src/mesa/drivers/dri/unichrome/via_context.h

   1 /*
   2  * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 #ifndef _VIACONTEXT_H
  27 #define _VIACONTEXT_H
  28
  29 #include "dri_util.h"
  30
  31 #include "mtypes.h"
  32 #include "drm.h"
  33 #include "mm.h"
  34 #include "tnl/t_vertex.h"
  35
  36 #include "via_screen.h"
  37 #include "via_tex.h"
  38 #include "via_drm.h"
  39
  40 struct via_context;
  41
  42 /* Chip tags.  These are used to group the adapters into
  43  * related families.
  44  */
  45 enum VIACHIPTAGS {
  46     VIA_UNKNOWN = 0,
  47     VIA_CLE266,
  48     VIA_KM400,
  49     VIA_K8M800,
  50     VIA_PM800,
  51     VIA_LAST
  52 };
  53
  54 #define VIA_FALLBACK_TEXTURE            0x1
  55 #define VIA_FALLBACK_DRAW_BUFFER        0x2
  56 #define VIA_FALLBACK_READ_BUFFER        0x4
  57 #define VIA_FALLBACK_COLORMASK          0x8
  58 #define VIA_FALLBACK_SPECULAR           0x20
  59 #define VIA_FALLBACK_LOGICOP            0x40
  60 #define VIA_FALLBACK_RENDERMODE         0x80
  61 #define VIA_FALLBACK_STENCIL            0x100
  62 #define VIA_FALLBACK_BLEND_EQ           0x200
  63 #define VIA_FALLBACK_BLEND_FUNC         0x400
  64 #define VIA_FALLBACK_USER_DISABLE       0x800
  65 #define VIA_FALLBACK_PROJ_TEXTURE       0x1000
  66 #define VIA_FALLBACK_POLY_STIPPLE       0x2000
  67
  68 #define VIA_DMA_BUFSIZ                  4096
  69 #define VIA_DMA_HIGHWATER               (VIA_DMA_BUFSIZ - 128)
  70
  71 #define VIA_NO_CLIPRECTS 0x1
  72
  73
  74 /* Use the templated vertex formats:
  75  */
  76 #define TAG(x) via##x
  77 #include "tnl_dd/t_dd_vertex.h"
  78 #undef TAG
  79
  80 typedef void (*via_tri_func)(struct via_context *, viaVertex *, viaVertex *,
  81                              viaVertex *);
  82 typedef void (*via_line_func)(struct via_context *, viaVertex *, viaVertex *);
  83 typedef void (*via_point_func)(struct via_context *, viaVertex *);
  84
  85 /**
  86  * Derived from gl_renderbuffer.
  87  */
  88 struct via_renderbuffer {
  89    struct gl_renderbuffer Base;  /* must be first! */
  90    drm_handle_t handle;
  91    drmSize size;
  92    unsigned long offset;
  93    unsigned long index;
  94    GLuint pitch;
  95    GLuint bpp;
  96    char *map;
  97    GLuint orig;         /* The drawing origin,
  98                          * at (drawX,drawY) in screen space.
  99                          */
 100    char *origMap;
 101 };
 102
 103
 104 #define VIA_MAX_TEXLEVELS       10
 105
 106 struct via_tex_buffer {
 107    struct via_tex_buffer *next, *prev;
 108    struct via_texture_image *image;
 109    unsigned long index;
 110    unsigned long offset;
 111    GLuint size;
 112    GLuint memType;
 113    unsigned char *bufAddr;
 114    GLuint texBase;
 115    GLuint lastUsed;
 116 };
 117
 118
 119
 120 struct via_texture_image {
 121    struct gl_texture_image image;
 122    struct via_tex_buffer *texMem;
 123    GLint pitchLog2;
 124 };
 125
 126 struct via_texture_object {
 127    struct gl_texture_object obj; /* The "parent" object */
 128
 129    GLuint texelBytes;
 130    GLuint memType;
 131
 132    GLuint regTexFM;
 133    GLuint regTexWidthLog2[2];
 134    GLuint regTexHeightLog2[2];
 135    GLuint regTexBaseH[4];
 136    struct {
 137       GLuint baseL;
 138       GLuint pitchLog2;
 139    } regTexBaseAndPitch[12];
 140
 141    GLint firstLevel, lastLevel;  /* upload tObj->Image[first .. lastLevel] */
 142 };
 143
 144
 145
 146 struct via_context {
 147    GLint refcount;
 148    GLcontext *glCtx;
 149    GLcontext *shareCtx;
 150
 151    /* XXX These don't belong here.  They should be per-drawable state. */
 152    struct via_renderbuffer front;
 153    struct via_renderbuffer back;
 154    struct via_renderbuffer depth;
 155    struct via_renderbuffer stencil; /* mirrors depth */
 156    struct via_renderbuffer breadcrumb;
 157
 158    GLboolean hasBack;
 159    GLboolean hasDepth;
 160    GLboolean hasStencil;
 161    GLboolean hasAccum;
 162    GLuint    depthBits;
 163    GLuint    stencilBits;
 164
 165    GLboolean have_hw_stencil;
 166    GLuint ClearDepth;
 167    GLuint depth_clear_mask;
 168    GLuint stencil_clear_mask;
 169    GLfloat depth_max;
 170    GLfloat polygon_offset_scale;
 171
 172    GLubyte    *dma;
 173    viaRegion tex;
 174
 175    /* Bit flag to keep 0track of fallbacks.
 176     */
 177    GLuint Fallback;
 178
 179    /* State for via_tris.c.
 180     */
 181    GLuint newState;            /* _NEW_* flags */
 182    GLuint newEmitState;            /* _NEW_* flags */
 183    GLuint newRenderState;            /* _NEW_* flags */
 184
 185    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 186    GLuint vertex_attr_count;
 187
 188    GLuint setupIndex;
 189    GLuint renderIndex;
 190    GLmatrix ViewportMatrix;
 191    GLenum renderPrimitive;
 192    GLenum hwPrimitive;
 193    GLenum hwShadeModel;
 194    unsigned char *verts;
 195
 196    /* drmBufPtr dma_buffer;
 197     */
 198    GLuint dmaLow;
 199    GLuint dmaCliprectAddr;
 200    GLuint dmaLastPrim;
 201    GLboolean useAgp;
 202
 203
 204    /* Fallback rasterization functions
 205     */
 206    via_point_func drawPoint;
 207    via_line_func drawLine;
 208    via_tri_func drawTri;
 209
 210    /* Hardware register
 211     */
 212    GLuint regCmdA_End;
 213    GLuint regCmdB;
 214
 215    GLuint regEnable;
 216    GLuint regHFBBMSKL;
 217    GLuint regHROP;
 218
 219    GLuint regHZWTMD;
 220    GLuint regHSTREF;
 221    GLuint regHSTMD;
 222
 223    GLuint regHATMD;
 224    GLuint regHABLCsat;
 225    GLuint regHABLCop;
 226    GLuint regHABLAsat;
 227    GLuint regHABLAop;
 228    GLuint regHABLRCa;
 229    GLuint regHABLRFCa;
 230    GLuint regHABLRCbias;
 231    GLuint regHABLRCb;
 232    GLuint regHABLRFCb;
 233    GLuint regHABLRAa;
 234    GLuint regHABLRAb;
 235    GLuint regHFogLF;
 236    GLuint regHFogCL;
 237    GLuint regHFogCH;
 238
 239    GLuint regHLP;
 240    GLuint regHLPRF;
 241
 242    GLuint regHTXnCLOD[2];
 243    GLuint regHTXnTB[2];
 244    GLuint regHTXnMPMD[2];
 245    GLuint regHTXnTBLCsat[2];
 246    GLuint regHTXnTBLCop[2];
 247    GLuint regHTXnTBLMPfog[2];
 248    GLuint regHTXnTBLAsat[2];
 249    GLuint regHTXnTBLRCb[2];
 250    GLuint regHTXnTBLRAa[2];
 251    GLuint regHTXnTBLRFog[2];
 252    GLuint regHTXnTBLRCa[2];
 253    GLuint regHTXnTBLRCc[2];
 254    GLuint regHTXnTBLRCbias[2];
 255    GLuint regHTXnTBC[2];
 256    GLuint regHTXnTRAH[2];
 257
 258    int vertexSize;
 259    int hwVertexSize;
 260    GLboolean ptexHack;
 261    int coloroffset;
 262    int specoffset;
 263
 264    GLint lastStamp;
 265
 266    GLuint ClearColor;
 267    GLuint ClearMask;
 268
 269    /* DRI stuff
 270     */
 271    GLboolean doPageFlip;
 272
 273    struct via_renderbuffer *drawBuffer;
 274
 275    int drawX;                   /* origin of drawable in draw buffer */
 276    int drawY;
 277    int drawW;
 278    int drawH;
 279
 280    int drawXoff;                /* drawX is 32byte aligned - this is
 281                                  * the delta to the real origin, in
 282                                  * pixel units.
 283                                  */
 284
 285    GLuint numClipRects;         /* cliprects for that buffer */
 286    drm_clip_rect_t *pClipRects;
 287
 288    GLboolean scissor;
 289    drm_clip_rect_t drawRect;
 290    drm_clip_rect_t scissorRect;
 291
 292    drm_context_t hHWContext;
 293    drm_hw_lock_t *driHwLock;
 294    int driFd;
 295    __DRInativeDisplay *display;
 296
 297    __DRIdrawablePrivate *driDrawable;
 298    __DRIscreenPrivate *driScreen;
 299    viaScreenPrivate *viaScreen;
 300    drm_via_sarea_t *sarea;
 301    volatile GLuint* regMMIOBase;
 302    volatile GLuint* pnGEMode;
 303    volatile GLuint* regEngineStatus;
 304    volatile GLuint* regTranSet;
 305    volatile GLuint* regTranSpace;
 306    GLuint agpBase;
 307    GLuint drawType;
 308
 309    GLuint nDoneFirstFlip;
 310    GLuint agpFullCount;
 311
 312    GLboolean clearTexCache;
 313    GLboolean thrashing;
 314
 315    /* Configuration cache
 316     */
 317    driOptionCache optionCache;
 318
 319    GLuint vblank_flags;
 320    GLuint vbl_seq;
 321
 322    int64_t swap_ust;
 323    int64_t swap_missed_ust;
 324
 325    GLuint swap_count;
 326    GLuint swap_missed_count;
 327
 328
 329    GLuint pfCurrentOffset;
 330    GLboolean allowPageFlip;
 331
 332    GLuint lastBreadcrumbRead;
 333    GLuint lastBreadcrumbWrite;
 334    GLuint lastSwap[2];
 335    GLuint lastDma;
 336
 337    GLuint total_alloc[VIA_MEM_SYSTEM+1];
 338
 339    struct via_tex_buffer tex_image_list[VIA_MEM_SYSTEM+1];
 340    struct via_tex_buffer freed_tex_buffers;
 341
 342 };
 343
 344
 345
 346 #define VIA_CONTEXT(ctx)   ((struct via_context *)(ctx->DriverCtx))
 347
 348
 349
 350 /* Lock the hardware and validate our state.
 351  */
 352 #define LOCK_HARDWARE(vmesa)                                    \
 353         do {                                                    \
 354             char __ret = 0;                                     \
 355             DRM_CAS(vmesa->driHwLock, vmesa->hHWContext,        \
 356                 (DRM_LOCK_HELD|vmesa->hHWContext), __ret);      \
 357             if (__ret)                                          \
 358                 viaGetLock(vmesa, 0);                           \
 359         } while (0)
 360
 361
 362 /* Release the kernel lock.
 363  */
 364 #define UNLOCK_HARDWARE(vmesa)                                          \
 365         DRM_UNLOCK(vmesa->driFd, vmesa->driHwLock, vmesa->hHWContext);
 366
 367
 368
 369 extern GLuint VIA_DEBUG;
 370
 371 #define DEBUG_TEXTURE   0x1
 372 #define DEBUG_STATE     0x2
 373 #define DEBUG_IOCTL     0x4
 374 #define DEBUG_PRIMS     0x8
 375 #define DEBUG_VERTS     0x10
 376 #define DEBUG_FALLBACKS 0x20
 377 #define DEBUG_VERBOSE   0x40
 378 #define DEBUG_DRI       0x80
 379 #define DEBUG_DMA       0x100
 380 #define DEBUG_SANITY    0x200
 381 #define DEBUG_SYNC      0x400
 382 #define DEBUG_SLEEP     0x800
 383 #define DEBUG_PIXEL     0x1000
 384 #define DEBUG_2D        0x2000
 385
 386
 387 extern void viaGetLock(struct via_context *vmesa, GLuint flags);
 388 extern void viaLock(struct via_context *vmesa, GLuint flags);
 389 extern void viaUnLock(struct via_context *vmesa, GLuint flags);
 390 extern void viaEmitHwStateLocked(struct via_context *vmesa);
 391 extern void viaEmitScissorValues(struct via_context *vmesa, int box_nr, int emit);
 392 extern void viaXMesaSetBackClipRects(struct via_context *vmesa);
 393 extern void viaXMesaSetFrontClipRects(struct via_context *vmesa);
 394 extern void viaReAllocateBuffers(GLcontext *ctx, GLframebuffer *drawbuffer, GLuint width, GLuint height);
 395 extern void viaXMesaWindowMoved(struct via_context *vmesa);
 396
 397 extern GLboolean viaTexCombineState(struct via_context *vmesa,
 398                                     const struct gl_tex_env_combine_state * combine,
 399                                     unsigned unit );
 400
 401 /* Via hw already adjusted for GL pixel centers:
 402  */
 403 #define SUBPIXEL_X 0
 404 #define SUBPIXEL_Y 0
 405
 406 /* TODO XXX _SOLO temp defines to make code compilable */
 407 #ifndef GLX_PBUFFER_BIT
 408 #define GLX_PBUFFER_BIT        0x00000004
 409 #endif
 410 #ifndef GLX_WINDOW_BIT
 411 #define GLX_WINDOW_BIT 0x00000001
 412 #endif
 413 #ifndef VERT_BIT_CLIP
 414 #define VERT_BIT_CLIP       0x1000000
 415 #endif
 416
 417 #endif