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 "drm.h"
  32
  33 #include "main/mtypes.h"
  34 #include "main/mm.h"
  35 #include "tnl/t_vertex.h"
  36
  37 #include "via_screen.h"
  38 #include "via_tex.h"
  39 #include "via_drm.h"
  40
  41 struct via_context;
  42
  43 /* Chip tags.  These are used to group the adapters into
  44  * related families.
  45  */
  46 enum VIACHIPTAGS {
  47     VIA_UNKNOWN = 0,
  48     VIA_CLE266,
  49     VIA_KM400,
  50     VIA_K8M800,
  51     VIA_PM800,
  52     VIA_LAST
  53 };
  54
  55 #define VIA_FALLBACK_TEXTURE            0x1
  56 #define VIA_FALLBACK_DRAW_BUFFER        0x2
  57 #define VIA_FALLBACK_READ_BUFFER        0x4
  58 #define VIA_FALLBACK_COLORMASK          0x8
  59 #define VIA_FALLBACK_SPECULAR           0x20
  60 #define VIA_FALLBACK_LOGICOP            0x40
  61 #define VIA_FALLBACK_RENDERMODE         0x80
  62 #define VIA_FALLBACK_STENCIL            0x100
  63 #define VIA_FALLBACK_BLEND_EQ           0x200
  64 #define VIA_FALLBACK_BLEND_FUNC         0x400
  65 #define VIA_FALLBACK_USER_DISABLE       0x800
  66 #define VIA_FALLBACK_PROJ_TEXTURE       0x1000
  67 #define VIA_FALLBACK_POLY_STIPPLE       0x2000
  68
  69 #define VIA_DMA_BUFSIZ                  4096
  70 #define VIA_DMA_HIGHWATER               (VIA_DMA_BUFSIZ - 128)
  71
  72 #define VIA_NO_CLIPRECTS 0x1
  73
  74
  75 /* Use the templated vertex formats:
  76  */
  77 #define TAG(x) via##x
  78 #include "tnl_dd/t_dd_vertex.h"
  79 #undef TAG
  80
  81 typedef void (*via_tri_func)(struct via_context *, viaVertex *, viaVertex *,
  82                              viaVertex *);
  83 typedef void (*via_line_func)(struct via_context *, viaVertex *, viaVertex *);
  84 typedef void (*via_point_func)(struct via_context *, viaVertex *);
  85
  86 /**
  87  * Derived from gl_renderbuffer.
  88  */
  89 struct via_renderbuffer {
  90    struct gl_renderbuffer Base;  /* must be first! */
  91    drm_handle_t handle;
  92    drmSize size;
  93    unsigned long offset;
  94    unsigned long index;
  95    GLuint pitch;
  96    GLuint bpp;
  97    char *map;
  98    GLuint orig;         /* The drawing origin,
  99                          * at (drawX,drawY) in screen space.
 100                          */
 101    char *origMap;
 102
 103    int drawX;                   /* origin of drawable in draw buffer */
 104    int drawY;
 105    int drawW;
 106    int drawH;
 107
 108    __DRIdrawable *dPriv;
 109 };
 110
 111
 112 #define VIA_MAX_TEXLEVELS       10
 113
 114 struct via_tex_buffer {
 115    struct via_tex_buffer *next, *prev;
 116    struct via_texture_image *image;
 117    unsigned long index;
 118    unsigned long offset;
 119    GLuint size;
 120    GLuint memType;
 121    unsigned char *bufAddr;
 122    GLuint texBase;
 123    GLuint lastUsed;
 124 };
 125
 126
 127
 128 struct via_texture_image {
 129    struct gl_texture_image image;
 130    struct via_tex_buffer *texMem;
 131    GLint pitchLog2;
 132 };
 133
 134 struct via_texture_object {
 135    struct gl_texture_object obj; /* The "parent" object */
 136
 137    GLuint texelBytes;
 138    GLuint memType;
 139
 140    GLuint regTexFM;
 141    GLuint regTexWidthLog2[2];
 142    GLuint regTexHeightLog2[2];
 143    GLuint regTexBaseH[4];
 144    struct {
 145       GLuint baseL;
 146       GLuint pitchLog2;
 147    } regTexBaseAndPitch[12];
 148
 149    GLint firstLevel, lastLevel;  /* upload tObj->Image[first .. lastLevel] */
 150 };
 151
 152
 153
 154 struct via_context {
 155    GLint refcount;
 156    struct gl_context *glCtx;
 157    struct gl_context *shareCtx;
 158
 159    /* XXX These don't belong here.  They should be per-drawable state. */
 160    struct via_renderbuffer front;
 161    struct via_renderbuffer back;
 162    struct via_renderbuffer depth;
 163    struct via_renderbuffer stencil; /* mirrors depth */
 164    struct via_renderbuffer breadcrumb;
 165
 166    GLboolean hasBack;
 167    GLboolean hasDepth;
 168    GLboolean hasStencil;
 169    GLboolean hasAccum;
 170    GLuint    depthBits;
 171    GLuint    stencilBits;
 172
 173    GLboolean have_hw_stencil;
 174    GLuint ClearDepth;
 175    GLuint depth_clear_mask;
 176    GLuint stencil_clear_mask;
 177    GLfloat depth_max;
 178    GLfloat polygon_offset_scale;
 179
 180    GLubyte    *dma;
 181    viaRegion tex;
 182
 183    /* Bit flag to keep 0track of fallbacks.
 184     */
 185    GLuint Fallback;
 186
 187    /* State for via_tris.c.
 188     */
 189    GLuint newState;            /* _NEW_* flags */
 190    GLuint newEmitState;            /* _NEW_* flags */
 191    GLuint newRenderState;            /* _NEW_* flags */
 192
 193    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 194    GLuint vertex_attr_count;
 195
 196    GLuint setupIndex;
 197    GLuint renderIndex;
 198    GLmatrix ViewportMatrix;
 199    GLenum renderPrimitive;
 200    GLenum hwPrimitive;
 201    GLenum hwShadeModel;
 202    unsigned char *verts;
 203
 204    /* drmBufPtr dma_buffer;
 205     */
 206    GLuint dmaLow;
 207    GLuint dmaCliprectAddr;
 208    GLuint dmaLastPrim;
 209    GLboolean useAgp;
 210
 211
 212    /* Fallback rasterization functions
 213     */
 214    via_point_func drawPoint;
 215    via_line_func drawLine;
 216    via_tri_func drawTri;
 217
 218    /* Hardware register
 219     */
 220    GLuint regCmdA_End;
 221    GLuint regCmdB;
 222
 223    GLuint regEnable;
 224    GLuint regHFBBMSKL;
 225    GLuint regHROP;
 226
 227    GLuint regHZWTMD;
 228    GLuint regHSTREF;
 229    GLuint regHSTMD;
 230
 231    GLuint regHATMD;
 232    GLuint regHABLCsat;
 233    GLuint regHABLCop;
 234    GLuint regHABLAsat;
 235    GLuint regHABLAop;
 236    GLuint regHABLRCa;
 237    GLuint regHABLRFCa;
 238    GLuint regHABLRCbias;
 239    GLuint regHABLRCb;
 240    GLuint regHABLRFCb;
 241    GLuint regHABLRAa;
 242    GLuint regHABLRAb;
 243    GLuint regHFogLF;
 244    GLuint regHFogCL;
 245    GLuint regHFogCH;
 246
 247    GLuint regHLP;
 248    GLuint regHLPRF;
 249
 250    GLuint regHTXnCLOD[2];
 251    GLuint regHTXnTB[2];
 252    GLuint regHTXnMPMD[2];
 253    GLuint regHTXnTBLCsat[2];
 254    GLuint regHTXnTBLCop[2];
 255    GLuint regHTXnTBLMPfog[2];
 256    GLuint regHTXnTBLAsat[2];
 257    GLuint regHTXnTBLRCb[2];
 258    GLuint regHTXnTBLRAa[2];
 259    GLuint regHTXnTBLRFog[2];
 260    GLuint regHTXnTBLRCa[2];
 261    GLuint regHTXnTBLRCc[2];
 262    GLuint regHTXnTBLRCbias[2];
 263    GLuint regHTXnTBC[2];
 264    GLuint regHTXnTRAH[2];
 265
 266    int vertexSize;
 267    int hwVertexSize;
 268    GLboolean ptexHack;
 269    int coloroffset;
 270    int specoffset;
 271
 272    GLint lastStamp;
 273
 274    GLuint ClearColor;
 275    GLuint ClearMask;
 276
 277    /* DRI stuff
 278     */
 279    GLboolean doPageFlip;
 280
 281    struct via_renderbuffer *drawBuffer;
 282
 283    GLuint numClipRects;         /* cliprects for that buffer */
 284    drm_clip_rect_t *pClipRects;
 285
 286    GLboolean scissor;
 287    drm_clip_rect_t drawRect;
 288    drm_clip_rect_t scissorRect;
 289
 290    drm_context_t hHWContext;
 291    drm_hw_lock_t *driHwLock;
 292    int driFd;
 293
 294    /**
 295     * DRI drawable bound to this context for drawing.
 296     */
 297    __DRIdrawable        *driDrawable;
 298
 299    /**
 300     * DRI drawable bound to this context for reading.
 301     */
 302    __DRIdrawable        *driReadable;
 303
 304    __DRIscreen *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    int64_t swap_ust;
 326    int64_t swap_missed_ust;
 327
 328    GLuint swap_count;
 329    GLuint swap_missed_count;
 330
 331
 332    GLuint pfCurrentOffset;
 333    GLboolean allowPageFlip;
 334
 335    GLuint lastBreadcrumbRead;
 336    GLuint lastBreadcrumbWrite;
 337    GLuint lastSwap[2];
 338    GLuint lastDma;
 339
 340    GLuint total_alloc[VIA_MEM_SYSTEM+1];
 341
 342    struct via_tex_buffer tex_image_list[VIA_MEM_SYSTEM+1];
 343    struct via_tex_buffer freed_tex_buffers;
 344
 345 };
 346
 347
 348
 349 #define VIA_CONTEXT(ctx)   ((struct via_context *)(ctx->DriverCtx))
 350
 351
 352
 353 /* Lock the hardware and validate our state.
 354  */
 355 #define LOCK_HARDWARE(vmesa)                                    \
 356         do {                                                    \
 357             char __ret = 0;                                     \
 358             DRM_CAS(vmesa->driHwLock, vmesa->hHWContext,        \
 359                 (DRM_LOCK_HELD|vmesa->hHWContext), __ret);      \
 360             if (__ret)                                          \
 361                 viaGetLock(vmesa, 0);                           \
 362         } while (0)
 363
 364
 365 /* Release the kernel lock.
 366  */
 367 #define UNLOCK_HARDWARE(vmesa)                                          \
 368         DRM_UNLOCK(vmesa->driFd, vmesa->driHwLock, vmesa->hHWContext);
 369
 370
 371
 372 extern GLuint VIA_DEBUG;
 373
 374 #define DEBUG_TEXTURE   0x1
 375 #define DEBUG_STATE     0x2
 376 #define DEBUG_IOCTL     0x4
 377 #define DEBUG_PRIMS     0x8
 378 #define DEBUG_VERTS     0x10
 379 #define DEBUG_FALLBACKS 0x20
 380 #define DEBUG_VERBOSE   0x40
 381 #define DEBUG_DRI       0x80
 382 #define DEBUG_DMA       0x100
 383 #define DEBUG_SANITY    0x200
 384 #define DEBUG_SYNC      0x400
 385 #define DEBUG_SLEEP     0x800
 386 #define DEBUG_PIXEL     0x1000
 387 #define DEBUG_2D        0x2000
 388
 389
 390 extern void viaGetLock(struct via_context *vmesa, GLuint flags);
 391 extern void viaLock(struct via_context *vmesa, GLuint flags);
 392 extern void viaUnLock(struct via_context *vmesa, GLuint flags);
 393 extern void viaEmitHwStateLocked(struct via_context *vmesa);
 394 extern void viaEmitScissorValues(struct via_context *vmesa, int box_nr, int emit);
 395 extern void viaXMesaSetBackClipRects(struct via_context *vmesa);
 396 extern void viaXMesaSetFrontClipRects(struct via_context *vmesa);
 397 extern void viaReAllocateBuffers(struct gl_context *ctx, struct gl_framebuffer *drawbuffer, GLuint width, GLuint height);
 398 extern void viaXMesaWindowMoved(struct via_context *vmesa);
 399
 400 extern GLboolean viaTexCombineState(struct via_context *vmesa,
 401                                     const struct gl_tex_env_combine_state * combine,
 402                                     unsigned unit );
 403
 404 /* Via hw already adjusted for GL pixel centers:
 405  */
 406 #define SUBPIXEL_X 0
 407 #define SUBPIXEL_Y 0
 408
 409 /* TODO XXX _SOLO temp defines to make code compilable */
 410 #ifndef GLX_PBUFFER_BIT
 411 #define GLX_PBUFFER_BIT        0x00000004
 412 #endif
 413 #ifndef GLX_WINDOW_BIT
 414 #define GLX_WINDOW_BIT 0x00000001
 415 #endif
 416 #ifndef VERT_BIT_CLIP
 417 #define VERT_BIT_CLIP       0x1000000
 418 #endif
 419
 420 #endif