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     struct pipe_blend_state state;
  69
  70     uint32_t cb_clamp[8];
  71     uint32_t cb_noclamp[8];
  72     uint32_t cb_no_readwrite[8];
  73 };
  74
  75 struct r300_blend_color_state {
  76     struct pipe_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     uint32_t cb_reg1;
  99     uint32_t alpha_value;       /* R500_FG_ALPHA_VALUE: 0x4be0 */
 100
 101     /* The same, but for FP16 alpha test. */
 102     uint32_t cb_begin_fp16;
 103     uint32_t alpha_function_fp16;    /* R300_FG_ALPHA_FUNC: 0x4bd4 */
 104     uint32_t cb_reg_seq_fp16;
 105     uint32_t z_buffer_control_fp16;  /* R300_ZB_CNTL: 0x4f00 */
 106     uint32_t z_stencil_control_fp16; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
 107     uint32_t stencil_ref_mask_fp16;  /* R300_ZB_STENCILREFMASK: 0x4f08 */
 108     uint32_t cb_reg_fp16;
 109     uint32_t stencil_ref_bf_fp16;    /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
 110     uint32_t cb_reg1_fp16;
 111     uint32_t alpha_value_fp16;       /* R500_FG_ALPHA_VALUE: 0x4be0 */
 112
 113     /* The second command buffer disables zbuffer reads and writes. */
 114     uint32_t cb_zb_no_readwrite[10];
 115     uint32_t cb_fp16_zb_no_readwrite[10];
 116
 117     /* Whether a two-sided stencil is enabled. */
 118     boolean two_sided;
 119     /* Whether a fallback should be used for a two-sided stencil ref value. */
 120     boolean two_sided_stencil_ref;
 121 };
 122
 123 struct r300_hyperz_state {
 124     int flush;
 125     /* This is actually a command buffer with named dwords. */
 126     uint32_t cb_flush_begin;
 127     uint32_t zb_zcache_ctlstat;     /* R300_ZB_CACHE_CNTL */
 128     uint32_t cb_begin;
 129     uint32_t zb_bw_cntl;            /* R300_ZB_BW_CNTL */
 130     uint32_t cb_reg1;
 131     uint32_t zb_depthclearvalue;    /* R300_ZB_DEPTHCLEARVALUE */
 132     uint32_t cb_reg2;
 133     uint32_t sc_hyperz;             /* R300_SC_HYPERZ */
 134     uint32_t cb_reg3;
 135     uint32_t gb_z_peq_config;       /* R300_GB_Z_PEQ_CONFIG: 0x4028 */
 136 };
 137
 138 struct r300_gpu_flush {
 139     uint32_t cb_flush_clean[6];
 140 };
 141
 142 #define RS_STATE_MAIN_SIZE 25
 143
 144 struct r300_rs_state {
 145     /* Original rasterizer state. */
 146     struct pipe_rasterizer_state rs;
 147     /* Draw-specific rasterizer state. */
 148     struct pipe_rasterizer_state rs_draw;
 149
 150     /* Command buffers. */
 151     uint32_t cb_main[RS_STATE_MAIN_SIZE];
 152     uint32_t cb_poly_offset_zb16[5];
 153     uint32_t cb_poly_offset_zb24[5];
 154
 155     /* The index to cb_main where the cull_mode register value resides. */
 156     unsigned cull_mode_index;
 157
 158     /* Whether polygon offset is enabled. */
 159     boolean polygon_offset_enable;
 160
 161     /* This is emitted in the draw function. */
 162     uint32_t color_control;         /* R300_GA_COLOR_CONTROL: 0x4278 */
 163 };
 164
 165 struct r300_rs_block {
 166     uint32_t vap_vtx_state_cntl;  /* R300_VAP_VTX_STATE_CNTL: 0x2180 */
 167     uint32_t vap_vsm_vtx_assm;    /* R300_VAP_VSM_VTX_ASSM: 0x2184 */
 168     uint32_t vap_out_vtx_fmt[2];  /* R300_VAP_OUTPUT_VTX_FMT_[0-1]: 0x2090 */
 169     uint32_t gb_enable;
 170
 171     uint32_t ip[8]; /* R300_RS_IP_[0-7], R500_RS_IP_[0-7] */
 172     uint32_t count; /* R300_RS_COUNT */
 173     uint32_t inst_count; /* R300_RS_INST_COUNT */
 174     uint32_t inst[8]; /* R300_RS_INST_[0-7] */
 175 };
 176
 177 struct r300_sampler_state {
 178     struct pipe_sampler_state state;
 179
 180     uint32_t filter0;      /* R300_TX_FILTER0: 0x4400 */
 181     uint32_t filter1;      /* R300_TX_FILTER1: 0x4440 */
 182
 183     /* Min/max LOD must be clamped to [0, last_level], thus
 184      * it's dependent on a currently bound texture */
 185     unsigned min_lod, max_lod;
 186 };
 187
 188 struct r300_texture_format_state {
 189     uint32_t format0; /* R300_TX_FORMAT0: 0x4480 */
 190     uint32_t format1; /* R300_TX_FORMAT1: 0x44c0 */
 191     uint32_t format2; /* R300_TX_FORMAT2: 0x4500 */
 192     uint32_t tile_config; /* R300_TX_OFFSET (subset thereof) */
 193 };
 194
 195 struct r300_sampler_view {
 196     struct pipe_sampler_view base;
 197
 198     /* Swizzles in the UTIL_FORMAT_SWIZZLE_* representation,
 199      * derived from base. */
 200     unsigned char swizzle[4];
 201
 202     /* Copy of r300_texture::texture_format_state with format-specific bits
 203      * added. */
 204     struct r300_texture_format_state format;
 205
 206     /* The texture cache region for this texture. */
 207     uint32_t texcache_region;
 208 };
 209
 210 struct r300_texture_sampler_state {
 211     struct r300_texture_format_state format;
 212     uint32_t filter0;      /* R300_TX_FILTER0: 0x4400 */
 213     uint32_t filter1;      /* R300_TX_FILTER1: 0x4440 */
 214     uint32_t border_color;  /* R300_TX_BORDER_COLOR: 0x45c0 */
 215 };
 216
 217 struct r300_textures_state {
 218     /* Textures. */
 219     struct r300_sampler_view *sampler_views[16];
 220     int sampler_view_count;
 221     /* Sampler states. */
 222     struct r300_sampler_state *sampler_states[16];
 223     int sampler_state_count;
 224
 225     /* This is the merge of the texture and sampler states. */
 226     unsigned count;
 227     uint32_t tx_enable;         /* R300_TX_ENABLE: 0x4101 */
 228     struct r300_texture_sampler_state regs[16];
 229 };
 230
 231 struct r300_vertex_stream_state {
 232     /* R300_VAP_PROG_STREAK_CNTL_[0-7] */
 233     uint32_t vap_prog_stream_cntl[8];
 234     /* R300_VAP_PROG_STREAK_CNTL_EXT_[0-7] */
 235     uint32_t vap_prog_stream_cntl_ext[8];
 236
 237     unsigned count;
 238 };
 239
 240 struct r300_invariant_state {
 241     uint32_t cb[24];
 242 };
 243
 244 struct r300_vap_invariant_state {
 245     uint32_t cb[11];
 246 };
 247
 248 struct r300_viewport_state {
 249     float xscale;         /* R300_VAP_VPORT_XSCALE:  0x2098 */
 250     float xoffset;        /* R300_VAP_VPORT_XOFFSET: 0x209c */
 251     float yscale;         /* R300_VAP_VPORT_YSCALE:  0x20a0 */
 252     float yoffset;        /* R300_VAP_VPORT_YOFFSET: 0x20a4 */
 253     float zscale;         /* R300_VAP_VPORT_ZSCALE:  0x20a8 */
 254     float zoffset;        /* R300_VAP_VPORT_ZOFFSET: 0x20ac */
 255     uint32_t vte_control; /* R300_VAP_VTE_CNTL:      0x20b0 */
 256 };
 257
 258 struct r300_ztop_state {
 259     uint32_t z_buffer_top;      /* R300_ZB_ZTOP: 0x4f14 */
 260 };
 261
 262 /* The next several objects are not pure Radeon state; they inherit from
 263  * various Gallium classes. */
 264
 265 struct r300_constant_buffer {
 266     /* Buffer of constants */
 267     uint32_t *ptr;
 268     /* Remapping table. */
 269     unsigned *remap_table;
 270     /* const buffer base */
 271     uint32_t buffer_base;
 272 };
 273
 274 /* Query object.
 275  *
 276  * This is not a subclass of pipe_query because pipe_query is never
 277  * actually fully defined. So, rather than have it as a member, and do
 278  * subclass-style casting, we treat pipe_query as an opaque, and just
 279  * trust that our state tracker does not ever mess up query objects.
 280  */
 281 struct r300_query {
 282     /* The kind of query. Currently only OQ is supported. */
 283     unsigned type;
 284     /* The number of pipes where query results are stored. */
 285     unsigned num_pipes;
 286     /* How many results have been written, in dwords. It's incremented
 287      * after end_query and flush. */
 288     unsigned num_results;
 289     /* if begin has been emitted */
 290     boolean begin_emitted;
 291
 292     /* The buffer where query results are stored. */
 293     struct r300_winsys_bo *buf;
 294     struct r300_winsys_cs_handle *cs_buf;
 295     /* The size of the buffer. */
 296     unsigned buffer_size;
 297     /* The domain of the buffer. */
 298     enum r300_buffer_domain domain;
 299
 300     /* Linked list members. */
 301     struct r300_query* prev;
 302     struct r300_query* next;
 303 };
 304
 305 struct r300_surface {
 306     struct pipe_surface base;
 307
 308     /* Winsys buffer backing the texture. */
 309     struct r300_winsys_bo *buf;
 310     struct r300_winsys_cs_handle *cs_buf;
 311
 312     enum r300_buffer_domain domain;
 313
 314     uint32_t offset;    /* COLOROFFSET or DEPTHOFFSET. */
 315     uint32_t pitch;     /* COLORPITCH or DEPTHPITCH. */
 316     uint32_t pitch_zmask; /* ZMASK_PITCH */
 317     uint32_t pitch_hiz;   /* HIZ_PITCH */
 318     uint32_t format;    /* US_OUT_FMT or ZB_FORMAT. */
 319
 320     /* Parameters dedicated to the CBZB clear. */
 321     uint32_t cbzb_width;            /* Aligned width. */
 322     uint32_t cbzb_height;           /* Half of the height. */
 323     uint32_t cbzb_midpoint_offset;  /* DEPTHOFFSET. */
 324     uint32_t cbzb_pitch;            /* DEPTHPITCH. */
 325     uint32_t cbzb_format;           /* ZB_FORMAT. */
 326
 327     /* Whether the CBZB clear is allowed on the surface. */
 328     boolean cbzb_allowed;
 329 };
 330
 331 struct r300_texture_desc {
 332     /* Width, height, and depth.
 333      * Most of the time, these are equal to pipe_texture::width0, height0,
 334      * and depth0. However, NPOT 3D textures must have dimensions aligned
 335      * to POT, and this is the only case when these variables differ from
 336      * pipe_texture. */
 337     unsigned width0, height0, depth0;
 338
 339     /* Buffer tiling.
 340      * Macrotiling is specified per-level because small mipmaps cannot
 341      * be macrotiled. */
 342     enum r300_buffer_tiling microtile;
 343     enum r300_buffer_tiling macrotile[R300_MAX_TEXTURE_LEVELS];
 344
 345     /* Offsets into the buffer. */
 346     unsigned offset_in_bytes[R300_MAX_TEXTURE_LEVELS];
 347
 348     /* Strides for each mip-level. */
 349     unsigned stride_in_pixels[R300_MAX_TEXTURE_LEVELS];
 350     unsigned stride_in_bytes[R300_MAX_TEXTURE_LEVELS];
 351
 352     /* Size of one zslice or face or 2D image based on the texture target. */
 353     unsigned layer_size_in_bytes[R300_MAX_TEXTURE_LEVELS];
 354
 355     /* Total size of this texture, in bytes,
 356      * derived from the texture properties. */
 357     unsigned size_in_bytes;
 358
 359     /* Total size of the buffer backing this texture, in bytes.
 360      * It must be >= size. */
 361     unsigned buffer_size_in_bytes;
 362
 363     /**
 364      * If non-zero, override the natural texture layout with
 365      * a custom stride (in bytes).
 366      *
 367      * \note Mipmapping fails for textures with a non-natural layout!
 368      *
 369      * \sa r300_texture_get_stride
 370      */
 371     unsigned stride_in_bytes_override;
 372
 373     /* Whether this texture has non-power-of-two dimensions.
 374      * It can be either a regular texture or a rectangle one. */
 375     boolean is_npot;
 376
 377     /* This flag says that hardware must use the stride for addressing
 378      * instead of the width. */
 379     boolean uses_stride_addressing;
 380
 381     /* Whether CBZB fast color clear is allowed on the miplevel. */
 382     boolean cbzb_allowed[R300_MAX_TEXTURE_LEVELS];
 383
 384     /* Zbuffer compression info for each miplevel. */
 385     boolean zcomp8x8[R300_MAX_TEXTURE_LEVELS];
 386     /* If zero, then disable Z compression/HiZ. */
 387     unsigned zmask_dwords[R300_MAX_TEXTURE_LEVELS];
 388     unsigned hiz_dwords[R300_MAX_TEXTURE_LEVELS];
 389     /* Zmask/HiZ strides for each miplevel. */
 390     unsigned zmask_stride_in_pixels[R300_MAX_TEXTURE_LEVELS];
 391     unsigned hiz_stride_in_pixels[R300_MAX_TEXTURE_LEVELS];
 392 };
 393
 394 struct r300_resource
 395 {
 396     struct u_vbuf_resource b;
 397
 398     /* Winsys buffer backing this resource. */
 399     struct r300_winsys_bo *buf;
 400     struct r300_winsys_cs_handle *cs_buf;
 401     enum r300_buffer_domain domain;
 402     unsigned buf_size;
 403
 404     /* Constant buffers are in user memory. */
 405     uint8_t *constant_buffer;
 406
 407     /* Texture description (addressing, layout, special features). */
 408     struct r300_texture_desc tex;
 409
 410     /* Registers carrying texture format data. */
 411     /* Only format-independent bits should be filled in. */
 412     struct r300_texture_format_state tx_format;
 413
 414     /* Where the texture starts in the buffer. */
 415     unsigned tex_offset;
 416
 417     /* This is the level tiling flags were last time set for.
 418      * It's used to prevent redundant tiling-flags changes from happening.*/
 419     unsigned surface_level;
 420 };
 421
 422 struct r300_vertex_element_state {
 423     unsigned count;
 424     struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 425     unsigned format_size[PIPE_MAX_ATTRIBS];
 426
 427     struct u_vbuf_mgr_elements *vmgr_elements;
 428
 429     /* The size of the vertex, in dwords. */
 430     unsigned vertex_size_dwords;
 431
 432     struct r300_vertex_stream_state vertex_stream;
 433 };
 434
 435 enum r300_hiz_func {
 436     HIZ_FUNC_NONE,
 437
 438     /* The function, when determined, is set in stone
 439      * until the next HiZ clear. */
 440
 441     /* MAX is written to the HiZ buffer.
 442      * Used for LESS, LEQUAL. */
 443     HIZ_FUNC_MAX,
 444
 445     /* MIN is written to the HiZ buffer.
 446      * Used for GREATER, GEQUAL. */
 447     HIZ_FUNC_MIN,
 448 };
 449
 450 struct r300_context {
 451     /* Parent class */
 452     struct pipe_context context;
 453
 454     /* The interface to the windowing system, etc. */
 455     struct r300_winsys_screen *rws;
 456     /* The command stream. */
 457     struct r300_winsys_cs *cs;
 458     /* Screen. */
 459     struct r300_screen *screen;
 460
 461     /* Draw module. Used mostly for SW TCL. */
 462     struct draw_context* draw;
 463     /* Vertex buffer for SW TCL. */
 464     struct pipe_resource* vbo;
 465     /* Offset and size into the SW TCL VBO. */
 466     size_t draw_vbo_offset;
 467     size_t draw_vbo_size;
 468     /* Whether the VBO must not be flushed. */
 469     boolean draw_vbo_locked;
 470     boolean draw_first_emitted;
 471
 472     /* Accelerated blit support. */
 473     struct blitter_context* blitter;
 474     /* Stencil two-sided reference value fallback. */
 475     struct r300_stencilref_context *stencilref_fallback;
 476
 477     /* The KIL opcode needs the first texture unit to be enabled
 478      * on r3xx-r4xx. In order to calm down the CS checker, we bind this
 479      * dummy texture there. */
 480     struct r300_sampler_view *texkill_sampler;
 481
 482     /* When no vertex buffer is set, this one is used instead to prevent
 483      * hardlocks. */
 484     struct pipe_resource *dummy_vb;
 485
 486     /* The currently active query. */
 487     struct r300_query *query_current;
 488     /* The saved query for blitter operations. */
 489     struct r300_query *blitter_saved_query;
 490     /* Query list. */
 491     struct r300_query query_list;
 492
 493     /* Various CSO state objects. */
 494
 495     /* Each atom is emitted in the order it appears here, which can affect
 496      * performance and stability if not handled with care. */
 497     /* GPU flush. */
 498     struct r300_atom gpu_flush;
 499     /* Anti-aliasing (MSAA) state. */
 500     struct r300_atom aa_state;
 501     /* Framebuffer state. */
 502     struct r300_atom fb_state;
 503     /* HyperZ state (various SC/ZB bits). */
 504     struct r300_atom hyperz_state;
 505     /* ZTOP state. */
 506     struct r300_atom ztop_state;
 507     /* Depth, stencil, and alpha state. */
 508     struct r300_atom dsa_state;
 509     /* Blend state. */
 510     struct r300_atom blend_state;
 511     /* Blend color state. */
 512     struct r300_atom blend_color_state;
 513     /* Scissor state. */
 514     struct r300_atom scissor_state;
 515     /* Invariant state. This must be emitted to get the engine started. */
 516     struct r300_atom invariant_state;
 517     /* Viewport state. */
 518     struct r300_atom viewport_state;
 519     /* PVS flush. */
 520     struct r300_atom pvs_flush;
 521     /* VAP invariant state. */
 522     struct r300_atom vap_invariant_state;
 523     /* Vertex stream formatting state. */
 524     struct r300_atom vertex_stream_state;
 525     /* Vertex shader. */
 526     struct r300_atom vs_state;
 527     /* User clip planes. */
 528     struct r300_atom clip_state;
 529     /* RS block state + VAP (vertex shader) output mapping state. */
 530     struct r300_atom rs_block_state;
 531     /* Rasterizer state. */
 532     struct r300_atom rs_state;
 533     /* Framebuffer state (pipelined regs). */
 534     struct r300_atom fb_state_pipelined;
 535     /* Fragment shader. */
 536     struct r300_atom fs;
 537     /* Fragment shader RC_CONSTANT_STATE variables. */
 538     struct r300_atom fs_rc_constant_state;
 539     /* Fragment shader constant buffer. */
 540     struct r300_atom fs_constants;
 541     /* Vertex shader constant buffer. */
 542     struct r300_atom vs_constants;
 543     /* Texture cache invalidate. */
 544     struct r300_atom texture_cache_inval;
 545     /* Textures state. */
 546     struct r300_atom textures_state;
 547     /* HiZ clear */
 548     struct r300_atom hiz_clear;
 549     /* zmask clear */
 550     struct r300_atom zmask_clear;
 551     /* Occlusion query. */
 552     struct r300_atom query_start;
 553
 554     /* The pointers to the first and the last atom. */
 555     struct r300_atom *first_dirty, *last_dirty;
 556
 557     /* Vertex elements for Gallium. */
 558     struct r300_vertex_element_state *velems;
 559
 560     struct pipe_index_buffer index_buffer;
 561
 562     /* Vertex info for Draw. */
 563     struct vertex_info vertex_info;
 564
 565     struct pipe_stencil_ref stencil_ref;
 566     struct pipe_viewport_state viewport;
 567
 568     /* Stream locations for SWTCL. */
 569     int stream_loc_notcl[16];
 570
 571     /* Flag indicating whether or not the HW is dirty. */
 572     uint32_t dirty_hw;
 573     /* Whether polygon offset is enabled. */
 574     boolean polygon_offset_enabled;
 575     /* Z buffer bit depth. */
 576     uint32_t zbuffer_bpp;
 577     /* Whether rendering is conditional and should be skipped. */
 578     boolean skip_rendering;
 579     /* Point sprites texcoord index,  1 bit per texcoord */
 580     int sprite_coord_enable;
 581     /* Whether two-sided color selection is enabled (AKA light_twoside). */
 582     boolean two_sided_color;
 583     /* Whether fast color clear is enabled. */
 584     boolean cbzb_clear;
 585     /* Whether ZMASK is enabled. */
 586     boolean zmask_in_use;
 587     /* Whether ZMASK is being decompressed. */
 588     boolean zmask_decompress;
 589     /* Whether ZMASK/HIZ is locked, i.e. should be disabled and cannot be taken over. */
 590     boolean hyperz_locked;
 591     /* The zbuffer the ZMASK of which is locked. */
 592     struct pipe_surface *locked_zbuffer;
 593     /* Whether HIZ is enabled. */
 594     boolean hiz_in_use;
 595     /* HiZ function. Can be either MIN or MAX. */
 596     enum r300_hiz_func hiz_func;
 597     /* HiZ clear value. */
 598     uint32_t hiz_clear_value;
 599
 600     void *dsa_decompress_zmask;
 601
 602     struct u_vbuf_mgr *vbuf_mgr;
 603
 604     struct util_slab_mempool pool_transfers;
 605
 606     /* Stat counter. */
 607     uint64_t flush_counter;
 608
 609     /* const tracking for VS */
 610     int vs_const_base;
 611
 612     /* Vertex array state info */
 613     boolean vertex_arrays_dirty;
 614     boolean vertex_arrays_indexed;
 615     int vertex_arrays_offset;
 616     int vertex_arrays_instance_id;
 617     boolean instancing_enabled;
 618 };
 619
 620 #define foreach_atom(r300, atom) \
 621     for (atom = &r300->gpu_flush; atom != (&r300->query_start)+1; atom++)
 622
 623 #define foreach_dirty_atom(r300, atom) \
 624     for (atom = r300->first_dirty; atom != r300->last_dirty; atom++)
 625
 626 /* Convenience cast wrappers. */
 627 static INLINE struct r300_query* r300_query(struct pipe_query* q)
 628 {
 629     return (struct r300_query*)q;
 630 }
 631
 632 static INLINE struct r300_surface* r300_surface(struct pipe_surface* surf)
 633 {
 634     return (struct r300_surface*)surf;
 635 }
 636
 637 static INLINE struct r300_resource* r300_resource(struct pipe_resource* tex)
 638 {
 639     return (struct r300_resource*)tex;
 640 }
 641
 642 static INLINE struct r300_context* r300_context(struct pipe_context* context)
 643 {
 644     return (struct r300_context*)context;
 645 }
 646
 647 static INLINE struct r300_fragment_shader *r300_fs(struct r300_context *r300)
 648 {
 649     return (struct r300_fragment_shader*)r300->fs.state;
 650 }
 651
 652 static INLINE void r300_mark_atom_dirty(struct r300_context *r300,
 653                                         struct r300_atom *atom)
 654 {
 655     atom->dirty = TRUE;
 656
 657     if (!r300->first_dirty) {
 658         r300->first_dirty = atom;
 659         r300->last_dirty = atom+1;
 660     } else {
 661         if (atom < r300->first_dirty)
 662             r300->first_dirty = atom;
 663         else if (atom+1 > r300->last_dirty)
 664             r300->last_dirty = atom+1;
 665     }
 666 }
 667
 668 struct pipe_context* r300_create_context(struct pipe_screen* screen,
 669                                          void *priv);
 670
 671 /* Context initialization. */
 672 struct draw_stage* r300_draw_stage(struct r300_context* r300);
 673 void r300_init_blit_functions(struct r300_context *r300);
 674 void r300_init_flush_functions(struct r300_context* r300);
 675 void r300_init_query_functions(struct r300_context* r300);
 676 void r300_init_render_functions(struct r300_context *r300);
 677 void r300_init_state_functions(struct r300_context* r300);
 678 void r300_init_resource_functions(struct r300_context* r300);
 679
 680 /* r300_blit.c */
 681 void r300_decompress_zmask(struct r300_context *r300);
 682 void r300_decompress_zmask_locked_unsafe(struct r300_context *r300);
 683 void r300_decompress_zmask_locked(struct r300_context *r300);
 684
 685 /* r300_flush.c */
 686 void r300_flush(struct pipe_context *pipe,
 687                 unsigned flags,
 688                 struct pipe_fence_handle **fence);
 689
 690 /* r300_hyperz.c */
 691 void r300_update_hyperz_state(struct r300_context* r300);
 692
 693 /* r300_query.c */
 694 void r300_resume_query(struct r300_context *r300,
 695                        struct r300_query *query);
 696 void r300_stop_query(struct r300_context *r300);
 697
 698 /* r300_render_translate.c */
 699 void r300_translate_index_buffer(struct r300_context *r300,
 700                                  struct pipe_resource **index_buffer,
 701                                  unsigned *index_size, unsigned index_offset,
 702                                  unsigned *start, unsigned count);
 703
 704 /* r300_render_stencilref.c */
 705 void r300_plug_in_stencil_ref_fallback(struct r300_context *r300);
 706
 707 /* r300_render.c */
 708 void r300_draw_flush_vbuf(struct r300_context *r300);
 709 void r500_emit_index_bias(struct r300_context *r300, int index_bias);
 710
 711 /* r300_state.c */
 712 enum r300_fb_state_change {
 713     R300_CHANGED_FB_STATE = 0,
 714     R300_CHANGED_HYPERZ_FLAG,
 715     R300_CHANGED_MULTIWRITE
 716 };
 717
 718 void r300_mark_fb_state_dirty(struct r300_context *r300,
 719                               enum r300_fb_state_change change);
 720 void r300_mark_fs_code_dirty(struct r300_context *r300);
 721
 722 /* r300_state_derived.c */
 723 void r300_update_derived_state(struct r300_context* r300);
 724
 725 /* r300_debug.c */
 726 void r500_dump_rs_block(struct r300_rs_block *rs);
 727
 728
 729 static INLINE boolean CTX_DBG_ON(struct r300_context * ctx, unsigned flags)
 730 {
 731     return SCREEN_DBG_ON(ctx->screen, flags);
 732 }
 733
 734 static INLINE void CTX_DBG(struct r300_context * ctx, unsigned flags,
 735                        const char * fmt, ...)
 736 {
 737     if (CTX_DBG_ON(ctx, flags)) {
 738         va_list va;
 739         va_start(va, fmt);
 740         vfprintf(stderr, fmt, va);
 741         va_end(va);
 742     }
 743 }
 744
 745 #define DBG_ON  CTX_DBG_ON
 746 #define DBG     CTX_DBG
 747
 748 #endif /* R300_CONTEXT_H */