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
  34 #include "translate/translate_cache.h"
  35
  36 #include "r300_defines.h"
  37 #include "r300_screen.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     /* List pointers. */
  47     struct r300_atom *prev, *next;
  48     /* Name, for debugging. */
  49     const char* name;
  50     /* Stat counter. */
  51     uint64_t counter;
  52     /* Opaque state. */
  53     void* state;
  54     /* Emit the state to the context. */
  55     void (*emit)(struct r300_context*, unsigned, void*);
  56     /* Upper bound on number of dwords to emit. */
  57     unsigned size;
  58     /* Whether this atom should be emitted. */
  59     boolean dirty;
  60     /* Whether this atom may be emitted with state == NULL. */
  61     boolean allow_null_state;
  62 };
  63
  64 struct r300_aa_state {
  65     struct r300_surface *dest;
  66
  67     uint32_t aa_config;
  68     uint32_t aaresolve_ctl;
  69 };
  70
  71 struct r300_blend_state {
  72     uint32_t cb[8];
  73     uint32_t cb_no_readwrite[8];
  74 };
  75
  76 struct r300_blend_color_state {
  77     uint32_t cb[3];
  78 };
  79
  80 struct r300_clip_state {
  81     struct pipe_clip_state clip;
  82
  83     uint32_t cb[29];
  84 };
  85
  86 struct r300_dsa_state {
  87     struct pipe_depth_stencil_alpha_state dsa;
  88
  89     /* This is actually a command buffer with named dwords. */
  90     uint32_t cb_begin;
  91     uint32_t alpha_function;    /* R300_FG_ALPHA_FUNC: 0x4bd4 */
  92     uint32_t cb_reg_seq;
  93     uint32_t z_buffer_control;  /* R300_ZB_CNTL: 0x4f00 */
  94     uint32_t z_stencil_control; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
  95     uint32_t stencil_ref_mask;  /* R300_ZB_STENCILREFMASK: 0x4f08 */
  96     uint32_t cb_reg;
  97     uint32_t stencil_ref_bf;    /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
  98
  99     /* The second command buffer disables zbuffer reads and writes. */
 100     uint32_t cb_no_readwrite[8];
 101
 102     /* Whether a two-sided stencil is enabled. */
 103     boolean two_sided;
 104     /* Whether a fallback should be used for a two-sided stencil ref value. */
 105     boolean two_sided_stencil_ref;
 106 };
 107
 108 struct r300_hyperz_state {
 109     /* This is actually a command buffer with named dwords. */
 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 };
 117
 118 struct r300_gpu_flush {
 119     uint32_t cb_flush_clean[6];
 120 };
 121
 122 struct r300_rs_state {
 123     /* Original rasterizer state. */
 124     struct pipe_rasterizer_state rs;
 125     /* Draw-specific rasterizer state. */
 126     struct pipe_rasterizer_state rs_draw;
 127
 128     /* Command buffers. */
 129     uint32_t cb_main[25];
 130     uint32_t cb_poly_offset_zb16[5];
 131     uint32_t cb_poly_offset_zb24[5];
 132
 133     /* The index to cb_main where the cull_mode register value resides. */
 134     unsigned cull_mode_index;
 135
 136     /* Whether polygon offset is enabled. */
 137     boolean polygon_offset_enable;
 138
 139     /* This is emitted in the draw function. */
 140     uint32_t color_control;         /* R300_GA_COLOR_CONTROL: 0x4278 */
 141 };
 142
 143 struct r300_rs_block {
 144     uint32_t vap_vtx_state_cntl;  /* R300_VAP_VTX_STATE_CNTL: 0x2180 */
 145     uint32_t vap_vsm_vtx_assm;    /* R300_VAP_VSM_VTX_ASSM: 0x2184 */
 146     uint32_t vap_out_vtx_fmt[2];  /* R300_VAP_OUTPUT_VTX_FMT_[0-1]: 0x2090 */
 147
 148     uint32_t ip[8]; /* R300_RS_IP_[0-7], R500_RS_IP_[0-7] */
 149     uint32_t count; /* R300_RS_COUNT */
 150     uint32_t inst_count; /* R300_RS_INST_COUNT */
 151     uint32_t inst[8]; /* R300_RS_INST_[0-7] */
 152 };
 153
 154 struct r300_sampler_state {
 155     struct pipe_sampler_state state;
 156
 157     uint32_t filter0;      /* R300_TX_FILTER0: 0x4400 */
 158     uint32_t filter1;      /* R300_TX_FILTER1: 0x4440 */
 159     uint32_t border_color; /* R300_TX_BORDER_COLOR: 0x45c0 */
 160
 161     /* Min/max LOD must be clamped to [0, last_level], thus
 162      * it's dependent on a currently bound texture */
 163     unsigned min_lod, max_lod;
 164 };
 165
 166 struct r300_texture_format_state {
 167     uint32_t format0; /* R300_TX_FORMAT0: 0x4480 */
 168     uint32_t format1; /* R300_TX_FORMAT1: 0x44c0 */
 169     uint32_t format2; /* R300_TX_FORMAT2: 0x4500 */
 170     uint32_t tile_config; /* R300_TX_OFFSET (subset thereof) */
 171 };
 172
 173 struct r300_sampler_view {
 174     struct pipe_sampler_view base;
 175
 176     /* Swizzles in the UTIL_FORMAT_SWIZZLE_* representation,
 177      * derived from base. */
 178     unsigned char swizzle[4];
 179
 180     /* Copy of r300_texture::texture_format_state with format-specific bits
 181      * added. */
 182     struct r300_texture_format_state format;
 183
 184     /* The texture cache region for this texture. */
 185     uint32_t texcache_region;
 186 };
 187
 188 struct r300_texture_fb_state {
 189     uint32_t pitch[R300_MAX_TEXTURE_LEVELS]; /* COLORPITCH or DEPTHPITCH. */
 190     uint32_t format; /* US_OUT_FMT or R300_ZB_FORMAT */
 191 };
 192
 193 struct r300_texture_sampler_state {
 194     struct r300_texture_format_state format;
 195     uint32_t filter0;      /* R300_TX_FILTER0: 0x4400 */
 196     uint32_t filter1;      /* R300_TX_FILTER1: 0x4440 */
 197     uint32_t border_color;  /* R300_TX_BORDER_COLOR: 0x45c0 */
 198 };
 199
 200 struct r300_textures_state {
 201     /* Textures. */
 202     struct r300_sampler_view *sampler_views[16];
 203     int sampler_view_count;
 204     /* Sampler states. */
 205     struct r300_sampler_state *sampler_states[16];
 206     int sampler_state_count;
 207
 208     /* This is the merge of the texture and sampler states. */
 209     unsigned count;
 210     uint32_t tx_enable;         /* R300_TX_ENABLE: 0x4101 */
 211     struct r300_texture_sampler_state regs[16];
 212 };
 213
 214 struct r300_vertex_stream_state {
 215     /* R300_VAP_PROG_STREAK_CNTL_[0-7] */
 216     uint32_t vap_prog_stream_cntl[8];
 217     /* R300_VAP_PROG_STREAK_CNTL_EXT_[0-7] */
 218     uint32_t vap_prog_stream_cntl_ext[8];
 219
 220     unsigned count;
 221 };
 222
 223 struct r300_invariant_state {
 224     uint32_t cb[20];
 225 };
 226
 227 struct r300_vap_invariant_state {
 228     uint32_t cb[9];
 229 };
 230
 231 struct r300_viewport_state {
 232     float xscale;         /* R300_VAP_VPORT_XSCALE:  0x2098 */
 233     float xoffset;        /* R300_VAP_VPORT_XOFFSET: 0x209c */
 234     float yscale;         /* R300_VAP_VPORT_YSCALE:  0x20a0 */
 235     float yoffset;        /* R300_VAP_VPORT_YOFFSET: 0x20a4 */
 236     float zscale;         /* R300_VAP_VPORT_ZSCALE:  0x20a8 */
 237     float zoffset;        /* R300_VAP_VPORT_ZOFFSET: 0x20ac */
 238     uint32_t vte_control; /* R300_VAP_VTE_CNTL:      0x20b0 */
 239 };
 240
 241 struct r300_ztop_state {
 242     uint32_t z_buffer_top;      /* R300_ZB_ZTOP: 0x4f14 */
 243 };
 244
 245 /* The next several objects are not pure Radeon state; they inherit from
 246  * various Gallium classes. */
 247
 248 struct r300_constant_buffer {
 249     /* Buffer of constants */
 250     uint32_t *ptr;
 251     /* Total number of vec4s */
 252     unsigned count;
 253 };
 254
 255 /* Query object.
 256  *
 257  * This is not a subclass of pipe_query because pipe_query is never
 258  * actually fully defined. So, rather than have it as a member, and do
 259  * subclass-style casting, we treat pipe_query as an opaque, and just
 260  * trust that our state tracker does not ever mess up query objects.
 261  */
 262 struct r300_query {
 263     /* The kind of query. Currently only OQ is supported. */
 264     unsigned type;
 265     /* The number of pipes where query results are stored. */
 266     unsigned num_pipes;
 267     /* How many results have been written, in dwords. It's incremented
 268      * after end_query and flush. */
 269     unsigned num_results;
 270     /* if we've flushed the query */
 271     boolean flushed;
 272     /* if begin has been emitted */
 273     boolean begin_emitted;
 274
 275     /* The buffer where query results are stored. */
 276     struct r300_winsys_buffer *buffer;
 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 /* Fence object.
 288  *
 289  * This is a fake fence. Instead of syncing with the fence, we sync
 290  * with the context, which is inefficient but compliant.
 291  *
 292  * This is not a subclass of pipe_fence_handle because pipe_fence_handle is
 293  * never actually fully defined. So, rather than have it as a member, and do
 294  * subclass-style casting, we treat pipe_fence_handle as an opaque, and just
 295  * trust that our state tracker does not ever mess up fence objects.
 296  */
 297 struct r300_fence {
 298     struct pipe_reference reference;
 299     struct r300_context *ctx;
 300     boolean signalled;
 301 };
 302
 303 struct r300_surface {
 304     struct pipe_surface base;
 305
 306     /* Winsys buffer backing the texture. */
 307     struct r300_winsys_buffer *buffer;
 308
 309     enum r300_buffer_domain domain;
 310
 311     uint32_t offset;    /* COLOROFFSET or DEPTHOFFSET. */
 312     uint32_t pitch;     /* COLORPITCH or DEPTHPITCH. */
 313     uint32_t format;    /* US_OUT_FMT or ZB_FORMAT. */
 314
 315     /* Parameters dedicated to the CBZB clear. */
 316     uint32_t cbzb_width;            /* Aligned width. */
 317     uint32_t cbzb_height;           /* Half of the height. */
 318     uint32_t cbzb_midpoint_offset;  /* DEPTHOFFSET. */
 319     uint32_t cbzb_pitch;            /* DEPTHPITCH. */
 320     uint32_t cbzb_format;           /* ZB_FORMAT. */
 321
 322     /* Whether the CBZB clear is allowed on the surface. */
 323     boolean cbzb_allowed;
 324 };
 325
 326 struct r300_texture_desc {
 327     /* Parent class. */
 328     struct u_resource b;
 329
 330     /* Buffer tiling.
 331      * Macrotiling is specified per-level because small mipmaps cannot
 332      * be macrotiled. */
 333     enum r300_buffer_tiling microtile;
 334     enum r300_buffer_tiling macrotile[R300_MAX_TEXTURE_LEVELS];
 335
 336     /* Offsets into the buffer. */
 337     unsigned offset_in_bytes[R300_MAX_TEXTURE_LEVELS];
 338
 339     /* Strides for each mip-level. */
 340     unsigned stride_in_pixels[R300_MAX_TEXTURE_LEVELS];
 341     unsigned stride_in_bytes[R300_MAX_TEXTURE_LEVELS];
 342
 343     /* Size of one zslice or face or 2D image based on the texture target. */
 344     unsigned layer_size_in_bytes[R300_MAX_TEXTURE_LEVELS];
 345
 346     /* Total size of this texture, in bytes,
 347      * derived from the texture properties. */
 348     unsigned size_in_bytes;
 349
 350     /* Total size of the buffer backing this texture, in bytes.
 351      * It must be >= size. */
 352     unsigned buffer_size_in_bytes;
 353
 354     /**
 355      * If non-zero, override the natural texture layout with
 356      * a custom stride (in bytes).
 357      *
 358      * \note Mipmapping fails for textures with a non-natural layout!
 359      *
 360      * \sa r300_texture_get_stride
 361      */
 362     unsigned stride_in_bytes_override;
 363
 364     /* Whether this texture has non-power-of-two dimensions.
 365      * It can be either a regular texture or a rectangle one. */
 366     boolean is_npot;
 367
 368     /* This flag says that hardware must use the stride for addressing
 369      * instead of the width. */
 370     boolean uses_stride_addressing;
 371
 372     /* Whether CBZB fast color clear is allowed on the miplevel. */
 373     boolean cbzb_allowed[R300_MAX_TEXTURE_LEVELS];
 374 };
 375
 376 struct r300_texture {
 377     struct r300_texture_desc desc;
 378
 379     enum r300_buffer_domain domain;
 380
 381     /* Pipe buffer backing this texture. */
 382     struct r300_winsys_buffer *buffer;
 383
 384     /* Registers carrying texture format data. */
 385     /* Only format-independent bits should be filled in. */
 386     struct r300_texture_format_state tx_format;
 387     /* All bits should be filled in. */
 388     struct r300_texture_fb_state fb_state;
 389
 390     /* This is the level tiling flags were last time set for.
 391      * It's used to prevent redundant tiling-flags changes from happening.*/
 392     unsigned surface_level;
 393 };
 394
 395 struct r300_vertex_element_state {
 396     unsigned count;
 397     struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 398
 399     /* If (velem[i].src_format != hw_format[i]), the vertex buffer
 400      * referenced by this vertex element cannot be used for rendering and
 401      * its vertex data must be translated to hw_format[i]. */
 402     enum pipe_format hw_format[PIPE_MAX_ATTRIBS];
 403     unsigned hw_format_size[PIPE_MAX_ATTRIBS];
 404
 405     /* The size of the vertex, in dwords. */
 406     unsigned vertex_size_dwords;
 407
 408     /* This might mean two things:
 409      * - src_format != hw_format, as discussed above.
 410      * - src_offset % 4 != 0. */
 411     boolean incompatible_layout;
 412
 413     struct r300_vertex_stream_state vertex_stream;
 414 };
 415
 416 struct r300_translate_context {
 417     /* Translate cache for incompatible vertex offset/stride/format fallback. */
 418     struct translate_cache *translate_cache;
 419
 420     /* The vertex buffer slot containing the translated buffer. */
 421     unsigned vb_slot;
 422
 423     /* Saved and new vertex element state. */
 424     void *saved_velems, *new_velems;
 425 };
 426
 427 struct r300_context {
 428     /* Parent class */
 429     struct pipe_context context;
 430
 431     /* The interface to the windowing system, etc. */
 432     struct r300_winsys_screen *rws;
 433     /* The command stream. */
 434     struct r300_winsys_cs *cs;
 435     /* Screen. */
 436     struct r300_screen *screen;
 437     /* Draw module. Used mostly for SW TCL. */
 438     struct draw_context* draw;
 439     /* Accelerated blit support. */
 440     struct blitter_context* blitter;
 441     /* Stencil two-sided reference value fallback. */
 442     struct r300_stencilref_context *stencilref_fallback;
 443     /* For translating vertex buffers having incompatible vertex layout. */
 444     struct r300_translate_context tran;
 445
 446     /* Vertex buffer for rendering. */
 447     struct pipe_resource* vbo;
 448     /* The KIL opcode needs the first texture unit to be enabled
 449      * on r3xx-r4xx. In order to calm down the CS checker, we bind this
 450      * dummy texture there. */
 451     struct r300_sampler_view *texkill_sampler;
 452     /* Offset into the VBO. */
 453     size_t vbo_offset;
 454
 455     /* The currently active query. */
 456     struct r300_query *query_current;
 457     /* The saved query for blitter operations. */
 458     struct r300_query *blitter_saved_query;
 459     /* Query list. */
 460     struct r300_query query_list;
 461
 462     /* Various CSO state objects. */
 463     /* Beginning of atom list. */
 464     struct r300_atom atom_list;
 465     /* Anti-aliasing (MSAA) state. */
 466     struct r300_atom aa_state;
 467     /* Blend state. */
 468     struct r300_atom blend_state;
 469     /* Blend color state. */
 470     struct r300_atom blend_color_state;
 471     /* User clip planes. */
 472     struct r300_atom clip_state;
 473     /* Depth, stencil, and alpha state. */
 474     struct r300_atom dsa_state;
 475     /* Fragment shader. */
 476     struct r300_atom fs;
 477     /* Fragment shader RC_CONSTANT_STATE variables. */
 478     struct r300_atom fs_rc_constant_state;
 479     /* Fragment shader constant buffer. */
 480     struct r300_atom fs_constants;
 481     /* Framebuffer state. */
 482     struct r300_atom fb_state;
 483     /* Framebuffer state (pipelined regs). */
 484     struct r300_atom fb_state_pipelined;
 485     /* HyperZ state (various SC/ZB bits). */
 486     struct r300_atom hyperz_state;
 487     /* Occlusion query. */
 488     struct r300_atom query_start;
 489     /* Rasterizer state. */
 490     struct r300_atom rs_state;
 491     /* RS block state + VAP (vertex shader) output mapping state. */
 492     struct r300_atom rs_block_state;
 493     /* Scissor state. */
 494     struct r300_atom scissor_state;
 495     /* Textures state. */
 496     struct r300_atom textures_state;
 497     /* Vertex stream formatting state. */
 498     struct r300_atom vertex_stream_state;
 499     /* Vertex shader. */
 500     struct r300_atom vs_state;
 501     /* Vertex shader constant buffer. */
 502     struct r300_atom vs_constants;
 503     /* Viewport state. */
 504     struct r300_atom viewport_state;
 505     /* ZTOP state. */
 506     struct r300_atom ztop_state;
 507     /* PVS flush. */
 508     struct r300_atom pvs_flush;
 509     /* VAP invariant state. */
 510     struct r300_atom vap_invariant_state;
 511     /* Texture cache invalidate. */
 512     struct r300_atom texture_cache_inval;
 513     /* GPU flush. */
 514     struct r300_atom gpu_flush;
 515
 516     /* Invariant state. This must be emitted to get the engine started. */
 517     struct r300_atom invariant_state;
 518
 519     /* Vertex buffers for Gallium. */
 520     struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
 521     int vertex_buffer_count;
 522     int vertex_buffer_max_index;
 523     /* Vertex elements for Gallium. */
 524     struct r300_vertex_element_state *velems;
 525     bool any_user_vbs;
 526
 527     struct pipe_index_buffer index_buffer;
 528
 529     /* Vertex info for Draw. */
 530     struct vertex_info vertex_info;
 531
 532     struct pipe_stencil_ref stencil_ref;
 533     struct pipe_viewport_state viewport;
 534
 535     /* Stream locations for SWTCL. */
 536     int stream_loc_notcl[16];
 537
 538     /* Flag indicating whether or not the HW is dirty. */
 539     uint32_t dirty_hw;
 540     /* Whether polygon offset is enabled. */
 541     boolean polygon_offset_enabled;
 542     /* Z buffer bit depth. */
 543     uint32_t zbuffer_bpp;
 544     /* Whether rendering is conditional and should be skipped. */
 545     boolean skip_rendering;
 546     /* Point sprites texcoord index,  1 bit per texcoord */
 547     int sprite_coord_enable;
 548     /* Whether two-sided color selection is enabled (AKA light_twoside). */
 549     boolean two_sided_color;
 550     /* Incompatible vertex buffer layout? (misaligned stride or buffer_offset) */
 551     boolean incompatible_vb_layout;
 552
 553     boolean cbzb_clear;
 554     /* upload managers */
 555     struct u_upload_mgr *upload_vb;
 556     struct u_upload_mgr *upload_ib;
 557
 558     struct util_mempool pool_transfers;
 559
 560     /* Stat counter. */
 561     uint64_t flush_counter;
 562 };
 563
 564 /* Convenience cast wrappers. */
 565 static INLINE struct r300_query* r300_query(struct pipe_query* q)
 566 {
 567     return (struct r300_query*)q;
 568 }
 569
 570 static INLINE struct r300_surface* r300_surface(struct pipe_surface* surf)
 571 {
 572     return (struct r300_surface*)surf;
 573 }
 574
 575 static INLINE struct r300_texture* r300_texture(struct pipe_resource* tex)
 576 {
 577     return (struct r300_texture*)tex;
 578 }
 579
 580 static INLINE struct r300_context* r300_context(struct pipe_context* context)
 581 {
 582     return (struct r300_context*)context;
 583 }
 584
 585 static INLINE struct r300_fragment_shader *r300_fs(struct r300_context *r300)
 586 {
 587     return (struct r300_fragment_shader*)r300->fs.state;
 588 }
 589
 590 struct pipe_context* r300_create_context(struct pipe_screen* screen,
 591                                          void *priv);
 592
 593 void r300_finish(struct r300_context *r300);
 594 void r300_flush_cb(void *data);
 595
 596 /* Context initialization. */
 597 struct draw_stage* r300_draw_stage(struct r300_context* r300);
 598 void r300_init_blit_functions(struct r300_context *r300);
 599 void r300_init_flush_functions(struct r300_context* r300);
 600 void r300_init_query_functions(struct r300_context* r300);
 601 void r300_init_render_functions(struct r300_context *r300);
 602 void r300_init_state_functions(struct r300_context* r300);
 603 void r300_init_resource_functions(struct r300_context* r300);
 604
 605 /* r300_query.c */
 606 void r300_resume_query(struct r300_context *r300,
 607                        struct r300_query *query);
 608 void r300_stop_query(struct r300_context *r300);
 609
 610 /* r300_render_translate.c */
 611 void r300_begin_vertex_translate(struct r300_context *r300);
 612 void r300_end_vertex_translate(struct r300_context *r300);
 613 void r300_translate_index_buffer(struct r300_context *r300,
 614                                  struct pipe_resource **index_buffer,
 615                                  unsigned *index_size, unsigned index_offset,
 616                                  unsigned *start, unsigned count);
 617
 618 /* r300_render_stencilref.c */
 619 void r300_plug_in_stencil_ref_fallback(struct r300_context *r300);
 620
 621 /* r300_state.c */
 622 enum r300_fb_state_change {
 623     R300_CHANGED_FB_STATE = 0,
 624     R300_CHANGED_CBZB_FLAG
 625 };
 626
 627 void r300_mark_fb_state_dirty(struct r300_context *r300,
 628                               enum r300_fb_state_change change);
 629 void r300_mark_fs_code_dirty(struct r300_context *r300);
 630
 631 /* r300_debug.c */
 632 void r500_dump_rs_block(struct r300_rs_block *rs);
 633
 634
 635 static INLINE boolean CTX_DBG_ON(struct r300_context * ctx, unsigned flags)
 636 {
 637     return SCREEN_DBG_ON(ctx->screen, flags);
 638 }
 639
 640 static INLINE void CTX_DBG(struct r300_context * ctx, unsigned flags,
 641                        const char * fmt, ...)
 642 {
 643     if (CTX_DBG_ON(ctx, flags)) {
 644         va_list va;
 645         va_start(va, fmt);
 646         vfprintf(stderr, fmt, va);
 647         va_end(va);
 648     }
 649 }
 650
 651 #define DBG_ON  CTX_DBG_ON
 652 #define DBG     CTX_DBG
 653
 654 #endif /* R300_CONTEXT_H */