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_common2.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_FORCE              0x8000
  69
  70 /* Flags for hardware state that needs to be updated */
  71 #define GFLAG_ENABLESETTING             0x00000001
  72 #define GFLAG_ENABLESETTING2            0x00000002
  73 #define GFLAG_ZSETTING                  0x00000004
  74 #define GFLAG_ALPHASETTING              0x00000008
  75 #define GFLAG_DESTSETTING               0x00000010
  76 #define GFLAG_LINESETTING               0x00000020
  77 #define GFLAG_STENCILSETTING            0x00000040
  78 #define GFLAG_FOGSETTING                0x00000080
  79 #define GFLAG_DSTBLEND                  0x00000100
  80 #define GFLAG_CLIPPING                  0x00000200
  81 #define CFLAG_TEXTURERESET              0x00000400
  82 #define GFLAG_TEXTUREMIPMAP             0x00000800
  83 #define GFLAG_TEXBORDERCOLOR            0x00001000
  84 #define GFLAG_TEXTUREADDRESS            0x00002000
  85 #define GFLAG_TEXTUREENV                0x00004000
  86 #define CFLAG_TEXTURERESET_1            0x00008000
  87 #define GFLAG_TEXTUREMIPMAP_1           0x00010000
  88 #define GFLAG_TEXBORDERCOLOR_1          0x00020000
  89 #define GFLAG_TEXTUREADDRESS_1          0x00040000
  90 #define GFLAG_TEXTUREENV_1              0x00080000
  91 #define GFLAG_ALL                       0x000fffff
  92
  93 #define GFLAG_TEXTURE_STATES (CFLAG_TEXTURERESET | GFLAG_TEXTUREMIPMAP | \
  94                               GFLAG_TEXBORDERCOLOR | GFLAG_TEXTUREADDRESS | \
  95                               CFLAG_TEXTURERESET_1 | GFLAG_TEXTUREMIPMAP_1 | \
  96                               GFLAG_TEXBORDERCOLOR_1 | \
  97                               GFLAG_TEXTUREADDRESS_1 | \
  98                               GFLAG_TEXTUREENV | GFLAG_TEXTUREENV_1)
  99
 100
 101 #define GFLAG_RENDER_STATES  (GFLAG_ENABLESETTING | GFLAG_ENABLESETTING2 | \
 102                               GFLAG_ZSETTING | GFLAG_ALPHASETTING | \
 103                               GFLAG_DESTSETTING | GFLAG_FOGSETTING | \
 104                               GFLAG_STENCILSETTING | GFLAG_DSTBLEND | \
 105                               GFLAG_CLIPPING)
 106
 107 /* Use the templated vertex format:
 108  */
 109 #define TAG(x) sis##x
 110 #include "tnl_dd/t_dd_vertex.h"
 111 #undef TAG
 112
 113 /* Subpixel offsets for window coordinates (triangles):
 114  */
 115 #define SUBPIXEL_X  (-0.5F)
 116 #define SUBPIXEL_Y  (-0.5F)
 117
 118 #define SIS_MAX_TEXTURE_LEVELS          11
 119
 120 typedef struct {
 121    GLubyte *Data;               /* Pointer to texture in offscreen */
 122    GLuint memType;              /* VIDEO_TYPE or AGP_TYPE */
 123    void *handle;                /* Handle for sisFree*() */
 124    GLuint pitch;
 125    GLuint size;
 126 } sisTexImage;
 127
 128 typedef struct sis_tex_obj {
 129    sisTexImage image[SIS_MAX_TEXTURE_LEVELS];   /* Image data for each mipmap
 130                                                  * level */
 131    GLenum format;               /* One of GL_ALPHA, GL_INTENSITY, GL_LUMINANCE,
 132                                  * GL_LUMINANCE_ALPHA, GL_RGB, GL_RGBA */
 133    GLint hwformat;              /* One of the TEXEL_ defines */
 134    GLint numImages;             /* Number of images loaded into .image */
 135 } sisTexObj, *sisTexObjPtr;
 136
 137 /*
 138  ** Device dependent context state
 139  */
 140 typedef struct __GLSiSTextureRec
 141 {
 142   GLint hwTextureSet;
 143   GLint hwTextureMip;
 144   GLint hwTextureClrHigh;
 145   GLint hwTextureClrLow;
 146   GLint hwTextureBorderColor;
 147
 148   GLint texOffset0;
 149   GLint texOffset1;
 150   GLint texOffset2;
 151   GLint texOffset3;
 152   GLint texOffset4;
 153   GLint texOffset5;
 154   GLint texOffset6;
 155   GLint texOffset7;
 156   GLint texOffset8;
 157   GLint texOffset9;
 158   GLint texOffset10;
 159   GLint texOffset11;
 160
 161   GLint texPitch01;
 162   GLint texPitch23;
 163   GLint texPitch45;
 164   GLint texPitch67;
 165   GLint texPitch89;
 166   GLint texPitch10;
 167 } __GLSiSTexture;
 168
 169 typedef struct __GLSiSHardwareRec
 170 {
 171   GLint hwCapEnable, hwCapEnable2;      /*  Enable Setting */
 172
 173   GLint hwOffsetZ, hwZ;         /* Z Setting */
 174
 175   GLint hwZBias, hwZMask;       /* Z Setting */
 176
 177   GLint hwAlpha;                /* Alpha Setting */
 178
 179   GLint hwDstSet, hwDstMask;    /* Destination Setting */
 180
 181   GLint hwOffsetDest;           /* Destination Setting */
 182
 183   GLint hwLinePattern;          /* Line Setting */
 184
 185   GLint hwFog;                  /* Fog Setting */
 186
 187   GLint hwFogFar, hwFogInverse; /* Fog Distance setting */
 188
 189   GLint hwFogDensity;           /* Fog factor & density */
 190
 191   GLint hwStSetting, hwStSetting2;      /* Stencil Setting */
 192
 193   GLint hwStOffset;             /* Stencil Setting */
 194
 195   GLint hwDstSrcBlend;          /* Blending mode Setting */
 196
 197   GLint clipTopBottom;          /* Clip for Top & Bottom */
 198
 199   GLint clipLeftRight;          /* Clip for Left & Right */
 200
 201   struct __GLSiSTextureRec texture[2];
 202
 203   GLint hwTexEnvColor;          /* Texture Blending Setting */
 204
 205   GLint hwTexBlendColor0;
 206   GLint hwTexBlendColor1;
 207   GLint hwTexBlendAlpha0;
 208   GLint hwTexBlendAlpha1;
 209
 210 }
 211 __GLSiSHardware;
 212
 213 typedef struct sis_context sisContextRec;
 214 typedef struct sis_context *sisContextPtr;
 215
 216 typedef void (*sis_quad_func)( sisContextPtr,
 217                                sisVertex *,
 218                                sisVertex *,
 219                                sisVertex *,
 220                                sisVertex * );
 221
 222 typedef void (*sis_tri_func)( sisContextPtr,
 223                               sisVertex *,
 224                               sisVertex *,
 225                               sisVertex * );
 226
 227 typedef void (*sis_line_func)( sisContextPtr,
 228                                sisVertex *,
 229                                sisVertex * );
 230
 231 typedef void (*sis_point_func)( sisContextPtr,
 232                                 sisVertex * );
 233
 234 /* Device dependent context state */
 235
 236 struct sis_context
 237 {
 238   /* This must be first in this structure */
 239   GLcontext *glCtx;
 240
 241   /* Vertex state */
 242   GLuint vertex_size;
 243   struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 244   GLuint vertex_attr_count;
 245   char *verts;                  /* points to tnl->clipspace.vertex_buf */
 246
 247   /* Vertex buffer (in system memory or AGP) state. */
 248   unsigned char *vb;            /* Beginning of vertex buffer */
 249   unsigned char *vb_cur;        /* Current write location in vertex buffer */
 250   unsigned char *vb_last;       /* Last written location in vertex buffer */
 251   unsigned char *vb_end;        /* End of vertex buffer */
 252   void *vb_agp_handle;
 253   GLuint vb_agp_offset;
 254   GLboolean using_agp;
 255
 256   GLuint NewGLState;
 257   GLuint Fallback;
 258   GLuint RenderIndex;
 259   GLfloat hw_viewport[16];
 260   GLfloat depth_scale;
 261
 262   unsigned int virtualX, virtualY;
 263   unsigned int bytesPerPixel;
 264   unsigned char *IOBase;
 265   unsigned char *FbBase;
 266   unsigned int displayWidth;
 267   unsigned int frontOffset;
 268   unsigned int frontPitch;
 269
 270   /* HW RGBA layout */
 271   unsigned int redMask, greenMask, blueMask, alphaMask;
 272   unsigned int colorFormat;
 273
 274   /* Z format */
 275   unsigned int zFormat;
 276
 277   /* Clear patterns, 4 bytes */
 278   unsigned int clearColorPattern;
 279   unsigned int clearZStencilPattern;
 280
 281   /* Fallback rasterization functions
 282    */
 283   sis_point_func draw_point;
 284   sis_line_func draw_line;
 285   sis_tri_func draw_tri;
 286   sis_quad_func draw_quad;
 287
 288   GLuint hw_primitive;
 289   GLenum raster_primitive;
 290   GLenum render_primitive;
 291
 292   /* DRM fd */
 293   int driFd;
 294
 295   /* AGP Memory */
 296   unsigned int AGPSize;
 297   unsigned char *AGPBase;
 298   unsigned int AGPAddr;
 299
 300   /* register 0x89F4 */
 301   GLint AGPParseSet;
 302
 303   /* register 0x89F8 */
 304   GLint dwPrimitiveSet;
 305
 306   __GLSiSHardware prev, current;
 307
 308   int Chipset;
 309
 310   GLint drawableID;
 311
 312   /* SGRAM block write */
 313   GLboolean blockWrite;
 314
 315   GLint GlobalFlag;
 316   GLuint last_tcl_state;
 317
 318   /* Stereo */
 319   GLboolean useStereo;
 320   GLboolean stereoEnabled;
 321   int stereo_drawIndex;
 322   int stereo_drawSide;
 323   GLboolean irqEnabled;
 324
 325   GLboolean clearTexCache;
 326
 327   GLuint TexStates[SIS_MAX_TEXTURES];
 328   GLuint PrevTexFormat[SIS_MAX_TEXTURES];
 329
 330   int *CurrentQueueLenPtr;
 331   unsigned int *FrameCountPtr;
 332
 333   /* Front/back/depth buffer info */
 334   GLuint width, height;                 /* size of buffers */
 335   GLint bottom;                         /* used for FLIP macro */
 336   GLvoid *backbuffer;
 337   unsigned int backOffset;
 338   unsigned int backPitch;
 339   GLvoid *depthbuffer;
 340   unsigned int depthOffset;
 341   unsigned int depthPitch;
 342   void *zbFree, *bbFree;                /* Cookies for freeing buffers */
 343   ENGPACKET zClearPacket, cbClearPacket;
 344
 345   /* Drawable, cliprect and scissor information
 346    */
 347   GLint drawOffset, drawPitch;
 348   GLint readOffset, readPitch;
 349
 350   /* Mirrors of some DRI state
 351    */
 352   __DRIcontextPrivate   *driContext;    /* DRI context */
 353   __DRIscreenPrivate    *driScreen;     /* DRI screen */
 354   __DRIdrawablePrivate  *driDrawable;   /* DRI drawable bound to this ctx */
 355
 356   unsigned int lastStamp;               /* mirror driDrawable->lastStamp */
 357
 358   drm_context_t hHWContext;
 359   drm_hw_lock_t *driHwLock;
 360
 361   sisScreenPtr sisScreen;               /* Screen private DRI data */
 362   SISSAREAPrivPtr sarea;                /* Private SAREA data */
 363
 364    /* Configuration cache */
 365    driOptionCache optionCache;
 366 };
 367
 368 #define SIS_CONTEXT(ctx)                ((sisContextPtr)(ctx->DriverCtx))
 369
 370 /* Macros */
 371 #define GET_IOBase(x) ((x)->IOBase)
 372
 373 #define Y_FLIP(Y)  (smesa->bottom - (Y))
 374
 375 #define SISPACKCOLOR565( r, g, b )                                      \
 376    ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 377
 378 #define SISPACKCOLOR8888( r, g, b, a )                                  \
 379    (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
 380
 381 #define SIS_VERBOSE 0
 382
 383
 384 #define MMIO(reg, value) \
 385 {\
 386    *(volatile GLint *)(smesa->IOBase + (reg)) = value;                  \
 387 }
 388
 389 #define MMIO_READ(reg) *(volatile GLint *)(smesa->IOBase + (reg))
 390 #define MMIO_READf(reg) *(volatile GLfloat *)(smesa->IOBase + (reg))
 391
 392 #define mEndPrimitive()  \
 393 {       \
 394    *(volatile GLubyte *)(smesa->IOBase + REG_3D_EndPrimitiveList) = 0xff; \
 395    *(volatile GLuint *)(smesa->IOBase + 0x8b60) = 0xffffffff;           \
 396 }
 397
 398 #define sis_fatal_error(msg)                                            \
 399 do {                                                                    \
 400         fprintf(stderr, "[%s:%d]: %s", __FILE__, __LINE__, msg);        \
 401         exit(-1);                                                       \
 402 } while (0)
 403
 404 /* Lock required */
 405 #define mWait3DCmdQueue(wLen)                                           \
 406 /* Update the mirrored queue pointer if it doesn't indicate enough space */ \
 407 if (*(smesa->CurrentQueueLenPtr) < (wLen)) {                            \
 408    *(smesa->CurrentQueueLenPtr) =                                       \
 409       (*(GLint *)(GET_IOBase(smesa) + REG_CommandQueue) & MASK_QueueLen) - 20; \
 410    /* Spin and wait if the queue is actually too full */                \
 411    if (*(smesa->CurrentQueueLenPtr) < (wLen))                           \
 412       WaitingFor3dIdle(smesa, wLen);                                    \
 413    *(smesa->CurrentQueueLenPtr) -= wLen;                                \
 414 }
 415
 416 enum _sis_verbose {
 417         VERBOSE_SIS_BUFFER  = 0x1,
 418         VERBOSE_SIS_MEMORY  = 0x2
 419 };
 420
 421 extern GLboolean sisCreateContext( const __GLcontextModes *glVisual,
 422                                    __DRIcontextPrivate *driContextPriv,
 423                                    void *sharedContextPrivate );
 424 extern void sisDestroyContext( __DRIcontextPrivate * );
 425
 426 extern GLboolean sisMakeCurrent( __DRIcontextPrivate *driContextPriv,
 427                                   __DRIdrawablePrivate *driDrawPriv,
 428                                   __DRIdrawablePrivate *driReadPriv );
 429
 430 extern GLboolean sisUnbindContext( __DRIcontextPrivate *driContextPriv );
 431
 432 void WaitEngIdle (sisContextPtr smesa);
 433 void Wait2DEngIdle (sisContextPtr smesa);
 434 void WaitingFor3dIdle(sisContextPtr smesa, int wLen);
 435
 436 /* update to hw */
 437 extern void sis_update_texture_state( sisContextPtr smesa );
 438 extern void sis_update_render_state( sisContextPtr smesa );
 439
 440 #endif