src/mesa/drivers/dri/s3v/s3v_context.h

   1 /*
   2  * Author: Max Lingua <sunmax@libero.it>
   3  */
   4
   5 #ifndef _S3V_CONTEXT_H_
   6 #define _S3V_CONTEXT_H_
   7
   8 #include "dri_util.h"
   9
  10 #include "s3v_dri.h"
  11 #include "s3v_regs.h"
  12 #include "s3v_macros.h"
  13 #include "s3v_screen.h"
  14 #include "macros.h"
  15 #include "mtypes.h"
  16 #include "drm.h"
  17 #include "mm.h"
  18
  19 /* Flags for context */
  20 #define S3V_FRONT_BUFFER    0x00000001
  21 #define S3V_BACK_BUFFER     0x00000002
  22 #define S3V_DEPTH_BUFFER    0x00000004
  23
  24         /* FIXME: check */
  25 #define S3V_MAX_TEXTURE_SIZE    2048
  26
  27 /* These are the minimum requirements and should probably be increased */
  28 #define MAX_MODELVIEW_STACK    16
  29 #define MAX_PROJECTION_STACK    2
  30 #define MAX_TEXTURE_STACK       2
  31
  32 extern void             s3vDDUpdateHWState(GLcontext *ctx);
  33 extern s3vScreenPtr     s3vCreateScreen(__DRIscreenPrivate *sPriv);
  34 extern void             s3vDestroyScreen(__DRIscreenPrivate *sPriv);
  35 extern GLboolean        s3vCreateContext( Display *dpy,
  36                                      const __GLcontextModes *glVisual,
  37                                      __DRIcontextPrivate *driContextPriv,
  38                                      void *sharedContextPrivate);
  39
  40 #define S3V_UPLOAD_ALL                  0xffffffff
  41 /* #define S3V_UPLOAD_CLIPRECTS         0x00000002 */
  42 #define S3V_UPLOAD_ALPHA                0x00000004
  43 #define S3V_UPLOAD_BLEND                0x00000008
  44 #define S3V_UPLOAD_DEPTH                0x00000010
  45 #define S3V_UPLOAD_VIEWPORT             0x00000020
  46 #define S3V_UPLOAD_SHADE                0x00000040
  47 #define S3V_UPLOAD_CLIP                 0x00000080
  48 #define S3V_UPLOAD_MASKS                0x00000100
  49 #define S3V_UPLOAD_WINDOW               0x00000200 /* defunct */
  50 #define S3V_UPLOAD_GEOMETRY             0x00000400
  51 #define S3V_UPLOAD_POLYGON              0x00000800
  52 #define S3V_UPLOAD_DITHER               0x00001000
  53 #define S3V_UPLOAD_LOGICOP              0x00002000
  54 #define S3V_UPLOAD_FOG                  0x00004000
  55 #define S3V_UPLOAD_LIGHT                0x00008000
  56 #define S3V_UPLOAD_CONTEXT              0x00010000
  57 #define S3V_UPLOAD_TEX0                 0x00020000
  58 #define S3V_UPLOAD_STIPPLE              0x00040000
  59 #define S3V_UPLOAD_TRANSFORM            0x00080000
  60 #define S3V_UPLOAD_LINEMODE             0x00100000
  61 #define S3V_UPLOAD_POINTMODE            0x00200000
  62 #define S3V_UPLOAD_TRIMODE              0x00400000
  63
  64 #define S3V_NEW_CLIP                    0x00000001
  65 #define S3V_NEW_WINDOW                  0x00000002
  66 #define S3V_NEW_CONTEXT                 0x00000004
  67 #define S3V_NEW_TEXTURE                 0x00000008 /* defunct */
  68 #define S3V_NEW_ALPHA                   0x00000010
  69 #define S3V_NEW_DEPTH                   0x00000020
  70 #define S3V_NEW_MASKS                   0x00000040
  71 #define S3V_NEW_POLYGON                 0x00000080
  72 #define S3V_NEW_CULL                    0x00000100
  73 #define S3V_NEW_LOGICOP                 0x00000200
  74 #define S3V_NEW_FOG                     0x00000400
  75 #define S3V_NEW_LIGHT                   0x00000800
  76 #define S3V_NEW_STIPPLE                 0x00001000
  77 #define S3V_NEW_ALL                     0xffffffff
  78
  79 #define S3V_FALLBACK_TRI                0x00000001
  80 #define S3V_FALLBACK_TEXTURE            0x00000002
  81
  82 struct s3v_context;
  83 typedef struct s3v_context s3vContextRec;
  84 typedef struct s3v_context *s3vContextPtr;
  85 typedef struct s3v_texture_object_t *s3vTextureObjectPtr;
  86
  87 #define VALID_S3V_TEXTURE_OBJECT(tobj)  (tobj)
  88
  89 #define S3V_TEX_MAXLEVELS 12
  90
  91 /* For shared texture space managment, these texture objects may also
  92  * be used as proxies for regions of texture memory containing other
  93  * client's textures.  Such proxy textures (not to be confused with GL
  94  * proxy textures) are subject to the same LRU aging we use for our
  95  * own private textures, and thus we have a mechanism where we can
  96  * fairly decide between kicking out our own textures and those of
  97  * other clients.
  98  *
  99  * Non-local texture objects have a valid MemBlock to describe the
 100  * region managed by the other client, and can be identified by
 101  * 't->globj == 0'
 102  */
 103 struct s3v_texture_object_t {
 104         struct s3v_texture_object_t *next, *prev;
 105
 106         GLuint age;
 107         struct gl_texture_object *globj;
 108
 109         int Pitch;
 110         int Height;
 111         int WidthLog2;
 112         int texelBytes;
 113         int totalSize;
 114         int bound;
 115
 116         PMemBlock MemBlock;
 117         GLuint BufAddr;
 118
 119         GLuint min_level;
 120         GLuint max_level;
 121         GLuint dirty_images;
 122
 123         GLint firstLevel, lastLevel;  /* upload tObj->Image[first .. lastLevel] */
 124
 125         struct {
 126                 const struct gl_texture_image *image;
 127                 int offset;             /* into BufAddr */
 128                 int height;
 129                 int internalFormat;
 130         } image[S3V_TEX_MAXLEVELS];
 131
 132         CARD32 TextureCMD;
 133
 134         CARD32 TextureColorMode;
 135         CARD32 TextureFilterMode;
 136         CARD32 TextureBorderColor;
 137         CARD32 TextureWrap;
 138         CARD32 TextureMipSize;
 139
 140         CARD32 TextureBaseAddr[S3V_TEX_MAXLEVELS];
 141         CARD32 TextureFormat;
 142         CARD32 TextureReadMode;
 143 };
 144
 145 #define S3V_NO_PALETTE        0x0
 146 #define S3V_USE_PALETTE       0x1
 147 #define S3V_UPDATE_PALETTE    0x2
 148 #define S3V_FALLBACK_PALETTE  0x4
 149
 150 void s3vUpdateTextureState( GLcontext *ctx );
 151
 152 void s3vDestroyTexObj( s3vContextPtr vmesa, s3vTextureObjectPtr t);
 153 void s3vUploadTexImages( s3vContextPtr vmesa, s3vTextureObjectPtr t );
 154
 155 void s3vResetGlobalLRU( s3vContextPtr vmesa );
 156 void s3vTexturesGone( s3vContextPtr vmesa,
 157                        GLuint start, GLuint end,
 158                        GLuint in_use );
 159
 160 void s3vEmitHwState( s3vContextPtr vmesa );
 161 void s3vGetLock( s3vContextPtr vmesa, GLuint flags );
 162 void s3vInitExtensions( GLcontext *ctx );
 163 void s3vInitDriverFuncs( GLcontext *ctx );
 164 void s3vInitSpanFuncs( GLcontext *ctx );
 165 void s3vInitState( s3vContextPtr vmesa );
 166 void s3vInitHW( s3vContextPtr vmesa );
 167 void s3vInitStateFuncs( GLcontext *ctx );
 168 void s3vInitTextureFuncs( GLcontext *ctx );
 169 void s3vInitTriFuncs( GLcontext *ctx );
 170
 171 void s3vUpdateWindow( GLcontext *ctx );
 172 void s3vUpdateViewportOffset( GLcontext *ctx );
 173
 174 void s3vPrintLocalLRU( s3vContextPtr vmesa );
 175 void s3vPrintGlobalLRU( s3vContextPtr vmesa );
 176
 177 extern void s3vFallback( s3vContextPtr vmesa, GLuint bit, GLboolean mode );
 178 #define FALLBACK( imesa, bit, mode ) s3vFallback( imesa, bit, mode )
 179
 180 /* Use the templated vertex formats.  Only one of these is used in s3v.
 181  */
 182 #define TAG(x) s3v##x
 183 #include "tnl_dd/t_dd_vertex.h"
 184 #undef TAG
 185
 186 typedef void (*s3v_quad_func)( s3vContextPtr,
 187                                 const s3vVertex *,
 188                                 const s3vVertex *,
 189                                 const s3vVertex *,
 190                                 const s3vVertex * );
 191 typedef void (*s3v_tri_func)( s3vContextPtr,
 192                                 const s3vVertex *,
 193                                 const s3vVertex *,
 194                                 const s3vVertex * );
 195 typedef void (*s3v_line_func)( s3vContextPtr,
 196                                 const s3vVertex *,
 197                                 const s3vVertex * );
 198 typedef void (*s3v_point_func)( s3vContextPtr,
 199                                  const s3vVertex * );
 200
 201
 202 /* static void s3v_lines_emit(GLcontext *ctx, GLuint start, GLuint end); */
 203 typedef void (*emit_func)( GLcontext *, GLuint, GLuint);
 204
 205 struct s3v_context {
 206         GLcontext               *glCtx;         /* Mesa context */
 207
 208         __DRIcontextPrivate     *driContext;
 209         __DRIscreenPrivate      *driScreen;
 210         __DRIdrawablePrivate    *driDrawable;
 211
 212         GLuint new_gl_state;
 213         GLuint new_state;
 214         GLuint dirty;
 215
 216         S3VSAREAPtr     sarea;
 217
 218         /* Temporaries for translating away float colors
 219          */
 220         struct gl_client_array UbyteColor;
 221         struct gl_client_array UbyteSecondaryColor;
 222
 223         /* Mirrors of some DRI state
 224          */
 225         Display *display;               /* X server display */
 226
 227         drmContext hHWContext;
 228         drmLock *driHwLock;
 229         int driFd;
 230
 231         GLuint numClipRects;            /* Cliprects for the draw buffer */
 232         XF86DRIClipRectPtr pClipRects;
 233
 234         CARD32* buf;                    /* FIXME */
 235         CARD32* _buf[2];
 236         int             _bufNum;
 237         int             bufIndex[2];
 238         int             bufSize;
 239         int             bufCount;
 240
 241         s3vScreenPtr    s3vScreen;              /* Screen private DRI data */
 242
 243         int             drawOffset;
 244         int             readOffset;
 245
 246         s3v_point_func  draw_point;
 247         s3v_line_func   draw_line;
 248         s3v_tri_func    draw_tri;
 249         s3v_quad_func   draw_quad;
 250
 251         GLuint Fallback;
 252         GLuint RenderIndex;
 253         GLuint SetupNewInputs;
 254         GLuint SetupIndex;
 255
 256         GLuint vertex_format;
 257         GLuint vertex_size;
 258         GLuint vertex_stride_shift;
 259         char *verts;
 260
 261         GLfloat hw_viewport[16];
 262         GLuint hw_primitive;
 263         GLenum render_primitive;
 264
 265         GLfloat depth_scale;
 266
 267         s3vTextureObjectPtr CurrentTexObj[2];
 268         struct s3v_texture_object_t TexObjList;
 269         struct s3v_texture_object_t SwappedOut;
 270         GLenum TexEnvImageFmt[2];
 271
 272         memHeap_t *texHeap;
 273
 274         int lastSwap;
 275         int texAge;
 276         int ctxAge;
 277         int dirtyAge;
 278         int lastStamp;
 279
 280         /* max was here: don't touch */
 281
 282         unsigned int S3V_REG[S3V_REGS_NUM];
 283
 284         CARD32 texMode;
 285         CARD32 alphaMode;
 286         CARD32 lightMode;
 287
 288         CARD32 SrcBase;
 289         CARD32 DestBase;
 290         CARD32 DestBlit;
 291         CARD32 ScissorLR;
 292         CARD32 ScissorTB;
 293         CARD32 ScissorWH; /* SubScissorWH */ /* RectWH */
 294         CARD32 FrontStride;
 295         CARD32 BackStride;
 296         CARD32 SrcStride;
 297         CARD32 DestStride;
 298         CARD32 SrcXY;
 299         CARD32 DestXY;
 300
 301         CARD32 ClearColor;
 302         CARD32 Color;
 303         CARD32 DitherMode;
 304         CARD32 ClearDepth;
 305
 306         CARD32 TextureBorderColor;
 307         CARD32 TexOffset;
 308         CARD32 TexStride;
 309
 310         CARD32 CMD;
 311         CARD32 prim_cmd;
 312         CARD32 _tri[2]; /* 0 = gouraud; 1 = tex (lit or unlit) */
 313         CARD32 alpha_cmd; /* actual alpha cmd */
 314         CARD32 _alpha[2];
 315         CARD32 _alpha_tex; /* tex alpha type */
 316         /* (3d_mode) 0 = 3d line/gourad tri; 1 = 3d tex tri */
 317         CARD32 _3d_mode;
 318
 319         GLfloat backface_sign;
 320         GLfloat cull_zero;
 321
 322         int restore_primitive;
 323
 324 /* *** 2check *** */
 325
 326         CARD32          FogMode;
 327         CARD32          AreaStippleMode;
 328         CARD32          LBReadFormat;
 329         CARD32          LBWriteFormat;
 330         CARD32          LineMode;
 331         CARD32          PointMode;
 332         CARD32          TriangleMode;
 333         CARD32          AntialiasMode;
 334         GLfloat         ViewportScaleX;
 335         GLfloat         ViewportScaleY;
 336         GLfloat         ViewportScaleZ;
 337         GLfloat         ViewportOffsetX;
 338         GLfloat         ViewportOffsetY;
 339         GLfloat         ViewportOffsetZ;
 340         int             MatrixMode;
 341         int             DepthMode;
 342         int             TransformMode;
 343         int             LBReadMode;
 344         int             FBReadMode;
 345         int             FBWindowBase;
 346         int             LBWindowBase;
 347         int             ColorDDAMode;
 348         int             GeometryMode;
 349         int             AlphaTestMode;
 350         int             AlphaBlendMode;
 351         int             AB_FBReadMode;
 352         int             AB_FBReadMode_Save;
 353         int             DeltaMode;
 354         int             ColorMaterialMode;
 355         int             FBHardwareWriteMask;
 356         int             MaterialMode;
 357         int             NormalizeMode;
 358         int             LightingMode;
 359         int             Light0Mode;
 360         int             Light1Mode;
 361         int             Light2Mode;
 362         int             Light3Mode;
 363         int             Light4Mode;
 364         int             Light5Mode;
 365         int             Light6Mode;
 366         int             Light7Mode;
 367         int             Light8Mode;
 368         int             Light9Mode;
 369         int             Light10Mode;
 370         int             Light11Mode;
 371         int             Light12Mode;
 372         int             Light13Mode;
 373         int             Light14Mode;
 374         int             Light15Mode;
 375         int             LogicalOpMode;
 376         int             ScissorMode;
 377         int             ScissorMaxXY;
 378         int             ScissorMinXY;
 379         int             Window; /* GID part probably should be in draw priv */
 380         int             WindowOrigin;
 381         int             x, y, w, h; /* Probably should be in drawable priv */
 382         int             FrameCount; /* Probably should be in drawable priv */
 383         int             NotClipped; /* Probably should be in drawable priv */
 384         int             WindowChanged; /* Probably should be in drawabl... */
 385         int             Flags;
 386         int             EnabledFlags;
 387         int             DepthSize;
 388         int             Begin;
 389         GLenum          ErrorValue;
 390         int             Texture1DEnabled;
 391         int             Texture2DEnabled;
 392
 393         float           ModelView[16];
 394         float           Proj[16];
 395         float           ModelViewProj[16];
 396         float           Texture[16];
 397
 398         float           ModelViewStack[(MAX_MODELVIEW_STACK-1)*16];
 399         int             ModelViewCount;
 400         float           ProjStack[(MAX_PROJECTION_STACK-1)*16];
 401         int             ProjCount;
 402         float           TextureStack[(MAX_TEXTURE_STACK-1)*16];
 403         int             TextureCount;
 404 };
 405
 406 #define S3VIRGEPACKCOLOR555( r, g, b, a ) \
 407     ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
 408      ((a) ? 0x8000 : 0))
 409
 410 #define S3VIRGEPACKCOLOR565( r, g, b ) \
 411     ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 412
 413 #define S3VIRGEPACKCOLOR888( r, g, b ) \
 414     (((r) << 16) | ((g) << 8) | (b))
 415
 416 #define S3VIRGEPACKCOLOR8888( r, g, b, a ) \
 417     (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
 418
 419 #define S3VIRGEPACKCOLOR4444( r, g, b, a ) \
 420     ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
 421
 422 static __inline GLuint s3vPackColor( GLuint cpp,
 423                                         GLubyte r, GLubyte g,
 424                                         GLubyte b, GLubyte a )
 425 {
 426         unsigned int ret;
 427         DEBUG(("cpp = %i, r=0x%x, g=0x%x, b=0x%x, a=0x%x\n", cpp, r, g, b, a));
 428
 429         switch ( cpp ) {
 430         case 2:
 431                 ret = S3VIRGEPACKCOLOR555( r, g, b, a );
 432                 DEBUG(("ret = 0x%x\n", ret));
 433                 return ret;
 434         case 4:
 435                 return PACK_COLOR_8888( a, r, g, b );
 436         default:
 437         return 0;
 438         }
 439 }
 440
 441 #define S3V_CONTEXT(ctx)        ((s3vContextPtr)(ctx->DriverCtx))
 442
 443 #endif /* _S3V_CONTEXT_H_ */