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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@lunarg.com>
  26.  */
  27.  
  28. #ifndef ILO_STATE_H
  29. #define ILO_STATE_H
  30.  
  31. #include "ilo_common.h"
  32.  
  33. /**
  34.  * States that we track.
  35.  *
  36.  * XXX Do we want to count each sampler or vertex buffer as a state?  If that
  37.  * is the case, there are simply not enough bits.
  38.  *
  39.  * XXX We want to treat primitive type and depth clear value as states, but
  40.  * there are not enough bits.
  41.  */
  42. enum ilo_state {
  43.    ILO_STATE_VB,
  44.    ILO_STATE_VE,
  45.    ILO_STATE_IB,
  46.    ILO_STATE_VS,
  47.    ILO_STATE_GS,
  48.    ILO_STATE_SO,
  49.    ILO_STATE_CLIP,
  50.    ILO_STATE_VIEWPORT,
  51.    ILO_STATE_SCISSOR,
  52.    ILO_STATE_RASTERIZER,
  53.    ILO_STATE_POLY_STIPPLE,
  54.    ILO_STATE_SAMPLE_MASK,
  55.    ILO_STATE_FS,
  56.    ILO_STATE_DSA,
  57.    ILO_STATE_STENCIL_REF,
  58.    ILO_STATE_BLEND,
  59.    ILO_STATE_BLEND_COLOR,
  60.    ILO_STATE_FB,
  61.  
  62.    ILO_STATE_SAMPLER_VS,
  63.    ILO_STATE_SAMPLER_GS,
  64.    ILO_STATE_SAMPLER_FS,
  65.    ILO_STATE_SAMPLER_CS,
  66.    ILO_STATE_VIEW_VS,
  67.    ILO_STATE_VIEW_GS,
  68.    ILO_STATE_VIEW_FS,
  69.    ILO_STATE_VIEW_CS,
  70.    ILO_STATE_CBUF,
  71.    ILO_STATE_RESOURCE,
  72.  
  73.    ILO_STATE_CS,
  74.    ILO_STATE_CS_RESOURCE,
  75.    ILO_STATE_GLOBAL_BINDING,
  76.  
  77.    ILO_STATE_COUNT,
  78. };
  79.  
  80. /**
  81.  * Dirty flags of the states.
  82.  */
  83. enum ilo_dirty_flags {
  84.    ILO_DIRTY_VB               = 1 << ILO_STATE_VB,
  85.    ILO_DIRTY_VE               = 1 << ILO_STATE_VE,
  86.    ILO_DIRTY_IB               = 1 << ILO_STATE_IB,
  87.    ILO_DIRTY_VS               = 1 << ILO_STATE_VS,
  88.    ILO_DIRTY_GS               = 1 << ILO_STATE_GS,
  89.    ILO_DIRTY_SO               = 1 << ILO_STATE_SO,
  90.    ILO_DIRTY_CLIP             = 1 << ILO_STATE_CLIP,
  91.    ILO_DIRTY_VIEWPORT         = 1 << ILO_STATE_VIEWPORT,
  92.    ILO_DIRTY_SCISSOR          = 1 << ILO_STATE_SCISSOR,
  93.    ILO_DIRTY_RASTERIZER       = 1 << ILO_STATE_RASTERIZER,
  94.    ILO_DIRTY_POLY_STIPPLE     = 1 << ILO_STATE_POLY_STIPPLE,
  95.    ILO_DIRTY_SAMPLE_MASK      = 1 << ILO_STATE_SAMPLE_MASK,
  96.    ILO_DIRTY_FS               = 1 << ILO_STATE_FS,
  97.    ILO_DIRTY_DSA              = 1 << ILO_STATE_DSA,
  98.    ILO_DIRTY_STENCIL_REF      = 1 << ILO_STATE_STENCIL_REF,
  99.    ILO_DIRTY_BLEND            = 1 << ILO_STATE_BLEND,
  100.    ILO_DIRTY_BLEND_COLOR      = 1 << ILO_STATE_BLEND_COLOR,
  101.    ILO_DIRTY_FB               = 1 << ILO_STATE_FB,
  102.    ILO_DIRTY_SAMPLER_VS       = 1 << ILO_STATE_SAMPLER_VS,
  103.    ILO_DIRTY_SAMPLER_GS       = 1 << ILO_STATE_SAMPLER_GS,
  104.    ILO_DIRTY_SAMPLER_FS       = 1 << ILO_STATE_SAMPLER_FS,
  105.    ILO_DIRTY_SAMPLER_CS       = 1 << ILO_STATE_SAMPLER_CS,
  106.    ILO_DIRTY_VIEW_VS          = 1 << ILO_STATE_VIEW_VS,
  107.    ILO_DIRTY_VIEW_GS          = 1 << ILO_STATE_VIEW_GS,
  108.    ILO_DIRTY_VIEW_FS          = 1 << ILO_STATE_VIEW_FS,
  109.    ILO_DIRTY_VIEW_CS          = 1 << ILO_STATE_VIEW_CS,
  110.    ILO_DIRTY_CBUF             = 1 << ILO_STATE_CBUF,
  111.    ILO_DIRTY_RESOURCE         = 1 << ILO_STATE_RESOURCE,
  112.    ILO_DIRTY_CS               = 1 << ILO_STATE_CS,
  113.    ILO_DIRTY_CS_RESOURCE      = 1 << ILO_STATE_CS_RESOURCE,
  114.    ILO_DIRTY_GLOBAL_BINDING   = 1 << ILO_STATE_GLOBAL_BINDING,
  115.    ILO_DIRTY_ALL              = 0xffffffff,
  116. };
  117.  
  118. struct pipe_draw_info;
  119. struct pipe_resource;
  120. struct ilo_context;
  121.  
  122. void
  123. ilo_init_state_functions(struct ilo_context *ilo);
  124.  
  125. void
  126. ilo_init_states(struct ilo_context *ilo);
  127.  
  128. void
  129. ilo_cleanup_states(struct ilo_context *ilo);
  130.  
  131. void
  132. ilo_finalize_3d_states(struct ilo_context *ilo,
  133.                        const struct pipe_draw_info *draw);
  134.  
  135. void
  136. ilo_mark_states_with_resource_dirty(struct ilo_context *ilo,
  137.                                     const struct pipe_resource *res);
  138.  
  139. #endif /* ILO_STATE_H */
  140.