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     struct pipe_blend_color state;
  74     uint32_t cb[3];
  75 };
  76
  77 struct r300_clip_state {
  78     struct pipe_clip_state clip;
  79
  80     uint32_t cb[29];
  81 };
  82
  83 struct r300_dsa_state {
  84     struct pipe_depth_stencil_alpha_state dsa;
  85
  86     /* This is actually a command buffer with named dwords. */
  87     uint32_t cb_begin;
  88     uint32_t alpha_function;    /* R300_FG_ALPHA_FUNC: 0x4bd4 */
  89     uint32_t cb_reg_seq;
  90     uint32_t z_buffer_control;  /* R300_ZB_CNTL: 0x4f00 */
  91     uint32_t z_stencil_control; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
  92     uint32_t stencil_ref_mask;  /* R300_ZB_STENCILREFMASK: 0x4f08 */
  93     uint32_t cb_reg;
  94     uint32_t stencil_ref_bf;    /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
  95     uint32_t cb_reg1;
  96     uint32_t alpha_value;       /* R500_FG_ALPHA_VALUE: 0x4be0 */
  97
  98     /* The same, but for FP16 alpha test. */
  99     uint32_t cb_begin_fp16;
 100     uint32_t alpha_function_fp16;    /* R300_FG_ALPHA_FUNC: 0x4bd4 */
 101     uint32_t cb_reg_seq_fp16;
 102     uint32_t z_buffer_control_fp16;  /* R300_ZB_CNTL: 0x4f00 */
 103     uint32_t z_stencil_control_fp16; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
 104     uint32_t stencil_ref_mask_fp16;  /* R300_ZB_STENCILREFMASK: 0x4f08 */
 105     uint32_t cb_reg_fp16;
 106     uint32_t stencil_ref_bf_fp16;    /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
 107     uint32_t cb_reg1_fp16;
 108     uint32_t alpha_value_fp16;       /* R500_FG_ALPHA_VALUE: 0x4be0 */
 109
 110     /* The second command buffer disables zbuffer reads and writes. */
 111     uint32_t cb_zb_no_readwrite[10];
 112     uint32_t cb_fp16_zb_no_readwrite[10];
 113
 114     /* Whether a two-sided stencil is enabled. */
 115     boolean two_sided;
 116     /* Whether a fallback should be used for a two-sided stencil ref value. */
 117     boolean two_sided_stencil_ref;
 118 };
 119
 120 struct r300_hyperz_state {
 121     int flush;
 122     /* This is actually a command buffer with named dwords. */
 123     uint32_t cb_flush_begin;
 124     uint32_t zb_zcache_ctlstat;     /* R300_ZB_CACHE_CNTL */
 125     uint32_t cb_begin;
 126     uint32_t zb_bw_cntl;            /* R300_ZB_BW_CNTL */
 127     uint32_t cb_reg1;
 128     uint32_t zb_depthclearvalue;    /* R300_ZB_DEPTHCLEARVALUE */
 129     uint32_t cb_reg2;
 130     uint32_t sc_hyperz;             /* R300_SC_HYPERZ */
 131     uint32_t cb_reg3;
 132     uint32_t gb_z_peq_config;       /* R300_GB_Z_PEQ_CONFIG: 0x4028 */
 133 };
 134
 135 struct r300_gpu_flush {
 136     uint32_t cb_flush_clean[6];
 137 };
 138
 139 #define RS_STATE_MAIN_SIZE 23
 140
 141 struct r300_rs_state {
 142     /* Original rasterizer state. */
 143     struct pipe_rasterizer_state rs;
 144     /* Draw-specific rasterizer state. */
 145     struct pipe_rasterizer_state rs_draw;
 146
 147     /* Command buffers. */
 148     uint32_t cb_main[RS_STATE_MAIN_SIZE];
 149     uint32_t cb_poly_offset_zb16[5];
 150     uint32_t cb_poly_offset_zb24[5];
 151
 152     /* The index to cb_main where the cull_mode register value resides. */
 153     unsigned cull_mode_index;
 154
 155     /* Whether polygon offset is enabled. */
 156     boolean polygon_offset_enable;
 157
 158     /* This is emitted in the draw function. */
 159     uint32_t color_control;         /* R300_GA_COLOR_CONTROL: 0x4278 */
 160 };
 161
 162 struct r300_rs_block {
 163     uint32_t vap_vtx_state_cntl;  /* R300_VAP_VTX_STATE_CNTL: 0x2180 */
 164     uint32_t vap_vsm_vtx_assm;    /* R300_VAP_VSM_VTX_ASSM: 0x2184 */
 165     uint32_t vap_out_vtx_fmt[2];  /* R300_VAP_OUTPUT_VTX_FMT_[0-1]: 0x2090 */
 166     uint32_t gb_enable;
 167
 168     uint32_t ip[8]; /* R300_RS_IP_[0-7], R500_RS_IP_[0-7] */
 169     uint32_t count; /* R300_RS_COUNT */
 170     uint32_t inst_count; /* R300_RS_INST_COUNT */
 171     uint32_t inst[8]; /* R300_RS_INST_[0-7] */
 172 };
 173
 174 struct r300_sampler_state {
 175     struct pipe_sampler_state state;
 176
 177     uint32_t filter0;      /* R300_TX_FILTER0: 0x4400 */
 178     uint32_t filter1;      /* R300_TX_FILTER1: 0x4440 */
 179
 180     /* Min/max LOD must be clamped to [0, last_level], thus
 181      * it's dependent on a currently bound texture */
 182     unsigned min_lod, max_lod;
 183 };
 184
 185 struct r300_texture_format_state {
 186     uint32_t format0; /* R300_TX_FORMAT0: 0x4480 */
 187     uint32_t format1; /* R300_TX_FORMAT1: 0x44c0 */
 188     uint32_t format2; /* R300_TX_FORMAT2: 0x4500 */
 189     uint32_t tile_config; /* R300_TX_OFFSET (subset thereof) */
 190 };
 191
 192 struct r300_sampler_view {
 193     struct pipe_sampler_view base;
 194
 195     /* Swizzles in the UTIL_FORMAT_SWIZZLE_* representation,
 196      * derived from base. */
 197     unsigned char swizzle[4];
 198
 199     /* Copy of r300_texture::texture_format_state with format-specific bits
 200      * added. */
 201     struct r300_texture_format_state format;
 202
 203     /* The texture cache region for this texture. */
 204     uint32_t texcache_region;
 205 };
 206
 207 struct r300_texture_sampler_state {
 208     struct r300_texture_format_state format;
 209     uint32_t filter0;      /* R300_TX_FILTER0: 0x4400 */
 210     uint32_t filter1;      /* R300_TX_FILTER1: 0x4440 */
 211     uint32_t border_color;  /* R300_TX_BORDER_COLOR: 0x45c0 */
 212 };
 213
 214 struct r300_textures_state {
 215     /* Textures. */
 216     struct r300_sampler_view *sampler_views[16];
 217     int sampler_view_count;
 218     /* Sampler states. */
 219     struct r300_sampler_state *sampler_states[16];
 220     int sampler_state_count;
 221
 222     /* This is the merge of the texture and sampler states. */
 223     unsigned count;
 224     uint32_t tx_enable;         /* R300_TX_ENABLE: 0x4101 */
 225     struct r300_texture_sampler_state regs[16];
 226 };
 227
 228 struct r300_vertex_stream_state {
 229     /* R300_VAP_PROG_STREAK_CNTL_[0-7] */
 230     uint32_t vap_prog_stream_cntl[8];
 231     /* R300_VAP_PROG_STREAK_CNTL_EXT_[0-7] */
 232     uint32_t vap_prog_stream_cntl_ext[8];
 233
 234     unsigned count;
 235 };
 236
 237 struct r300_invariant_state {
 238     uint32_t cb[26];
 239 };
 240
 241 struct r300_vap_invariant_state {
 242     uint32_t cb[11];
 243 };
 244
 245 struct r300_viewport_state {
 246     float xscale;         /* R300_VAP_VPORT_XSCALE:  0x2098 */
 247     float xoffset;        /* R300_VAP_VPORT_XOFFSET: 0x209c */
 248     float yscale;         /* R300_VAP_VPORT_YSCALE:  0x20a0 */
 249     float yoffset;        /* R300_VAP_VPORT_YOFFSET: 0x20a4 */
 250     float zscale;         /* R300_VAP_VPORT_ZSCALE:  0x20a8 */
 251     float zoffset;        /* R300_VAP_VPORT_ZOFFSET: 0x20ac */
 252     uint32_t vte_control; /* R300_VAP_VTE_CNTL:      0x20b0 */
 253 };
 254
 255 struct r300_ztop_state {
 256     uint32_t z_buffer_top;      /* R300_ZB_ZTOP: 0x4f14 */
 257 };
 258
 259 /* The next several objects are not pure Radeon state; they inherit from
 260  * various Gallium classes. */
 261
 262 struct r300_constant_buffer {
 263     /* Buffer of constants */
 264     uint32_t *ptr;
 265     /* Remapping table. */
 266     unsigned *remap_table;
 267     /* const buffer base */
 268     uint32_t buffer_base;
 269 };
 270
 271 /* Query object.
 272  *
 273  * This is not a subclass of pipe_query because pipe_query is never
 274  * actually fully defined. So, rather than have it as a member, and do
 275  * subclass-style casting, we treat pipe_query as an opaque, and just
 276  * trust that our state tracker does not ever mess up query objects.
 277  */
 278 struct r300_query {
 279     /* The kind of query. Currently only OQ is supported. */
 280     unsigned type;
 281     /* The number of pipes where query results are stored. */
 282     unsigned num_pipes;
 283     /* How many results have been written, in dwords. It's incremented
 284      * after end_query and flush. */
 285     unsigned num_results;
 286     /* if begin has been emitted */
 287     boolean begin_emitted;
 288
 289     /* The buffer where query results are stored. */
 290     struct r300_winsys_bo *buf;
 291     struct r300_winsys_cs_handle *cs_buf;
 292     /* The size of the buffer. */
 293     unsigned buffer_size;
 294     /* The domain of the buffer. */
 295     enum r300_buffer_domain domain;
 296
 297     /* Linked list members. */
 298     struct r300_query* prev;
 299     struct r300_query* next;
 300 };
 301
 302 struct r300_surface {
 303     struct pipe_surface base;
 304
 305     /* Winsys buffer backing the texture. */
 306     struct r300_winsys_bo *buf;
 307     struct r300_winsys_cs_handle *cs_buf;
 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 pitch_zmask; /* ZMASK_PITCH */
 314     uint32_t pitch_hiz;   /* HIZ_PITCH */
 315     uint32_t format;    /* US_OUT_FMT or ZB_FORMAT. */
 316
 317     /* Parameters dedicated to the CBZB clear. */
 318     uint32_t cbzb_width;            /* Aligned width. */
 319     uint32_t cbzb_height;           /* Half of the height. */
 320     uint32_t cbzb_midpoint_offset;  /* DEPTHOFFSET. */
 321     uint32_t cbzb_pitch;            /* DEPTHPITCH. */
 322     uint32_t cbzb_format;           /* ZB_FORMAT. */
 323
 324     /* Whether the CBZB clear is allowed on the surface. */
 325     boolean cbzb_allowed;
 326 };
 327
 328 struct r300_texture_desc {
 329     /* Width, height, and depth.
 330      * Most of the time, these are equal to pipe_texture::width0, height0,
 331      * and depth0. However, NPOT 3D textures must have dimensions aligned
 332      * to POT, and this is the only case when these variables differ from
 333      * pipe_texture. */
 334     unsigned width0, height0, depth0;
 335
 336     /* Buffer tiling.
 337      * Macrotiling is specified per-level because small mipmaps cannot
 338      * be macrotiled. */
 339     enum r300_buffer_tiling microtile;
 340     enum r300_buffer_tiling macrotile[R300_MAX_TEXTURE_LEVELS];
 341
 342     /* Offsets into the buffer. */
 343     unsigned offset_in_bytes[R300_MAX_TEXTURE_LEVELS];
 344
 345     /* Strides for each mip-level. */
 346     unsigned stride_in_pixels[R300_MAX_TEXTURE_LEVELS];
 347     unsigned stride_in_bytes[R300_MAX_TEXTURE_LEVELS];
 348
 349     /* Size of one zslice or face or 2D image based on the texture target. */
 350     unsigned layer_size_in_bytes[R300_MAX_TEXTURE_LEVELS];
 351
 352     /* Total size of this texture, in bytes,
 353      * derived from the texture properties. */
 354     unsigned size_in_bytes;
 355
 356     /* Total size of the buffer backing this texture, in bytes.
 357      * It must be >= size. */
 358     unsigned buffer_size_in_bytes;
 359
 360     /**
 361      * If non-zero, override the natural texture layout with
 362      * a custom stride (in bytes).
 363      *
 364      * \note Mipmapping fails for textures with a non-natural layout!
 365      *
 366      * \sa r300_texture_get_stride
 367      */
 368     unsigned stride_in_bytes_override;
 369
 370     /* Whether this texture has non-power-of-two dimensions.
 371      * It can be either a regular texture or a rectangle one. */
 372     boolean is_npot;
 373
 374     /* This flag says that hardware must use the stride for addressing
 375      * instead of the width. */
 376     boolean uses_stride_addressing;
 377
 378     /* Whether CBZB fast color clear is allowed on the miplevel. */
 379     boolean cbzb_allowed[R300_MAX_TEXTURE_LEVELS];
 380
 381     /* Zbuffer compression info for each miplevel. */
 382     boolean zcomp8x8[R300_MAX_TEXTURE_LEVELS];
 383     /* If zero, then disable Z compression/HiZ. */
 384     unsigned zmask_dwords[R300_MAX_TEXTURE_LEVELS];
 385     unsigned hiz_dwords[R300_MAX_TEXTURE_LEVELS];
 386     /* Zmask/HiZ strides for each miplevel. */
 387     unsigned zmask_stride_in_pixels[R300_MAX_TEXTURE_LEVELS];
 388     unsigned hiz_stride_in_pixels[R300_MAX_TEXTURE_LEVELS];
 389 };
 390
 391 struct r300_resource
 392 {
 393     struct u_vbuf_resource b;
 394
 395     /* Winsys buffer backing this resource. */
 396     struct r300_winsys_bo *buf;
 397     struct r300_winsys_cs_handle *cs_buf;
 398     enum r300_buffer_domain domain;
 399     unsigned buf_size;
 400
 401     /* Constant buffers are in user memory. */
 402     uint8_t *constant_buffer;
 403
 404     /* Texture description (addressing, layout, special features). */
 405     struct r300_texture_desc tex;
 406
 407     /* Registers carrying texture format data. */
 408     /* Only format-independent bits should be filled in. */
 409     struct r300_texture_format_state tx_format;
 410
 411     /* Where the texture starts in the buffer. */
 412     unsigned tex_offset;
 413
 414     /* This is the level tiling flags were last time set for.
 415      * It's used to prevent redundant tiling-flags changes from happening.*/
 416     unsigned surface_level;
 417 };
 418
 419 struct r300_vertex_element_state {
 420     unsigned count;
 421     struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 422     unsigned format_size[PIPE_MAX_ATTRIBS];
 423
 424     struct u_vbuf_mgr_elements *vmgr_elements;
 425
 426     /* The size of the vertex, in dwords. */
 427     unsigned vertex_size_dwords;
 428
 429     struct r300_vertex_stream_state vertex_stream;
 430 };
 431
 432 enum r300_hiz_func {
 433     HIZ_FUNC_NONE,
 434
 435     /* The function, when determined, is set in stone
 436      * until the next HiZ clear. */
 437
 438     /* MAX is written to the HiZ buffer.
 439      * Used for LESS, LEQUAL. */
 440     HIZ_FUNC_MAX,
 441
 442     /* MIN is written to the HiZ buffer.
 443      * Used for GREATER, GEQUAL. */
 444     HIZ_FUNC_MIN,
 445 };
 446
 447 struct r300_context {
 448     /* Parent class */
 449     struct pipe_context context;
 450
 451     /* The interface to the windowing system, etc. */
 452     struct r300_winsys_screen *rws;
 453     /* The command stream. */
 454     struct r300_winsys_cs *cs;
 455     /* Screen. */
 456     struct r300_screen *screen;
 457
 458     /* Draw module. Used mostly for SW TCL. */
 459     struct draw_context* draw;
 460     /* Vertex buffer for SW TCL. */
 461     struct pipe_resource* vbo;
 462     /* Offset and size into the SW TCL VBO. */
 463     size_t draw_vbo_offset;
 464     size_t draw_vbo_size;
 465     /* Whether the VBO must not be flushed. */
 466     boolean draw_vbo_locked;
 467     boolean draw_first_emitted;
 468
 469     /* Accelerated blit support. */
 470     struct blitter_context* blitter;
 471     /* Stencil two-sided reference value fallback. */
 472     struct r300_stencilref_context *stencilref_fallback;
 473
 474     /* The KIL opcode needs the first texture unit to be enabled
 475      * on r3xx-r4xx. In order to calm down the CS checker, we bind this
 476      * dummy texture there. */
 477     struct r300_sampler_view *texkill_sampler;
 478
 479     /* When no vertex buffer is set, this one is used instead to prevent
 480      * hardlocks. */
 481     struct pipe_resource *dummy_vb;
 482
 483     /* The currently active query. */
 484     struct r300_query *query_current;
 485     /* The saved query for blitter operations. */
 486     struct r300_query *blitter_saved_query;
 487     /* Query list. */
 488     struct r300_query query_list;
 489
 490     /* Various CSO state objects. */
 491
 492     /* Each atom is emitted in the order it appears here, which can affect
 493      * performance and stability if not handled with care. */
 494     /* GPU flush. */
 495     struct r300_atom gpu_flush;
 496     /* Anti-aliasing (MSAA) state. */
 497     struct r300_atom aa_state;
 498     /* Framebuffer state. */
 499     struct r300_atom fb_state;
 500     /* HyperZ state (various SC/ZB bits). */
 501     struct r300_atom hyperz_state;
 502     /* ZTOP state. */
 503     struct r300_atom ztop_state;
 504     /* Depth, stencil, and alpha state. */
 505     struct r300_atom dsa_state;
 506     /* Blend state. */
 507     struct r300_atom blend_state;
 508     /* Blend color state. */
 509     struct r300_atom blend_color_state;
 510     /* Scissor state. */
 511     struct r300_atom scissor_state;
 512     /* Invariant state. This must be emitted to get the engine started. */
 513     struct r300_atom invariant_state;
 514     /* Viewport state. */
 515     struct r300_atom viewport_state;
 516     /* PVS flush. */
 517     struct r300_atom pvs_flush;
 518     /* VAP invariant state. */
 519     struct r300_atom vap_invariant_state;
 520     /* Vertex stream formatting state. */
 521     struct r300_atom vertex_stream_state;
 522     /* Vertex shader. */
 523     struct r300_atom vs_state;
 524     /* User clip planes. */
 525     struct r300_atom clip_state;
 526     /* RS block state + VAP (vertex shader) output mapping state. */
 527     struct r300_atom rs_block_state;
 528     /* Rasterizer state. */
 529     struct r300_atom rs_state;
 530     /* Framebuffer state (pipelined regs). */
 531     struct r300_atom fb_state_pipelined;
 532     /* Fragment shader. */
 533     struct r300_atom fs;
 534     /* Fragment shader RC_CONSTANT_STATE variables. */
 535     struct r300_atom fs_rc_constant_state;
 536     /* Fragment shader constant buffer. */
 537     struct r300_atom fs_constants;
 538     /* Vertex shader constant buffer. */
 539     struct r300_atom vs_constants;
 540     /* Texture cache invalidate. */
 541     struct r300_atom texture_cache_inval;
 542     /* Textures state. */
 543     struct r300_atom textures_state;
 544     /* HiZ clear */
 545     struct r300_atom hiz_clear;
 546     /* zmask clear */
 547     struct r300_atom zmask_clear;
 548     /* Occlusion query. */
 549     struct r300_atom query_start;
 550
 551     /* The pointers to the first and the last atom. */
 552     struct r300_atom *first_dirty, *last_dirty;
 553
 554     /* Vertex elements for Gallium. */
 555     struct r300_vertex_element_state *velems;
 556
 557     struct pipe_index_buffer index_buffer;
 558
 559     /* Vertex info for Draw. */
 560     struct vertex_info vertex_info;
 561
 562     struct pipe_stencil_ref stencil_ref;
 563     struct pipe_viewport_state viewport;
 564
 565     /* Stream locations for SWTCL. */
 566     int stream_loc_notcl[16];
 567
 568     /* Flag indicating whether or not the HW is dirty. */
 569     uint32_t dirty_hw;
 570     /* Whether polygon offset is enabled. */
 571     boolean polygon_offset_enabled;
 572     /* Z buffer bit depth. */
 573     uint32_t zbuffer_bpp;
 574     /* Whether rendering is conditional and should be skipped. */
 575     boolean skip_rendering;
 576     /* Point sprites texcoord index,  1 bit per texcoord */
 577     int sprite_coord_enable;
 578     /* Whether two-sided color selection is enabled (AKA light_twoside). */
 579     boolean two_sided_color;
 580     /* Whether fast color clear is enabled. */
 581     boolean cbzb_clear;
 582     /* Whether ZMASK is enabled. */
 583     boolean zmask_in_use;
 584     /* Whether ZMASK is being decompressed. */
 585     boolean zmask_decompress;
 586     /* Whether ZMASK/HIZ is locked, i.e. should be disabled and cannot be taken over. */
 587     boolean hyperz_locked;
 588     /* The zbuffer the ZMASK of which is locked. */
 589     struct pipe_surface *locked_zbuffer;
 590     /* Whether HIZ is enabled. */
 591     boolean hiz_in_use;
 592     /* HiZ function. Can be either MIN or MAX. */
 593     enum r300_hiz_func hiz_func;
 594     /* HiZ clear value. */
 595     uint32_t hiz_clear_value;
 596
 597     void *dsa_decompress_zmask;
 598
 599     struct u_vbuf_mgr *vbuf_mgr;
 600
 601     struct util_slab_mempool pool_transfers;
 602
 603     /* Stat counter. */
 604     uint64_t flush_counter;
 605
 606     /* const tracking for VS */
 607     int vs_const_base;
 608
 609     /* Vertex array state info */
 610     boolean vertex_arrays_dirty;
 611     boolean vertex_arrays_indexed;
 612     int vertex_arrays_offset;
 613 };
 614
 615 #define foreach_atom(r300, atom) \
 616     for (atom = &r300->gpu_flush; atom != (&r300->query_start)+1; atom++)
 617
 618 #define foreach_dirty_atom(r300, atom) \
 619     for (atom = r300->first_dirty; atom != r300->last_dirty; atom++)
 620
 621 /* Convenience cast wrappers. */
 622 static INLINE struct r300_query* r300_query(struct pipe_query* q)
 623 {
 624     return (struct r300_query*)q;
 625 }
 626
 627 static INLINE struct r300_surface* r300_surface(struct pipe_surface* surf)
 628 {
 629     return (struct r300_surface*)surf;
 630 }
 631
 632 static INLINE struct r300_resource* r300_resource(struct pipe_resource* tex)
 633 {
 634     return (struct r300_resource*)tex;
 635 }
 636
 637 static INLINE struct r300_context* r300_context(struct pipe_context* context)
 638 {
 639     return (struct r300_context*)context;
 640 }
 641
 642 static INLINE struct r300_fragment_shader *r300_fs(struct r300_context *r300)
 643 {
 644     return (struct r300_fragment_shader*)r300->fs.state;
 645 }
 646
 647 static INLINE void r300_mark_atom_dirty(struct r300_context *r300,
 648                                         struct r300_atom *atom)
 649 {
 650     atom->dirty = TRUE;
 651
 652     if (!r300->first_dirty) {
 653         r300->first_dirty = atom;
 654         r300->last_dirty = atom+1;
 655     } else {
 656         if (atom < r300->first_dirty)
 657             r300->first_dirty = atom;
 658         else if (atom+1 > r300->last_dirty)
 659             r300->last_dirty = atom+1;
 660     }
 661 }
 662
 663 struct pipe_context* r300_create_context(struct pipe_screen* screen,
 664                                          void *priv);
 665
 666 void r300_flush_cb(void *data);
 667
 668 /* Context initialization. */
 669 struct draw_stage* r300_draw_stage(struct r300_context* r300);
 670 void r300_init_blit_functions(struct r300_context *r300);
 671 void r300_init_flush_functions(struct r300_context* r300);
 672 void r300_init_query_functions(struct r300_context* r300);
 673 void r300_init_render_functions(struct r300_context *r300);
 674 void r300_init_state_functions(struct r300_context* r300);
 675 void r300_init_resource_functions(struct r300_context* r300);
 676
 677 /* r300_blit.c */
 678 void r300_decompress_zmask(struct r300_context *r300);
 679 void r300_decompress_zmask_locked_unsafe(struct r300_context *r300);
 680 void r300_decompress_zmask_locked(struct r300_context *r300);
 681
 682 /* r300_hyperz.c */
 683 void r300_update_hyperz_state(struct r300_context* r300);
 684
 685 /* r300_query.c */
 686 void r300_resume_query(struct r300_context *r300,
 687                        struct r300_query *query);
 688 void r300_stop_query(struct r300_context *r300);
 689
 690 /* r300_render_translate.c */
 691 void r300_translate_index_buffer(struct r300_context *r300,
 692                                  struct pipe_resource **index_buffer,
 693                                  unsigned *index_size, unsigned index_offset,
 694                                  unsigned *start, unsigned count);
 695
 696 /* r300_render_stencilref.c */
 697 void r300_plug_in_stencil_ref_fallback(struct r300_context *r300);
 698
 699 /* r300_render.c */
 700 void r300_draw_flush_vbuf(struct r300_context *r300);
 701 void r500_emit_index_bias(struct r300_context *r300, int index_bias);
 702
 703 /* r300_state.c */
 704 enum r300_fb_state_change {
 705     R300_CHANGED_FB_STATE = 0,
 706     R300_CHANGED_HYPERZ_FLAG,
 707     R300_CHANGED_MULTIWRITE
 708 };
 709
 710 void r300_mark_fb_state_dirty(struct r300_context *r300,
 711                               enum r300_fb_state_change change);
 712 void r300_mark_fs_code_dirty(struct r300_context *r300);
 713
 714 /* r300_state_derived.c */
 715 void r300_update_derived_state(struct r300_context* r300);
 716
 717 /* r300_debug.c */
 718 void r500_dump_rs_block(struct r300_rs_block *rs);
 719
 720
 721 static INLINE boolean CTX_DBG_ON(struct r300_context * ctx, unsigned flags)
 722 {
 723     return SCREEN_DBG_ON(ctx->screen, flags);
 724 }
 725
 726 static INLINE void CTX_DBG(struct r300_context * ctx, unsigned flags,
 727                        const char * fmt, ...)
 728 {
 729     if (CTX_DBG_ON(ctx, flags)) {
 730         va_list va;
 731         va_start(va, fmt);
 732         vfprintf(stderr, fmt, va);
 733         va_end(va);
 734     }
 735 }
 736
 737 #define DBG_ON  CTX_DBG_ON
 738 #define DBG     CTX_DBG
 739
 740 #endif /* R300_CONTEXT_H */