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 typedef struct via_context_t viaContext;
  30 typedef struct via_context_t *viaContextPtr;
  31 typedef struct via_texture_object_t *viaTextureObjectPtr;
  32
  33 #include "dri_util.h"
  34
  35 #include "mtypes.h"
  36 #include "drm.h"
  37 #include "mm.h"
  38
  39 #include "via_screen.h"
  40 #include "via_tex.h"
  41 #include "via_common.h"
  42 #include "xf86drmVIA.h"
  43 #define VIA_FALLBACK_TEXTURE            0x1
  44 #define VIA_FALLBACK_DRAW_BUFFER        0x2
  45 #define VIA_FALLBACK_READ_BUFFER        0x4
  46 #define VIA_FALLBACK_COLORMASK          0x8
  47 #define VIA_FALLBACK_SPECULAR           0x20
  48 #define VIA_FALLBACK_LOGICOP            0x40
  49 #define VIA_FALLBACK_RENDERMODE         0x80
  50 #define VIA_FALLBACK_STENCIL            0x100
  51 #define VIA_FALLBACK_BLEND_EQ           0x200
  52 #define VIA_FALLBACK_BLEND_FUNC         0x400
  53 #define VIA_FALLBACK_USER_DISABLE       0x800
  54
  55 #define VIA_DMA_BUFSIZ                  5000
  56 #define VIA_DMA_HIGHWATER               (VIA_DMA_BUFSIZ - 256)
  57
  58 #define VIA_NO_CLIPRECTS 0x1
  59
  60
  61 /* Use the templated vertex formats:
  62  */
  63 #define TAG(x) via##x
  64 #include "tnl_dd/t_dd_vertex.h"
  65 #undef TAG
  66
  67 typedef void (*via_tri_func)(viaContextPtr, viaVertex *, viaVertex *,
  68                              viaVertex *);
  69 typedef void (*via_line_func)(viaContextPtr, viaVertex *, viaVertex *);
  70 typedef void (*via_point_func)(viaContextPtr, viaVertex *);
  71
  72 typedef struct {
  73     drm_handle_t handle;
  74     drmSize size;
  75     GLuint offset;
  76     GLuint index;
  77     GLuint pitch;
  78     GLuint bpp;
  79     char *map;
  80     GLuint orig;                /* The drawing origin,
  81                                  * at (drawX,drawY) in screen space.
  82                                  */
  83     char *origMap;
  84 } viaBuffer, *viaBufferPtr;
  85
  86
  87 struct via_context_t {
  88     GLint refcount;
  89     GLcontext *glCtx;
  90     GLcontext *shareCtx;
  91     viaBuffer front;
  92     viaBuffer back;
  93     viaBuffer depth;
  94     GLboolean hasBack;
  95     GLboolean hasDepth;
  96     GLboolean hasStencil;
  97     GLboolean hasAccum;
  98     GLuint    depthBits;
  99     GLuint    stencilBits;
 100
 101    GLboolean have_hw_stencil;
 102    GLuint ClearDepth;
 103    GLuint depth_clear_mask;
 104    GLuint stencil_clear_mask;
 105    GLfloat depth_max;
 106    GLfloat polygon_offset_scale;
 107
 108     GLubyte    *dma;
 109     viaRegion tex;
 110
 111     GLuint isAGP;
 112
 113     /* Textures
 114     */
 115     viaTextureObjectPtr CurrentTexObj[2];
 116     struct via_texture_object_t TexObjList;
 117     struct via_texture_object_t SwappedOut;
 118     memHeap_t *texHeap;
 119
 120     /* Bit flag to keep 0track of fallbacks.
 121      */
 122     GLuint Fallback;
 123
 124     /* State for via_vb.c and via_tris.c.
 125      */
 126     GLuint newState;            /* _NEW_* flags */
 127     GLuint newEmitState;            /* _NEW_* flags */
 128     GLuint setupNewInputs;
 129     GLuint setupIndex;
 130     GLuint renderIndex;
 131     GLmatrix ViewportMatrix;
 132     GLenum renderPrimitive;
 133     GLenum hwPrimitive;
 134     unsigned char *verts;
 135
 136     /* drmBufPtr dma_buffer;
 137     */
 138     GLuint dmaLow;
 139     GLuint dmaCliprectAddr;
 140     GLuint dmaLastPrim;
 141     GLboolean useAgp;
 142
 143
 144     /* Fallback rasterization functions
 145      */
 146     via_point_func drawPoint;
 147     via_line_func drawLine;
 148     via_tri_func drawTri;
 149
 150     /* Hardware register
 151      */
 152     GLuint regCmdA;
 153     GLuint regCmdA_End;
 154     GLuint regCmdB;
 155
 156     GLuint regEnable;
 157     GLuint regHFBBMSKL;
 158     GLuint regHROP;
 159
 160     GLuint regHZWTMD;
 161     GLuint regHSTREF;
 162     GLuint regHSTMD;
 163
 164     GLuint regHATMD;
 165     GLuint regHABLCsat;
 166     GLuint regHABLCop;
 167     GLuint regHABLAsat;
 168     GLuint regHABLAop;
 169     GLuint regHABLRCa;
 170     GLuint regHABLRFCa;
 171     GLuint regHABLRCbias;
 172     GLuint regHABLRCb;
 173     GLuint regHABLRFCb;
 174     GLuint regHABLRAa;
 175     GLuint regHABLRAb;
 176     GLuint regHFogLF;
 177     GLuint regHFogCL;
 178     GLuint regHFogCH;
 179
 180     GLuint regHLP;
 181     GLuint regHLPRF;
 182
 183     GLuint regHTXnTB_0;
 184     GLuint regHTXnMPMD_0;
 185     GLuint regHTXnTBLCsat_0;
 186     GLuint regHTXnTBLCop_0;
 187     GLuint regHTXnTBLMPfog_0;
 188     GLuint regHTXnTBLAsat_0;
 189     GLuint regHTXnTBLRCb_0;
 190     GLuint regHTXnTBLRAa_0;
 191     GLuint regHTXnTBLRFog_0;
 192     /*=* John Sheng [2003.7.18] texture combine *=*/
 193     GLuint regHTXnTBLRCa_0;
 194     GLuint regHTXnTBLRCc_0;
 195     GLuint regHTXnTBLRCbias_0;
 196
 197     GLuint regHTXnTB_1;
 198     GLuint regHTXnMPMD_1;
 199     GLuint regHTXnTBLCsat_1;
 200     GLuint regHTXnTBLCop_1;
 201     GLuint regHTXnTBLMPfog_1;
 202     GLuint regHTXnTBLAsat_1;
 203     GLuint regHTXnTBLRCb_1;
 204     GLuint regHTXnTBLRAa_1;
 205     GLuint regHTXnTBLRFog_1;
 206
 207     /* Hardware state
 208      */
 209     GLuint dirty;
 210     int vertexSize;
 211     int vertexFormat;
 212     GLint lastStamp;
 213
 214     GLenum TexEnvImageFmt[2];
 215     GLuint ClearColor;
 216     GLuint ClearMask;
 217
 218     /* DRI stuff
 219      */
 220     GLuint needClip;
 221     GLframebuffer *glBuffer;
 222     GLboolean doPageFlip;
 223     /*=* John Sheng [2003.5.31] flip *=*/
 224     GLuint currentPage;
 225
 226     viaBuffer *drawBuffer;
 227     viaBuffer *readBuffer;
 228     int drawX;                   /* origin of drawable in draw buffer */
 229     int drawY;
 230
 231     int drawW;
 232     int drawH;
 233
 234     int drawXoff;
 235     GLuint numClipRects;         /* cliprects for that buffer */
 236     drm_clip_rect_t *pClipRects;
 237
 238     int lastSwap;
 239     int texAge;
 240     int ctxAge;
 241     int dirtyAge;
 242
 243     GLboolean scissor;
 244     drm_clip_rect_t drawRect;
 245     drm_clip_rect_t scissorRect;
 246
 247     drm_context_t hHWContext;
 248     drm_hw_lock_t *driHwLock;
 249     int driFd;
 250     __DRInativeDisplay *display;
 251
 252     __DRIdrawablePrivate *driDrawable;
 253     __DRIscreenPrivate *driScreen;
 254     viaScreenPrivate *viaScreen;
 255     drm_via_sarea_t *sarea;
 256     volatile GLuint* regMMIOBase;
 257     volatile GLuint* pnGEMode;
 258     volatile GLuint* regEngineStatus;
 259     volatile GLuint* regTranSet;
 260     volatile GLuint* regTranSpace;
 261     GLuint* agpBase;
 262     GLuint drawType;
 263
 264    GLuint nDoneFirstFlip;
 265    GLuint agpFullCount;
 266
 267    /* Configuration cache
 268     */
 269    driOptionCache optionCache;
 270
 271    GLuint vblank_flags;
 272    GLuint vbl_seq;
 273
 274    int64_t swap_ust;
 275    int64_t swap_missed_ust;
 276
 277    GLuint swap_count;
 278    GLuint swap_missed_count;
 279
 280    PFNGLXGETUSTPROC get_ust;
 281
 282 };
 283
 284
 285
 286 #define VIA_CONTEXT(ctx)   ((viaContextPtr)(ctx->DriverCtx))
 287
 288 #define GET_DISPATCH_AGE(vmesa) vmesa->sarea->lastDispatch
 289 #define GET_ENQUEUE_AGE(vmesa) vmesa->sarea->lastEnqueue
 290
 291
 292 /* Lock the hardware and validate our state.
 293  */
 294 #define LOCK_HARDWARE(vmesa)                                    \
 295         do {                                                    \
 296             char __ret = 0;                                     \
 297             DRM_CAS(vmesa->driHwLock, vmesa->hHWContext,        \
 298                 (DRM_LOCK_HELD|vmesa->hHWContext), __ret);      \
 299             if (__ret)                                          \
 300                 viaGetLock(vmesa, 0);                           \
 301         } while (0)
 302
 303
 304 /* Release the kernel lock.
 305  */
 306 #define UNLOCK_HARDWARE(vmesa)                                          \
 307         DRM_UNLOCK(vmesa->driFd, vmesa->driHwLock, vmesa->hHWContext);
 308
 309 #define WAIT_IDLE(vmesa)                                                        \
 310     do {                                                                \
 311         if ((((GLuint)*vmesa->regEngineStatus) & 0xFFFEFFFF) == 0x00020000)     \
 312             break;                                                              \
 313     } while (1)
 314
 315
 316 #ifdef DEBUG
 317 extern GLuint VIA_DEBUG;
 318 #else
 319 #define VIA_DEBUG 0
 320 #endif
 321
 322
 323 extern void viaGetLock(viaContextPtr vmesa, GLuint flags);
 324 extern void viaLock(viaContextPtr vmesa, GLuint flags);
 325 extern void viaUnLock(viaContextPtr vmesa, GLuint flags);
 326 extern void viaEmitHwStateLocked(viaContextPtr vmesa);
 327 extern void viaEmitScissorValues(viaContextPtr vmesa, int box_nr, int emit);
 328 extern void viaXMesaSetBackClipRects(viaContextPtr vmesa);
 329 extern void viaXMesaSetFrontClipRects(viaContextPtr vmesa);
 330 extern void viaReAllocateBuffers(GLframebuffer *drawbuffer);
 331 extern void viaXMesaWindowMoved(viaContextPtr vmesa);
 332
 333 extern void viaTexCombineState(viaContextPtr vmesa,
 334     const struct gl_tex_env_combine_state * combine, unsigned unit );
 335
 336 /* Via hw already adjusted for GL pixel centers:
 337  */
 338 #define SUBPIXEL_X 0
 339 #define SUBPIXEL_Y 0
 340
 341 /* TODO XXX _SOLO temp defines to make code compilable */
 342 #ifndef GLX_PBUFFER_BIT
 343 #define GLX_PBUFFER_BIT        0x00000004
 344 #endif
 345 #ifndef GLX_WINDOW_BIT
 346 #define GLX_WINDOW_BIT 0x00000001
 347 #endif
 348 #ifndef VERT_BIT_CLIP
 349 #define VERT_BIT_CLIP       0x1000000
 350 #endif
 351
 352 #endif