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_sarea.h"
  41 #include "savage_init.h"
  42 #include "mm.h"
  43 #include "tnl/t_vertex.h"
  44
  45 #include "savagetex.h"
  46 #include "savagedma.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_STIPPLE        0x10
  55 #define SAVAGE_FALLBACK_SPECULAR       0x20
  56 #define SAVAGE_FALLBACK_LOGICOP        0x40
  57 /*frank 2001/11/12 add the stencil fallbak*/
  58 #define SAVAGE_FALLBACK_STENCIL        0x80
  59 #define SAVAGE_FALLBACK_RENDERMODE     0x100
  60 #define SAVAGE_FALLBACK_BLEND_EQ       0x200
  61
  62
  63 #define HW_STENCIL 1
  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
  72 /*define the max numer of vertex in vertex buf*/
  73 #define SAVAGE_MAX_VERTEXS 0x10000
  74
  75 /* Use the templated vertex formats:
  76  */
  77 #define TAG(x) savage##x
  78 #include "tnl_dd/t_dd_vertex.h"
  79 #undef TAG
  80
  81 typedef void (*savage_tri_func)( savageContextPtr, savageVertex *,
  82                                  savageVertex *, savageVertex * );
  83 typedef void (*savage_line_func)( savageContextPtr,
  84                                   savageVertex *, savageVertex * );
  85 typedef void (*savage_point_func)( savageContextPtr, savageVertex * );
  86
  87
  88 /**************************************************************
  89  ****************    enums for chip IDs ************************
  90  **************************************************************/
  91
  92 #define CHIP_S3GX3MS1NB             0x8A25
  93 #define CHIP_S3GX3MS1NBK            0x8A26
  94 #define CHIP_S3TWISTER              0x8D01
  95 #define CHIP_S3TWISTERK             0x8D02
  96 #define CHIP_S3TWISTER_P4M          0x8D04
  97 #define CHIP_S3PARAMOUNT128         0x8C22              /*SuperSavage 128/MX*/
  98 #define CHIP_S3TRISTAR128SDR        0x8C2A              /*SuperSavage 128/IX*/
  99 #define CHIP_S3TRISTAR64SDRM7       0x8C2C              /*SuperSavage/IX M7 Package*/
 100 #define CHIP_S3TRISTAR64SDR         0x8C2E              /*SuperSavage/IX*/
 101 #define CHIP_S3TRISTAR64CDDR        0x8C2F              /*SuperSavage/IXC DDR*/
 102
 103 #define IS_SAVAGE(imesa) (imesa->savageScreen->deviceID == CHIP_S3GX3MS1NB ||   \
 104                         imesa->savageScreen->deviceID == CHIP_S3GX3MS1NBK || \
 105                         imesa->savageScreen->deviceID == CHIP_S3TWISTER || \
 106                         imesa->savageScreen->deviceID == CHIP_S3TWISTERK || \
 107                         imesa->savageScreen->deviceID == CHIP_S3TWISTER_P4M || \
 108                         imesa->savageScreen->deviceID == CHIP_S3PARAMOUNT128 || \
 109                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR128SDR || \
 110                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64SDRM7 || \
 111                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64SDR || \
 112                         imesa->savageScreen->deviceID == CHIP_S3TRISTAR64CDDR )
 113
 114
 115
 116
 117 struct savage_context_t {
 118     GLint refcount;
 119
 120     GLcontext *glCtx;
 121
 122     int lastTexHeap;
 123     savageTextureObjectPtr CurrentTexObj[2];
 124
 125     struct savage_texture_object_t TexObjList[SAVAGE_NR_TEX_HEAPS];
 126     struct savage_texture_object_t SwappedOut;
 127
 128     GLuint c_texupload;
 129     GLuint c_texusage;
 130     GLuint tex_thrash;
 131
 132     GLuint TextureMode;
 133
 134
 135     /* Hardware state
 136      */
 137
 138     savageRegisters regs, oldRegs, globalRegMask;
 139
 140     /* Manage our own state */
 141     GLuint new_state;
 142     GLuint new_gl_state;
 143
 144     GLuint BCIBase;
 145     GLuint MMIO_BASE;
 146
 147     /* DMA command buffer */
 148     DMABuffer_t DMABuf;
 149
 150     /* aperture base */
 151     GLuint apertureBase[5];
 152     GLuint aperturePitch;
 153     /* Manage hardware state */
 154     GLuint dirty;
 155     GLboolean lostContext;
 156     memHeap_t *texHeap[SAVAGE_NR_TEX_HEAPS];
 157     GLuint bTexEn1;
 158     /* One of the few bits of hardware state that can't be calculated
 159      * completely on the fly:
 160      */
 161     GLuint LcsCullMode;
 162
 163    /* Vertex state
 164     */
 165    GLuint vertex_size;
 166    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 167    GLuint vertex_attr_count;
 168    char *verts;                 /* points to tnl->clipspace.vertex_buf */
 169
 170    /* Rasterization state
 171     */
 172    GLuint SetupNewInputs;
 173    GLuint SetupIndex;
 174    GLuint RenderIndex;
 175
 176    GLuint hw_primitive;
 177    GLenum raster_primitive;
 178    GLenum render_primitive;
 179
 180    GLuint DrawPrimitiveCmd;
 181
 182    /* Fallback rasterization functions
 183     */
 184    savage_point_func draw_point;
 185    savage_line_func draw_line;
 186    savage_tri_func draw_tri;
 187
 188     /* Funny mesa mirrors
 189      */
 190     GLuint MonoColor;
 191     GLuint ClearColor;
 192     GLfloat depth_scale;
 193     GLfloat hw_viewport[16];
 194     /* DRI stuff */
 195     drmBufPtr  vertex_dma_buffer;
 196
 197     GLframebuffer *glBuffer;
 198
 199     /* Two flags to keep track of fallbacks. */
 200     GLuint Fallback;
 201
 202     GLuint needClip;
 203
 204     /* These refer to the current draw (front vs. back) buffer:
 205      */
 206     char *drawMap;              /* draw buffer address in virtual mem */
 207     char *readMap;
 208     int drawX;                  /* origin of drawable in draw buffer */
 209     int drawY;
 210     GLuint numClipRects;                /* cliprects for that buffer */
 211     GLint currentClip;
 212     drm_clip_rect_t *pClipRects;
 213
 214     /*  use this bit to support single/double buffer */
 215     GLuint IsDouble;
 216     /*  use this to indicate Fullscreen mode */
 217     GLuint IsFullScreen;
 218     GLuint backup_frontOffset;
 219     GLuint backup_backOffset;
 220     GLuint backup_frontBitmapDesc;
 221     GLuint toggle;
 222     GLuint backup_streamFIFO;
 223     GLuint NotFirstFrame;
 224
 225     GLuint lastSwap;
 226     GLuint secondLastSwap;
 227     GLuint ctxAge;
 228     GLuint dirtyAge;
 229     GLuint any_contend;         /* throttle me harder */
 230
 231     GLuint scissor;
 232     GLboolean scissorChanged;
 233     drm_clip_rect_t draw_rect;
 234     drm_clip_rect_t scissor_rect;
 235     drm_clip_rect_t tmp_boxes[2][SAVAGE_NR_SAREA_CLIPRECTS];
 236     /*Texture aging and DMA based aging*/
 237     unsigned int texAge[SAVAGE_NR_TEX_HEAPS];
 238
 239     drmContext hHWContext;
 240     drmLock *driHwLock;
 241     GLuint driFd;
 242
 243     __DRIdrawablePrivate *driDrawable;
 244     __DRIdrawablePrivate *driReadable;
 245
 246     /**
 247      * Drawable used by Mesa for software fallbacks for reading and
 248      * writing.  It is set by Mesa's \c SetBuffer callback, and will always be
 249      * either \c mga_context_t::driDrawable or \c mga_context_t::driReadable.
 250      */
 251     __DRIdrawablePrivate *mesa_drawable;
 252
 253     __DRIscreenPrivate *driScreen;
 254     savageScreenPrivate *savageScreen;
 255     drm_savage_sarea_t *sarea;
 256
 257     GLboolean hw_stencil;
 258
 259     /*shadow pointer*/
 260     volatile GLuint  *shadowPointer;
 261     volatile GLuint *eventTag1;
 262     GLuint shadowCounter;
 263     GLboolean shadowStatus;
 264 };
 265
 266 #define SAVAGE_CONTEXT(ctx) ((savageContextPtr)(ctx->DriverCtx))
 267
 268 /* To remove all debugging, make sure SAVAGE_DEBUG is defined as a
 269  * preprocessor symbol, and equal to zero.
 270  */
 271 #define SAVAGE_DEBUG 0
 272 #ifndef SAVAGE_DEBUG
 273 #warning "Debugging enabled - expect reduced performance"
 274 extern int SAVAGE_DEBUG;
 275 #endif
 276
 277 #define DEBUG_VERBOSE_2D     0x1
 278 #define DEBUG_VERBOSE_RING   0x8
 279 #define DEBUG_VERBOSE_OUTREG 0x10
 280 #define DEBUG_ALWAYS_SYNC    0x40
 281 #define DEBUG_VERBOSE_MSG    0x80
 282 #define DEBUG_NO_OUTRING     0x100
 283 #define DEBUG_NO_OUTREG      0x200
 284 #define DEBUG_VERBOSE_API    0x400
 285 #define DEBUG_VALIDATE_RING  0x800
 286 #define DEBUG_VERBOSE_LRU    0x1000
 287 #define DEBUG_VERBOSE_DRI    0x2000
 288 #define DEBUG_VERBOSE_IOCTL  0x4000
 289
 290 #define TARGET_FRONT    0x0
 291 #define TARGET_BACK     0x1
 292 #define TARGET_DEPTH    0x2
 293
 294 #define SAVAGEDEBUG 0
 295 #define _SAVAGE_DEBUG
 296 /*frank remove the least debug information*/
 297 #ifdef _SAVAGE_DEBUG
 298 #define fprintf fprintf
 299 #else
 300 #define fprintf(...)
 301 #endif
 302
 303 #define SUBPIXEL_X -0.5
 304 #define SUBPIXEL_Y -0.375
 305
 306 #endif