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 "dri_util.h"
  35 #include "main/mtypes.h"
  36 #include "xf86drm.h"
  37 #include "drm.h"
  38 #include "savage_drm.h"
  39 #include "savage_init.h"
  40 #include "savage_3d_reg.h"
  41 #include "main/mm.h"
  42 #include "tnl/t_vertex.h"
  43
  44 #include "texmem.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
  82 /*define the max numer of vertex in vertex buf*/
  83 #define SAVAGE_MAX_VERTEXS 0x10000
  84
  85 /* Don't make it too big. We don't want to buffer up a whole frame
  86  * that would force the application to wait later. */
  87 #define SAVAGE_CMDBUF_SIZE 1024
  88
  89 /* Use the templated vertex formats:
  90  */
  91 #define TAG(x) savage##x
  92 #include "tnl_dd/t_dd_vertex.h"
  93 #undef TAG
  94
  95 typedef void (*savage_tri_func)( savageContextPtr, savageVertex *,
  96                                  savageVertex *, savageVertex * );
  97 typedef void (*savage_line_func)( savageContextPtr,
  98                                   savageVertex *, savageVertex * );
  99 typedef void (*savage_point_func)( savageContextPtr, savageVertex * );
 100
 101
 102 /**************************************************************
 103  ****************    enums for chip IDs ************************
 104  **************************************************************/
 105
 106 #define CHIP_S3GX3MS1NB             0x8A25
 107 #define CHIP_S3GX3MS1NBK            0x8A26
 108 #define CHIP_S3TWISTER              0x8D01
 109 #define CHIP_S3TWISTERK             0x8D02
 110 #define CHIP_S3TWISTER_P4M          0x8D04
 111 #define CHIP_S3PARAMOUNT128         0x8C22              /*SuperSavage 128/MX*/
 112 #define CHIP_S3TRISTAR128SDR        0x8C2A              /*SuperSavage 128/IX*/
 113 #define CHIP_S3TRISTAR64SDRM7       0x8C2C              /*SuperSavage/IX M7 Package*/
 114 #define CHIP_S3TRISTAR64SDR         0x8C2E              /*SuperSavage/IX*/
 115 #define CHIP_S3TRISTAR64CDDR        0x8C2F              /*SuperSavage/IXC DDR*/
 116
 117 #define IS_SAVAGE(imesa) (imesa->savageScreen->deviceID == CHIP_S3GX3MS1NB ||   \
 118                         imesa->savageScreen->deviceID == CHIP_S3GX3MS1NBK || \
 119                         imesa->savageScreen->deviceID == CHIP_S3TWISTER || \
 120                         imesa->savageScreen->deviceID == CHIP_S3TWISTERK || \
 121                         imesa->savageScreen->deviceID == CHIP_S3TWISTER_P4M || \
 122                         imesa->savageScreen->deviceID == CHIP_S3PARAMOUNT128 || \
 123                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR128SDR || \
 124                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64SDRM7 || \
 125                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64SDR || \
 126                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64CDDR )
 127
 128
 129 struct savage_vtxbuf_t {
 130     GLuint total, used, flushed; /* in 32 bit units */
 131     GLuint idx;         /* for DMA buffers */
 132     uint32_t *buf;
 133 };
 134
 135 struct savage_cmdbuf_t {
 136     GLuint size; /* size in qwords */
 137     drm_savage_cmd_header_t *base;  /* initial state starts here */
 138     drm_savage_cmd_header_t *start; /* drawing/state commands start here */
 139     drm_savage_cmd_header_t *write; /* append stuff here */
 140 };
 141
 142 struct savage_elt_t {
 143     GLuint n;                           /* number of elts currently allocated */
 144     drm_savage_cmd_header_t *cmd;       /* the indexed drawing command */
 145 };
 146
 147
 148 struct savage_context_t {
 149     GLint refcount;
 150
 151     struct gl_context *glCtx;
 152
 153     int lastTexHeap;
 154     driTexHeap *textureHeaps[SAVAGE_NR_TEX_HEAPS];
 155     driTextureObject swapped;
 156
 157     driTextureObject *CurrentTexObj[2];
 158
 159     /* Hardware state
 160      */
 161
 162     savageRegisters regs, oldRegs, globalRegMask;
 163
 164     /* Manage our own state */
 165     GLuint new_state;
 166     GLuint new_gl_state;
 167     GLboolean ptexHack;
 168
 169     /* Command buffer */
 170     struct savage_cmdbuf_t cmdBuf;
 171
 172     /* Elt book-keeping */
 173     struct savage_elt_t elts;
 174     GLint firstElt;
 175
 176     /* Vertex buffers */
 177     struct savage_vtxbuf_t dmaVtxBuf, clientVtxBuf;
 178     struct savage_vtxbuf_t *vtxBuf;
 179
 180     /* aperture base */
 181     GLubyte *apertureBase[5];
 182     GLuint aperturePitch;
 183     /* Manage hardware state */
 184     GLuint dirty;
 185     GLboolean lostContext;
 186     GLuint bTexEn1;
 187     /* One of the few bits of hardware state that can't be calculated
 188      * completely on the fly:
 189      */
 190     GLuint LcsCullMode;
 191     GLuint texEnvColor;
 192
 193    /* Vertex state
 194     */
 195    GLuint vertex_size;
 196    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 197    GLuint vertex_attr_count;
 198    char *verts;                 /* points to tnl->clipspace.vertex_buf */
 199
 200    /* Rasterization state
 201     */
 202    GLuint SetupNewInputs;
 203    GLuint SetupIndex;
 204    GLuint RenderIndex;
 205
 206    GLuint hw_primitive;
 207    GLenum raster_primitive;
 208    GLenum render_primitive;
 209
 210    GLuint skip;
 211    GLubyte HwPrim;
 212    GLuint HwVertexSize;
 213
 214    /* Fallback rasterization functions
 215     */
 216    savage_point_func draw_point;
 217    savage_line_func draw_line;
 218    savage_tri_func draw_tri;
 219
 220     /* Funny mesa mirrors
 221      */
 222     GLuint MonoColor;
 223     GLuint ClearColor;
 224     GLfloat depth_scale;
 225     GLfloat hw_viewport[16];
 226     /* DRI stuff */
 227     GLuint bufferSize;
 228
 229     struct gl_framebuffer *glBuffer;
 230
 231     /* Two flags to keep track of fallbacks. */
 232     GLuint Fallback;
 233
 234     GLuint needClip;
 235
 236     /* These refer to the current draw (front vs. back) buffer:
 237      */
 238     int drawX;                  /* origin of drawable in draw buffer */
 239     int drawY;
 240     GLuint numClipRects;                /* cliprects for that buffer */
 241     GLint currentClip;
 242     drm_clip_rect_t *pClipRects;
 243
 244     /*  use this bit to support single/double buffer */
 245     GLuint IsDouble;
 246     /*  use this to indicate Fullscreen mode */
 247     GLuint IsFullScreen; /* FIXME - open/close fullscreen is gone, is this needed? */
 248     GLuint backup_frontOffset;
 249     GLuint backup_backOffset;
 250     GLuint backup_frontBitmapDesc;
 251     GLuint toggle;
 252     GLuint backup_streamFIFO;
 253     GLuint NotFirstFrame;
 254
 255     GLboolean inSwap;
 256     GLuint lastSwap;
 257     GLuint ctxAge;
 258     GLuint dirtyAge;
 259     GLuint any_contend;         /* throttle me harder */
 260
 261     /* Scissor state needs to be mirrored so buffered commands can be
 262      * emitted with the old scissor state when scissor state changes.
 263      */
 264     struct {
 265         GLboolean enabled;
 266         GLint x, y;
 267         GLsizei w, h;
 268     } scissor;
 269
 270     drm_context_t hHWContext;
 271     drm_hw_lock_t *driHwLock;
 272     GLuint driFd;
 273
 274     __DRIdrawable *driDrawable;
 275     __DRIdrawable *driReadable;
 276
 277     __DRIscreen *driScreen;
 278     savageScreenPrivate *savageScreen;
 279     drm_savage_sarea_t *sarea;
 280
 281     GLboolean hw_stencil;
 282
 283     /* Performance counters
 284      */
 285     GLuint c_textureSwaps;
 286
 287     /* Configuration cache
 288      */
 289     driOptionCache optionCache;
 290     GLint texture_depth;
 291     GLboolean no_rast;
 292     GLboolean float_depth;
 293     GLboolean enable_fastpath;
 294     GLboolean enable_vdma;
 295     GLboolean sync_frames;
 296 };
 297
 298 #define SAVAGE_CONTEXT(ctx) ((savageContextPtr)(ctx->DriverCtx))
 299
 300 /* To remove all debugging, make sure SAVAGE_DEBUG is defined as a
 301  * preprocessor symbol, and equal to zero.
 302  */
 303 #ifndef SAVAGE_DEBUG
 304 extern int SAVAGE_DEBUG;
 305 #endif
 306
 307 #define DEBUG_FALLBACKS      0x001
 308 #define DEBUG_VERBOSE_API    0x002
 309 #define DEBUG_VERBOSE_TEX    0x004
 310 #define DEBUG_VERBOSE_MSG    0x008
 311 #define DEBUG_DMA            0x010
 312 #define DEBUG_STATE          0x020
 313
 314 #define TARGET_FRONT    0x0
 315 #define TARGET_BACK     0x1
 316 #define TARGET_DEPTH    0x2
 317
 318 #define SUBPIXEL_X -0.5
 319 #define SUBPIXEL_Y -0.375
 320
 321 #endif