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 #include "tnl/t_vertex.h"
  39
  40 #include "via_screen.h"
  41 #include "via_tex.h"
  42 #include "via_common.h"
  43 #include "xf86drmVIA.h"
  44
  45 #define VIA_FALLBACK_TEXTURE            0x1
  46 #define VIA_FALLBACK_DRAW_BUFFER        0x2
  47 #define VIA_FALLBACK_READ_BUFFER        0x4
  48 #define VIA_FALLBACK_COLORMASK          0x8
  49 #define VIA_FALLBACK_SPECULAR           0x20
  50 #define VIA_FALLBACK_LOGICOP            0x40
  51 #define VIA_FALLBACK_RENDERMODE         0x80
  52 #define VIA_FALLBACK_STENCIL            0x100
  53 #define VIA_FALLBACK_BLEND_EQ           0x200
  54 #define VIA_FALLBACK_BLEND_FUNC         0x400
  55 #define VIA_FALLBACK_USER_DISABLE       0x800
  56 #define VIA_FALLBACK_PROJ_TEXTURE       0x1000
  57
  58 #define VIA_DMA_BUFSIZ                  4096
  59 #define VIA_DMA_HIGHWATER               (VIA_DMA_BUFSIZ - 128)
  60
  61 #define VIA_NO_CLIPRECTS 0x1
  62
  63
  64 /* Use the templated vertex formats:
  65  */
  66 #define TAG(x) via##x
  67 #include "tnl_dd/t_dd_vertex.h"
  68 #undef TAG
  69
  70 typedef void (*via_tri_func)(viaContextPtr, viaVertex *, viaVertex *,
  71                              viaVertex *);
  72 typedef void (*via_line_func)(viaContextPtr, viaVertex *, viaVertex *);
  73 typedef void (*via_point_func)(viaContextPtr, viaVertex *);
  74
  75 typedef struct {
  76     drm_handle_t handle;
  77     drmSize size;
  78     GLuint offset;
  79     GLuint index;
  80     GLuint pitch;
  81     GLuint bpp;
  82     char *map;
  83     GLuint orig;                /* The drawing origin,
  84                                  * at (drawX,drawY) in screen space.
  85                                  */
  86     char *origMap;
  87 } viaBuffer, *viaBufferPtr;
  88
  89
  90 struct via_context_t {
  91     GLint refcount;
  92     GLcontext *glCtx;
  93     GLcontext *shareCtx;
  94     viaBuffer front;
  95     viaBuffer back;
  96     viaBuffer depth;
  97     GLboolean hasBack;
  98     GLboolean hasDepth;
  99     GLboolean hasStencil;
 100     GLboolean hasAccum;
 101     GLuint    depthBits;
 102     GLuint    stencilBits;
 103
 104    GLboolean have_hw_stencil;
 105    GLuint ClearDepth;
 106    GLuint depth_clear_mask;
 107    GLuint stencil_clear_mask;
 108    GLfloat depth_max;
 109    GLfloat polygon_offset_scale;
 110
 111     GLubyte    *dma;
 112     viaRegion tex;
 113
 114     GLuint isAGP;
 115
 116     /* Textures
 117     */
 118     viaTextureObjectPtr CurrentTexObj[2];
 119     struct via_texture_object_t TexObjList;
 120     struct via_texture_object_t SwappedOut;
 121     memHeap_t *texHeap;
 122
 123     /* Bit flag to keep 0track of fallbacks.
 124      */
 125     GLuint Fallback;
 126
 127     /* State for via_tris.c.
 128      */
 129     GLuint newState;            /* _NEW_* flags */
 130     GLuint newEmitState;            /* _NEW_* flags */
 131     GLuint newRenderState;            /* _NEW_* flags */
 132
 133     struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 134     GLuint vertex_attr_count;
 135
 136     GLuint setupIndex;
 137     GLuint renderIndex;
 138     GLmatrix ViewportMatrix;
 139     GLenum renderPrimitive;
 140     GLenum hwPrimitive;
 141     unsigned char *verts;
 142
 143     /* drmBufPtr dma_buffer;
 144     */
 145     GLuint dmaLow;
 146     GLuint dmaCliprectAddr;
 147     GLuint dmaLastPrim;
 148     GLboolean useAgp;
 149
 150
 151     /* Fallback rasterization functions
 152      */
 153     via_point_func drawPoint;
 154     via_line_func drawLine;
 155     via_tri_func drawTri;
 156
 157     /* Hardware register
 158      */
 159     GLuint regCmdA;
 160     GLuint regCmdA_End;
 161     GLuint regCmdB;
 162
 163     GLuint regEnable;
 164     GLuint regHFBBMSKL;
 165     GLuint regHROP;
 166
 167     GLuint regHZWTMD;
 168     GLuint regHSTREF;
 169     GLuint regHSTMD;
 170
 171     GLuint regHATMD;
 172     GLuint regHABLCsat;
 173     GLuint regHABLCop;
 174     GLuint regHABLAsat;
 175     GLuint regHABLAop;
 176     GLuint regHABLRCa;
 177     GLuint regHABLRFCa;
 178     GLuint regHABLRCbias;
 179     GLuint regHABLRCb;
 180     GLuint regHABLRFCb;
 181     GLuint regHABLRAa;
 182     GLuint regHABLRAb;
 183     GLuint regHFogLF;
 184     GLuint regHFogCL;
 185     GLuint regHFogCH;
 186
 187     GLuint regHLP;
 188     GLuint regHLPRF;
 189
 190     GLuint regHTXnTB_0;
 191     GLuint regHTXnMPMD_0;
 192     GLuint regHTXnTBLCsat_0;
 193     GLuint regHTXnTBLCop_0;
 194     GLuint regHTXnTBLMPfog_0;
 195     GLuint regHTXnTBLAsat_0;
 196     GLuint regHTXnTBLRCb_0;
 197     GLuint regHTXnTBLRAa_0;
 198     GLuint regHTXnTBLRFog_0;
 199     /*=* John Sheng [2003.7.18] texture combine *=*/
 200     GLuint regHTXnTBLRCa_0;
 201     GLuint regHTXnTBLRCc_0;
 202     GLuint regHTXnTBLRCbias_0;
 203
 204     GLuint regHTXnTB_1;
 205     GLuint regHTXnMPMD_1;
 206     GLuint regHTXnTBLCsat_1;
 207     GLuint regHTXnTBLCop_1;
 208     GLuint regHTXnTBLMPfog_1;
 209     GLuint regHTXnTBLAsat_1;
 210     GLuint regHTXnTBLRCb_1;
 211     GLuint regHTXnTBLRAa_1;
 212     GLuint regHTXnTBLRFog_1;
 213
 214     int vertexSize;
 215     int hwVertexSize;
 216     GLboolean ptexHack;
 217     int coloroffset;
 218     int specoffset;
 219
 220     GLint lastStamp;
 221
 222     GLenum TexEnvImageFmt[2];
 223     GLuint ClearColor;
 224     GLuint ClearMask;
 225
 226     /* DRI stuff
 227      */
 228     GLuint needClip;
 229     GLframebuffer *glBuffer;
 230     GLboolean doPageFlip;
 231     /*=* John Sheng [2003.5.31] flip *=*/
 232     GLuint currentPage;
 233
 234     viaBuffer *drawBuffer;
 235     viaBuffer *readBuffer;
 236     int drawX;                   /* origin of drawable in draw buffer */
 237     int drawY;
 238
 239     int drawW;
 240     int drawH;
 241
 242     int drawXoff;
 243     GLuint numClipRects;         /* cliprects for that buffer */
 244     drm_clip_rect_t *pClipRects;
 245
 246     int lastSwap;
 247     int texAge;
 248     int ctxAge;
 249     int dirtyAge;
 250
 251     GLboolean scissor;
 252     drm_clip_rect_t drawRect;
 253     drm_clip_rect_t scissorRect;
 254
 255     drm_context_t hHWContext;
 256     drm_hw_lock_t *driHwLock;
 257     int driFd;
 258     __DRInativeDisplay *display;
 259
 260     __DRIdrawablePrivate *driDrawable;
 261     __DRIscreenPrivate *driScreen;
 262     viaScreenPrivate *viaScreen;
 263     drm_via_sarea_t *sarea;
 264     volatile GLuint* regMMIOBase;
 265     volatile GLuint* pnGEMode;
 266     volatile GLuint* regEngineStatus;
 267     volatile GLuint* regTranSet;
 268     volatile GLuint* regTranSpace;
 269     GLuint* agpBase;
 270     GLuint drawType;
 271
 272    GLuint nDoneFirstFlip;
 273    GLuint agpFullCount;
 274
 275    /* Configuration cache
 276     */
 277    driOptionCache optionCache;
 278
 279    GLuint vblank_flags;
 280    GLuint vbl_seq;
 281
 282    int64_t swap_ust;
 283    int64_t swap_missed_ust;
 284
 285    GLuint swap_count;
 286    GLuint swap_missed_count;
 287
 288    PFNGLXGETUSTPROC get_ust;
 289
 290 };
 291
 292
 293
 294 #define VIA_CONTEXT(ctx)   ((viaContextPtr)(ctx->DriverCtx))
 295
 296 #define GET_DISPATCH_AGE(vmesa) vmesa->sarea->lastDispatch
 297 #define GET_ENQUEUE_AGE(vmesa) vmesa->sarea->lastEnqueue
 298
 299
 300 /* Lock the hardware and validate our state.
 301  */
 302 #define LOCK_HARDWARE(vmesa)                                    \
 303         do {                                                    \
 304             char __ret = 0;                                     \
 305             DRM_CAS(vmesa->driHwLock, vmesa->hHWContext,        \
 306                 (DRM_LOCK_HELD|vmesa->hHWContext), __ret);      \
 307             if (__ret)                                          \
 308                 viaGetLock(vmesa, 0);                           \
 309         } while (0)
 310
 311
 312 /* Release the kernel lock.
 313  */
 314 #define UNLOCK_HARDWARE(vmesa)                                          \
 315         DRM_UNLOCK(vmesa->driFd, vmesa->driHwLock, vmesa->hHWContext);
 316
 317 #define WAIT_IDLE(vmesa)                                                        \
 318     do {                                                                \
 319         if ((((GLuint)*vmesa->regEngineStatus) & 0xFFFEFFFF) == 0x00020000)     \
 320             break;                                                              \
 321     } while (1)
 322
 323
 324 #ifdef DEBUG
 325 extern GLuint VIA_DEBUG;
 326 #else
 327 #define VIA_DEBUG 0
 328 #endif
 329
 330
 331 extern void viaGetLock(viaContextPtr vmesa, GLuint flags);
 332 extern void viaLock(viaContextPtr vmesa, GLuint flags);
 333 extern void viaUnLock(viaContextPtr vmesa, GLuint flags);
 334 extern void viaEmitHwStateLocked(viaContextPtr vmesa);
 335 extern void viaEmitScissorValues(viaContextPtr vmesa, int box_nr, int emit);
 336 extern void viaXMesaSetBackClipRects(viaContextPtr vmesa);
 337 extern void viaXMesaSetFrontClipRects(viaContextPtr vmesa);
 338 extern void viaReAllocateBuffers(GLframebuffer *drawbuffer);
 339 extern void viaXMesaWindowMoved(viaContextPtr vmesa);
 340
 341 extern void viaTexCombineState(viaContextPtr vmesa,
 342     const struct gl_tex_env_combine_state * combine, unsigned unit );
 343
 344 /* Via hw already adjusted for GL pixel centers:
 345  */
 346 #define SUBPIXEL_X 0
 347 #define SUBPIXEL_Y 0
 348
 349 /* TODO XXX _SOLO temp defines to make code compilable */
 350 #ifndef GLX_PBUFFER_BIT
 351 #define GLX_PBUFFER_BIT        0x00000004
 352 #endif
 353 #ifndef GLX_WINDOW_BIT
 354 #define GLX_WINDOW_BIT 0x00000001
 355 #endif
 356 #ifndef VERT_BIT_CLIP
 357 #define VERT_BIT_CLIP       0x1000000
 358 #endif
 359
 360 #endif