src/gallium/drivers/r300/r300_context.h

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22
  23 #ifndef R300_CONTEXT_H
  24 #define R300_CONTEXT_H
  25
  26 #include "draw/draw_vertex.h"
  27
  28 #include "util/u_blitter.h"
  29
  30 #include "pipe/p_context.h"
  31 #include "util/u_inlines.h"
  32 #include "util/u_transfer.h"
  33 #include "util/u_vbuf_mgr.h"
  34
  35 #include "r300_defines.h"
  36 #include "r300_screen.h"
  37 #include "r300_winsys.h"
  38
  39 struct u_upload_mgr;
  40 struct r300_context;
  41 struct r300_fragment_shader;
  42 struct r300_vertex_shader;
  43 struct r300_stencilref_context;
  44
  45 struct r300_atom {
  46     /* Name, for debugging. */
  47     const char* name;
  48     /* Opaque state. */
  49     void* state;
  50     /* Emit the state to the context. */
  51     void (*emit)(struct r300_context*, unsigned, void*);
  52     /* Upper bound on number of dwords to emit. */
  53     unsigned size;
  54     /* Whether this atom should be emitted. */
  55     boolean dirty;
  56     /* Whether this atom may be emitted with state == NULL. */
  57     boolean allow_null_state;
  58 };
  59
  60 struct r300_aa_state {
  61     struct r300_surface *dest;
  62
  63     uint32_t aa_config;
  64     uint32_t aaresolve_ctl;
  65 };
  66
  67 struct r300_blend_state {
  68     uint32_t cb[8];
  69     uint32_t cb_no_readwrite[8];
  70 };
  71
  72 struct r300_blend_color_state {
  73     uint32_t cb[3];
  74 };
  75
  76 struct r300_clip_state {
  77     struct pipe_clip_state clip;
  78
  79     uint32_t cb[29];
  80 };
  81
  82 struct r300_dsa_state {
  83     struct pipe_depth_stencil_alpha_state dsa;
  84
  85     /* This is actually a command buffer with named dwords. */
  86     uint32_t cb_begin;
  87     uint32_t alpha_function;    /* R300_FG_ALPHA_FUNC: 0x4bd4 */
  88     uint32_t cb_reg_seq;
  89     uint32_t z_buffer_control;  /* R300_ZB_CNTL: 0x4f00 */
  90     uint32_t z_stencil_control; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
  91     uint32_t stencil_ref_mask;  /* R300_ZB_STENCILREFMASK: 0x4f08 */
  92     uint32_t cb_reg;
  93     uint32_t stencil_ref_bf;    /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
  94
  95     /* The second command buffer disables zbuffer reads and writes. */
  96     uint32_t cb_no_readwrite[8];
  97
  98     /* Whether a two-sided stencil is enabled. */
  99     boolean two_sided;
 100     /* Whether a fallback should be used for a two-sided stencil ref value. */
 101     boolean two_sided_stencil_ref;
 102 };
 103
 104 struct r300_hyperz_state {
 105     int current_func; /* -1 after a clear before first op */
 106     int flush;
 107     /* This is actually a command buffer with named dwords. */
 108     uint32_t cb_flush_begin;
 109     uint32_t zb_zcache_ctlstat;     /* R300_ZB_CACHE_CNTL */
 110     uint32_t cb_begin;
 111     uint32_t zb_bw_cntl;            /* R300_ZB_BW_CNTL */
 112     uint32_t cb_reg1;
 113     uint32_t zb_depthclearvalue;    /* R300_ZB_DEPTHCLEARVALUE */
 114     uint32_t cb_reg2;
 115     uint32_t sc_hyperz;             /* R300_SC_HYPERZ */
 116     uint32_t cb_reg3;
 117     uint32_t gb_z_peq_config;       /* R300_GB_Z_PEQ_CONFIG: 0x4028 */
 118 };
 119
 120 struct r300_gpu_flush {
 121     uint32_t cb_flush_clean[6];
 122 };
 123
 124 #define RS_STATE_MAIN_SIZE 23
 125
 126 struct r300_rs_state {
 127     /* Original rasterizer state. */
 128     struct pipe_rasterizer_state rs;
 129     /* Draw-specific rasterizer state. */
 130     struct pipe_rasterizer_state rs_draw;
 131
 132     /* Command buffers. */
 133     uint32_t cb_main[RS_STATE_MAIN_SIZE];
 134     uint32_t cb_poly_offset_zb16[5];
 135     uint32_t cb_poly_offset_zb24[5];
 136
 137     /* The index to cb_main where the cull_mode register value resides. */
 138     unsigned cull_mode_index;
 139
 140     /* Whether polygon offset is enabled. */
 141     boolean polygon_offset_enable;
 142
 143     /* This is emitted in the draw function. */
 144     uint32_t color_control;         /* R300_GA_COLOR_CONTROL: 0x4278 */
 145 };
 146
 147 struct r300_rs_block {
 148     uint32_t vap_vtx_state_cntl;  /* R300_VAP_VTX_STATE_CNTL: 0x2180 */
 149     uint32_t vap_vsm_vtx_assm;    /* R300_VAP_VSM_VTX_ASSM: 0x2184 */
 150     uint32_t vap_out_vtx_fmt[2];  /* R300_VAP_OUTPUT_VTX_FMT_[0-1]: 0x2090 */
 151     uint32_t gb_enable;
 152
 153     uint32_t ip[8]; /* R300_RS_IP_[0-7], R500_RS_IP_[0-7] */
 154     uint32_t count; /* R300_RS_COUNT */
 155     uint32_t inst_count; /* R300_RS_INST_COUNT */
 156     uint32_t inst[8]; /* R300_RS_INST_[0-7] */
 157 };
 158
 159 struct r300_sampler_state {
 160     struct pipe_sampler_state state;
 161
 162     uint32_t filter0;      /* R300_TX_FILTER0: 0x4400 */
 163     uint32_t filter1;      /* R300_TX_FILTER1: 0x4440 */
 164
 165     /* Min/max LOD must be clamped to [0, last_level], thus
 166      * it's dependent on a currently bound texture */
 167     unsigned min_lod, max_lod;
 168 };
 169
 170 struct r300_texture_format_state {
 171     uint32_t format0; /* R300_TX_FORMAT0: 0x4480 */
 172     uint32_t format1; /* R300_TX_FORMAT1: 0x44c0 */
 173     uint32_t format2; /* R300_TX_FORMAT2: 0x4500 */
 174     uint32_t tile_config; /* R300_TX_OFFSET (subset thereof) */
 175 };
 176
 177 struct r300_sampler_view {
 178     struct pipe_sampler_view base;
 179
 180     /* Swizzles in the UTIL_FORMAT_SWIZZLE_* representation,
 181      * derived from base. */
 182     unsigned char swizzle[4];
 183
 184     /* Copy of r300_texture::texture_format_state with format-specific bits
 185      * added. */
 186     struct r300_texture_format_state format;
 187
 188     /* The texture cache region for this texture. */
 189     uint32_t texcache_region;
 190 };
 191
 192 struct r300_texture_sampler_state {
 193     struct r300_texture_format_state format;
 194     uint32_t filter0;      /* R300_TX_FILTER0: 0x4400 */
 195     uint32_t filter1;      /* R300_TX_FILTER1: 0x4440 */
 196     uint32_t border_color;  /* R300_TX_BORDER_COLOR: 0x45c0 */
 197 };
 198
 199 struct r300_textures_state {
 200     /* Textures. */
 201     struct r300_sampler_view *sampler_views[16];
 202     int sampler_view_count;
 203     /* Sampler states. */
 204     struct r300_sampler_state *sampler_states[16];
 205     int sampler_state_count;
 206
 207     /* This is the merge of the texture and sampler states. */
 208     unsigned count;
 209     uint32_t tx_enable;         /* R300_TX_ENABLE: 0x4101 */
 210     struct r300_texture_sampler_state regs[16];
 211 };
 212
 213 struct r300_vertex_stream_state {
 214     /* R300_VAP_PROG_STREAK_CNTL_[0-7] */
 215     uint32_t vap_prog_stream_cntl[8];
 216     /* R300_VAP_PROG_STREAK_CNTL_EXT_[0-7] */
 217     uint32_t vap_prog_stream_cntl_ext[8];
 218
 219     unsigned count;
 220 };
 221
 222 struct r300_invariant_state {
 223     uint32_t cb[22];
 224 };
 225
 226 struct r300_vap_invariant_state {
 227     uint32_t cb[9];
 228 };
 229
 230 struct r300_viewport_state {
 231     float xscale;         /* R300_VAP_VPORT_XSCALE:  0x2098 */
 232     float xoffset;        /* R300_VAP_VPORT_XOFFSET: 0x209c */
 233     float yscale;         /* R300_VAP_VPORT_YSCALE:  0x20a0 */
 234     float yoffset;        /* R300_VAP_VPORT_YOFFSET: 0x20a4 */
 235     float zscale;         /* R300_VAP_VPORT_ZSCALE:  0x20a8 */
 236     float zoffset;        /* R300_VAP_VPORT_ZOFFSET: 0x20ac */
 237     uint32_t vte_control; /* R300_VAP_VTE_CNTL:      0x20b0 */
 238 };
 239
 240 struct r300_ztop_state {
 241     uint32_t z_buffer_top;      /* R300_ZB_ZTOP: 0x4f14 */
 242 };
 243
 244 /* The next several objects are not pure Radeon state; they inherit from
 245  * various Gallium classes. */
 246
 247 struct r300_constant_buffer {
 248     /* Buffer of constants */
 249     uint32_t *ptr;
 250     /* Remapping table. */
 251     unsigned *remap_table;
 252     /* const buffer base */
 253     uint32_t buffer_base;
 254 };
 255
 256 /* Query object.
 257  *
 258  * This is not a subclass of pipe_query because pipe_query is never
 259  * actually fully defined. So, rather than have it as a member, and do
 260  * subclass-style casting, we treat pipe_query as an opaque, and just
 261  * trust that our state tracker does not ever mess up query objects.
 262  */
 263 struct r300_query {
 264     /* The kind of query. Currently only OQ is supported. */
 265     unsigned type;
 266     /* The number of pipes where query results are stored. */
 267     unsigned num_pipes;
 268     /* How many results have been written, in dwords. It's incremented
 269      * after end_query and flush. */
 270     unsigned num_results;
 271     /* if begin has been emitted */
 272     boolean begin_emitted;
 273
 274     /* The buffer where query results are stored. */
 275     struct r300_winsys_bo *buf;
 276     struct r300_winsys_cs_handle *cs_buf;
 277     /* The size of the buffer. */
 278     unsigned buffer_size;
 279     /* The domain of the buffer. */
 280     enum r300_buffer_domain domain;
 281
 282     /* Linked list members. */
 283     struct r300_query* prev;
 284     struct r300_query* next;
 285 };
 286
 287 struct r300_surface {
 288     struct pipe_surface base;
 289
 290     /* Winsys buffer backing the texture. */
 291     struct r300_winsys_bo *buf;
 292     struct r300_winsys_cs_handle *cs_buf;
 293
 294     enum r300_buffer_domain domain;
 295
 296     uint32_t offset;    /* COLOROFFSET or DEPTHOFFSET. */
 297     uint32_t pitch;     /* COLORPITCH or DEPTHPITCH. */
 298     uint32_t format;    /* US_OUT_FMT or ZB_FORMAT. */
 299
 300     /* Parameters dedicated to the CBZB clear. */
 301     uint32_t cbzb_width;            /* Aligned width. */
 302     uint32_t cbzb_height;           /* Half of the height. */
 303     uint32_t cbzb_midpoint_offset;  /* DEPTHOFFSET. */
 304     uint32_t cbzb_pitch;            /* DEPTHPITCH. */
 305     uint32_t cbzb_format;           /* ZB_FORMAT. */
 306
 307     /* Whether the CBZB clear is allowed on the surface. */
 308     boolean cbzb_allowed;
 309 };
 310
 311 struct r300_texture_desc {
 312     /* Width, height, and depth.
 313      * Most of the time, these are equal to pipe_texture::width0, height0,
 314      * and depth0. However, NPOT 3D textures must have dimensions aligned
 315      * to POT, and this is the only case when these variables differ from
 316      * pipe_texture. */
 317     unsigned width0, height0, depth0;
 318
 319     /* Buffer tiling.
 320      * Macrotiling is specified per-level because small mipmaps cannot
 321      * be macrotiled. */
 322     enum r300_buffer_tiling microtile;
 323     enum r300_buffer_tiling macrotile[R300_MAX_TEXTURE_LEVELS];
 324
 325     /* Offsets into the buffer. */
 326     unsigned offset_in_bytes[R300_MAX_TEXTURE_LEVELS];
 327
 328     /* Strides for each mip-level. */
 329     unsigned stride_in_pixels[R300_MAX_TEXTURE_LEVELS];
 330     unsigned stride_in_bytes[R300_MAX_TEXTURE_LEVELS];
 331
 332     /* Size of one zslice or face or 2D image based on the texture target. */
 333     unsigned layer_size_in_bytes[R300_MAX_TEXTURE_LEVELS];
 334
 335     /* Total size of this texture, in bytes,
 336      * derived from the texture properties. */
 337     unsigned size_in_bytes;
 338
 339     /* Total size of the buffer backing this texture, in bytes.
 340      * It must be >= size. */
 341     unsigned buffer_size_in_bytes;
 342
 343     /**
 344      * If non-zero, override the natural texture layout with
 345      * a custom stride (in bytes).
 346      *
 347      * \note Mipmapping fails for textures with a non-natural layout!
 348      *
 349      * \sa r300_texture_get_stride
 350      */
 351     unsigned stride_in_bytes_override;
 352
 353     /* Whether this texture has non-power-of-two dimensions.
 354      * It can be either a regular texture or a rectangle one. */
 355     boolean is_npot;
 356
 357     /* This flag says that hardware must use the stride for addressing
 358      * instead of the width. */
 359     boolean uses_stride_addressing;
 360
 361     /* Whether CBZB fast color clear is allowed on the miplevel. */
 362     boolean cbzb_allowed[R300_MAX_TEXTURE_LEVELS];
 363
 364     /* Zbuffer compression info for each miplevel. */
 365     boolean zcomp8x8[R300_MAX_TEXTURE_LEVELS];
 366     /* If zero, then disable compression. */
 367     unsigned zmask_dwords[R300_MAX_TEXTURE_LEVELS];
 368 };
 369
 370 struct r300_resource
 371 {
 372     struct u_vbuf_resource b;
 373
 374     /* Winsys buffer backing this resource. */
 375     struct r300_winsys_bo *buf;
 376     struct r300_winsys_cs_handle *cs_buf;
 377     enum r300_buffer_domain domain;
 378     unsigned buf_size;
 379
 380     /* Constant buffers are in user memory. */
 381     uint8_t *constant_buffer;
 382
 383     /* Texture description (addressing, layout, special features). */
 384     struct r300_texture_desc tex;
 385
 386     /* Registers carrying texture format data. */
 387     /* Only format-independent bits should be filled in. */
 388     struct r300_texture_format_state tx_format;
 389
 390     /* Where the texture starts in the buffer. */
 391     unsigned tex_offset;
 392
 393     /* HiZ memory allocations. */
 394     struct mem_block *hiz_mem[R300_MAX_TEXTURE_LEVELS];
 395     boolean hiz_in_use[R300_MAX_TEXTURE_LEVELS];
 396
 397     /* This is the level tiling flags were last time set for.
 398      * It's used to prevent redundant tiling-flags changes from happening.*/
 399     unsigned surface_level;
 400 };
 401
 402 struct r300_vertex_element_state {
 403     unsigned count;
 404     struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 405     unsigned format_size[PIPE_MAX_ATTRIBS];
 406
 407     struct u_vbuf_mgr_elements *vmgr_elements;
 408
 409     /* The size of the vertex, in dwords. */
 410     unsigned vertex_size_dwords;
 411
 412     struct r300_vertex_stream_state vertex_stream;
 413 };
 414
 415 struct r300_context {
 416     /* Parent class */
 417     struct pipe_context context;
 418
 419     /* The interface to the windowing system, etc. */
 420     struct r300_winsys_screen *rws;
 421     /* The command stream. */
 422     struct r300_winsys_cs *cs;
 423     /* Screen. */
 424     struct r300_screen *screen;
 425
 426     /* Draw module. Used mostly for SW TCL. */
 427     struct draw_context* draw;
 428     /* Vertex buffer for SW TCL. */
 429     struct pipe_resource* vbo;
 430     /* Offset and size into the SW TCL VBO. */
 431     size_t draw_vbo_offset;
 432     size_t draw_vbo_size;
 433     /* Whether the VBO must not be flushed. */
 434     boolean draw_vbo_locked;
 435     boolean draw_first_emitted;
 436
 437     /* Accelerated blit support. */
 438     struct blitter_context* blitter;
 439     /* Stencil two-sided reference value fallback. */
 440     struct r300_stencilref_context *stencilref_fallback;
 441
 442     /* The KIL opcode needs the first texture unit to be enabled
 443      * on r3xx-r4xx. In order to calm down the CS checker, we bind this
 444      * dummy texture there. */
 445     struct r300_sampler_view *texkill_sampler;
 446
 447     /* When no vertex buffer is set, this one is used instead to prevent
 448      * hardlocks. */
 449     struct pipe_resource *dummy_vb;
 450
 451     /* The currently active query. */
 452     struct r300_query *query_current;
 453     /* The saved query for blitter operations. */
 454     struct r300_query *blitter_saved_query;
 455     /* Query list. */
 456     struct r300_query query_list;
 457
 458     /* Various CSO state objects. */
 459
 460     /* Each atom is emitted in the order it appears here, which can affect
 461      * performance and stability if not handled with care. */
 462     /* GPU flush. */
 463     struct r300_atom gpu_flush;
 464     /* Anti-aliasing (MSAA) state. */
 465     struct r300_atom aa_state;
 466     /* Framebuffer state. */
 467     struct r300_atom fb_state;
 468     /* HyperZ state (various SC/ZB bits). */
 469     struct r300_atom hyperz_state;
 470     /* ZTOP state. */
 471     struct r300_atom ztop_state;
 472     /* Depth, stencil, and alpha state. */
 473     struct r300_atom dsa_state;
 474     /* Blend state. */
 475     struct r300_atom blend_state;
 476     /* Blend color state. */
 477     struct r300_atom blend_color_state;
 478     /* Scissor state. */
 479     struct r300_atom scissor_state;
 480     /* Invariant state. This must be emitted to get the engine started. */
 481     struct r300_atom invariant_state;
 482     /* Viewport state. */
 483     struct r300_atom viewport_state;
 484     /* PVS flush. */
 485     struct r300_atom pvs_flush;
 486     /* VAP invariant state. */
 487     struct r300_atom vap_invariant_state;
 488     /* Vertex stream formatting state. */
 489     struct r300_atom vertex_stream_state;
 490     /* Vertex shader. */
 491     struct r300_atom vs_state;
 492     /* User clip planes. */
 493     struct r300_atom clip_state;
 494     /* RS block state + VAP (vertex shader) output mapping state. */
 495     struct r300_atom rs_block_state;
 496     /* Rasterizer state. */
 497     struct r300_atom rs_state;
 498     /* Framebuffer state (pipelined regs). */
 499     struct r300_atom fb_state_pipelined;
 500     /* Fragment shader. */
 501     struct r300_atom fs;
 502     /* Fragment shader RC_CONSTANT_STATE variables. */
 503     struct r300_atom fs_rc_constant_state;
 504     /* Fragment shader constant buffer. */
 505     struct r300_atom fs_constants;
 506     /* Vertex shader constant buffer. */
 507     struct r300_atom vs_constants;
 508     /* Texture cache invalidate. */
 509     struct r300_atom texture_cache_inval;
 510     /* Textures state. */
 511     struct r300_atom textures_state;
 512     /* HiZ clear */
 513     struct r300_atom hiz_clear;
 514     /* zmask clear */
 515     struct r300_atom zmask_clear;
 516     /* Occlusion query. */
 517     struct r300_atom query_start;
 518
 519     /* The pointers to the first and the last atom. */
 520     struct r300_atom *first_dirty, *last_dirty;
 521
 522     /* Vertex elements for Gallium. */
 523     struct r300_vertex_element_state *velems;
 524
 525     struct pipe_index_buffer index_buffer;
 526
 527     /* Vertex info for Draw. */
 528     struct vertex_info vertex_info;
 529
 530     struct pipe_stencil_ref stencil_ref;
 531     struct pipe_viewport_state viewport;
 532
 533     /* Stream locations for SWTCL. */
 534     int stream_loc_notcl[16];
 535
 536     /* Flag indicating whether or not the HW is dirty. */
 537     uint32_t dirty_hw;
 538     /* Whether polygon offset is enabled. */
 539     boolean polygon_offset_enabled;
 540     /* Z buffer bit depth. */
 541     uint32_t zbuffer_bpp;
 542     /* Whether rendering is conditional and should be skipped. */
 543     boolean skip_rendering;
 544     /* Point sprites texcoord index,  1 bit per texcoord */
 545     int sprite_coord_enable;
 546     /* Whether two-sided color selection is enabled (AKA light_twoside). */
 547     boolean two_sided_color;
 548
 549     boolean cbzb_clear;
 550     /* Whether ZMASK is enabled. */
 551     boolean zmask_in_use;
 552     /* Whether ZMASK is being decompressed. */
 553     boolean zmask_decompress;
 554     /* Whether ZMASK is locked, i.e. should be disabled and cannot be taken over. */
 555     boolean zmask_locked;
 556     /* The zbuffer the ZMASK of which is locked. */
 557     struct pipe_surface *locked_zbuffer;
 558
 559     void *dsa_decompress_zmask;
 560
 561     /* two mem block managers for hiz/zmask ram space */
 562     struct mem_block *hiz_mm;
 563
 564     struct u_vbuf_mgr *vbuf_mgr;
 565
 566     struct util_slab_mempool pool_transfers;
 567
 568     /* Stat counter. */
 569     uint64_t flush_counter;
 570
 571     /* const tracking for VS */
 572     int vs_const_base;
 573
 574     /* Vertex array state info */
 575     boolean vertex_arrays_dirty;
 576     boolean vertex_arrays_indexed;
 577     int vertex_arrays_offset;
 578 };
 579
 580 #define foreach_atom(r300, atom) \
 581     for (atom = &r300->gpu_flush; atom != (&r300->query_start)+1; atom++)
 582
 583 #define foreach_dirty_atom(r300, atom) \
 584     for (atom = r300->first_dirty; atom != r300->last_dirty; atom++)
 585
 586 /* Convenience cast wrappers. */
 587 static INLINE struct r300_query* r300_query(struct pipe_query* q)
 588 {
 589     return (struct r300_query*)q;
 590 }
 591
 592 static INLINE struct r300_surface* r300_surface(struct pipe_surface* surf)
 593 {
 594     return (struct r300_surface*)surf;
 595 }
 596
 597 static INLINE struct r300_resource* r300_resource(struct pipe_resource* tex)
 598 {
 599     return (struct r300_resource*)tex;
 600 }
 601
 602 static INLINE struct r300_context* r300_context(struct pipe_context* context)
 603 {
 604     return (struct r300_context*)context;
 605 }
 606
 607 static INLINE struct r300_fragment_shader *r300_fs(struct r300_context *r300)
 608 {
 609     return (struct r300_fragment_shader*)r300->fs.state;
 610 }
 611
 612 static INLINE void r300_mark_atom_dirty(struct r300_context *r300,
 613                                         struct r300_atom *atom)
 614 {
 615     atom->dirty = TRUE;
 616
 617     if (!r300->first_dirty) {
 618         r300->first_dirty = atom;
 619         r300->last_dirty = atom+1;
 620     } else {
 621         if (atom < r300->first_dirty)
 622             r300->first_dirty = atom;
 623         else if (atom+1 > r300->last_dirty)
 624             r300->last_dirty = atom+1;
 625     }
 626 }
 627
 628 struct pipe_context* r300_create_context(struct pipe_screen* screen,
 629                                          void *priv);
 630
 631 void r300_flush_cb(void *data);
 632
 633 /* Context initialization. */
 634 struct draw_stage* r300_draw_stage(struct r300_context* r300);
 635 void r300_init_blit_functions(struct r300_context *r300);
 636 void r300_init_flush_functions(struct r300_context* r300);
 637 void r300_init_query_functions(struct r300_context* r300);
 638 void r300_init_render_functions(struct r300_context *r300);
 639 void r300_init_state_functions(struct r300_context* r300);
 640 void r300_init_resource_functions(struct r300_context* r300);
 641
 642 /* r300_blit.c */
 643 void r300_decompress_zmask(struct r300_context *r300);
 644 void r300_decompress_zmask_locked_unsafe(struct r300_context *r300);
 645 void r300_decompress_zmask_locked(struct r300_context *r300);
 646
 647 /* r300_query.c */
 648 void r300_resume_query(struct r300_context *r300,
 649                        struct r300_query *query);
 650 void r300_stop_query(struct r300_context *r300);
 651
 652 /* r300_render_translate.c */
 653 void r300_translate_index_buffer(struct r300_context *r300,
 654                                  struct pipe_resource **index_buffer,
 655                                  unsigned *index_size, unsigned index_offset,
 656                                  unsigned *start, unsigned count);
 657
 658 /* r300_render_stencilref.c */
 659 void r300_plug_in_stencil_ref_fallback(struct r300_context *r300);
 660
 661 /* r300_render.c */
 662 void r300_draw_flush_vbuf(struct r300_context *r300);
 663 void r500_emit_index_bias(struct r300_context *r300, int index_bias);
 664
 665 /* r300_state.c */
 666 enum r300_fb_state_change {
 667     R300_CHANGED_FB_STATE = 0,
 668     R300_CHANGED_HYPERZ_FLAG,
 669     R300_CHANGED_MULTIWRITE
 670 };
 671
 672 void r300_mark_fb_state_dirty(struct r300_context *r300,
 673                               enum r300_fb_state_change change);
 674 void r300_mark_fs_code_dirty(struct r300_context *r300);
 675
 676 /* r300_state_derived.c */
 677 void r300_update_derived_state(struct r300_context* r300);
 678
 679 /* r300_debug.c */
 680 void r500_dump_rs_block(struct r300_rs_block *rs);
 681
 682
 683 static INLINE boolean CTX_DBG_ON(struct r300_context * ctx, unsigned flags)
 684 {
 685     return SCREEN_DBG_ON(ctx->screen, flags);
 686 }
 687
 688 static INLINE void CTX_DBG(struct r300_context * ctx, unsigned flags,
 689                        const char * fmt, ...)
 690 {
 691     if (CTX_DBG_ON(ctx, flags)) {
 692         va_list va;
 693         va_start(va, fmt);
 694         vfprintf(stderr, fmt, va);
 695         va_end(va);
 696     }
 697 }
 698
 699 #define DBG_ON  CTX_DBG_ON
 700 #define DBG     CTX_DBG
 701
 702 #endif /* R300_CONTEXT_H */