src/parsec/disk-image/parsec/parsec-benchmark/pkgs/libs/mesa/src/src/mesa/drivers/dri/savage/savagecontext.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 SAVAGECONTEXT_INC
 #define SAVAGECONTEXT_INC

 typedef struct savage_context_t savageContext;
 typedef struct savage_context_t *savageContextPtr;
 typedef struct savage_texture_object_t *savageTextureObjectPtr;

 #include <X11/Xlibint.h>
 #include "dri_util.h"
 #include "mtypes.h"
 #include "xf86drm.h"
 #include "drm.h"
 #include "savage_drm.h"
 #include "savage_init.h"
 #include "savage_3d_reg.h"
 #include "mm.h"
 #include "tnl/t_vertex.h"

 #include "texmem.h"

 #include "xmlconfig.h"

 /* Reasons to fallback on all primitives.
  */
 #define SAVAGE_FALLBACK_TEXTURE        0x1
 #define SAVAGE_FALLBACK_DRAW_BUFFER    0x2
 #define SAVAGE_FALLBACK_READ_BUFFER    0x4
 #define SAVAGE_FALLBACK_COLORMASK      0x8
 #define SAVAGE_FALLBACK_SPECULAR       0x10
 #define SAVAGE_FALLBACK_LOGICOP        0x20
 /*frank 2001/11/12 add the stencil fallbak*/
 #define SAVAGE_FALLBACK_STENCIL        0x40
 #define SAVAGE_FALLBACK_RENDERMODE     0x80
 #define SAVAGE_FALLBACK_BLEND_EQ       0x100
 #define SAVAGE_FALLBACK_NORAST         0x200
 #define SAVAGE_FALLBACK_PROJ_TEXTURE   0x400


 #define HW_CULL    1

 /* for savagectx.new_state - manage GL->driver state changes
  */
 #define SAVAGE_NEW_TEXTURE 0x1
 #define SAVAGE_NEW_CULL    0x2

 /* What needs to be changed for the current vertex dma buffer?
  * This will go away!
  */
 #define SAVAGE_UPLOAD_LOCAL	0x1  /* DrawLocalCtrl (S4) or
 					DrawCtrl and ZBufCtrl (S3D) */
 #define SAVAGE_UPLOAD_TEX0	0x2  /* texture unit 0 */
 #define SAVAGE_UPLOAD_TEX1	0x4  /* texture unit 1 (S4 only) */
 #define SAVAGE_UPLOAD_FOGTBL	0x8  /* fog table */
 #define SAVAGE_UPLOAD_GLOBAL	0x10 /* most global regs */
 #define SAVAGE_UPLOAD_TEXGLOBAL 0x20 /* TexBlendColor (S4 only) */

 /*define the max numer of vertex in vertex buf*/
 #define SAVAGE_MAX_VERTEXS 0x10000

 /* Don't make it too big. We don't want to buffer up a whole frame
  * that would force the application to wait later. */
 #define SAVAGE_CMDBUF_SIZE 1024

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

 typedef void (*savage_tri_func)( savageContextPtr, savageVertex *,
 				 savageVertex *, savageVertex * );
 typedef void (*savage_line_func)( savageContextPtr,
 				  savageVertex *, savageVertex * );
 typedef void (*savage_point_func)( savageContextPtr, savageVertex * );


 /**************************************************************
  ****************    enums for chip IDs ************************
  **************************************************************/

 #define CHIP_S3GX3MS1NB             0x8A25
 #define CHIP_S3GX3MS1NBK            0x8A26
 #define CHIP_S3TWISTER              0x8D01
 #define CHIP_S3TWISTERK             0x8D02
 #define CHIP_S3TWISTER_P4M          0x8D04
 #define CHIP_S3PARAMOUNT128         0x8C22              /*SuperSavage 128/MX*/
 #define CHIP_S3TRISTAR128SDR        0x8C2A              /*SuperSavage 128/IX*/
 #define CHIP_S3TRISTAR64SDRM7       0x8C2C              /*SuperSavage/IX M7 Package*/
 #define CHIP_S3TRISTAR64SDR         0x8C2E              /*SuperSavage/IX*/
 #define CHIP_S3TRISTAR64CDDR        0x8C2F              /*SuperSavage/IXC DDR*/

 #define IS_SAVAGE(imesa) (imesa->savageScreen->deviceID == CHIP_S3GX3MS1NB ||	\
 			imesa->savageScreen->deviceID == CHIP_S3GX3MS1NBK || \
                         imesa->savageScreen->deviceID == CHIP_S3TWISTER || \
                         imesa->savageScreen->deviceID == CHIP_S3TWISTERK || \
                         imesa->savageScreen->deviceID == CHIP_S3TWISTER_P4M || \
                         imesa->savageScreen->deviceID == CHIP_S3PARAMOUNT128 || \
                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR128SDR || \
                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64SDRM7 || \
                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64SDR || \
 			imesa->savageScreen->deviceID == CHIP_S3TRISTAR64CDDR )


 struct savage_vtxbuf_t {
     GLuint total, used, flushed; /* in 32 bit units */
     GLuint idx;		/* for DMA buffers */
     u_int32_t *buf;
 };

 struct savage_cmdbuf_t {
     GLuint size; /* size in qwords */
     drm_savage_cmd_header_t *base;  /* initial state starts here */
     drm_savage_cmd_header_t *start; /* drawing/state commands start here */
     drm_savage_cmd_header_t *write; /* append stuff here */
 };

 struct savage_elt_t {
     GLuint n;				/* number of elts currently allocated */
     drm_savage_cmd_header_t *cmd;	/* the indexed drawing command */
 };


 struct savage_context_t {
     GLint refcount;

     GLcontext *glCtx;

     int lastTexHeap;
     driTexHeap *textureHeaps[SAVAGE_NR_TEX_HEAPS];
     driTextureObject swapped;

     driTextureObject *CurrentTexObj[2];

     /* Hardware state
      */

     savageRegisters regs, oldRegs, globalRegMask;

     /* Manage our own state */
     GLuint new_state;
     GLuint new_gl_state;
     GLboolean ptexHack;

     /* Command buffer */
     struct savage_cmdbuf_t cmdBuf;

     /* Elt book-keeping */
     struct savage_elt_t elts;
     GLint firstElt;

     /* Vertex buffers */
     struct savage_vtxbuf_t dmaVtxBuf, clientVtxBuf;
     struct savage_vtxbuf_t *vtxBuf;

     /* aperture base */
     GLubyte *apertureBase[5];
     GLuint aperturePitch;
     /* Manage hardware state */
     GLuint dirty;
     GLboolean lostContext;
     GLuint bTexEn1;
     /* One of the few bits of hardware state that can't be calculated
      * completely on the fly:
      */
     GLuint LcsCullMode;
     GLuint texEnvColor;

    /* Vertex state
     */
    GLuint vertex_size;
    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
    GLuint vertex_attr_count;
    char *verts;			/* points to tnl->clipspace.vertex_buf */

    /* Rasterization state
     */
    GLuint SetupNewInputs;
    GLuint SetupIndex;
    GLuint RenderIndex;

    GLuint hw_primitive;
    GLenum raster_primitive;
    GLenum render_primitive;

    GLuint skip;
    GLubyte HwPrim;
    GLuint HwVertexSize;

    /* Fallback rasterization functions
     */
    savage_point_func draw_point;
    savage_line_func draw_line;
    savage_tri_func draw_tri;

     /* Funny mesa mirrors
      */
     GLuint MonoColor;
     GLuint ClearColor;
     GLfloat depth_scale;
     GLfloat hw_viewport[16];
     /* DRI stuff */
     GLuint bufferSize;

     GLframebuffer *glBuffer;

     /* Two flags to keep track of fallbacks. */
     GLuint Fallback;

     GLuint needClip;

     /* These refer to the current draw (front vs. back) buffer:
      */
     int drawX;   		/* origin of drawable in draw buffer */
     int drawY;
     GLuint numClipRects;		/* cliprects for that buffer */
     GLint currentClip;
     drm_clip_rect_t *pClipRects;

     /*  use this bit to support single/double buffer */
     GLuint IsDouble;
     /*  use this to indicate Fullscreen mode */
     GLuint IsFullScreen; /* FIXME - open/close fullscreen is gone, is this needed? */
     GLuint backup_frontOffset;
     GLuint backup_backOffset;
     GLuint backup_frontBitmapDesc;
     GLuint toggle;
     GLuint backup_streamFIFO;
     GLuint NotFirstFrame;

     GLboolean inSwap;
     GLuint lastSwap;
     GLuint ctxAge;
     GLuint dirtyAge;
     GLuint any_contend;		/* throttle me harder */

     /* Scissor state needs to be mirrored so buffered commands can be
      * emitted with the old scissor state when scissor state changes.
      */
     struct {
 	GLboolean enabled;
 	GLint x, y;
 	GLsizei w, h;
     } scissor;

     drm_context_t hHWContext;
     drm_hw_lock_t *driHwLock;
     GLuint driFd;

     __DRIdrawablePrivate *driDrawable;
     __DRIdrawablePrivate *driReadable;

     __DRIscreenPrivate *driScreen;
     savageScreenPrivate *savageScreen;
     drm_savage_sarea_t *sarea;

     GLboolean hw_stencil;

     /* Performance counters
      */
     GLuint c_textureSwaps;

     /* Configuration cache
      */
     driOptionCache optionCache;
     GLint texture_depth;
     GLboolean no_rast;
     GLboolean float_depth;
     GLboolean enable_fastpath;
     GLboolean enable_vdma;
     GLboolean sync_frames;
 };

 #define SAVAGE_CONTEXT(ctx) ((savageContextPtr)(ctx->DriverCtx))

 /* To remove all debugging, make sure SAVAGE_DEBUG is defined as a
  * preprocessor symbol, and equal to zero.
  */
 #ifndef SAVAGE_DEBUG
 extern int SAVAGE_DEBUG;
 #endif

 #define DEBUG_FALLBACKS      0x001
 #define DEBUG_VERBOSE_API    0x002
 #define DEBUG_VERBOSE_TEX    0x004
 #define DEBUG_VERBOSE_MSG    0x008
 #define DEBUG_DMA            0x010
 #define DEBUG_STATE          0x020

 #define TARGET_FRONT    0x0
 #define TARGET_BACK     0x1
 #define TARGET_DEPTH    0x2

 #define SUBPIXEL_X -0.5
 #define SUBPIXEL_Y -0.375

 #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 SAVAGECONTEXT_INC
	#define SAVAGECONTEXT_INC

	typedef struct savage_context_t savageContext;
	typedef struct savage_context_t *savageContextPtr;
	typedef struct savage_texture_object_t *savageTextureObjectPtr;

	#include <X11/Xlibint.h>
	#include "dri_util.h"
	#include "mtypes.h"
	#include "xf86drm.h"
	#include "drm.h"
	#include "savage_drm.h"
	#include "savage_init.h"
	#include "savage_3d_reg.h"
	#include "mm.h"
	#include "tnl/t_vertex.h"

	#include "texmem.h"

	#include "xmlconfig.h"

	/* Reasons to fallback on all primitives.
	*/
	#define SAVAGE_FALLBACK_TEXTURE 0x1
	#define SAVAGE_FALLBACK_DRAW_BUFFER 0x2
	#define SAVAGE_FALLBACK_READ_BUFFER 0x4
	#define SAVAGE_FALLBACK_COLORMASK 0x8
	#define SAVAGE_FALLBACK_SPECULAR 0x10
	#define SAVAGE_FALLBACK_LOGICOP 0x20
	/frank 2001/11/12 add the stencil fallbak/
	#define SAVAGE_FALLBACK_STENCIL 0x40
	#define SAVAGE_FALLBACK_RENDERMODE 0x80
	#define SAVAGE_FALLBACK_BLEND_EQ 0x100
	#define SAVAGE_FALLBACK_NORAST 0x200
	#define SAVAGE_FALLBACK_PROJ_TEXTURE 0x400


	#define HW_CULL 1

	/* for savagectx.new_state - manage GL->driver state changes
	*/
	#define SAVAGE_NEW_TEXTURE 0x1
	#define SAVAGE_NEW_CULL 0x2

	/* What needs to be changed for the current vertex dma buffer?
	* This will go away!
	*/
	#define SAVAGE_UPLOAD_LOCAL 0x1 /* DrawLocalCtrl (S4) or
	DrawCtrl and ZBufCtrl (S3D) */
	#define SAVAGE_UPLOAD_TEX0 0x2 /* texture unit 0 */
	#define SAVAGE_UPLOAD_TEX1 0x4 /* texture unit 1 (S4 only) */
	#define SAVAGE_UPLOAD_FOGTBL 0x8 /* fog table */
	#define SAVAGE_UPLOAD_GLOBAL 0x10 /* most global regs */
	#define SAVAGE_UPLOAD_TEXGLOBAL 0x20 /* TexBlendColor (S4 only) */

	/define the max numer of vertex in vertex buf/
	#define SAVAGE_MAX_VERTEXS 0x10000

	/* Don't make it too big. We don't want to buffer up a whole frame
	* that would force the application to wait later. */
	#define SAVAGE_CMDBUF_SIZE 1024

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

	typedef void (savage_tri_func)( savageContextPtr, savageVertex ,
	savageVertex , savageVertex );
	typedef void (*savage_line_func)( savageContextPtr,
	savageVertex , savageVertex );
	typedef void (savage_point_func)( savageContextPtr, savageVertex );


	/**************************************************************
	************** enums for chip IDs **********************
	**************************************************************/

	#define CHIP_S3GX3MS1NB 0x8A25
	#define CHIP_S3GX3MS1NBK 0x8A26
	#define CHIP_S3TWISTER 0x8D01
	#define CHIP_S3TWISTERK 0x8D02
	#define CHIP_S3TWISTER_P4M 0x8D04
	#define CHIP_S3PARAMOUNT128 0x8C22 /SuperSavage 128/MX/
	#define CHIP_S3TRISTAR128SDR 0x8C2A /SuperSavage 128/IX/
	#define CHIP_S3TRISTAR64SDRM7 0x8C2C /SuperSavage/IX M7 Package/
	#define CHIP_S3TRISTAR64SDR 0x8C2E /SuperSavage/IX/
	#define CHIP_S3TRISTAR64CDDR 0x8C2F /SuperSavage/IXC DDR/

	#define IS_SAVAGE(imesa) (imesa->savageScreen->deviceID == CHIP_S3GX3MS1NB \|\| \
	imesa->savageScreen->deviceID == CHIP_S3GX3MS1NBK \|\| \
	imesa->savageScreen->deviceID == CHIP_S3TWISTER \|\| \
	imesa->savageScreen->deviceID == CHIP_S3TWISTERK \|\| \
	imesa->savageScreen->deviceID == CHIP_S3TWISTER_P4M \|\| \
	imesa->savageScreen->deviceID == CHIP_S3PARAMOUNT128 \|\| \
	imesa->savageScreen->deviceID == CHIP_S3TRISTAR128SDR \|\| \
	imesa->savageScreen->deviceID == CHIP_S3TRISTAR64SDRM7 \|\| \
	imesa->savageScreen->deviceID == CHIP_S3TRISTAR64SDR \|\| \
	imesa->savageScreen->deviceID == CHIP_S3TRISTAR64CDDR )


	struct savage_vtxbuf_t {
	GLuint total, used, flushed; /* in 32 bit units */
	GLuint idx; /* for DMA buffers */
	u_int32_t *buf;
	};

	struct savage_cmdbuf_t {
	GLuint size; /* size in qwords */
	drm_savage_cmd_header_t base; / initial state starts here */
	drm_savage_cmd_header_t start; / drawing/state commands start here */
	drm_savage_cmd_header_t write; / append stuff here */
	};

	struct savage_elt_t {
	GLuint n; /* number of elts currently allocated */
	drm_savage_cmd_header_t cmd; / the indexed drawing command */
	};


	struct savage_context_t {
	GLint refcount;

	GLcontext *glCtx;

	int lastTexHeap;
	driTexHeap *textureHeaps[SAVAGE_NR_TEX_HEAPS];
	driTextureObject swapped;

	driTextureObject *CurrentTexObj[2];

	/* Hardware state
	*/

	savageRegisters regs, oldRegs, globalRegMask;

	/* Manage our own state */
	GLuint new_state;
	GLuint new_gl_state;
	GLboolean ptexHack;

	/* Command buffer */
	struct savage_cmdbuf_t cmdBuf;

	/* Elt book-keeping */
	struct savage_elt_t elts;
	GLint firstElt;

	/* Vertex buffers */
	struct savage_vtxbuf_t dmaVtxBuf, clientVtxBuf;
	struct savage_vtxbuf_t *vtxBuf;

	/* aperture base */
	GLubyte *apertureBase[5];
	GLuint aperturePitch;
	/* Manage hardware state */
	GLuint dirty;
	GLboolean lostContext;
	GLuint bTexEn1;
	/* One of the few bits of hardware state that can't be calculated
	* completely on the fly:
	*/
	GLuint LcsCullMode;
	GLuint texEnvColor;

	/* Vertex state
	*/
	GLuint vertex_size;
	struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
	GLuint vertex_attr_count;
	char verts; / points to tnl->clipspace.vertex_buf */

	/* Rasterization state
	*/
	GLuint SetupNewInputs;
	GLuint SetupIndex;
	GLuint RenderIndex;

	GLuint hw_primitive;
	GLenum raster_primitive;
	GLenum render_primitive;

	GLuint skip;
	GLubyte HwPrim;
	GLuint HwVertexSize;

	/* Fallback rasterization functions
	*/
	savage_point_func draw_point;
	savage_line_func draw_line;
	savage_tri_func draw_tri;

	/* Funny mesa mirrors
	*/
	GLuint MonoColor;
	GLuint ClearColor;
	GLfloat depth_scale;
	GLfloat hw_viewport[16];
	/* DRI stuff */
	GLuint bufferSize;

	GLframebuffer *glBuffer;

	/* Two flags to keep track of fallbacks. */
	GLuint Fallback;

	GLuint needClip;

	/* These refer to the current draw (front vs. back) buffer:
	*/
	int drawX; /* origin of drawable in draw buffer */
	int drawY;
	GLuint numClipRects; /* cliprects for that buffer */
	GLint currentClip;
	drm_clip_rect_t *pClipRects;

	/* use this bit to support single/double buffer */
	GLuint IsDouble;
	/* use this to indicate Fullscreen mode */
	GLuint IsFullScreen; /* FIXME - open/close fullscreen is gone, is this needed? */
	GLuint backup_frontOffset;
	GLuint backup_backOffset;
	GLuint backup_frontBitmapDesc;
	GLuint toggle;
	GLuint backup_streamFIFO;
	GLuint NotFirstFrame;

	GLboolean inSwap;
	GLuint lastSwap;
	GLuint ctxAge;
	GLuint dirtyAge;
	GLuint any_contend; /* throttle me harder */

	/* Scissor state needs to be mirrored so buffered commands can be
	* emitted with the old scissor state when scissor state changes.
	*/
	struct {
	GLboolean enabled;
	GLint x, y;
	GLsizei w, h;
	} scissor;

	drm_context_t hHWContext;
	drm_hw_lock_t *driHwLock;
	GLuint driFd;

	__DRIdrawablePrivate *driDrawable;
	__DRIdrawablePrivate *driReadable;

	__DRIscreenPrivate *driScreen;
	savageScreenPrivate *savageScreen;
	drm_savage_sarea_t *sarea;

	GLboolean hw_stencil;

	/* Performance counters
	*/
	GLuint c_textureSwaps;

	/* Configuration cache
	*/
	driOptionCache optionCache;
	GLint texture_depth;
	GLboolean no_rast;
	GLboolean float_depth;
	GLboolean enable_fastpath;
	GLboolean enable_vdma;
	GLboolean sync_frames;
	};

	#define SAVAGE_CONTEXT(ctx) ((savageContextPtr)(ctx->DriverCtx))

	/* To remove all debugging, make sure SAVAGE_DEBUG is defined as a
	* preprocessor symbol, and equal to zero.
	*/
	#ifndef SAVAGE_DEBUG
	extern int SAVAGE_DEBUG;
	#endif

	#define DEBUG_FALLBACKS 0x001
	#define DEBUG_VERBOSE_API 0x002
	#define DEBUG_VERBOSE_TEX 0x004
	#define DEBUG_VERBOSE_MSG 0x008
	#define DEBUG_DMA 0x010
	#define DEBUG_STATE 0x020

	#define TARGET_FRONT 0x0
	#define TARGET_BACK 0x1
	#define TARGET_DEPTH 0x2

	#define SUBPIXEL_X -0.5
	#define SUBPIXEL_Y -0.375

	#endif