src/mesa/drivers/dri/savage/savagecontext.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
  27 #ifndef SAVAGECONTEXT_INC
  28 #define SAVAGECONTEXT_INC
  29
  30 typedef struct savage_context_t savageContext;
  31 typedef struct savage_context_t *savageContextPtr;
  32 typedef struct savage_texture_object_t *savageTextureObjectPtr;
  33
  34 #include <X11/Xlibint.h>
  35 #include "dri_util.h"
  36 #include "mtypes.h"
  37 #include "xf86drm.h"
  38 #include "drm.h"
  39 #include "savage_drm.h"
  40 #include "savage_init.h"
  41 #include "savage_3d_reg.h"
  42 #include "mm.h"
  43 #include "tnl/t_vertex.h"
  44
  45 #include "texmem.h"
  46
  47 #include "xmlconfig.h"
  48
  49 /* Reasons to fallback on all primitives.
  50  */
  51 #define SAVAGE_FALLBACK_TEXTURE        0x1
  52 #define SAVAGE_FALLBACK_DRAW_BUFFER    0x2
  53 #define SAVAGE_FALLBACK_READ_BUFFER    0x4
  54 #define SAVAGE_FALLBACK_COLORMASK      0x8
  55 #define SAVAGE_FALLBACK_SPECULAR       0x10
  56 #define SAVAGE_FALLBACK_LOGICOP        0x20
  57 /*frank 2001/11/12 add the stencil fallbak*/
  58 #define SAVAGE_FALLBACK_STENCIL        0x40
  59 #define SAVAGE_FALLBACK_RENDERMODE     0x80
  60 #define SAVAGE_FALLBACK_BLEND_EQ       0x100
  61 #define SAVAGE_FALLBACK_NORAST         0x200
  62 #define SAVAGE_FALLBACK_PROJ_TEXTURE   0x400
  63
  64
  65 #define HW_CULL    1
  66
  67 /* for savagectx.new_state - manage GL->driver state changes
  68  */
  69 #define SAVAGE_NEW_TEXTURE 0x1
  70 #define SAVAGE_NEW_CULL    0x2
  71
  72 /* What needs to be changed for the current vertex dma buffer?
  73  * This will go away!
  74  */
  75 #define SAVAGE_UPLOAD_LOCAL     0x1  /* DrawLocalCtrl (S4) or
  76                                         DrawCtrl and ZBufCtrl (S3D) */
  77 #define SAVAGE_UPLOAD_TEX0      0x2  /* texture unit 0 */
  78 #define SAVAGE_UPLOAD_TEX1      0x4  /* texture unit 1 (S4 only) */
  79 #define SAVAGE_UPLOAD_FOGTBL    0x8  /* fog table */
  80 #define SAVAGE_UPLOAD_GLOBAL    0x10 /* most global regs */
  81 #define SAVAGE_UPLOAD_TEXGLOBAL 0x20 /* TexBlendColor (S4 only) */
  82
  83 /*define the max numer of vertex in vertex buf*/
  84 #define SAVAGE_MAX_VERTEXS 0x10000
  85
  86 /* Don't make it too big. We don't want to buffer up a whole frame
  87  * that would force the application to wait later. */
  88 #define SAVAGE_CMDBUF_SIZE 1024
  89
  90 /* Use the templated vertex formats:
  91  */
  92 #define TAG(x) savage##x
  93 #include "tnl_dd/t_dd_vertex.h"
  94 #undef TAG
  95
  96 typedef void (*savage_tri_func)( savageContextPtr, savageVertex *,
  97                                  savageVertex *, savageVertex * );
  98 typedef void (*savage_line_func)( savageContextPtr,
  99                                   savageVertex *, savageVertex * );
 100 typedef void (*savage_point_func)( savageContextPtr, savageVertex * );
 101
 102
 103 /**************************************************************
 104  ****************    enums for chip IDs ************************
 105  **************************************************************/
 106
 107 #define CHIP_S3GX3MS1NB             0x8A25
 108 #define CHIP_S3GX3MS1NBK            0x8A26
 109 #define CHIP_S3TWISTER              0x8D01
 110 #define CHIP_S3TWISTERK             0x8D02
 111 #define CHIP_S3TWISTER_P4M          0x8D04
 112 #define CHIP_S3PARAMOUNT128         0x8C22              /*SuperSavage 128/MX*/
 113 #define CHIP_S3TRISTAR128SDR        0x8C2A              /*SuperSavage 128/IX*/
 114 #define CHIP_S3TRISTAR64SDRM7       0x8C2C              /*SuperSavage/IX M7 Package*/
 115 #define CHIP_S3TRISTAR64SDR         0x8C2E              /*SuperSavage/IX*/
 116 #define CHIP_S3TRISTAR64CDDR        0x8C2F              /*SuperSavage/IXC DDR*/
 117
 118 #define IS_SAVAGE(imesa) (imesa->savageScreen->deviceID == CHIP_S3GX3MS1NB ||   \
 119                         imesa->savageScreen->deviceID == CHIP_S3GX3MS1NBK || \
 120                         imesa->savageScreen->deviceID == CHIP_S3TWISTER || \
 121                         imesa->savageScreen->deviceID == CHIP_S3TWISTERK || \
 122                         imesa->savageScreen->deviceID == CHIP_S3TWISTER_P4M || \
 123                         imesa->savageScreen->deviceID == CHIP_S3PARAMOUNT128 || \
 124                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR128SDR || \
 125                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64SDRM7 || \
 126                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64SDR || \
 127                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64CDDR )
 128
 129
 130 struct savage_vtxbuf_t {
 131     GLuint total, used, flushed; /* in 32 bit units */
 132     GLuint idx;         /* for DMA buffers */
 133     u_int32_t *buf;
 134 };
 135
 136 struct savage_cmdbuf_t {
 137     GLuint size; /* size in qwords */
 138     drm_savage_cmd_header_t *base;  /* initial state starts here */
 139     drm_savage_cmd_header_t *start; /* drawing/state commands start here */
 140     drm_savage_cmd_header_t *write; /* append stuff here */
 141 };
 142
 143 struct savage_elt_t {
 144     GLuint n;                           /* number of elts currently allocated */
 145     drm_savage_cmd_header_t *cmd;       /* the indexed drawing command */
 146 };
 147
 148
 149 struct savage_context_t {
 150     GLint refcount;
 151
 152     GLcontext *glCtx;
 153
 154     int lastTexHeap;
 155     driTexHeap *textureHeaps[SAVAGE_NR_TEX_HEAPS];
 156     driTextureObject swapped;
 157
 158     driTextureObject *CurrentTexObj[2];
 159
 160     /* Hardware state
 161      */
 162
 163     savageRegisters regs, oldRegs, globalRegMask;
 164
 165     /* Manage our own state */
 166     GLuint new_state;
 167     GLuint new_gl_state;
 168     GLboolean ptexHack;
 169
 170     /* Command buffer */
 171     struct savage_cmdbuf_t cmdBuf;
 172
 173     /* Elt book-keeping */
 174     struct savage_elt_t elts;
 175     GLint firstElt;
 176
 177     /* Vertex buffers */
 178     struct savage_vtxbuf_t dmaVtxBuf, clientVtxBuf;
 179     struct savage_vtxbuf_t *vtxBuf;
 180
 181     /* aperture base */
 182     GLuint apertureBase[5];
 183     GLuint aperturePitch;
 184     /* Manage hardware state */
 185     GLuint dirty;
 186     GLboolean lostContext;
 187     GLuint bTexEn1;
 188     /* One of the few bits of hardware state that can't be calculated
 189      * completely on the fly:
 190      */
 191     GLuint LcsCullMode;
 192     GLuint texEnvColor;
 193
 194    /* Vertex state
 195     */
 196    GLuint vertex_size;
 197    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 198    GLuint vertex_attr_count;
 199    char *verts;                 /* points to tnl->clipspace.vertex_buf */
 200
 201    /* Rasterization state
 202     */
 203    GLuint SetupNewInputs;
 204    GLuint SetupIndex;
 205    GLuint RenderIndex;
 206
 207    GLuint hw_primitive;
 208    GLenum raster_primitive;
 209    GLenum render_primitive;
 210
 211    GLuint skip;
 212    GLubyte HwPrim;
 213    GLuint HwVertexSize;
 214
 215    /* Fallback rasterization functions
 216     */
 217    savage_point_func draw_point;
 218    savage_line_func draw_line;
 219    savage_tri_func draw_tri;
 220
 221     /* Funny mesa mirrors
 222      */
 223     GLuint MonoColor;
 224     GLuint ClearColor;
 225     GLfloat depth_scale;
 226     GLfloat hw_viewport[16];
 227     /* DRI stuff */
 228     GLuint bufferSize;
 229
 230     GLframebuffer *glBuffer;
 231
 232     /* Two flags to keep track of fallbacks. */
 233     GLuint Fallback;
 234
 235     GLuint needClip;
 236
 237     /* These refer to the current draw (front vs. back) buffer:
 238      */
 239     char *drawMap;              /* draw buffer address in virtual mem */
 240     char *readMap;
 241     int drawX;                  /* origin of drawable in draw buffer */
 242     int drawY;
 243     GLuint numClipRects;                /* cliprects for that buffer */
 244     GLint currentClip;
 245     drm_clip_rect_t *pClipRects;
 246
 247     /*  use this bit to support single/double buffer */
 248     GLuint IsDouble;
 249     /*  use this to indicate Fullscreen mode */
 250     GLuint IsFullScreen; /* FIXME - open/close fullscreen is gone, is this needed? */
 251     GLuint backup_frontOffset;
 252     GLuint backup_backOffset;
 253     GLuint backup_frontBitmapDesc;
 254     GLuint toggle;
 255     GLuint backup_streamFIFO;
 256     GLuint NotFirstFrame;
 257
 258     GLboolean inSwap;
 259     GLuint lastSwap;
 260     GLuint ctxAge;
 261     GLuint dirtyAge;
 262     GLuint any_contend;         /* throttle me harder */
 263
 264     /* Scissor state needs to be mirrored so buffered commands can be
 265      * emitted with the old scissor state when scissor state changes.
 266      */
 267     struct {
 268         GLboolean enabled;
 269         GLint x, y;
 270         GLsizei w, h;
 271     } scissor;
 272
 273     drm_context_t hHWContext;
 274     drm_hw_lock_t *driHwLock;
 275     GLuint driFd;
 276
 277     __DRIdrawablePrivate *driDrawable;
 278     __DRIdrawablePrivate *driReadable;
 279
 280     /**
 281      * Drawable used by Mesa for software fallbacks for reading and
 282      * writing.  It is set by Mesa's \c SetBuffer callback, and will always be
 283      * either \c mga_context_t::driDrawable or \c mga_context_t::driReadable.
 284      */
 285     __DRIdrawablePrivate *mesa_drawable;
 286
 287     __DRIscreenPrivate *driScreen;
 288     savageScreenPrivate *savageScreen;
 289     drm_savage_sarea_t *sarea;
 290
 291     GLboolean hw_stencil;
 292
 293     /* Performance counters
 294      */
 295     GLuint c_textureSwaps;
 296
 297     /* Configuration cache
 298      */
 299     driOptionCache optionCache;
 300     GLint texture_depth;
 301     GLboolean no_rast;
 302     GLboolean float_depth;
 303     GLboolean enable_fastpath;
 304     GLboolean enable_vdma;
 305     GLboolean sync_frames;
 306 };
 307
 308 #define SAVAGE_CONTEXT(ctx) ((savageContextPtr)(ctx->DriverCtx))
 309
 310 /* To remove all debugging, make sure SAVAGE_DEBUG is defined as a
 311  * preprocessor symbol, and equal to zero.
 312  */
 313 #ifndef SAVAGE_DEBUG
 314 extern int SAVAGE_DEBUG;
 315 #endif
 316
 317 #define DEBUG_FALLBACKS      0x001
 318 #define DEBUG_VERBOSE_API    0x002
 319 #define DEBUG_VERBOSE_TEX    0x004
 320 #define DEBUG_VERBOSE_MSG    0x008
 321 #define DEBUG_DMA            0x010
 322 #define DEBUG_STATE          0x020
 323
 324 #define TARGET_FRONT    0x0
 325 #define TARGET_BACK     0x1
 326 #define TARGET_DEPTH    0x2
 327
 328 #define SUBPIXEL_X -0.5
 329 #define SUBPIXEL_Y -0.375
 330
 331 #endif