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      1 /*
      2  * Mesa 3-D graphics library
      3  *
      4  * Copyright (C) 2012-2013 LunarG, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included
     14  * in all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     22  * DEALINGS IN THE SOFTWARE.
     23  *
     24  * Authors:
     25  *    Chia-I Wu <olv (at) lunarg.com>
     26  */
     27 
     28 #ifndef ILO_STATE_H
     29 #define ILO_STATE_H
     30 
     31 #include "core/ilo_builder_3d.h" /* for gen6_3dprimitive_info */
     32 #include "core/ilo_state_cc.h"
     33 #include "core/ilo_state_compute.h"
     34 #include "core/ilo_state_raster.h"
     35 #include "core/ilo_state_sampler.h"
     36 #include "core/ilo_state_sbe.h"
     37 #include "core/ilo_state_shader.h"
     38 #include "core/ilo_state_sol.h"
     39 #include "core/ilo_state_surface.h"
     40 #include "core/ilo_state_urb.h"
     41 #include "core/ilo_state_vf.h"
     42 #include "core/ilo_state_viewport.h"
     43 #include "core/ilo_state_zs.h"
     44 #include "pipe/p_state.h"
     45 #include "util/u_dynarray.h"
     46 
     47 #include "ilo_common.h"
     48 
     49 /**
     50  * \see brw_context.h
     51  */
     52 #define ILO_MAX_DRAW_BUFFERS    8
     53 #define ILO_MAX_CONST_BUFFERS   (1 + 12)
     54 #define ILO_MAX_SAMPLER_VIEWS   16
     55 #define ILO_MAX_SAMPLERS        16
     56 #define ILO_MAX_SO_BINDINGS     64
     57 #define ILO_MAX_SO_BUFFERS      4
     58 #define ILO_MAX_VIEWPORTS       1
     59 
     60 #define ILO_MAX_SURFACES        256
     61 
     62 /**
     63  * States that we track.
     64  *
     65  * XXX Do we want to count each sampler or vertex buffer as a state?  If that
     66  * is the case, there are simply not enough bits.
     67  *
     68  * XXX We want to treat primitive type and depth clear value as states, but
     69  * there are not enough bits.
     70  */
     71 enum ilo_state {
     72    ILO_STATE_VB,
     73    ILO_STATE_VE,
     74    ILO_STATE_IB,
     75    ILO_STATE_VS,
     76    ILO_STATE_GS,
     77    ILO_STATE_SO,
     78    ILO_STATE_CLIP,
     79    ILO_STATE_VIEWPORT,
     80    ILO_STATE_SCISSOR,
     81    ILO_STATE_RASTERIZER,
     82    ILO_STATE_POLY_STIPPLE,
     83    ILO_STATE_SAMPLE_MASK,
     84    ILO_STATE_FS,
     85    ILO_STATE_DSA,
     86    ILO_STATE_STENCIL_REF,
     87    ILO_STATE_BLEND,
     88    ILO_STATE_BLEND_COLOR,
     89    ILO_STATE_FB,
     90 
     91    ILO_STATE_SAMPLER_VS,
     92    ILO_STATE_SAMPLER_GS,
     93    ILO_STATE_SAMPLER_FS,
     94    ILO_STATE_SAMPLER_CS,
     95    ILO_STATE_VIEW_VS,
     96    ILO_STATE_VIEW_GS,
     97    ILO_STATE_VIEW_FS,
     98    ILO_STATE_VIEW_CS,
     99    ILO_STATE_CBUF,
    100    ILO_STATE_RESOURCE,
    101 
    102    ILO_STATE_CS,
    103    ILO_STATE_CS_RESOURCE,
    104    ILO_STATE_GLOBAL_BINDING,
    105 
    106    ILO_STATE_COUNT,
    107 };
    108 
    109 /**
    110  * Dirty flags of the states.
    111  */
    112 enum ilo_dirty_flags {
    113    ILO_DIRTY_VB               = 1 << ILO_STATE_VB,
    114    ILO_DIRTY_VE               = 1 << ILO_STATE_VE,
    115    ILO_DIRTY_IB               = 1 << ILO_STATE_IB,
    116    ILO_DIRTY_VS               = 1 << ILO_STATE_VS,
    117    ILO_DIRTY_GS               = 1 << ILO_STATE_GS,
    118    ILO_DIRTY_SO               = 1 << ILO_STATE_SO,
    119    ILO_DIRTY_CLIP             = 1 << ILO_STATE_CLIP,
    120    ILO_DIRTY_VIEWPORT         = 1 << ILO_STATE_VIEWPORT,
    121    ILO_DIRTY_SCISSOR          = 1 << ILO_STATE_SCISSOR,
    122    ILO_DIRTY_RASTERIZER       = 1 << ILO_STATE_RASTERIZER,
    123    ILO_DIRTY_POLY_STIPPLE     = 1 << ILO_STATE_POLY_STIPPLE,
    124    ILO_DIRTY_SAMPLE_MASK      = 1 << ILO_STATE_SAMPLE_MASK,
    125    ILO_DIRTY_FS               = 1 << ILO_STATE_FS,
    126    ILO_DIRTY_DSA              = 1 << ILO_STATE_DSA,
    127    ILO_DIRTY_STENCIL_REF      = 1 << ILO_STATE_STENCIL_REF,
    128    ILO_DIRTY_BLEND            = 1 << ILO_STATE_BLEND,
    129    ILO_DIRTY_BLEND_COLOR      = 1 << ILO_STATE_BLEND_COLOR,
    130    ILO_DIRTY_FB               = 1 << ILO_STATE_FB,
    131    ILO_DIRTY_SAMPLER_VS       = 1 << ILO_STATE_SAMPLER_VS,
    132    ILO_DIRTY_SAMPLER_GS       = 1 << ILO_STATE_SAMPLER_GS,
    133    ILO_DIRTY_SAMPLER_FS       = 1 << ILO_STATE_SAMPLER_FS,
    134    ILO_DIRTY_SAMPLER_CS       = 1 << ILO_STATE_SAMPLER_CS,
    135    ILO_DIRTY_VIEW_VS          = 1 << ILO_STATE_VIEW_VS,
    136    ILO_DIRTY_VIEW_GS          = 1 << ILO_STATE_VIEW_GS,
    137    ILO_DIRTY_VIEW_FS          = 1 << ILO_STATE_VIEW_FS,
    138    ILO_DIRTY_VIEW_CS          = 1 << ILO_STATE_VIEW_CS,
    139    ILO_DIRTY_CBUF             = 1 << ILO_STATE_CBUF,
    140    ILO_DIRTY_RESOURCE         = 1 << ILO_STATE_RESOURCE,
    141    ILO_DIRTY_CS               = 1 << ILO_STATE_CS,
    142    ILO_DIRTY_CS_RESOURCE      = 1 << ILO_STATE_CS_RESOURCE,
    143    ILO_DIRTY_GLOBAL_BINDING   = 1 << ILO_STATE_GLOBAL_BINDING,
    144    ILO_DIRTY_ALL              = 0xffffffff,
    145 };
    146 
    147 struct ilo_context;
    148 struct ilo_shader_state;
    149 
    150 struct ilo_ve_state {
    151    unsigned vb_mapping[PIPE_MAX_ATTRIBS];
    152    unsigned vb_count;
    153 
    154    /* these are not valid until the state is finalized */
    155    uint32_t vf_data[PIPE_MAX_ATTRIBS][4];
    156    struct ilo_state_vf_params_info vf_params;
    157    struct ilo_state_vf vf;
    158 };
    159 
    160 struct ilo_vb_state {
    161    struct pipe_vertex_buffer states[PIPE_MAX_ATTRIBS];
    162    struct ilo_state_vertex_buffer vb[PIPE_MAX_ATTRIBS];
    163    uint32_t enabled_mask;
    164 };
    165 
    166 struct ilo_ib_state {
    167    struct pipe_index_buffer state;
    168 
    169    /* these are not valid until the state is finalized */
    170    struct pipe_resource *hw_resource;
    171    unsigned hw_index_size;
    172    struct ilo_state_index_buffer ib;
    173 };
    174 
    175 struct ilo_cbuf_cso {
    176    struct pipe_resource *resource;
    177    struct ilo_state_surface_buffer_info info;
    178    struct ilo_state_surface surface;
    179 
    180    /*
    181     * this CSO is not so constant because user buffer needs to be uploaded in
    182     * finalize_constant_buffers()
    183     */
    184    const void *user_buffer;
    185 };
    186 
    187 struct ilo_sampler_cso {
    188    struct ilo_state_sampler sampler;
    189    struct ilo_state_sampler_border border;
    190    bool saturate_s;
    191    bool saturate_t;
    192    bool saturate_r;
    193 };
    194 
    195 struct ilo_sampler_state {
    196    const struct ilo_sampler_cso *cso[ILO_MAX_SAMPLERS];
    197 };
    198 
    199 struct ilo_cbuf_state {
    200    struct ilo_cbuf_cso cso[ILO_MAX_CONST_BUFFERS];
    201    uint32_t enabled_mask;
    202 };
    203 
    204 struct ilo_resource_state {
    205    struct pipe_surface *states[PIPE_MAX_SHADER_IMAGES];
    206    unsigned count;
    207 };
    208 
    209 struct ilo_view_cso {
    210    struct pipe_sampler_view base;
    211 
    212    struct ilo_state_surface surface;
    213 };
    214 
    215 struct ilo_view_state {
    216    struct pipe_sampler_view *states[ILO_MAX_SAMPLER_VIEWS];
    217    unsigned count;
    218 };
    219 
    220 struct ilo_stream_output_target {
    221    struct pipe_stream_output_target base;
    222 
    223    struct ilo_state_sol_buffer sb;
    224 };
    225 
    226 struct ilo_so_state {
    227    struct pipe_stream_output_target *states[ILO_MAX_SO_BUFFERS];
    228    unsigned count;
    229    unsigned append_bitmask;
    230 
    231    struct ilo_state_sol_buffer dummy_sb;
    232 
    233    bool enabled;
    234 };
    235 
    236 struct ilo_rasterizer_state {
    237    struct pipe_rasterizer_state state;
    238 
    239    /* these are invalid until finalize_rasterizer() */
    240    struct ilo_state_raster_info info;
    241    struct ilo_state_raster rs;
    242 };
    243 
    244 struct ilo_viewport_state {
    245    struct ilo_state_viewport_matrix_info matrices[ILO_MAX_VIEWPORTS];
    246    struct ilo_state_viewport_scissor_info scissors[ILO_MAX_VIEWPORTS];
    247    struct ilo_state_viewport_params_info params;
    248 
    249    struct pipe_viewport_state viewport0;
    250    struct pipe_scissor_state scissor0;
    251 
    252    struct ilo_state_viewport vp;
    253    uint32_t vp_data[20 * ILO_MAX_VIEWPORTS];
    254 };
    255 
    256 struct ilo_surface_cso {
    257    struct pipe_surface base;
    258 
    259    bool is_rt;
    260    union {
    261       struct ilo_state_surface rt;
    262       struct ilo_state_zs zs;
    263    } u;
    264 };
    265 
    266 struct ilo_fb_state {
    267    struct pipe_framebuffer_state state;
    268 
    269    struct ilo_state_surface null_rt;
    270    struct ilo_state_zs null_zs;
    271 
    272    struct ilo_fb_blend_caps {
    273       bool is_unorm;
    274       bool is_integer;
    275       bool force_dst_alpha_one;
    276 
    277       bool can_logicop;
    278       bool can_blend;
    279       bool can_alpha_test;
    280    } blend_caps[PIPE_MAX_COLOR_BUFS];
    281 
    282    unsigned num_samples;
    283 
    284    bool has_integer_rt;
    285    bool has_hiz;
    286    enum gen_depth_format depth_offset_format;
    287 };
    288 
    289 struct ilo_dsa_state {
    290    struct ilo_state_cc_depth_info depth;
    291 
    292    struct ilo_state_cc_stencil_info stencil;
    293    struct {
    294       uint8_t test_mask;
    295       uint8_t write_mask;
    296    } stencil_front, stencil_back;
    297 
    298    bool alpha_test;
    299    float alpha_ref;
    300    enum gen_compare_function alpha_func;
    301 };
    302 
    303 struct ilo_blend_state {
    304    struct ilo_state_cc_blend_rt_info rt[PIPE_MAX_COLOR_BUFS];
    305    struct ilo_state_cc_blend_rt_info dummy_rt;
    306    bool dual_blend;
    307 
    308    /* these are invalid until finalize_blend() */
    309    struct ilo_state_cc_blend_rt_info effective_rt[PIPE_MAX_COLOR_BUFS];
    310    struct ilo_state_cc_info info;
    311    struct ilo_state_cc cc;
    312    bool alpha_may_kill;
    313 };
    314 
    315 struct ilo_global_binding_cso {
    316    struct pipe_resource *resource;
    317    uint32_t *handle;
    318 };
    319 
    320 /*
    321  * In theory, we would like a "virtual" bo that serves as the global memory
    322  * region.  The virtual bo would reserve a region in the GTT aperture, but the
    323  * pages of it would come from those of the global bindings.
    324  *
    325  * The virtual bo would be created in launch_grid().  The global bindings
    326  * would be added to the virtual bo.  A SURFACE_STATE for the virtual bo would
    327  * be created.  The handles returned by set_global_binding() would be offsets
    328  * into the virtual bo.
    329  *
    330  * But for now, we will create a SURFACE_STATE for each of the bindings.  The
    331  * handle of a global binding consists of the offset and the binding table
    332  * index.
    333  */
    334 struct ilo_global_binding {
    335    struct util_dynarray bindings;
    336    unsigned count;
    337 };
    338 
    339 struct ilo_state_vector {
    340    const struct pipe_draw_info *draw;
    341    struct gen6_3dprimitive_info draw_info;
    342 
    343    uint32_t dirty;
    344 
    345    struct ilo_vb_state vb;
    346    struct ilo_ve_state *ve;
    347    struct ilo_ib_state ib;
    348 
    349    struct ilo_shader_state *vs;
    350    struct ilo_shader_state *gs;
    351 
    352    struct ilo_state_hs disabled_hs;
    353    struct ilo_state_ds disabled_ds;
    354    struct ilo_state_gs disabled_gs;
    355 
    356    struct ilo_so_state so;
    357 
    358    struct pipe_clip_state clip;
    359 
    360    struct ilo_viewport_state viewport;
    361 
    362    struct ilo_rasterizer_state *rasterizer;
    363 
    364    struct ilo_state_line_stipple line_stipple;
    365    struct ilo_state_poly_stipple poly_stipple;
    366    unsigned sample_mask;
    367 
    368    struct ilo_shader_state *fs;
    369 
    370    struct ilo_state_cc_params_info cc_params;
    371    struct pipe_stencil_ref stencil_ref;
    372    const struct ilo_dsa_state *dsa;
    373    struct ilo_blend_state *blend;
    374 
    375    struct ilo_fb_state fb;
    376 
    377    struct ilo_state_urb urb;
    378 
    379    /* shader resources */
    380    struct ilo_sampler_state sampler[PIPE_SHADER_TYPES];
    381    struct ilo_view_state view[PIPE_SHADER_TYPES];
    382    struct ilo_cbuf_state cbuf[PIPE_SHADER_TYPES];
    383    struct ilo_resource_state resource;
    384 
    385    struct ilo_state_sampler disabled_sampler;
    386 
    387    /* GPGPU */
    388    struct ilo_shader_state *cs;
    389    struct ilo_resource_state cs_resource;
    390    struct ilo_global_binding global_binding;
    391 };
    392 
    393 void
    394 ilo_init_state_functions(struct ilo_context *ilo);
    395 
    396 void
    397 ilo_finalize_3d_states(struct ilo_context *ilo,
    398                        const struct pipe_draw_info *draw);
    399 
    400 void
    401 ilo_finalize_compute_states(struct ilo_context *ilo);
    402 
    403 void
    404 ilo_state_vector_init(const struct ilo_dev *dev,
    405                       struct ilo_state_vector *vec);
    406 
    407 void
    408 ilo_state_vector_cleanup(struct ilo_state_vector *vec);
    409 
    410 void
    411 ilo_state_vector_resource_renamed(struct ilo_state_vector *vec,
    412                                   struct pipe_resource *res);
    413 
    414 void
    415 ilo_state_vector_dump_dirty(const struct ilo_state_vector *vec);
    416 
    417 #endif /* ILO_STATE_H */
    418