drmSize size;
	unsigned long offset;
	unsigned long index;
	GLuint pitch;
	GLuint bpp;
	char *map;
	GLuint orig; /* The drawing origin,
	* at (drawX,drawY) in screen space.
	*/
	char *origMap;

	int drawX; /* origin of drawable in draw buffer */
	int drawY;
	int drawW;
	int drawH;

	__DRIdrawablePrivate *dPriv;
	};


	#define VIA_MAX_TEXLEVELS 10

	struct via_tex_buffer {
	struct via_tex_buffer next, prev;
	struct via_texture_image *image;
	unsigned long index;
	unsigned long offset;
	GLuint size;
	GLuint memType;
	unsigned char *bufAddr;
	GLuint texBase;
	GLuint lastUsed;
	};



	struct via_texture_image {
	struct gl_texture_image image;
	struct via_tex_buffer *texMem;
	GLint pitchLog2;
	};

	struct via_texture_object {
	struct gl_texture_object obj; /* The "parent" object */

	GLuint texelBytes;
	GLuint memType;

	GLuint regTexFM;
	GLuint regTexWidthLog2[2];
	GLuint regTexHeightLog2[2];
	GLuint regTexBaseH[4];
	struct {
	GLuint baseL;
	GLuint pitchLog2;
	} regTexBaseAndPitch[12];

	GLint firstLevel, lastLevel; /* upload tObj->Image[first .. lastLevel] */
	};



	struct via_context {
	GLint refcount;
	GLcontext *glCtx;
	GLcontext *shareCtx;

	/* XXX These don't belong here. They should be per-drawable state. */
	struct via_renderbuffer front;
	struct via_renderbuffer back;
	struct via_renderbuffer depth;
	struct via_renderbuffer stencil; /* mirrors depth */
	struct via_renderbuffer breadcrumb;

	GLboolean hasBack;
	GLboolean hasDepth;
	GLboolean hasStencil;
	GLboolean hasAccum;
	GLuint depthBits;
	GLuint stencilBits;

	GLboolean have_hw_stencil;
	GLuint ClearDepth;
	GLuint depth_clear_mask;
	GLuint stencil_clear_mask;
	GLfloat depth_max;
	GLfloat polygon_offset_scale;

	GLubyte *dma;
	viaRegion tex;

	/* Bit flag to keep 0track of fallbacks.
	*/
	GLuint Fallback;

	/* State for via_tris.c.
	*/
	GLuint newState; /* _NEW_* flags */
	GLuint newEmitState; /* _NEW_* flags */
	GLuint newRenderState; /* _NEW_* flags */

	struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
	GLuint vertex_attr_count;

	GLuint setupIndex;
	GLuint renderIndex;
	GLmatrix ViewportMatrix;
	GLenum renderPrimitive;
	GLenum hwPrimitive;
	GLenum hwShadeModel;
	unsigned char *verts;

	/* drmBufPtr dma_buffer;
	*/
	GLuint dmaLow;
	GLuint dmaCliprectAddr;
	GLuint dmaLastPrim;
	GLboolean useAgp;


	/* Fallback rasterization functions
	*/
	via_point_func drawPoint;
	via_line_func drawLine;
	via_tri_func drawTri;

	/* Hardware register
	*/
	GLuint regCmdA_End;
	GLuint regCmdB;

	GLuint regEnable;
	GLuint regHFBBMSKL;
	GLuint regHROP;

	GLuint regHZWTMD;
	GLuint regHSTREF;
	GLuint regHSTMD;

	GLuint regHATMD;
	GLuint regHABLCsat;
	GLuint regHABLCop;
	GLuint regHABLAsat;
	GLuint regHABLAop;
	GLuint regHABLRCa;
	GLuint regHABLRFCa;
	GLuint regHABLRCbias;
	GLuint regHABLRCb;
	GLuint regHABLRFCb;
	GLuint regHABLRAa;
	GLuint regHABLRAb;
	GLuint regHFogLF;
	GLuint regHFogCL;
	GLuint regHFogCH;

	GLuint regHLP;
	GLuint regHLPRF;

	GLuint regHTXnCLOD[2];
	GLuint regHTXnTB[2];
	GLuint regHTXnMPMD[2];
	GLuint regHTXnTBLCsat[2];
	GLuint regHTXnTBLCop[2];
	GLuint regHTXnTBLMPfog[2];
	GLuint regHTXnTBLAsat[2];
	GLuint regHTXnTBLRCb[2];
	GLuint regHTXnTBLRAa[2];
	GLuint regHTXnTBLRFog[2];
	GLuint regHTXnTBLRCa[2];
	GLuint regHTXnTBLRCc[2];
	GLuint regHTXnTBLRCbias[2];
	GLuint regHTXnTBC[2];
	GLuint regHTXnTRAH[2];

	int vertexSize;
	int hwVertexSize;
	GLboolean ptexHack;
	int coloroffset;
	int specoffset;

	GLint lastStamp;

	GLuint ClearColor;
	GLuint ClearMask;

	/* DRI stuff
	*/
	GLboolean doPageFlip;

	struct via_renderbuffer *drawBuffer;

	GLuint numClipRects; /* cliprects for that buffer */
	drm_clip_rect_t *pClipRects;

	GLboolean scissor;
	drm_clip_rect_t drawRect;
	drm_clip_rect_t scissorRect;

	drm_context_t hHWContext;
	drm_hw_lock_t *driHwLock;
	int driFd;

	/**
	* DRI drawable bound to this context for drawing.
	*/
	__DRIdrawablePrivate *driDrawable;

	/**
	* DRI drawable bound to this context for reading.
	*/
	__DRIdrawablePrivate *driReadable;

	__DRIscreenPrivate *driScreen;
	viaScreenPrivate *viaScreen;
	drm_via_sarea_t *sarea;
	volatile GLuint* regMMIOBase;
	volatile GLuint* pnGEMode;
	volatile GLuint* regEngineStatus;
	volatile GLuint* regTranSet;
	volatile GLuint* regTranSpace;
	GLuint agpBase;
	GLuint drawType;

	GLuint nDoneFirstFlip;
	GLuint agpFullCount;

	GLboolean clearTexCache;
	GLboolean thrashing;

	/* Configuration cache
	*/
	driOptionCache optionCache;

	int64_t swap_ust;
	int64_t swap_missed_ust;

	GLuint swap_count;
	GLuint swap_missed_count;


	GLuint pfCurrentOffset;
	GLboolean allowPageFlip;

	GLuint lastBreadcrumbRead;
	GLuint lastBreadcrumbWrite;
	GLuint lastSwap[2];
	GLuint lastDma;

	GLuint total_alloc[VIA_MEM_SYSTEM+1];

	struct via_tex_buffer tex_image_list[VIA_MEM_SYSTEM+1];
	struct via_tex_buffer freed_tex_buffers;

	};



	#define VIA_CONTEXT(ctx) ((struct via_context *)(ctx->DriverCtx))



	/* Lock the hardware and validate our state.
	*/
	#define LOCK_HARDWARE(vmesa) \
	do { \
	char __ret = 0; \
	DRM_CAS(vmesa->driHwLock, vmesa->hHWContext, \
	(DRM_LOCK_HELD\|vmesa->hHWContext), __ret); \
	if (__ret) \
	viaGetLock(vmesa, 0); \
	} while (0)


	/* Release the kernel lock.
	*/
	#define UNLOCK_HARDWARE(vmesa) \
	DRM_UNLOCK(vmesa->driFd, vmesa->driHwLock, vmesa->hHWContext);



	extern GLuint VIA_DEBUG;

	#define DEBUG_TEXTURE 0x1
	#define DEBUG_STATE 0x2
	#define DEBUG_IOCTL 0x4
	#define DEBUG_PRIMS 0x8
	#define DEBUG_VERTS 0x10
	#define DEBUG_FALLBACKS 0x20
	#define DEBUG_VERBOSE 0x40
	#define DEBUG_DRI 0x80
	#define DEBUG_DMA 0x100
	#define DEBUG_SANITY 0x200
	#define DEBUG_SYNC 0x400
	#define DEBUG_SLEEP 0x800
	#define DEBUG_PIXEL 0x1000
	#define DEBUG_2D 0x2000


	extern void viaGetLock(struct via_context *vmesa, GLuint flags);
	extern void viaLock(struct via_context *vmesa, GLuint flags);
	extern void viaUnLock(struct via_context *vmesa, GLuint flags);
	extern void viaEmitHwStateLocked(struct via_context *vmesa);
	extern void viaEmitScissorValues(struct via_context *vmesa, int box_nr, int emit);
	extern void viaXMesaSetBackClipRects(struct via_context *vmesa);
	extern void viaXMesaSetFrontClipRects(struct via_context *vmesa);
	extern void viaReAllocateBuffers(GLcontext ctx, GLframebuffer drawbuffer, GLuint width, GLuint height);
	extern void viaXMesaWindowMoved(struct via_context *vmesa);

	extern GLboolean viaTexCombineState(struct via_context *vmesa,
	const struct gl_tex_env_combine_state * combine,
	unsigned unit );

	/* Via hw already adjusted for GL pixel centers:
	*/
	#define SUBPIXEL_X 0
	#define SUBPIXEL_Y 0

	/* TODO XXX _SOLO temp defines to make code compilable */
	#ifndef GLX_PBUFFER_BIT
	#define GLX_PBUFFER_BIT 0x00000004
	#endif
	#ifndef GLX_WINDOW_BIT
	#define GLX_WINDOW_BIT 0x00000001
	#endif
	#ifndef VERT_BIT_CLIP
	#define VERT_BIT_CLIP 0x1000000
	#endif

	#endif