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 "mm.h"
  42 #include "tnl/t_vertex.h"
  43
  44 #include "savagetex.h"
  45
  46 #include "xmlconfig.h"
  47
  48 /* Reasons to fallback on all primitives.
  49  */
  50 #define SAVAGE_FALLBACK_TEXTURE        0x1
  51 #define SAVAGE_FALLBACK_DRAW_BUFFER    0x2
  52 #define SAVAGE_FALLBACK_READ_BUFFER    0x4
  53 #define SAVAGE_FALLBACK_COLORMASK      0x8
  54 #define SAVAGE_FALLBACK_SPECULAR       0x10
  55 #define SAVAGE_FALLBACK_LOGICOP        0x20
  56 /*frank 2001/11/12 add the stencil fallbak*/
  57 #define SAVAGE_FALLBACK_STENCIL        0x40
  58 #define SAVAGE_FALLBACK_RENDERMODE     0x80
  59 #define SAVAGE_FALLBACK_BLEND_EQ       0x100
  60 #define SAVAGE_FALLBACK_NORAST         0x200
  61 #define SAVAGE_FALLBACK_PROJ_TEXTURE   0x400
  62
  63
  64 #define HW_CULL    1
  65
  66 /* for savagectx.new_state - manage GL->driver state changes
  67  */
  68 #define SAVAGE_NEW_TEXTURE 0x1
  69 #define SAVAGE_NEW_CULL    0x2
  70
  71 /* What needs to be changed for the current vertex dma buffer?
  72  * This will go away!
  73  */
  74 #define SAVAGE_UPLOAD_LOCAL     0x1  /* DrawLocalCtrl (S4) or
  75                                         DrawCtrl and ZBufCtrl (S3D) */
  76 #define SAVAGE_UPLOAD_TEX0      0x2  /* texture unit 0 */
  77 #define SAVAGE_UPLOAD_TEX1      0x4  /* texture unit 1 (S4 only) */
  78 #define SAVAGE_UPLOAD_FOGTBL    0x8  /* fog table */
  79 #define SAVAGE_UPLOAD_GLOBAL    0x10 /* most global regs */
  80 #define SAVAGE_UPLOAD_TEXGLOBAL 0x20 /* TexBlendColor (S4 only) */
  81 #define SAVAGE_UPLOAD_CLIPRECTS 0x1000 /* FIXME: get rid of this */
  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 #define SAVAGE_MAX_VERTS_PENDING 1024
  90
  91 /* Use the templated vertex formats:
  92  */
  93 #define TAG(x) savage##x
  94 #include "tnl_dd/t_dd_vertex.h"
  95 #undef TAG
  96
  97 typedef void (*savage_tri_func)( savageContextPtr, savageVertex *,
  98                                  savageVertex *, savageVertex * );
  99 typedef void (*savage_line_func)( savageContextPtr,
 100                                   savageVertex *, savageVertex * );
 101 typedef void (*savage_point_func)( savageContextPtr, savageVertex * );
 102
 103
 104 /**************************************************************
 105  ****************    enums for chip IDs ************************
 106  **************************************************************/
 107
 108 #define CHIP_S3GX3MS1NB             0x8A25
 109 #define CHIP_S3GX3MS1NBK            0x8A26
 110 #define CHIP_S3TWISTER              0x8D01
 111 #define CHIP_S3TWISTERK             0x8D02
 112 #define CHIP_S3TWISTER_P4M          0x8D04
 113 #define CHIP_S3PARAMOUNT128         0x8C22              /*SuperSavage 128/MX*/
 114 #define CHIP_S3TRISTAR128SDR        0x8C2A              /*SuperSavage 128/IX*/
 115 #define CHIP_S3TRISTAR64SDRM7       0x8C2C              /*SuperSavage/IX M7 Package*/
 116 #define CHIP_S3TRISTAR64SDR         0x8C2E              /*SuperSavage/IX*/
 117 #define CHIP_S3TRISTAR64CDDR        0x8C2F              /*SuperSavage/IXC DDR*/
 118
 119 #define IS_SAVAGE(imesa) (imesa->savageScreen->deviceID == CHIP_S3GX3MS1NB ||   \
 120                         imesa->savageScreen->deviceID == CHIP_S3GX3MS1NBK || \
 121                         imesa->savageScreen->deviceID == CHIP_S3TWISTER || \
 122                         imesa->savageScreen->deviceID == CHIP_S3TWISTERK || \
 123                         imesa->savageScreen->deviceID == CHIP_S3TWISTER_P4M || \
 124                         imesa->savageScreen->deviceID == CHIP_S3PARAMOUNT128 || \
 125                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR128SDR || \
 126                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64SDRM7 || \
 127                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64SDR || \
 128                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64CDDR )
 129
 130
 131 struct savage_vtxbuf_t {
 132     GLuint total, used, flushed; /* in 32 bit units */
 133     GLuint idx;         /* for DMA buffers */
 134     u_int32_t *buf;
 135 };
 136
 137 struct savage_cmdbuf_t {
 138     GLuint size; /* size in qwords */
 139     drm_savage_cmd_header_t *base;  /* initial state starts here */
 140     drm_savage_cmd_header_t *start; /* drawing/state commands start here */
 141     drm_savage_cmd_header_t *write; /* append stuff here */
 142 };
 143
 144 struct savage_elt_t {
 145     GLuint n;                           /* number of elts currently allocated */
 146     drm_savage_cmd_header_t *cmd;       /* the indexed drawing command */
 147 };
 148
 149
 150 struct savage_context_t {
 151     GLint refcount;
 152
 153     GLcontext *glCtx;
 154
 155     int lastTexHeap;
 156     savageTextureObjectPtr CurrentTexObj[2];
 157
 158     struct savage_texture_object_t TexObjList[SAVAGE_NR_TEX_HEAPS];
 159     struct savage_texture_object_t SwappedOut;
 160
 161     GLuint c_texupload;
 162     GLuint c_texusage;
 163     GLuint tex_thrash;
 164
 165     GLuint TextureMode;
 166
 167
 168     /* Hardware state
 169      */
 170
 171     savageRegisters regs, oldRegs, globalRegMask;
 172
 173     /* Manage our own state */
 174     GLuint new_state;
 175     GLuint new_gl_state;
 176     GLboolean ptexHack;
 177
 178     /* Command buffer */
 179     struct savage_cmdbuf_t cmdBuf;
 180
 181     /* Elt book-keeping */
 182     struct savage_elt_t elts;
 183     GLint firstElt;
 184
 185     /* Vertex buffers */
 186     struct savage_vtxbuf_t dmaVtxBuf, clientVtxBuf;
 187     struct savage_vtxbuf_t *vtxBuf;
 188
 189     /* aperture base */
 190     GLuint apertureBase[5];
 191     GLuint aperturePitch;
 192     /* Manage hardware state */
 193     GLuint dirty;
 194     GLboolean lostContext;
 195     memHeap_t *texHeap[SAVAGE_NR_TEX_HEAPS];
 196     GLuint bTexEn1;
 197     /* One of the few bits of hardware state that can't be calculated
 198      * completely on the fly:
 199      */
 200     GLuint LcsCullMode;
 201
 202    /* Vertex state
 203     */
 204    GLuint vertex_size;
 205    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 206    GLuint vertex_attr_count;
 207    char *verts;                 /* points to tnl->clipspace.vertex_buf */
 208
 209    /* Rasterization state
 210     */
 211    GLuint SetupNewInputs;
 212    GLuint SetupIndex;
 213    GLuint RenderIndex;
 214
 215    GLuint hw_primitive;
 216    GLenum raster_primitive;
 217    GLenum render_primitive;
 218
 219    GLuint skip;
 220    GLubyte HwPrim;
 221    GLuint HwVertexSize;
 222
 223    /* Fallback rasterization functions
 224     */
 225    savage_point_func draw_point;
 226    savage_line_func draw_line;
 227    savage_tri_func draw_tri;
 228
 229     /* Funny mesa mirrors
 230      */
 231     GLuint MonoColor;
 232     GLuint ClearColor;
 233     GLfloat depth_scale;
 234     GLfloat hw_viewport[16];
 235     /* DRI stuff */
 236     GLuint bufferSize;
 237     GLuint vertsPending;
 238
 239     GLframebuffer *glBuffer;
 240
 241     /* Two flags to keep track of fallbacks. */
 242     GLuint Fallback;
 243
 244     GLuint needClip;
 245
 246     /* These refer to the current draw (front vs. back) buffer:
 247      */
 248     char *drawMap;              /* draw buffer address in virtual mem */
 249     char *readMap;
 250     int drawX;                  /* origin of drawable in draw buffer */
 251     int drawY;
 252     GLuint numClipRects;                /* cliprects for that buffer */
 253     GLint currentClip;
 254     drm_clip_rect_t *pClipRects;
 255
 256     /*  use this bit to support single/double buffer */
 257     GLuint IsDouble;
 258     /*  use this to indicate Fullscreen mode */
 259     GLuint IsFullScreen; /* FIXME - open/close fullscreen is gone, is this needed? */
 260     GLuint backup_frontOffset;
 261     GLuint backup_backOffset;
 262     GLuint backup_frontBitmapDesc;
 263     GLuint toggle;
 264     GLuint backup_streamFIFO;
 265     GLuint NotFirstFrame;
 266
 267     GLboolean inSwap;
 268     GLuint lastSwap;
 269     GLuint ctxAge;
 270     GLuint dirtyAge;
 271     GLuint any_contend;         /* throttle me harder */
 272
 273     GLuint scissor;
 274     GLboolean scissorChanged;
 275     drm_clip_rect_t draw_rect;
 276     drm_clip_rect_t scissor_rect;
 277
 278     /*Texture aging and DMA based aging*/
 279     unsigned int texAge[SAVAGE_NR_TEX_HEAPS];
 280
 281     drm_context_t hHWContext;
 282     drm_hw_lock_t *driHwLock;
 283     GLuint driFd;
 284
 285     __DRIdrawablePrivate *driDrawable;
 286     __DRIdrawablePrivate *driReadable;
 287
 288     /**
 289      * Drawable used by Mesa for software fallbacks for reading and
 290      * writing.  It is set by Mesa's \c SetBuffer callback, and will always be
 291      * either \c mga_context_t::driDrawable or \c mga_context_t::driReadable.
 292      */
 293     __DRIdrawablePrivate *mesa_drawable;
 294
 295     __DRIscreenPrivate *driScreen;
 296     savageScreenPrivate *savageScreen;
 297     drm_savage_sarea_t *sarea;
 298
 299     GLboolean hw_stencil;
 300
 301     /* Configuration cache
 302      */
 303     driOptionCache optionCache;
 304     GLint texture_depth;
 305     GLboolean no_rast;
 306     GLboolean float_depth;
 307 };
 308
 309 #define SAVAGE_CONTEXT(ctx) ((savageContextPtr)(ctx->DriverCtx))
 310
 311 /* To remove all debugging, make sure SAVAGE_DEBUG is defined as a
 312  * preprocessor symbol, and equal to zero.
 313  */
 314 #ifndef SAVAGE_DEBUG
 315 extern int SAVAGE_DEBUG;
 316 #endif
 317
 318 #define DEBUG_FALLBACKS      0x001
 319 #define DEBUG_VERBOSE_API    0x002
 320 #define DEBUG_VERBOSE_LRU    0x004
 321 #define DEBUG_VERBOSE_MSG    0x008
 322 #define DEBUG_DMA            0x010
 323 #define DEBUG_STATE          0x020
 324
 325 #define TARGET_FRONT    0x0
 326 #define TARGET_BACK     0x1
 327 #define TARGET_DEPTH    0x2
 328
 329 #define SUBPIXEL_X -0.5
 330 #define SUBPIXEL_Y -0.375
 331
 332 #endif