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    int drawX;                   /* origin of drawable in draw buffer */
 103    int drawY;
 104    int drawW;
 105    int drawH;
 106
 107    __DRIdrawablePrivate *dPriv;
 108 };
 109
 110
 111 #define VIA_MAX_TEXLEVELS       10
 112
 113 struct via_tex_buffer {
 114    struct via_tex_buffer *next, *prev;
 115    struct via_texture_image *image;
 116    unsigned long index;
 117    unsigned long offset;
 118    GLuint size;
 119    GLuint memType;
 120    unsigned char *bufAddr;
 121    GLuint texBase;
 122    GLuint lastUsed;
 123 };
 124
 125
 126
 127 struct via_texture_image {
 128    struct gl_texture_image image;
 129    struct via_tex_buffer *texMem;
 130    GLint pitchLog2;
 131 };
 132
 133 struct via_texture_object {
 134    struct gl_texture_object obj; /* The "parent" object */
 135
 136    GLuint texelBytes;
 137    GLuint memType;
 138
 139    GLuint regTexFM;
 140    GLuint regTexWidthLog2[2];
 141    GLuint regTexHeightLog2[2];
 142    GLuint regTexBaseH[4];
 143    struct {
 144       GLuint baseL;
 145       GLuint pitchLog2;
 146    } regTexBaseAndPitch[12];
 147
 148    GLint firstLevel, lastLevel;  /* upload tObj->Image[first .. lastLevel] */
 149 };
 150
 151
 152
 153 struct via_context {
 154    GLint refcount;
 155    GLcontext *glCtx;
 156    GLcontext *shareCtx;
 157
 158    /* XXX These don't belong here.  They should be per-drawable state. */
 159    struct via_renderbuffer front;
 160    struct via_renderbuffer back;
 161    struct via_renderbuffer depth;
 162    struct via_renderbuffer stencil; /* mirrors depth */
 163    struct via_renderbuffer breadcrumb;
 164
 165    GLboolean hasBack;
 166    GLboolean hasDepth;
 167    GLboolean hasStencil;
 168    GLboolean hasAccum;
 169    GLuint    depthBits;
 170    GLuint    stencilBits;
 171
 172    GLboolean have_hw_stencil;
 173    GLuint ClearDepth;
 174    GLuint depth_clear_mask;
 175    GLuint stencil_clear_mask;
 176    GLfloat depth_max;
 177    GLfloat polygon_offset_scale;
 178
 179    GLubyte    *dma;
 180    viaRegion tex;
 181
 182    /* Bit flag to keep 0track of fallbacks.
 183     */
 184    GLuint Fallback;
 185
 186    /* State for via_tris.c.
 187     */
 188    GLuint newState;            /* _NEW_* flags */
 189    GLuint newEmitState;            /* _NEW_* flags */
 190    GLuint newRenderState;            /* _NEW_* flags */
 191
 192    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 193    GLuint vertex_attr_count;
 194
 195    GLuint setupIndex;
 196    GLuint renderIndex;
 197    GLmatrix ViewportMatrix;
 198    GLenum renderPrimitive;
 199    GLenum hwPrimitive;
 200    GLenum hwShadeModel;
 201    unsigned char *verts;
 202
 203    /* drmBufPtr dma_buffer;
 204     */
 205    GLuint dmaLow;
 206    GLuint dmaCliprectAddr;
 207    GLuint dmaLastPrim;
 208    GLboolean useAgp;
 209
 210
 211    /* Fallback rasterization functions
 212     */
 213    via_point_func drawPoint;
 214    via_line_func drawLine;
 215    via_tri_func drawTri;
 216
 217    /* Hardware register
 218     */
 219    GLuint regCmdA_End;
 220    GLuint regCmdB;
 221
 222    GLuint regEnable;
 223    GLuint regHFBBMSKL;
 224    GLuint regHROP;
 225
 226    GLuint regHZWTMD;
 227    GLuint regHSTREF;
 228    GLuint regHSTMD;
 229
 230    GLuint regHATMD;
 231    GLuint regHABLCsat;
 232    GLuint regHABLCop;
 233    GLuint regHABLAsat;
 234    GLuint regHABLAop;
 235    GLuint regHABLRCa;
 236    GLuint regHABLRFCa;
 237    GLuint regHABLRCbias;
 238    GLuint regHABLRCb;
 239    GLuint regHABLRFCb;
 240    GLuint regHABLRAa;
 241    GLuint regHABLRAb;
 242    GLuint regHFogLF;
 243    GLuint regHFogCL;
 244    GLuint regHFogCH;
 245
 246    GLuint regHLP;
 247    GLuint regHLPRF;
 248
 249    GLuint regHTXnCLOD[2];
 250    GLuint regHTXnTB[2];
 251    GLuint regHTXnMPMD[2];
 252    GLuint regHTXnTBLCsat[2];
 253    GLuint regHTXnTBLCop[2];
 254    GLuint regHTXnTBLMPfog[2];
 255    GLuint regHTXnTBLAsat[2];
 256    GLuint regHTXnTBLRCb[2];
 257    GLuint regHTXnTBLRAa[2];
 258    GLuint regHTXnTBLRFog[2];
 259    GLuint regHTXnTBLRCa[2];
 260    GLuint regHTXnTBLRCc[2];
 261    GLuint regHTXnTBLRCbias[2];
 262    GLuint regHTXnTBC[2];
 263    GLuint regHTXnTRAH[2];
 264
 265    int vertexSize;
 266    int hwVertexSize;
 267    GLboolean ptexHack;
 268    int coloroffset;
 269    int specoffset;
 270
 271    GLint lastStamp;
 272
 273    GLuint ClearColor;
 274    GLuint ClearMask;
 275
 276    /* DRI stuff
 277     */
 278    GLboolean doPageFlip;
 279
 280    struct via_renderbuffer *drawBuffer;
 281
 282    GLuint numClipRects;         /* cliprects for that buffer */
 283    drm_clip_rect_t *pClipRects;
 284
 285    GLboolean scissor;
 286    drm_clip_rect_t drawRect;
 287    drm_clip_rect_t scissorRect;
 288
 289    drm_context_t hHWContext;
 290    drm_hw_lock_t *driHwLock;
 291    int driFd;
 292    __DRInativeDisplay *display;
 293
 294    /**
 295     * DRI drawable bound to this context for drawing.
 296     */
 297    __DRIdrawablePrivate *driDrawable;
 298
 299    /**
 300     * DRI drawable bound to this context for reading.
 301     */
 302    __DRIdrawablePrivate *driReadable;
 303
 304    __DRIscreenPrivate *driScreen;
 305    viaScreenPrivate *viaScreen;
 306    drm_via_sarea_t *sarea;
 307    volatile GLuint* regMMIOBase;
 308    volatile GLuint* pnGEMode;
 309    volatile GLuint* regEngineStatus;
 310    volatile GLuint* regTranSet;
 311    volatile GLuint* regTranSpace;
 312    GLuint agpBase;
 313    GLuint drawType;
 314
 315    GLuint nDoneFirstFlip;
 316    GLuint agpFullCount;
 317
 318    GLboolean clearTexCache;
 319    GLboolean thrashing;
 320
 321    /* Configuration cache
 322     */
 323    driOptionCache optionCache;
 324
 325    GLuint vblank_flags;
 326    GLuint vbl_seq;
 327
 328    int64_t swap_ust;
 329    int64_t swap_missed_ust;
 330
 331    GLuint swap_count;
 332    GLuint swap_missed_count;
 333
 334
 335    GLuint pfCurrentOffset;
 336    GLboolean allowPageFlip;
 337
 338    GLuint lastBreadcrumbRead;
 339    GLuint lastBreadcrumbWrite;
 340    GLuint lastSwap[2];
 341    GLuint lastDma;
 342
 343    GLuint total_alloc[VIA_MEM_SYSTEM+1];
 344
 345    struct via_tex_buffer tex_image_list[VIA_MEM_SYSTEM+1];
 346    struct via_tex_buffer freed_tex_buffers;
 347
 348 };
 349
 350
 351
 352 #define VIA_CONTEXT(ctx)   ((struct via_context *)(ctx->DriverCtx))
 353
 354
 355
 356 /* Lock the hardware and validate our state.
 357  */
 358 #define LOCK_HARDWARE(vmesa)                                    \
 359         do {                                                    \
 360             char __ret = 0;                                     \
 361             DRM_CAS(vmesa->driHwLock, vmesa->hHWContext,        \
 362                 (DRM_LOCK_HELD|vmesa->hHWContext), __ret);      \
 363             if (__ret)                                          \
 364                 viaGetLock(vmesa, 0);                           \
 365         } while (0)
 366
 367
 368 /* Release the kernel lock.
 369  */
 370 #define UNLOCK_HARDWARE(vmesa)                                          \
 371         DRM_UNLOCK(vmesa->driFd, vmesa->driHwLock, vmesa->hHWContext);
 372
 373
 374
 375 extern GLuint VIA_DEBUG;
 376
 377 #define DEBUG_TEXTURE   0x1
 378 #define DEBUG_STATE     0x2
 379 #define DEBUG_IOCTL     0x4
 380 #define DEBUG_PRIMS     0x8
 381 #define DEBUG_VERTS     0x10
 382 #define DEBUG_FALLBACKS 0x20
 383 #define DEBUG_VERBOSE   0x40
 384 #define DEBUG_DRI       0x80
 385 #define DEBUG_DMA       0x100
 386 #define DEBUG_SANITY    0x200
 387 #define DEBUG_SYNC      0x400
 388 #define DEBUG_SLEEP     0x800
 389 #define DEBUG_PIXEL     0x1000
 390 #define DEBUG_2D        0x2000
 391
 392
 393 extern void viaGetLock(struct via_context *vmesa, GLuint flags);
 394 extern void viaLock(struct via_context *vmesa, GLuint flags);
 395 extern void viaUnLock(struct via_context *vmesa, GLuint flags);
 396 extern void viaEmitHwStateLocked(struct via_context *vmesa);
 397 extern void viaEmitScissorValues(struct via_context *vmesa, int box_nr, int emit);
 398 extern void viaXMesaSetBackClipRects(struct via_context *vmesa);
 399 extern void viaXMesaSetFrontClipRects(struct via_context *vmesa);
 400 extern void viaReAllocateBuffers(GLcontext *ctx, GLframebuffer *drawbuffer, GLuint width, GLuint height);
 401 extern void viaXMesaWindowMoved(struct via_context *vmesa);
 402
 403 extern GLboolean viaTexCombineState(struct via_context *vmesa,
 404                                     const struct gl_tex_env_combine_state * combine,
 405                                     unsigned unit );
 406
 407 /* Via hw already adjusted for GL pixel centers:
 408  */
 409 #define SUBPIXEL_X 0
 410 #define SUBPIXEL_Y 0
 411
 412 /* TODO XXX _SOLO temp defines to make code compilable */
 413 #ifndef GLX_PBUFFER_BIT
 414 #define GLX_PBUFFER_BIT        0x00000004
 415 #endif
 416 #ifndef GLX_WINDOW_BIT
 417 #define GLX_WINDOW_BIT 0x00000001
 418 #endif
 419 #ifndef VERT_BIT_CLIP
 420 #define VERT_BIT_CLIP       0x1000000
 421 #endif
 422
 423 #endif