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 "colormac.h"
  15 #include "macros.h"
  16 #include "mtypes.h"
  17 #include "drm.h"
  18 #include "mm.h"
  19 #include "drirenderbuffer.h"
  20
  21 /* Flags for context */
  22 #define S3V_FRONT_BUFFER    0x00000001
  23 #define S3V_BACK_BUFFER     0x00000002
  24 #define S3V_DEPTH_BUFFER    0x00000004
  25
  26         /* FIXME: check */
  27 #define S3V_MAX_TEXTURE_SIZE    2048
  28
  29 /* These are the minimum requirements and should probably be increased */
  30 #define MAX_MODELVIEW_STACK    16
  31 #define MAX_PROJECTION_STACK    2
  32 #define MAX_TEXTURE_STACK       2
  33
  34 extern void             s3vDDUpdateHWState(GLcontext *ctx);
  35 extern s3vScreenPtr     s3vCreateScreen(__DRIscreenPrivate *sPriv);
  36 extern void             s3vDestroyScreen(__DRIscreenPrivate *sPriv);
  37 extern GLboolean        s3vCreateContext(const __GLcontextModes *glVisual,
  38                                      __DRIcontextPrivate *driContextPriv,
  39                                      void *sharedContextPrivate);
  40
  41 #define S3V_UPLOAD_ALL                  0xffffffff
  42 /* #define S3V_UPLOAD_CLIPRECTS         0x00000002 */
  43 #define S3V_UPLOAD_ALPHA                0x00000004
  44 #define S3V_UPLOAD_BLEND                0x00000008
  45 #define S3V_UPLOAD_DEPTH                0x00000010
  46 #define S3V_UPLOAD_VIEWPORT             0x00000020
  47 #define S3V_UPLOAD_SHADE                0x00000040
  48 #define S3V_UPLOAD_CLIP                 0x00000080
  49 #define S3V_UPLOAD_MASKS                0x00000100
  50 #define S3V_UPLOAD_WINDOW               0x00000200 /* defunct */
  51 #define S3V_UPLOAD_GEOMETRY             0x00000400
  52 #define S3V_UPLOAD_POLYGON              0x00000800
  53 #define S3V_UPLOAD_DITHER               0x00001000
  54 #define S3V_UPLOAD_LOGICOP              0x00002000
  55 #define S3V_UPLOAD_FOG                  0x00004000
  56 #define S3V_UPLOAD_LIGHT                0x00008000
  57 #define S3V_UPLOAD_CONTEXT              0x00010000
  58 #define S3V_UPLOAD_TEX0                 0x00020000
  59 #define S3V_UPLOAD_STIPPLE              0x00040000
  60 #define S3V_UPLOAD_TRANSFORM            0x00080000
  61 #define S3V_UPLOAD_LINEMODE             0x00100000
  62 #define S3V_UPLOAD_POINTMODE            0x00200000
  63 #define S3V_UPLOAD_TRIMODE              0x00400000
  64
  65 #define S3V_NEW_CLIP                    0x00000001
  66 #define S3V_NEW_WINDOW                  0x00000002
  67 #define S3V_NEW_CONTEXT                 0x00000004
  68 #define S3V_NEW_TEXTURE                 0x00000008 /* defunct */
  69 #define S3V_NEW_ALPHA                   0x00000010
  70 #define S3V_NEW_DEPTH                   0x00000020
  71 #define S3V_NEW_MASKS                   0x00000040
  72 #define S3V_NEW_POLYGON                 0x00000080
  73 #define S3V_NEW_CULL                    0x00000100
  74 #define S3V_NEW_LOGICOP                 0x00000200
  75 #define S3V_NEW_FOG                     0x00000400
  76 #define S3V_NEW_LIGHT                   0x00000800
  77 #define S3V_NEW_STIPPLE                 0x00001000
  78 #define S3V_NEW_ALL                     0xffffffff
  79
  80 #define S3V_FALLBACK_TRI                0x00000001
  81 #define S3V_FALLBACK_TEXTURE            0x00000002
  82
  83 struct s3v_context;
  84 typedef struct s3v_context s3vContextRec;
  85 typedef struct s3v_context *s3vContextPtr;
  86 typedef struct s3v_texture_object_t *s3vTextureObjectPtr;
  87
  88 #define VALID_S3V_TEXTURE_OBJECT(tobj)  (tobj)
  89
  90 #define S3V_TEX_MAXLEVELS 12
  91
  92 /* For shared texture space managment, these texture objects may also
  93  * be used as proxies for regions of texture memory containing other
  94  * client's textures.  Such proxy textures (not to be confused with GL
  95  * proxy textures) are subject to the same LRU aging we use for our
  96  * own private textures, and thus we have a mechanism where we can
  97  * fairly decide between kicking out our own textures and those of
  98  * other clients.
  99  *
 100  * Non-local texture objects have a valid MemBlock to describe the
 101  * region managed by the other client, and can be identified by
 102  * 't->globj == 0'
 103  */
 104 struct s3v_texture_object_t {
 105         struct s3v_texture_object_t *next, *prev;
 106
 107         GLuint age;
 108         struct gl_texture_object *globj;
 109
 110         int Pitch;
 111         int Height;
 112         int WidthLog2;
 113         int texelBytes;
 114         int totalSize;
 115         int bound;
 116
 117         struct mem_block *MemBlock;
 118         GLuint BufAddr;
 119
 120         GLuint min_level;
 121         GLuint max_level;
 122         GLuint dirty_images;
 123
 124         GLint firstLevel, lastLevel;  /* upload tObj->Image[first .. lastLevel] */
 125
 126         struct {
 127                 const struct gl_texture_image *image;
 128                 int offset;             /* into BufAddr */
 129                 int height;
 130                 int internalFormat;
 131         } image[S3V_TEX_MAXLEVELS];
 132
 133         GLuint TextureCMD;
 134
 135         GLuint TextureColorMode;
 136         GLuint TextureFilterMode;
 137         GLuint TextureBorderColor;
 138         GLuint TextureWrap;
 139         GLuint TextureMipSize;
 140
 141         GLuint TextureBaseAddr[S3V_TEX_MAXLEVELS];
 142         GLuint TextureFormat;
 143         GLuint TextureReadMode;
 144 };
 145
 146 #define S3V_NO_PALETTE        0x0
 147 #define S3V_USE_PALETTE       0x1
 148 #define S3V_UPDATE_PALETTE    0x2
 149 #define S3V_FALLBACK_PALETTE  0x4
 150
 151 void s3vUpdateTextureState( GLcontext *ctx );
 152
 153 void s3vDestroyTexObj( s3vContextPtr vmesa, s3vTextureObjectPtr t);
 154 void s3vUploadTexImages( s3vContextPtr vmesa, s3vTextureObjectPtr t );
 155
 156 void s3vResetGlobalLRU( s3vContextPtr vmesa );
 157 void s3vTexturesGone( s3vContextPtr vmesa,
 158                        GLuint start, GLuint end,
 159                        GLuint in_use );
 160
 161 void s3vEmitHwState( s3vContextPtr vmesa );
 162 void s3vGetLock( s3vContextPtr vmesa, GLuint flags );
 163 void s3vInitExtensions( GLcontext *ctx );
 164 void s3vInitDriverFuncs( GLcontext *ctx );
 165 void s3vSetSpanFunctions(driRenderbuffer *rb, const GLvisual *vis);
 166 void s3vInitState( s3vContextPtr vmesa );
 167 void s3vInitHW( s3vContextPtr vmesa );
 168 void s3vInitStateFuncs( GLcontext *ctx );
 169 void s3vInitTextureFuncs( GLcontext *ctx );
 170 void s3vInitTriFuncs( GLcontext *ctx );
 171
 172 void s3vUpdateWindow( GLcontext *ctx );
 173 void s3vUpdateViewportOffset( GLcontext *ctx );
 174
 175 void s3vPrintLocalLRU( s3vContextPtr vmesa );
 176 void s3vPrintGlobalLRU( s3vContextPtr vmesa );
 177
 178 extern void s3vFallback( s3vContextPtr vmesa, GLuint bit, GLboolean mode );
 179 #define FALLBACK( imesa, bit, mode ) s3vFallback( imesa, bit, mode )
 180
 181 /* Use the templated vertex formats.  Only one of these is used in s3v.
 182  */
 183 #define TAG(x) s3v##x
 184 #include "tnl_dd/t_dd_vertex.h"
 185 #undef TAG
 186
 187 typedef void (*s3v_quad_func)( s3vContextPtr,
 188                                 const s3vVertex *,
 189                                 const s3vVertex *,
 190                                 const s3vVertex *,
 191                                 const s3vVertex * );
 192 typedef void (*s3v_tri_func)( s3vContextPtr,
 193                                 const s3vVertex *,
 194                                 const s3vVertex *,
 195                                 const s3vVertex * );
 196 typedef void (*s3v_line_func)( s3vContextPtr,
 197                                 const s3vVertex *,
 198                                 const s3vVertex * );
 199 typedef void (*s3v_point_func)( s3vContextPtr,
 200                                  const s3vVertex * );
 201
 202
 203 /* static void s3v_lines_emit(GLcontext *ctx, GLuint start, GLuint end); */
 204 typedef void (*emit_func)( GLcontext *, GLuint, GLuint);
 205
 206 struct s3v_context {
 207         GLcontext               *glCtx;         /* Mesa context */
 208
 209         __DRIcontextPrivate     *driContext;
 210         __DRIscreenPrivate      *driScreen;
 211         __DRIdrawablePrivate    *driDrawable;
 212
 213         GLuint new_gl_state;
 214         GLuint new_state;
 215         GLuint dirty;
 216
 217         S3VSAREAPtr     sarea;
 218
 219         /* Temporaries for translating away float colors
 220          */
 221         struct gl_client_array UbyteColor;
 222         struct gl_client_array UbyteSecondaryColor;
 223
 224         /* Mirrors of some DRI state
 225          */
 226
 227         drm_context_t hHWContext;
 228         drmLock *driHwLock;
 229         int driFd;
 230
 231         GLuint numClipRects;            /* Cliprects for the draw buffer */
 232         drm_clip_rect_t *pClipRects;
 233
 234         GLuint* buf;                    /* FIXME */
 235         GLuint* _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         struct mem_block *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         GLuint texMode;
 285         GLuint alphaMode;
 286         GLuint lightMode;
 287
 288         GLuint SrcBase;
 289         GLuint DestBase;
 290         GLuint DestBlit;
 291         GLuint ScissorLR;
 292         GLuint ScissorTB;
 293         GLuint ScissorWH; /* SubScissorWH */ /* RectWH */
 294         GLuint FrontStride;
 295         GLuint BackStride;
 296         GLuint SrcStride;
 297         GLuint DestStride;
 298         GLuint SrcXY;
 299         GLuint DestXY;
 300
 301         GLuint ClearColor;
 302         GLuint Color;
 303         GLuint DitherMode;
 304         GLuint ClearDepth;
 305
 306         GLuint TextureBorderColor;
 307         GLuint TexOffset;
 308         GLuint TexStride;
 309
 310         GLuint CMD;
 311         GLuint prim_cmd;
 312         GLuint _tri[2]; /* 0 = gouraud; 1 = tex (lit or unlit) */
 313         GLuint alpha_cmd; /* actual alpha cmd */
 314         GLuint _alpha[2];
 315         GLuint _alpha_tex; /* tex alpha type */
 316         /* (3d_mode) 0 = 3d line/gourad tri; 1 = 3d tex tri */
 317         GLuint _3d_mode;
 318
 319         GLfloat backface_sign;
 320         GLfloat cull_zero;
 321
 322         int restore_primitive;
 323
 324 /* *** 2check *** */
 325
 326         GLuint          FogMode;
 327         GLuint          AreaStippleMode;
 328         GLuint          LBReadFormat;
 329         GLuint          LBWriteFormat;
 330         GLuint          LineMode;
 331         GLuint          PointMode;
 332         GLuint          TriangleMode;
 333         GLuint          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_ */