src/mesa/drivers/dri/sis/sis_context.h

   1 /**************************************************************************
   2
   3 Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
   4 Copyright 2003 Eric Anholt
   5 All Rights Reserved.
   6
   7 Permission is hereby granted, free of charge, to any person obtaining a
   8 copy of this software and associated documentation files (the "Software"),
   9 to deal in the Software without restriction, including without limitation
  10 on the rights to use, copy, modify, merge, publish, distribute, sub
  11 license, and/or sell copies of the Software, and to permit persons to whom
  12 the Software is furnished to do so, subject to the following conditions:
  13
  14 The above copyright notice and this permission notice (including the next
  15 paragraph) shall be included in all copies or substantial portions of the
  16 Software.
  17
  18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  21 ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP BE LIABLE FOR ANY CLAIM,
  22 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  23 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  24 USE OR OTHER DEALINGS IN THE SOFTWARE.
  25
  26 **************************************************************************/
  27 /* $XFree86$ */
  28
  29 /*
  30  * Authors:
  31  *   Sung-Ching Lin <sclin@sis.com.tw>
  32  *   Eric Anholt <anholt@FreeBSD.org>
  33  */
  34
  35 #ifndef _sis_ctx_h_
  36 #define _sis_ctx_h_
  37
  38 #include "context.h"
  39 #include "dri_util.h"
  40 #include "drm.h"
  41 #include "drm_sarea.h"
  42 #include "xmlconfig.h"
  43 #include "tnl/t_vertex.h"
  44
  45 #include "sis_screen.h"
  46 #include "sis_reg.h"
  47 #include "sis6326_reg.h"
  48 #include "sis_dri.h"
  49
  50 /* for GLboolean */
  51 #include <GL/gl.h>
  52
  53 #define PCI_CHIP_SIS300         0x0300
  54 #define PCI_CHIP_SIS630         0x6300
  55 #define PCI_CHIP_SIS540         0x5300
  56
  57 #define NEW_TEXTURING           0x1
  58 #define NEW_TEXTURE_ENV         0x2
  59
  60 /* Flags for software fallback cases:
  61  */
  62 #define SIS_FALLBACK_TEXTURE            0x0001
  63 #define SIS_FALLBACK_TEXTURE0           0x0002
  64 #define SIS_FALLBACK_TEXTURE1           0x0004
  65 #define SIS_FALLBACK_TEXENV0            0x0008
  66 #define SIS_FALLBACK_TEXENV1            0x0010
  67 #define SIS_FALLBACK_DRAW_BUFFER        0x0020
  68 #define SIS_FALLBACK_STENCIL            0x0040
  69 #define SIS_FALLBACK_WRITEMASK          0x0080
  70 #define SIS_FALLBACK_DISABLE            0x0100
  71
  72 /* Flags for hardware state that needs to be updated */
  73 #define GFLAG_ENABLESETTING             0x00000001
  74 #define GFLAG_ENABLESETTING2            0x00000002
  75 #define GFLAG_ZSETTING                  0x00000004
  76 #define GFLAG_ALPHASETTING              0x00000008
  77 #define GFLAG_DESTSETTING               0x00000010
  78 #define GFLAG_LINESETTING               0x00000020
  79 #define GFLAG_STENCILSETTING            0x00000040
  80 #define GFLAG_FOGSETTING                0x00000080
  81 #define GFLAG_DSTBLEND                  0x00000100
  82 #define GFLAG_CLIPPING                  0x00000200
  83 #define CFLAG_TEXTURERESET              0x00000400
  84 #define GFLAG_TEXTUREMIPMAP             0x00000800
  85 #define GFLAG_TEXBORDERCOLOR            0x00001000
  86 #define GFLAG_TEXTUREADDRESS            0x00002000
  87 #define GFLAG_TEXTUREENV                0x00004000
  88 #define CFLAG_TEXTURERESET_1            0x00008000
  89 #define GFLAG_TEXTUREMIPMAP_1           0x00010000
  90 #define GFLAG_TEXBORDERCOLOR_1          0x00020000
  91 #define GFLAG_TEXTUREADDRESS_1          0x00040000
  92 #define GFLAG_TEXTUREENV_1              0x00080000
  93 #define GFLAG_ALL                       0x000fffff
  94
  95 #define GFLAG_TEXTURE_STATES (CFLAG_TEXTURERESET | GFLAG_TEXTUREMIPMAP | \
  96                               GFLAG_TEXBORDERCOLOR | GFLAG_TEXTUREADDRESS | \
  97                               CFLAG_TEXTURERESET_1 | GFLAG_TEXTUREMIPMAP_1 | \
  98                               GFLAG_TEXBORDERCOLOR_1 | \
  99                               GFLAG_TEXTUREADDRESS_1 | \
 100                               GFLAG_TEXTUREENV | GFLAG_TEXTUREENV_1)
 101
 102
 103 #define GFLAG_RENDER_STATES  (GFLAG_ENABLESETTING | GFLAG_ENABLESETTING2 | \
 104                               GFLAG_ZSETTING | GFLAG_ALPHASETTING | \
 105                               GFLAG_DESTSETTING | GFLAG_FOGSETTING | \
 106                               GFLAG_STENCILSETTING | GFLAG_DSTBLEND | \
 107                               GFLAG_CLIPPING)
 108
 109 /* Use the templated vertex format:
 110  */
 111 #define TAG(x) sis##x
 112 #include "tnl_dd/t_dd_vertex.h"
 113 #undef TAG
 114
 115 /* Subpixel offsets for window coordinates (triangles):
 116  */
 117 #define SUBPIXEL_X  (-0.5F)
 118 #define SUBPIXEL_Y  (-0.5F)
 119
 120 #define SIS_MAX_TEXTURE_SIZE 2048
 121 #define SIS_MAX_TEXTURES 2
 122 #define SIS_MAX_TEXTURE_LEVELS          11
 123 #define SIS_MAX_FRAME_LENGTH 3
 124
 125 typedef struct {
 126    GLubyte *Data;               /* Pointer to texture in offscreen */
 127    GLuint memType;              /* VIDEO_TYPE or AGP_TYPE */
 128    void *handle;                /* Handle for sisFree*() */
 129    GLuint pitch;
 130    GLuint size;
 131 } sisTexImage;
 132
 133 typedef struct sis_tex_obj {
 134    sisTexImage image[SIS_MAX_TEXTURE_LEVELS];   /* Image data for each mipmap
 135                                                  * level */
 136    GLenum format;               /* One of GL_ALPHA, GL_INTENSITY, GL_LUMINANCE,
 137                                  * GL_LUMINANCE_ALPHA, GL_RGB, GL_RGBA
 138                                  * MESA_YCBCR */
 139    GLint hwformat;              /* One of the TEXEL_ defines */
 140    GLint numImages;             /* Number of images loaded into .image */
 141 } sisTexObj, *sisTexObjPtr;
 142
 143 /*
 144  ** Device dependent context state
 145  */
 146 typedef struct __GLSiSTextureRec
 147 {
 148   GLint hwTextureSet;
 149   GLint hwTextureMip;
 150   GLint hwTextureClrHigh;
 151   GLint hwTextureClrLow;
 152   GLint hwTexWidthHeight;       /* 6326: Texture Blending Setting */
 153   GLint hwTextureBorderColor;
 154
 155   GLint texOffset0;
 156   GLint texOffset1;
 157   GLint texOffset2;
 158   GLint texOffset3;
 159   GLint texOffset4;
 160   GLint texOffset5;
 161   GLint texOffset6;
 162   GLint texOffset7;
 163   GLint texOffset8;
 164   GLint texOffset9;
 165   GLint texOffset10;
 166   GLint texOffset11;
 167
 168   GLint texPitch01;
 169   GLint texPitch23;
 170   GLint texPitch45;
 171   GLint texPitch67;
 172   GLint texPitch89;
 173   GLint texPitch10;
 174 } __GLSiSTexture;
 175
 176 typedef struct __GLSiSHardwareRec
 177 {
 178   GLint hwCapEnable, hwCapEnable2;      /*  Enable Setting */
 179
 180   GLint hwOffsetZ, hwZ;         /* Z Setting */
 181
 182   GLint hwZBias, hwZMask;       /* Z Setting */
 183
 184   GLint hwAlpha;                /* Alpha Setting */
 185
 186   GLint hwDstSet, hwDstMask;    /* Destination Setting */
 187
 188   GLint hwOffsetDest;           /* Destination Setting */
 189
 190   GLint hwLinePattern;          /* Line Setting */
 191
 192   GLint hwFog;                  /* Fog Setting */
 193
 194   GLint hwFogFar, hwFogInverse; /* Fog Distance setting */
 195
 196   GLint hwFogDensity;           /* Fog factor & density */
 197
 198   GLint hwStSetting, hwStSetting2;      /* Stencil Setting */
 199
 200   GLint hwStOffset;             /* Stencil Setting */
 201
 202   GLint hwDstSrcBlend;          /* Blending mode Setting */
 203
 204   GLint clipTopBottom;          /* Clip for Top & Bottom */
 205
 206   GLint clipLeftRight;          /* Clip for Left & Right */
 207
 208   struct __GLSiSTextureRec texture[2];
 209
 210   GLint hwTexEnvColor;          /* Texture Blending Setting */
 211
 212   GLint hwTexBlendSet;          /* 6326 */
 213   GLint hwTexBlendColor0;
 214   GLint hwTexBlendColor1;
 215   GLint hwTexBlendAlpha0;
 216   GLint hwTexBlendAlpha1;
 217
 218 }
 219 __GLSiSHardware;
 220
 221 typedef struct sis_context sisContextRec;
 222 typedef struct sis_context *sisContextPtr;
 223
 224 typedef void (*sis_quad_func)( sisContextPtr,
 225                                sisVertex *,
 226                                sisVertex *,
 227                                sisVertex *,
 228                                sisVertex * );
 229
 230 typedef void (*sis_tri_func)( sisContextPtr,
 231                               sisVertex *,
 232                               sisVertex *,
 233                               sisVertex * );
 234
 235 typedef void (*sis_line_func)( sisContextPtr,
 236                                sisVertex *,
 237                                sisVertex * );
 238
 239 typedef void (*sis_point_func)( sisContextPtr,
 240                                 sisVertex * );
 241
 242 /**
 243  * Derived from gl_renderbuffer.
 244  */
 245 struct sis_renderbuffer {
 246    struct gl_renderbuffer Base;  /* must be first! */
 247    drmSize size;
 248    GLuint offset;
 249    void *handle;
 250    GLuint pitch;
 251    GLuint bpp;
 252    char *map;
 253 };
 254
 255 /* Device dependent context state */
 256
 257 struct sis_context
 258 {
 259   /* This must be first in this structure */
 260   GLcontext *glCtx;
 261
 262   /* Vertex state */
 263   GLuint vertex_size;
 264   struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 265   GLuint vertex_attr_count;
 266   char *verts;                  /* points to tnl->clipspace.vertex_buf */
 267
 268   /* Vertex buffer (in system memory or AGP) state. */
 269   unsigned char *vb;            /* Beginning of vertex buffer */
 270   unsigned char *vb_cur;        /* Current write location in vertex buffer */
 271   unsigned char *vb_last;       /* Last written location in vertex buffer */
 272   unsigned char *vb_end;        /* End of vertex buffer */
 273   void *vb_agp_handle;
 274   GLuint vb_agp_offset;
 275   GLboolean using_agp;
 276   GLint coloroffset;            /* Offset in vertex format of current color */
 277   GLint specoffset;             /* Offset in vertex format of specular color */
 278
 279   GLuint NewGLState;
 280   GLuint Fallback;
 281   GLuint RenderIndex;
 282   GLfloat hw_viewport[16];
 283   GLfloat depth_scale;
 284
 285   unsigned int virtualX, virtualY;
 286   unsigned int bytesPerPixel;
 287   unsigned char *IOBase;
 288   unsigned char *FbBase;
 289   unsigned int displayWidth;
 290
 291   /* HW RGBA layout */
 292   unsigned int redMask, greenMask, blueMask, alphaMask;
 293   unsigned int colorFormat;
 294
 295   /* Z format */
 296   unsigned int zFormat;
 297
 298   /* Clear patterns, 4 bytes */
 299   unsigned int clearColorPattern;
 300   unsigned int clearZStencilPattern;
 301
 302   /* Fallback rasterization functions
 303    */
 304   sis_point_func draw_point;
 305   sis_line_func draw_line;
 306   sis_tri_func draw_tri;
 307   sis_quad_func draw_quad;
 308
 309   GLuint hw_primitive;
 310   GLenum raster_primitive;
 311   GLenum render_primitive;
 312
 313   /* DRM fd */
 314   int driFd;
 315
 316   /* AGP Memory */
 317   unsigned int AGPSize;
 318   unsigned char *AGPBase;
 319   unsigned int AGPAddr;
 320
 321   /* register 0x89F4 */
 322   GLint AGPParseSet;
 323
 324   /* register 0x89F8 */
 325   GLint dwPrimitiveSet;
 326
 327   __GLSiSHardware prev, current;
 328
 329   int Chipset;
 330   GLboolean is6326;
 331
 332   GLint drawableID;
 333
 334   GLint GlobalFlag;
 335   DECLARE_RENDERINPUTS(last_tcl_state_bitset);
 336
 337   /* Stereo */
 338   GLboolean useStereo;
 339   GLboolean stereoEnabled;
 340   int stereo_drawIndex;
 341   int stereo_drawSide;
 342   GLboolean irqEnabled;
 343
 344   GLboolean clearTexCache;
 345
 346   GLuint TexStates[SIS_MAX_TEXTURES];
 347   GLuint PrevTexFormat[SIS_MAX_TEXTURES];
 348
 349   int *CurrentQueueLenPtr;
 350   unsigned int *FrameCountPtr;
 351
 352   /* Front/back/depth buffer info */
 353   GLuint width, height;                 /* size of buffers */
 354   GLint bottom;                         /* used for FLIP macro */
 355   /* XXX These don't belong here.  They should be per-drawable state. */
 356   struct sis_renderbuffer front;
 357   struct sis_renderbuffer back;
 358   struct sis_renderbuffer depth;
 359   struct sis_renderbuffer stencil; /* mirrors depth */
 360
 361   /* Mirrors of some DRI state
 362    */
 363   __DRIcontextPrivate   *driContext;    /* DRI context */
 364   __DRIscreenPrivate    *driScreen;     /* DRI screen */
 365   __DRIdrawablePrivate  *driDrawable;   /* DRI drawable bound to this ctx */
 366
 367   unsigned int lastStamp;               /* mirror driDrawable->lastStamp */
 368
 369   drm_context_t hHWContext;
 370   drm_hw_lock_t *driHwLock;
 371
 372   sisScreenPtr sisScreen;               /* Screen private DRI data */
 373   SISSAREAPrivPtr sarea;                /* Private SAREA data */
 374
 375    /* Configuration cache */
 376    driOptionCache optionCache;
 377     GLint texture_depth;
 378 };
 379
 380 #define SIS_CONTEXT(ctx)                ((sisContextPtr)(ctx->DriverCtx))
 381
 382 /* Macros */
 383 #define GET_IOBase(x) ((x)->IOBase)
 384
 385 #define Y_FLIP(Y)  (smesa->bottom - (Y))
 386
 387 #define SISPACKCOLOR565( r, g, b )                                      \
 388    ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 389
 390 #define SISPACKCOLOR8888( r, g, b, a )                                  \
 391    (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
 392
 393 #define SIS_VERBOSE 0
 394
 395
 396 #define MMIO(reg, value) \
 397 {\
 398    *(volatile GLint *)(smesa->IOBase + (reg)) = value;                  \
 399 }
 400
 401 #define MMIO_READ(reg) *(volatile GLint *)(smesa->IOBase + (reg))
 402 #define MMIO_READf(reg) *(volatile GLfloat *)(smesa->IOBase + (reg))
 403
 404 #if defined(__i386__) || defined(__amd64__)
 405 #define MMIO_WMB()      __asm __volatile("" : : : "memory")
 406 #elif defined(__ia64__)
 407 #define MMIO_WMB()      __asm __volatile("mf" : : : "memory")
 408 #else
 409 #error platform needs WMB
 410 #endif
 411
 412 #define mEndPrimitive()  \
 413 {       \
 414    *(volatile GLubyte *)(smesa->IOBase + REG_3D_EndPrimitiveList) = 0xff; \
 415    *(volatile GLuint *)(smesa->IOBase + 0x8b60) = 0xffffffff;           \
 416 }
 417
 418 #define sis_fatal_error(...)                                            \
 419 do {                                                                    \
 420         fprintf(stderr, "[%s:%d]:", __FILE__, __LINE__);                \
 421         fprintf(stderr, __VA_ARGS__);                                   \
 422         exit(-1);                                                       \
 423 } while (0)
 424
 425 /* Lock required */
 426 #define mWait3DCmdQueue(wLen)                                           \
 427 /* Update the mirrored queue pointer if it doesn't indicate enough space */ \
 428 if (*(smesa->CurrentQueueLenPtr) < (wLen)) {                            \
 429    *(smesa->CurrentQueueLenPtr) =                                       \
 430       (*(GLint *)(GET_IOBase(smesa) + REG_CommandQueue) & MASK_QueueLen) - 20; \
 431    /* Spin and wait if the queue is actually too full */                \
 432    if (*(smesa->CurrentQueueLenPtr) < (wLen))                           \
 433       WaitingFor3dIdle(smesa, wLen);                                    \
 434    *(smesa->CurrentQueueLenPtr) -= wLen;                                \
 435 }
 436
 437 enum _sis_verbose {
 438         VERBOSE_SIS_BUFFER  = 0x1,
 439         VERBOSE_SIS_MEMORY  = 0x2
 440 };
 441
 442 extern GLboolean sisCreateContext( const __GLcontextModes *glVisual,
 443                                    __DRIcontextPrivate *driContextPriv,
 444                                    void *sharedContextPrivate );
 445 extern void sisDestroyContext( __DRIcontextPrivate * );
 446
 447 void sisReAllocateBuffers(GLcontext *ctx, GLframebuffer *drawbuffer,
 448                           GLuint width, GLuint height);
 449
 450 extern GLboolean sisMakeCurrent( __DRIcontextPrivate *driContextPriv,
 451                                   __DRIdrawablePrivate *driDrawPriv,
 452                                   __DRIdrawablePrivate *driReadPriv );
 453
 454 extern GLboolean sisUnbindContext( __DRIcontextPrivate *driContextPriv );
 455
 456 void WaitEngIdle (sisContextPtr smesa);
 457 void Wait2DEngIdle (sisContextPtr smesa);
 458 void WaitingFor3dIdle(sisContextPtr smesa, int wLen);
 459
 460 /* update to hw */
 461 extern void sis_update_texture_state( sisContextPtr smesa );
 462 extern void sis_update_render_state( sisContextPtr smesa );
 463 extern void sis6326_update_texture_state( sisContextPtr smesa );
 464 extern void sis6326_update_render_state( sisContextPtr smesa );
 465
 466 /* ================================================================
 467  * Debugging:
 468  */
 469 #define DO_DEBUG                1
 470
 471 #if DO_DEBUG
 472 extern int SIS_DEBUG;
 473 #else
 474 #define SIS_DEBUG               0
 475 #endif
 476
 477 #define DEBUG_FALLBACKS         0x01
 478
 479 #endif /* _sis_ctx_h_ */