src/mesa/drivers/dri/radeon/radeon_common_context.h

   1
   2 #ifndef COMMON_CONTEXT_H
   3 #define COMMON_CONTEXT_H
   4
   5 #include "main/mm.h"
   6 #include "math/m_vector.h"
   7 #include "tnl/t_context.h"
   8 #include "main/colormac.h"
   9
  10 #include "radeon_screen.h"
  11 #include "radeon_debug.h"
  12 #include "radeon_drm.h"
  13 #include "dri_util.h"
  14 #include "tnl/t_vertex.h"
  15 #include "swrast/s_context.h"
  16
  17 struct radeon_context;
  18
  19 #include "radeon_bo_gem.h"
  20 #include "radeon_cs_gem.h"
  21
  22 /* This union is used to avoid warnings/miscompilation
  23    with float to uint32_t casts due to strict-aliasing */
  24 typedef union { GLfloat f; uint32_t ui32; } float_ui32_type;
  25
  26 struct radeon_context;
  27 typedef struct radeon_context radeonContextRec;
  28 typedef struct radeon_context *radeonContextPtr;
  29
  30
  31 #define TEX_0   0x1
  32 #define TEX_1   0x2
  33 #define TEX_2   0x4
  34 #define TEX_3   0x8
  35 #define TEX_4   0x10
  36 #define TEX_5   0x20
  37
  38 /* Rasterizing fallbacks */
  39 /* See correponding strings in r200_swtcl.c */
  40 #define RADEON_FALLBACK_TEXTURE         0x0001
  41 #define RADEON_FALLBACK_DRAW_BUFFER     0x0002
  42 #define RADEON_FALLBACK_STENCIL         0x0004
  43 #define RADEON_FALLBACK_RENDER_MODE     0x0008
  44 #define RADEON_FALLBACK_BLEND_EQ        0x0010
  45 #define RADEON_FALLBACK_BLEND_FUNC      0x0020
  46 #define RADEON_FALLBACK_DISABLE         0x0040
  47 #define RADEON_FALLBACK_BORDER_MODE     0x0080
  48 #define RADEON_FALLBACK_DEPTH_BUFFER    0x0100
  49 #define RADEON_FALLBACK_STENCIL_BUFFER  0x0200
  50
  51 #define R200_FALLBACK_TEXTURE           0x01
  52 #define R200_FALLBACK_DRAW_BUFFER       0x02
  53 #define R200_FALLBACK_STENCIL           0x04
  54 #define R200_FALLBACK_RENDER_MODE       0x08
  55 #define R200_FALLBACK_DISABLE           0x10
  56 #define R200_FALLBACK_BORDER_MODE       0x20
  57
  58 #define RADEON_TCL_FALLBACK_RASTER            0x1 /* rasterization */
  59 #define RADEON_TCL_FALLBACK_UNFILLED          0x2 /* unfilled tris */
  60 #define RADEON_TCL_FALLBACK_LIGHT_TWOSIDE     0x4 /* twoside tris */
  61 #define RADEON_TCL_FALLBACK_MATERIAL          0x8 /* material in vb */
  62 #define RADEON_TCL_FALLBACK_TEXGEN_0          0x10 /* texgen, unit 0 */
  63 #define RADEON_TCL_FALLBACK_TEXGEN_1          0x20 /* texgen, unit 1 */
  64 #define RADEON_TCL_FALLBACK_TEXGEN_2          0x40 /* texgen, unit 2 */
  65 #define RADEON_TCL_FALLBACK_TCL_DISABLE       0x80 /* user disable */
  66 #define RADEON_TCL_FALLBACK_FOGCOORDSPEC      0x100 /* fogcoord, sep. spec light */
  67
  68 /* The blit width for texture uploads
  69  */
  70 #define BLIT_WIDTH_BYTES 1024
  71
  72 /* Use the templated vertex format:
  73  */
  74 #define COLOR_IS_RGBA
  75 #define TAG(x) radeon##x
  76 #include "tnl_dd/t_dd_vertex.h"
  77 #undef TAG
  78
  79 #define RADEON_RB_CLASS 0xdeadbeef
  80
  81 struct radeon_renderbuffer
  82 {
  83         struct swrast_renderbuffer base;
  84
  85         struct radeon_bo *bo;
  86         unsigned int cpp;
  87         /* unsigned int offset; */
  88         unsigned int pitch;
  89
  90         struct radeon_bo *map_bo;
  91         GLbitfield map_mode;
  92         int map_x, map_y, map_w, map_h;
  93         int map_pitch;
  94         void *map_buffer;
  95
  96         uint32_t draw_offset; /* FBO */
  97         /* boo Xorg 6.8.2 compat */
  98         int has_surface;
  99
 100         GLuint pf_pending;  /**< sequence number of pending flip */
 101         __DRIdrawable *dPriv;
 102 };
 103
 104 struct radeon_framebuffer
 105 {
 106         struct gl_framebuffer base;
 107
 108         struct radeon_renderbuffer *color_rb[2];
 109 };
 110
 111
 112 struct radeon_colorbuffer_state {
 113         int roundEnable;
 114         struct gl_renderbuffer *rb;
 115         uint32_t draw_offset; /* offset into color renderbuffer - FBOs */
 116 };
 117
 118 struct radeon_depthbuffer_state {
 119         struct gl_renderbuffer *rb;
 120 };
 121
 122 struct radeon_scissor_state {
 123         drm_clip_rect_t rect;
 124         GLboolean enabled;
 125 };
 126
 127 struct radeon_state_atom {
 128         struct radeon_state_atom *next, *prev;
 129         const char *name;       /* for debug */
 130         int cmd_size;           /* size in bytes */
 131         GLuint idx;
 132         GLuint is_tcl;
 133         GLuint *cmd;            /* one or more cmd's */
 134         GLuint *lastcmd;                /* one or more cmd's */
 135         GLboolean dirty;        /* dirty-mark in emit_state_list */
 136         int (*check) (struct gl_context *, struct radeon_state_atom *atom); /* is this state active? */
 137         void (*emit) (struct gl_context *, struct radeon_state_atom *atom);
 138 };
 139
 140 struct radeon_hw_state {
 141         /* Head of the linked list of state atoms. */
 142         struct radeon_state_atom atomlist;
 143         int max_state_size;     /* Number of bytes necessary for a full state emit. */
 144         int max_post_flush_size; /* Number of bytes necessary for post flushing emits */
 145         GLboolean is_dirty, all_dirty;
 146 };
 147
 148
 149 /* Texture related */
 150 typedef struct _radeon_texture_image radeon_texture_image;
 151
 152
 153 /**
 154  * This is a subclass of swrast_texture_image since we use swrast
 155  * for software fallback rendering.
 156  */
 157 struct _radeon_texture_image {
 158         struct swrast_texture_image base;
 159
 160         /**
 161          * If mt != 0, the image is stored in hardware format in the
 162          * given mipmap tree. In this case, base.Data may point into the
 163          * mapping of the buffer object that contains the mipmap tree.
 164          *
 165          * If mt == 0, the image is stored in normal memory pointed to
 166          * by base.Data.
 167          */
 168         struct _radeon_mipmap_tree *mt;
 169         struct radeon_bo *bo;
 170         GLboolean used_as_render_target;
 171 };
 172
 173
 174 static INLINE radeon_texture_image *get_radeon_texture_image(struct gl_texture_image *image)
 175 {
 176         return (radeon_texture_image*)image;
 177 }
 178
 179
 180 typedef struct radeon_tex_obj radeonTexObj, *radeonTexObjPtr;
 181
 182 #define RADEON_TXO_MICRO_TILE               (1 << 3)
 183
 184 /* Texture object in locally shared texture space.
 185  */
 186 struct radeon_tex_obj {
 187         struct gl_texture_object base;
 188         struct _radeon_mipmap_tree *mt;
 189
 190         /**
 191          * This is true if we've verified that the mipmap tree above is complete
 192          * and so on.
 193          */
 194         GLboolean validated;
 195         /* Minimum LOD to be used during rendering */
 196         unsigned minLod;
 197         /* Miximum LOD to be used during rendering */
 198         unsigned maxLod;
 199
 200         GLuint override_offset;
 201         GLboolean image_override; /* Image overridden by GLX_EXT_tfp */
 202         GLuint tile_bits;       /* hw texture tile bits used on this texture */
 203         struct radeon_bo *bo;
 204
 205         GLuint pp_txfilter;     /* hardware register values */
 206         GLuint pp_txformat;
 207         GLuint pp_txformat_x;
 208         GLuint pp_txsize;       /* npot only */
 209         GLuint pp_txpitch;      /* npot only */
 210         GLuint pp_border_color;
 211         GLuint pp_cubic_faces;  /* cube face 1,2,3,4 log2 sizes */
 212
 213         GLboolean border_fallback;
 214 };
 215
 216 static INLINE radeonTexObj* radeon_tex_obj(struct gl_texture_object *texObj)
 217 {
 218         return (radeonTexObj*)texObj;
 219 }
 220
 221 /* occlusion query */
 222 struct radeon_query_object {
 223         struct gl_query_object Base;
 224         struct radeon_bo *bo;
 225         int curr_offset;
 226         GLboolean emitted_begin;
 227
 228         /* Double linked list of not flushed query objects */
 229         struct radeon_query_object *prev, *next;
 230 };
 231
 232 /* Need refcounting on dma buffers:
 233  */
 234 struct radeon_dma_buffer {
 235         int refcount;           /* the number of retained regions in buf */
 236         drmBufPtr buf;
 237 };
 238
 239 struct radeon_aos {
 240         struct radeon_bo *bo; /** Buffer object where vertex data is stored */
 241         int offset; /** Offset into buffer object, in bytes */
 242         int components; /** Number of components per vertex */
 243         int stride; /** Stride in dwords (may be 0 for repeating) */
 244         int count; /** Number of vertices */
 245 };
 246
 247 #define DMA_BO_FREE_TIME 100
 248
 249 struct radeon_dma_bo {
 250   struct radeon_dma_bo *next, *prev;
 251   struct radeon_bo *bo;
 252   int expire_counter;
 253 };
 254
 255 struct radeon_dma {
 256         /* Active dma region.  Allocations for vertices and retained
 257          * regions come from here.  Also used for emitting random vertices,
 258          * these may be flushed by calling flush_current();
 259          */
 260         struct radeon_dma_bo free;
 261         struct radeon_dma_bo wait;
 262         struct radeon_dma_bo reserved;
 263         size_t current_used; /** Number of bytes allocated and forgotten about */
 264         size_t current_vertexptr; /** End of active vertex region */
 265         size_t minimum_size;
 266
 267         /**
 268          * If current_vertexptr != current_used then flush must be non-zero.
 269          * flush must be called before non-active vertex allocations can be
 270          * performed.
 271          */
 272         void (*flush) (struct gl_context *);
 273 };
 274
 275 /* radeon_swtcl.c
 276  */
 277 struct radeon_swtcl_info {
 278
 279         GLuint RenderIndex;
 280         GLuint vertex_size;
 281         GLubyte *verts;
 282
 283         /* Fallback rasterization functions
 284          */
 285         GLuint hw_primitive;
 286         GLenum render_primitive;
 287         GLuint numverts;
 288
 289         struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 290         GLuint vertex_attr_count;
 291
 292         GLuint emit_prediction;
 293         struct radeon_bo *bo;
 294 };
 295
 296 #define RADEON_MAX_AOS_ARRAYS           16
 297 struct radeon_tcl_info {
 298         struct radeon_aos aos[RADEON_MAX_AOS_ARRAYS];
 299         GLuint aos_count;
 300         struct radeon_bo *elt_dma_bo; /** Buffer object that contains element indices */
 301         int elt_dma_offset; /** Offset into this buffer object, in bytes */
 302 };
 303
 304 struct radeon_ioctl {
 305         GLuint vertex_offset;
 306         GLuint vertex_max;
 307         struct radeon_bo *bo;
 308         GLuint vertex_size;
 309 };
 310
 311 #define RADEON_MAX_PRIMS 64
 312
 313 struct radeon_prim {
 314         GLuint start;
 315         GLuint end;
 316         GLuint prim;
 317 };
 318
 319 static INLINE GLuint radeonPackColor(GLuint cpp,
 320                                      GLubyte r, GLubyte g,
 321                                      GLubyte b, GLubyte a)
 322 {
 323         switch (cpp) {
 324         case 2:
 325                 return PACK_COLOR_565(r, g, b);
 326         case 4:
 327                 return PACK_COLOR_8888(a, r, g, b);
 328         default:
 329                 return 0;
 330         }
 331 }
 332
 333 #define MAX_CMD_BUF_SZ (16*1024)
 334
 335 #define MAX_DMA_BUF_SZ (64*1024)
 336
 337 struct radeon_store {
 338         GLuint statenr;
 339         GLuint primnr;
 340         char cmd_buf[MAX_CMD_BUF_SZ];
 341         int cmd_used;
 342         int elts_start;
 343 };
 344
 345 struct radeon_dri_mirror {
 346         __DRIcontext *context;  /* DRI context */
 347         __DRIscreen *screen;    /* DRI screen */
 348
 349         drm_context_t hwContext;
 350         drm_hw_lock_t *hwLock;
 351         int hwLockCount;
 352         int fd;
 353         int drmMinor;
 354 };
 355
 356 typedef void (*radeon_tri_func) (radeonContextPtr,
 357                                  radeonVertex *,
 358                                  radeonVertex *, radeonVertex *);
 359
 360 typedef void (*radeon_line_func) (radeonContextPtr,
 361                                   radeonVertex *, radeonVertex *);
 362
 363 typedef void (*radeon_point_func) (radeonContextPtr, radeonVertex *);
 364
 365 #define RADEON_MAX_BOS 32
 366 struct radeon_state {
 367         struct radeon_colorbuffer_state color;
 368         struct radeon_depthbuffer_state depth;
 369         struct radeon_scissor_state scissor;
 370 };
 371
 372 /**
 373  * This structure holds the command buffer while it is being constructed.
 374  *
 375  * The first batch of commands in the buffer is always the state that needs
 376  * to be re-emitted when the context is lost. This batch can be skipped
 377  * otherwise.
 378  */
 379 struct radeon_cmdbuf {
 380         struct radeon_cs_manager    *csm;
 381         struct radeon_cs            *cs;
 382         int size; /** # of dwords total */
 383         unsigned int flushing:1; /** whether we're currently in FlushCmdBufLocked */
 384 };
 385
 386 struct radeon_context {
 387    struct gl_context glCtx;             /**< base class, must be first */
 388    radeonScreenPtr radeonScreen;        /* Screen private DRI data */
 389
 390    /* Texture object bookkeeping
 391     */
 392    int                   texture_depth;
 393    float                 initialMaxAnisotropy;
 394    uint32_t              texture_row_align;
 395    uint32_t              texture_rect_row_align;
 396    uint32_t              texture_compressed_row_align;
 397
 398   struct radeon_dma dma;
 399   struct radeon_hw_state hw;
 400    /* Rasterization and vertex state:
 401     */
 402    GLuint TclFallback;
 403    GLuint Fallback;
 404    GLuint NewGLState;
 405    GLbitfield64 tnl_index_bitset;       /* index of bits for last tnl_install_attrs */
 406
 407    /* Drawable information */
 408    unsigned int lastStamp;
 409
 410    /* Mirrors of some DRI state */
 411    struct radeon_dri_mirror dri;
 412
 413    /* Busy waiting */
 414    GLuint do_usleeps;
 415    GLuint do_irqs;
 416    GLuint irqsEmitted;
 417    drm_radeon_irq_wait_t iw;
 418
 419    /* Derived state - for r300 only */
 420    struct radeon_state state;
 421
 422    struct radeon_swtcl_info swtcl;
 423    struct radeon_tcl_info tcl;
 424    /* Configuration cache
 425     */
 426    driOptionCache optionCache;
 427
 428    struct radeon_cmdbuf cmdbuf;
 429
 430    struct radeon_debug debug;
 431
 432   drm_clip_rect_t fboRect;
 433   GLboolean front_cliprects;
 434
 435    /**
 436     * Set if rendering has occured to the drawable's front buffer.
 437     *
 438     * This is used in the DRI2 case to detect that glFlush should also copy
 439     * the contents of the fake front buffer to the real front buffer.
 440     */
 441    GLboolean front_buffer_dirty;
 442
 443    /**
 444     * Track whether front-buffer rendering is currently enabled
 445     *
 446     * A separate flag is used to track this in order to support MRT more
 447     * easily.
 448     */
 449    GLboolean is_front_buffer_rendering;
 450
 451    /**
 452     * Track whether front-buffer is the current read target.
 453     *
 454     * This is closely associated with is_front_buffer_rendering, but may
 455     * be set separately.  The DRI2 fake front buffer must be referenced
 456     * either way.
 457     */
 458    GLboolean is_front_buffer_reading;
 459
 460    struct {
 461         struct radeon_query_object *current;
 462         struct radeon_state_atom queryobj;
 463    } query;
 464
 465    struct {
 466            void (*swtcl_flush)(struct gl_context *ctx, uint32_t offset);
 467            void (*pre_emit_state)(radeonContextPtr rmesa);
 468            void (*fallback)(struct gl_context *ctx, GLuint bit, GLboolean mode);
 469            void (*free_context)(struct gl_context *ctx);
 470            void (*emit_query_finish)(radeonContextPtr radeon);
 471            void (*update_scissor)(struct gl_context *ctx);
 472            unsigned (*check_blit)(mesa_format mesa_format, uint32_t dst_pitch);
 473            unsigned (*blit)(struct gl_context *ctx,
 474                         struct radeon_bo *src_bo,
 475                         intptr_t src_offset,
 476                         mesa_format src_mesaformat,
 477                         unsigned src_pitch,
 478                         unsigned src_width,
 479                         unsigned src_height,
 480                         unsigned src_x_offset,
 481                         unsigned src_y_offset,
 482                         struct radeon_bo *dst_bo,
 483                         intptr_t dst_offset,
 484                         mesa_format dst_mesaformat,
 485                         unsigned dst_pitch,
 486                         unsigned dst_width,
 487                         unsigned dst_height,
 488                         unsigned dst_x_offset,
 489                         unsigned dst_y_offset,
 490                         unsigned reg_width,
 491                         unsigned reg_height,
 492                         unsigned flip_y);
 493            unsigned (*is_format_renderable)(mesa_format mesa_format);
 494            GLboolean (*revalidate_all_buffers)(struct gl_context *ctx);
 495    } vtbl;
 496 };
 497
 498 static inline radeonContextPtr RADEON_CONTEXT(struct gl_context *ctx)
 499 {
 500         return (radeonContextPtr) ctx;
 501 }
 502
 503 static inline __DRIdrawable* radeon_get_drawable(radeonContextPtr radeon)
 504 {
 505         return radeon->dri.context->driDrawablePriv;
 506 }
 507
 508 static inline __DRIdrawable* radeon_get_readable(radeonContextPtr radeon)
 509 {
 510         return radeon->dri.context->driReadablePriv;
 511 }
 512
 513 extern const char const *radeonVendorString;
 514
 515 const char *radeonGetRendererString(radeonScreenPtr radeonScreen);
 516
 517 GLboolean radeonInitContext(radeonContextPtr radeon,
 518                             gl_api api,
 519                             struct dd_function_table* functions,
 520                             const struct gl_config * glVisual,
 521                             __DRIcontext * driContextPriv,
 522                             void *sharedContextPrivate);
 523
 524 void radeonCleanupContext(radeonContextPtr radeon);
 525 GLboolean radeonUnbindContext(__DRIcontext * driContextPriv);
 526 void radeon_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable,
 527                                  GLboolean front_only);
 528 GLboolean radeonMakeCurrent(__DRIcontext * driContextPriv,
 529                             __DRIdrawable * driDrawPriv,
 530                             __DRIdrawable * driReadPriv);
 531 extern void radeonDestroyContext(__DRIcontext * driContextPriv);
 532 void radeon_prepare_render(radeonContextPtr radeon);
 533
 534 #endif