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_common.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 struct via_buffer {
  86    drm_handle_t handle;
  87    drmSize size;
  88    GLuint offset;
  89    GLuint index;
  90    GLuint pitch;
  91    GLuint bpp;
  92    char *map;
  93    GLuint orig;         /* The drawing origin,
  94                          * at (drawX,drawY) in screen space.
  95                          */
  96    char *origMap;
  97 };
  98
  99
 100 #define VIA_MAX_TEXLEVELS       10
 101
 102 struct via_tex_buffer {
 103    struct via_tex_buffer *next, *prev;
 104    struct via_texture_image *image;
 105    GLuint index;
 106    GLuint offset;
 107    GLuint size;
 108    GLuint memType;
 109    unsigned char *bufAddr;
 110    GLuint texBase;
 111    GLuint lastUsed;
 112 };
 113
 114
 115
 116 struct via_texture_image {
 117    struct gl_texture_image image;
 118    struct via_tex_buffer *texMem;
 119    GLint pitchLog2;
 120 };
 121
 122 struct via_texture_object {
 123    struct gl_texture_object obj; /* The "parent" object */
 124
 125    GLuint texelBytes;
 126    GLuint memType;
 127
 128    GLuint regTexFM;
 129    GLuint regTexWidthLog2[2];
 130    GLuint regTexHeightLog2[2];
 131    GLuint regTexBaseH[4];
 132    struct {
 133       GLuint baseL;
 134       GLuint pitchLog2;
 135    } regTexBaseAndPitch[12];
 136
 137    GLint firstLevel, lastLevel;  /* upload tObj->Image[first .. lastLevel] */
 138 };
 139
 140
 141
 142 struct via_context {
 143    GLint refcount;
 144    GLcontext *glCtx;
 145    GLcontext *shareCtx;
 146
 147    struct via_buffer front;
 148    struct via_buffer back;
 149    struct via_buffer depth;
 150    struct via_buffer breadcrumb;
 151
 152    GLboolean hasBack;
 153    GLboolean hasDepth;
 154    GLboolean hasStencil;
 155    GLboolean hasAccum;
 156    GLuint    depthBits;
 157    GLuint    stencilBits;
 158
 159    GLboolean have_hw_stencil;
 160    GLuint ClearDepth;
 161    GLuint depth_clear_mask;
 162    GLuint stencil_clear_mask;
 163    GLfloat depth_max;
 164    GLfloat polygon_offset_scale;
 165
 166    GLubyte    *dma;
 167    viaRegion tex;
 168
 169    /* Bit flag to keep 0track of fallbacks.
 170     */
 171    GLuint Fallback;
 172
 173    /* State for via_tris.c.
 174     */
 175    GLuint newState;            /* _NEW_* flags */
 176    GLuint newEmitState;            /* _NEW_* flags */
 177    GLuint newRenderState;            /* _NEW_* flags */
 178
 179    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 180    GLuint vertex_attr_count;
 181
 182    GLuint setupIndex;
 183    GLuint renderIndex;
 184    GLmatrix ViewportMatrix;
 185    GLenum renderPrimitive;
 186    GLenum hwPrimitive;
 187    GLenum hwShadeModel;
 188    unsigned char *verts;
 189
 190    /* drmBufPtr dma_buffer;
 191     */
 192    GLuint dmaLow;
 193    GLuint dmaCliprectAddr;
 194    GLuint dmaLastPrim;
 195    GLboolean useAgp;
 196
 197
 198    /* Fallback rasterization functions
 199     */
 200    via_point_func drawPoint;
 201    via_line_func drawLine;
 202    via_tri_func drawTri;
 203
 204    /* Hardware register
 205     */
 206    GLuint regCmdA_End;
 207    GLuint regCmdB;
 208
 209    GLuint regEnable;
 210    GLuint regHFBBMSKL;
 211    GLuint regHROP;
 212
 213    GLuint regHZWTMD;
 214    GLuint regHSTREF;
 215    GLuint regHSTMD;
 216
 217    GLuint regHATMD;
 218    GLuint regHABLCsat;
 219    GLuint regHABLCop;
 220    GLuint regHABLAsat;
 221    GLuint regHABLAop;
 222    GLuint regHABLRCa;
 223    GLuint regHABLRFCa;
 224    GLuint regHABLRCbias;
 225    GLuint regHABLRCb;
 226    GLuint regHABLRFCb;
 227    GLuint regHABLRAa;
 228    GLuint regHABLRAb;
 229    GLuint regHFogLF;
 230    GLuint regHFogCL;
 231    GLuint regHFogCH;
 232
 233    GLuint regHLP;
 234    GLuint regHLPRF;
 235
 236    GLuint regHTXnCLOD[2];
 237    GLuint regHTXnTB[2];
 238    GLuint regHTXnMPMD[2];
 239    GLuint regHTXnTBLCsat[2];
 240    GLuint regHTXnTBLCop[2];
 241    GLuint regHTXnTBLMPfog[2];
 242    GLuint regHTXnTBLAsat[2];
 243    GLuint regHTXnTBLRCb[2];
 244    GLuint regHTXnTBLRAa[2];
 245    GLuint regHTXnTBLRFog[2];
 246    GLuint regHTXnTBLRCa[2];
 247    GLuint regHTXnTBLRCc[2];
 248    GLuint regHTXnTBLRCbias[2];
 249    GLuint regHTXnTBC[2];
 250    GLuint regHTXnTRAH[2];
 251
 252    int vertexSize;
 253    int hwVertexSize;
 254    GLboolean ptexHack;
 255    int coloroffset;
 256    int specoffset;
 257
 258    GLint lastStamp;
 259
 260    GLuint ClearColor;
 261    GLuint ClearMask;
 262
 263    /* DRI stuff
 264     */
 265    GLboolean doPageFlip;
 266
 267    struct via_buffer *drawBuffer;
 268    struct via_buffer *readBuffer;
 269
 270    int drawX;                   /* origin of drawable in draw buffer */
 271    int drawY;
 272    int drawW;
 273    int drawH;
 274
 275    int drawXoff;                /* drawX is 32byte aligned - this is
 276                                  * the delta to the real origin, in
 277                                  * pixel units.
 278                                  */
 279
 280    GLuint numClipRects;         /* cliprects for that buffer */
 281    drm_clip_rect_t *pClipRects;
 282
 283    GLboolean scissor;
 284    drm_clip_rect_t drawRect;
 285    drm_clip_rect_t scissorRect;
 286
 287    drm_context_t hHWContext;
 288    drm_hw_lock_t *driHwLock;
 289    int driFd;
 290    __DRInativeDisplay *display;
 291
 292    __DRIdrawablePrivate *driDrawable;
 293    __DRIscreenPrivate *driScreen;
 294    viaScreenPrivate *viaScreen;
 295    drm_via_sarea_t *sarea;
 296    volatile GLuint* regMMIOBase;
 297    volatile GLuint* pnGEMode;
 298    volatile GLuint* regEngineStatus;
 299    volatile GLuint* regTranSet;
 300    volatile GLuint* regTranSpace;
 301    GLuint* agpBase;
 302    GLuint drawType;
 303
 304    GLuint nDoneFirstFlip;
 305    GLuint agpFullCount;
 306
 307    GLboolean clearTexCache;
 308    GLboolean thrashing;
 309
 310    /* Configuration cache
 311     */
 312    driOptionCache optionCache;
 313
 314    GLuint vblank_flags;
 315    GLuint vbl_seq;
 316
 317    int64_t swap_ust;
 318    int64_t swap_missed_ust;
 319
 320    GLuint swap_count;
 321    GLuint swap_missed_count;
 322
 323    PFNGLXGETUSTPROC get_ust;
 324
 325    GLuint pfCurrentOffset;
 326    GLboolean allowPageFlip;
 327
 328    GLuint lastBreadcrumbRead;
 329    GLuint lastBreadcrumbWrite;
 330    GLuint lastSwap[2];
 331    GLuint lastDma;
 332
 333    GLuint total_alloc[VIA_MEM_SYSTEM+1];
 334
 335    struct via_tex_buffer tex_image_list[VIA_MEM_SYSTEM+1];
 336    struct via_tex_buffer freed_tex_buffers;
 337
 338 };
 339
 340
 341
 342 #define VIA_CONTEXT(ctx)   ((struct via_context *)(ctx->DriverCtx))
 343
 344
 345
 346 /* Lock the hardware and validate our state.
 347  */
 348 #define LOCK_HARDWARE(vmesa)                                    \
 349         do {                                                    \
 350             char __ret = 0;                                     \
 351             DRM_CAS(vmesa->driHwLock, vmesa->hHWContext,        \
 352                 (DRM_LOCK_HELD|vmesa->hHWContext), __ret);      \
 353             if (__ret)                                          \
 354                 viaGetLock(vmesa, 0);                           \
 355         } while (0)
 356
 357
 358 /* Release the kernel lock.
 359  */
 360 #define UNLOCK_HARDWARE(vmesa)                                          \
 361         DRM_UNLOCK(vmesa->driFd, vmesa->driHwLock, vmesa->hHWContext);
 362
 363
 364
 365 extern GLuint VIA_DEBUG;
 366
 367 #define DEBUG_TEXTURE   0x1
 368 #define DEBUG_STATE     0x2
 369 #define DEBUG_IOCTL     0x4
 370 #define DEBUG_PRIMS     0x8
 371 #define DEBUG_VERTS     0x10
 372 #define DEBUG_FALLBACKS 0x20
 373 #define DEBUG_VERBOSE   0x40
 374 #define DEBUG_DRI       0x80
 375 #define DEBUG_DMA       0x100
 376 #define DEBUG_SANITY    0x200
 377 #define DEBUG_SYNC      0x400
 378 #define DEBUG_SLEEP     0x800
 379 #define DEBUG_PIXEL     0x1000
 380 #define DEBUG_2D        0x2000
 381
 382
 383 extern void viaGetLock(struct via_context *vmesa, GLuint flags);
 384 extern void viaLock(struct via_context *vmesa, GLuint flags);
 385 extern void viaUnLock(struct via_context *vmesa, GLuint flags);
 386 extern void viaEmitHwStateLocked(struct via_context *vmesa);
 387 extern void viaEmitScissorValues(struct via_context *vmesa, int box_nr, int emit);
 388 extern void viaXMesaSetBackClipRects(struct via_context *vmesa);
 389 extern void viaXMesaSetFrontClipRects(struct via_context *vmesa);
 390 extern void viaReAllocateBuffers(GLcontext *ctx, GLframebuffer *drawbuffer, GLuint width, GLuint height);
 391 extern void viaXMesaWindowMoved(struct via_context *vmesa);
 392
 393 extern GLboolean viaTexCombineState(struct via_context *vmesa,
 394                                     const struct gl_tex_env_combine_state * combine,
 395                                     unsigned unit );
 396
 397 /* Via hw already adjusted for GL pixel centers:
 398  */
 399 #define SUBPIXEL_X 0
 400 #define SUBPIXEL_Y 0
 401
 402 /* TODO XXX _SOLO temp defines to make code compilable */
 403 #ifndef GLX_PBUFFER_BIT
 404 #define GLX_PBUFFER_BIT        0x00000004
 405 #endif
 406 #ifndef GLX_WINDOW_BIT
 407 #define GLX_WINDOW_BIT 0x00000001
 408 #endif
 409 #ifndef VERT_BIT_CLIP
 410 #define VERT_BIT_CLIP       0x1000000
 411 #endif
 412
 413 #endif