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
  28 /*
  29  * Authors:
  30  *   Sung-Ching Lin <sclin@sis.com.tw>
  31  *   Eric Anholt <anholt@FreeBSD.org>
  32  */
  33
  34 #ifndef _sis_ctx_h_
  35 #define _sis_ctx_h_
  36
  37 #include "main/context.h"
  38 #include "dri_util.h"
  39 #include "drm.h"
  40 #include "drm_sarea.h"
  41 #include "xmlconfig.h"
  42 #include "tnl/t_vertex.h"
  43
  44 #include "sis_screen.h"
  45 #include "sis_reg.h"
  46 #include "sis6326_reg.h"
  47 #include "sis_dri.h"
  48
  49 /* for GLboolean */
  50 #include <GL/gl.h>
  51
  52 #define PCI_CHIP_SIS300         0x0300
  53 #define PCI_CHIP_SIS630         0x6300
  54 #define PCI_CHIP_SIS540         0x5300
  55
  56 #define NEW_TEXTURING           0x1
  57 #define NEW_TEXTURE_ENV         0x2
  58
  59 /* Flags for software fallback cases:
  60  */
  61 #define SIS_FALLBACK_TEXTURE            0x0001
  62 #define SIS_FALLBACK_TEXTURE0           0x0002
  63 #define SIS_FALLBACK_TEXTURE1           0x0004
  64 #define SIS_FALLBACK_TEXENV0            0x0008
  65 #define SIS_FALLBACK_TEXENV1            0x0010
  66 #define SIS_FALLBACK_DRAW_BUFFER        0x0020
  67 #define SIS_FALLBACK_STENCIL            0x0040
  68 #define SIS_FALLBACK_WRITEMASK          0x0080
  69 #define SIS_FALLBACK_DISABLE            0x0100
  70
  71 /* Flags for hardware state that needs to be updated */
  72 #define GFLAG_ENABLESETTING             0x00000001
  73 #define GFLAG_ENABLESETTING2            0x00000002
  74 #define GFLAG_ZSETTING                  0x00000004
  75 #define GFLAG_ALPHASETTING              0x00000008
  76 #define GFLAG_DESTSETTING               0x00000010
  77 #define GFLAG_LINESETTING               0x00000020
  78 #define GFLAG_STENCILSETTING            0x00000040
  79 #define GFLAG_FOGSETTING                0x00000080
  80 #define GFLAG_DSTBLEND                  0x00000100
  81 #define GFLAG_CLIPPING                  0x00000200
  82 #define CFLAG_TEXTURERESET              0x00000400
  83 #define GFLAG_TEXTUREMIPMAP             0x00000800
  84 #define GFLAG_TEXBORDERCOLOR            0x00001000
  85 #define GFLAG_TEXTUREADDRESS            0x00002000
  86 #define GFLAG_TEXTUREENV                0x00004000
  87 #define CFLAG_TEXTURERESET_1            0x00008000
  88 #define GFLAG_TEXTUREMIPMAP_1           0x00010000
  89 #define GFLAG_TEXBORDERCOLOR_1          0x00020000
  90 #define GFLAG_TEXTUREADDRESS_1          0x00040000
  91 #define GFLAG_TEXTUREENV_1              0x00080000
  92 #define GFLAG_ALL                       0x000fffff
  93
  94 #define GFLAG_TEXTURE_STATES (CFLAG_TEXTURERESET | GFLAG_TEXTUREMIPMAP | \
  95                               GFLAG_TEXBORDERCOLOR | GFLAG_TEXTUREADDRESS | \
  96                               CFLAG_TEXTURERESET_1 | GFLAG_TEXTUREMIPMAP_1 | \
  97                               GFLAG_TEXBORDERCOLOR_1 | \
  98                               GFLAG_TEXTUREADDRESS_1 | \
  99                               GFLAG_TEXTUREENV | GFLAG_TEXTUREENV_1)
 100
 101
 102 #define GFLAG_RENDER_STATES  (GFLAG_ENABLESETTING | GFLAG_ENABLESETTING2 | \
 103                               GFLAG_ZSETTING | GFLAG_ALPHASETTING | \
 104                               GFLAG_DESTSETTING | GFLAG_FOGSETTING | \
 105                               GFLAG_STENCILSETTING | GFLAG_DSTBLEND | \
 106                               GFLAG_CLIPPING)
 107
 108 /* Use the templated vertex format:
 109  */
 110 #define TAG(x) sis##x
 111 #include "tnl_dd/t_dd_vertex.h"
 112 #undef TAG
 113
 114 /* Subpixel offsets for window coordinates (triangles):
 115  */
 116 #define SUBPIXEL_X  (-0.5F)
 117 #define SUBPIXEL_Y  (-0.5F)
 118
 119 #define SIS_MAX_TEXTURE_SIZE 2048
 120 #define SIS_MAX_TEXTURES 2
 121 #define SIS_MAX_TEXTURE_LEVELS          11
 122 #define SIS_MAX_FRAME_LENGTH 3
 123
 124 typedef struct {
 125    GLubyte *Data;               /* Pointer to texture in offscreen */
 126    GLuint memType;              /* VIDEO_TYPE or AGP_TYPE */
 127    void *handle;                /* Handle for sisFree*() */
 128    GLuint pitch;
 129    GLuint size;
 130 } sisTexImage;
 131
 132 typedef struct sis_tex_obj {
 133    sisTexImage image[SIS_MAX_TEXTURE_LEVELS];   /* Image data for each mipmap
 134                                                  * level */
 135    GLenum format;               /* One of GL_ALPHA, GL_INTENSITY, GL_LUMINANCE,
 136                                  * GL_LUMINANCE_ALPHA, GL_RGB, GL_RGBA
 137                                  * MESA_YCBCR */
 138    GLint hwformat;              /* One of the TEXEL_ defines */
 139    GLint numImages;             /* Number of images loaded into .image */
 140 } sisTexObj, *sisTexObjPtr;
 141
 142 /*
 143  ** Device dependent context state
 144  */
 145 typedef struct __GLSiSTextureRec
 146 {
 147   GLint hwTextureSet;
 148   GLint hwTextureMip;
 149   GLint hwTextureClrHigh;
 150   GLint hwTextureClrLow;
 151   GLint hwTexWidthHeight;       /* 6326: Texture Blending Setting */
 152   GLint hwTextureBorderColor;
 153
 154   GLint texOffset0;
 155   GLint texOffset1;
 156   GLint texOffset2;
 157   GLint texOffset3;
 158   GLint texOffset4;
 159   GLint texOffset5;
 160   GLint texOffset6;
 161   GLint texOffset7;
 162   GLint texOffset8;
 163   GLint texOffset9;
 164   GLint texOffset10;
 165   GLint texOffset11;
 166
 167   GLint texPitch01;
 168   GLint texPitch23;
 169   GLint texPitch45;
 170   GLint texPitch67;
 171   GLint texPitch89;
 172   GLint texPitch10;
 173 } __GLSiSTexture;
 174
 175 typedef struct __GLSiSHardwareRec
 176 {
 177   GLint hwCapEnable, hwCapEnable2;      /*  Enable Setting */
 178
 179   GLint hwOffsetZ, hwZ;         /* Z Setting */
 180
 181   GLint hwZBias, hwZMask;       /* Z Setting */
 182
 183   GLint hwAlpha;                /* Alpha Setting */
 184
 185   GLint hwDstSet, hwDstMask;    /* Destination Setting */
 186
 187   GLint hwOffsetDest;           /* Destination Setting */
 188
 189   GLint hwLinePattern;          /* Line Setting */
 190
 191   GLint hwFog;                  /* Fog Setting */
 192
 193   GLint hwFogFar, hwFogInverse; /* Fog Distance setting */
 194
 195   GLint hwFogDensity;           /* Fog factor & density */
 196
 197   GLint hwStSetting, hwStSetting2;      /* Stencil Setting */
 198
 199   GLint hwStOffset;             /* Stencil Setting */
 200
 201   GLint hwDstSrcBlend;          /* Blending mode Setting */
 202
 203   GLint clipTopBottom;          /* Clip for Top & Bottom */
 204
 205   GLint clipLeftRight;          /* Clip for Left & Right */
 206
 207   struct __GLSiSTextureRec texture[2];
 208
 209   GLint hwTexEnvColor;          /* Texture Blending Setting */
 210
 211   GLint hwTexBlendSet;          /* 6326 */
 212   GLint hwTexBlendColor0;
 213   GLint hwTexBlendColor1;
 214   GLint hwTexBlendAlpha0;
 215   GLint hwTexBlendAlpha1;
 216
 217 }
 218 __GLSiSHardware;
 219
 220 typedef struct sis_context sisContextRec;
 221 typedef struct sis_context *sisContextPtr;
 222
 223 typedef void (*sis_quad_func)( sisContextPtr,
 224                                sisVertex *,
 225                                sisVertex *,
 226                                sisVertex *,
 227                                sisVertex * );
 228
 229 typedef void (*sis_tri_func)( sisContextPtr,
 230                               sisVertex *,
 231                               sisVertex *,
 232                               sisVertex * );
 233
 234 typedef void (*sis_line_func)( sisContextPtr,
 235                                sisVertex *,
 236                                sisVertex * );
 237
 238 typedef void (*sis_point_func)( sisContextPtr,
 239                                 sisVertex * );
 240
 241 /**
 242  * Derived from gl_renderbuffer.
 243  */
 244 struct sis_renderbuffer {
 245    struct gl_renderbuffer Base;  /* must be first! */
 246    drmSize size;
 247    GLuint offset;
 248    void *handle;
 249    GLuint pitch;
 250    GLuint bpp;
 251    char *map;
 252 };
 253
 254 /* Device dependent context state */
 255
 256 struct sis_context
 257 {
 258   /* This must be first in this structure */
 259   struct gl_context *glCtx;
 260
 261   /* Vertex state */
 262   GLuint vertex_size;
 263   struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 264   GLuint vertex_attr_count;
 265   char *verts;                  /* points to tnl->clipspace.vertex_buf */
 266
 267   /* Vertex buffer (in system memory or AGP) state. */
 268   unsigned char *vb;            /* Beginning of vertex buffer */
 269   unsigned char *vb_cur;        /* Current write location in vertex buffer */
 270   unsigned char *vb_last;       /* Last written location in vertex buffer */
 271   unsigned char *vb_end;        /* End of vertex buffer */
 272   void *vb_agp_handle;
 273   GLuint vb_agp_offset;
 274   GLboolean using_agp;
 275   GLint coloroffset;            /* Offset in vertex format of current color */
 276   GLint specoffset;             /* Offset in vertex format of specular color */
 277
 278   GLuint NewGLState;
 279   GLuint Fallback;
 280   GLuint RenderIndex;
 281   GLfloat hw_viewport[16];
 282   GLfloat depth_scale;
 283
 284   unsigned int virtualX, virtualY;
 285   unsigned int bytesPerPixel;
 286   unsigned char *IOBase;
 287   unsigned char *FbBase;
 288   unsigned int displayWidth;
 289
 290   /* HW RGBA layout */
 291   unsigned int redMask, greenMask, blueMask, alphaMask;
 292   unsigned int colorFormat;
 293
 294   /* Z format */
 295   unsigned int zFormat;
 296
 297   /* Clear patterns, 4 bytes */
 298   unsigned int clearColorPattern;
 299   unsigned int clearZStencilPattern;
 300
 301   /* Fallback rasterization functions
 302    */
 303   sis_point_func draw_point;
 304   sis_line_func draw_line;
 305   sis_tri_func draw_tri;
 306   sis_quad_func draw_quad;
 307
 308   GLuint hw_primitive;
 309   GLenum raster_primitive;
 310   GLenum render_primitive;
 311
 312   /* DRM fd */
 313   int driFd;
 314
 315   /* AGP Memory */
 316   unsigned int AGPSize;
 317   unsigned char *AGPBase;
 318   unsigned int AGPAddr;
 319
 320   /* register 0x89F4 */
 321   GLint AGPParseSet;
 322
 323   /* register 0x89F8 */
 324   GLint dwPrimitiveSet;
 325
 326   __GLSiSHardware prev, current;
 327
 328   int Chipset;
 329   GLboolean is6326;
 330
 331   GLint drawableID;
 332
 333   GLint GlobalFlag;
 334   DECLARE_RENDERINPUTS(last_tcl_state_bitset);
 335
 336   /* Stereo */
 337   GLboolean useStereo;
 338   GLboolean stereoEnabled;
 339   int stereo_drawIndex;
 340   int stereo_drawSide;
 341   GLboolean irqEnabled;
 342
 343   GLboolean clearTexCache;
 344
 345   GLuint TexStates[SIS_MAX_TEXTURES];
 346   GLuint PrevTexFormat[SIS_MAX_TEXTURES];
 347
 348   int *CurrentQueueLenPtr;
 349   unsigned int *FrameCountPtr;
 350
 351   /* Front/back/depth buffer info */
 352   GLuint width, height;                 /* size of buffers */
 353   GLint bottom;                         /* used for FLIP macro */
 354   /* XXX These don't belong here.  They should be per-drawable state. */
 355   struct sis_renderbuffer front;
 356   struct sis_renderbuffer back;
 357   struct sis_renderbuffer depth;
 358   struct sis_renderbuffer stencil; /* mirrors depth */
 359
 360   /* Mirrors of some DRI state
 361    */
 362   __DRIcontext  *driContext;    /* DRI context */
 363   __DRIscreen   *driScreen;     /* DRI screen */
 364   __DRIdrawable *driDrawable;   /* DRI drawable bound to this ctx */
 365
 366   unsigned int lastStamp;               /* mirror driDrawable->lastStamp */
 367
 368   drm_context_t hHWContext;
 369   drm_hw_lock_t *driHwLock;
 370
 371   sisScreenPtr sisScreen;               /* Screen private DRI data */
 372   SISSAREAPrivPtr sarea;                /* Private SAREA data */
 373
 374    /* Configuration cache */
 375    driOptionCache optionCache;
 376     GLint texture_depth;
 377 };
 378
 379 #define SIS_CONTEXT(ctx)                ((sisContextPtr)(ctx->DriverCtx))
 380
 381 /* Macros */
 382 #define GET_IOBase(x) ((x)->IOBase)
 383
 384 #define Y_FLIP(Y)  (smesa->bottom - (Y))
 385
 386 #define SISPACKCOLOR565( r, g, b )                                      \
 387    ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 388
 389 #define SISPACKCOLOR8888( r, g, b, a )                                  \
 390    (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
 391
 392 #define SIS_VERBOSE 0
 393
 394
 395 #define MMIO(reg, value) \
 396 {\
 397    *(volatile GLint *)(smesa->IOBase + (reg)) = value;                  \
 398 }
 399
 400 #define MMIO_READ(reg) *(volatile GLint *)(smesa->IOBase + (reg))
 401 #define MMIO_READf(reg) *(volatile GLfloat *)(smesa->IOBase + (reg))
 402
 403 #if defined(__i386__) || defined(__x86_64__)
 404 #define MMIO_WMB()      __asm __volatile("" : : : "memory")
 405 #elif defined(__ia64__)
 406 #define MMIO_WMB()      __asm __volatile("mf" : : : "memory")
 407 #else
 408 #error platform needs WMB
 409 #endif
 410
 411 #define mEndPrimitive()  \
 412 {       \
 413    *(volatile GLubyte *)(smesa->IOBase + REG_3D_EndPrimitiveList) = 0xff; \
 414    *(volatile GLuint *)(smesa->IOBase + 0x8b60) = 0xffffffff;           \
 415 }
 416
 417 #define sis_fatal_error(...)                                            \
 418 do {                                                                    \
 419         fprintf(stderr, "[%s:%d]:", __FILE__, __LINE__);                \
 420         fprintf(stderr, __VA_ARGS__);                                   \
 421         exit(-1);                                                       \
 422 } while (0)
 423
 424 /* Lock required */
 425 #define mWait3DCmdQueue(wLen)                                           \
 426 /* Update the mirrored queue pointer if it doesn't indicate enough space */ \
 427 if (*(smesa->CurrentQueueLenPtr) < (wLen)) {                            \
 428    *(smesa->CurrentQueueLenPtr) =                                       \
 429       (*(GLint *)(GET_IOBase(smesa) + REG_CommandQueue) & MASK_QueueLen) - 20; \
 430    /* Spin and wait if the queue is actually too full */                \
 431    if (*(smesa->CurrentQueueLenPtr) < (wLen))                           \
 432       WaitingFor3dIdle(smesa, wLen);                                    \
 433    *(smesa->CurrentQueueLenPtr) -= wLen;                                \
 434 }
 435
 436 enum _sis_verbose {
 437         VERBOSE_SIS_BUFFER  = 0x1,
 438         VERBOSE_SIS_MEMORY  = 0x2
 439 };
 440
 441 extern GLboolean sisCreateContext( gl_api api,
 442                                    const struct gl_config *glVisual,
 443                                    __DRIcontext *driContextPriv,
 444                                    void *sharedContextPrivate );
 445 extern void sisDestroyContext( __DRIcontext * );
 446
 447 void sisReAllocateBuffers(struct gl_context *ctx, struct gl_framebuffer *drawbuffer,
 448                           GLuint width, GLuint height);
 449
 450 extern GLboolean sisMakeCurrent( __DRIcontext *driContextPriv,
 451                                   __DRIdrawable *driDrawPriv,
 452                                   __DRIdrawable *driReadPriv );
 453
 454 extern GLboolean sisUnbindContext( __DRIcontext *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_ */