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5563 serge 1 
/*
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 * Mesa 3-D graphics library
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 *
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 * Copyright (C) 2012-2013 LunarG, Inc.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included
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 * in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * DEALINGS IN THE SOFTWARE.
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 *
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 * Authors:
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 *    Chia-I Wu
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 */
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#ifndef ILO_STATE_H
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#define ILO_STATE_H
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#include "ilo_common.h"
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/**
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 * States that we track.
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 *
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 * XXX Do we want to count each sampler or vertex buffer as a state?  If that
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 * is the case, there are simply not enough bits.
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 *
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 * XXX We want to treat primitive type and depth clear value as states, but
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 * there are not enough bits.
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 */
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enum ilo_state {
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   ILO_STATE_VB,
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   ILO_STATE_VE,
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   ILO_STATE_IB,
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   ILO_STATE_VS,
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   ILO_STATE_GS,
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   ILO_STATE_SO,
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   ILO_STATE_CLIP,
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   ILO_STATE_VIEWPORT,
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   ILO_STATE_SCISSOR,
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   ILO_STATE_RASTERIZER,
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   ILO_STATE_POLY_STIPPLE,
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   ILO_STATE_SAMPLE_MASK,
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   ILO_STATE_FS,
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   ILO_STATE_DSA,
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   ILO_STATE_STENCIL_REF,
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   ILO_STATE_BLEND,
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   ILO_STATE_BLEND_COLOR,
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   ILO_STATE_FB,
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   ILO_STATE_SAMPLER_VS,
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   ILO_STATE_SAMPLER_GS,
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   ILO_STATE_SAMPLER_FS,
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   ILO_STATE_SAMPLER_CS,
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   ILO_STATE_VIEW_VS,
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   ILO_STATE_VIEW_GS,
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   ILO_STATE_VIEW_FS,
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   ILO_STATE_VIEW_CS,
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   ILO_STATE_CBUF,
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   ILO_STATE_RESOURCE,
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   ILO_STATE_CS,
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   ILO_STATE_CS_RESOURCE,
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   ILO_STATE_GLOBAL_BINDING,
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   ILO_STATE_COUNT,
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};
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/**
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 * Dirty flags of the states.
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 */
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enum ilo_dirty_flags {
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   ILO_DIRTY_VB               = 1 << ILO_STATE_VB,
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   ILO_DIRTY_VE               = 1 << ILO_STATE_VE,
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   ILO_DIRTY_IB               = 1 << ILO_STATE_IB,
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   ILO_DIRTY_VS               = 1 << ILO_STATE_VS,
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   ILO_DIRTY_GS               = 1 << ILO_STATE_GS,
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   ILO_DIRTY_SO               = 1 << ILO_STATE_SO,
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   ILO_DIRTY_CLIP             = 1 << ILO_STATE_CLIP,
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   ILO_DIRTY_VIEWPORT         = 1 << ILO_STATE_VIEWPORT,
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   ILO_DIRTY_SCISSOR          = 1 << ILO_STATE_SCISSOR,
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   ILO_DIRTY_RASTERIZER       = 1 << ILO_STATE_RASTERIZER,
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   ILO_DIRTY_POLY_STIPPLE     = 1 << ILO_STATE_POLY_STIPPLE,
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   ILO_DIRTY_SAMPLE_MASK      = 1 << ILO_STATE_SAMPLE_MASK,
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   ILO_DIRTY_FS               = 1 << ILO_STATE_FS,
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   ILO_DIRTY_DSA              = 1 << ILO_STATE_DSA,
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   ILO_DIRTY_STENCIL_REF      = 1 << ILO_STATE_STENCIL_REF,
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   ILO_DIRTY_BLEND            = 1 << ILO_STATE_BLEND,
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   ILO_DIRTY_BLEND_COLOR      = 1 << ILO_STATE_BLEND_COLOR,
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   ILO_DIRTY_FB               = 1 << ILO_STATE_FB,
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   ILO_DIRTY_SAMPLER_VS       = 1 << ILO_STATE_SAMPLER_VS,
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   ILO_DIRTY_SAMPLER_GS       = 1 << ILO_STATE_SAMPLER_GS,
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   ILO_DIRTY_SAMPLER_FS       = 1 << ILO_STATE_SAMPLER_FS,
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   ILO_DIRTY_SAMPLER_CS       = 1 << ILO_STATE_SAMPLER_CS,
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   ILO_DIRTY_VIEW_VS          = 1 << ILO_STATE_VIEW_VS,
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   ILO_DIRTY_VIEW_GS          = 1 << ILO_STATE_VIEW_GS,
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   ILO_DIRTY_VIEW_FS          = 1 << ILO_STATE_VIEW_FS,
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   ILO_DIRTY_VIEW_CS          = 1 << ILO_STATE_VIEW_CS,
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   ILO_DIRTY_CBUF             = 1 << ILO_STATE_CBUF,
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   ILO_DIRTY_RESOURCE         = 1 << ILO_STATE_RESOURCE,
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   ILO_DIRTY_CS               = 1 << ILO_STATE_CS,
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   ILO_DIRTY_CS_RESOURCE      = 1 << ILO_STATE_CS_RESOURCE,
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   ILO_DIRTY_GLOBAL_BINDING   = 1 << ILO_STATE_GLOBAL_BINDING,
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   ILO_DIRTY_ALL              = 0xffffffff,
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};
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struct pipe_draw_info;
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struct pipe_resource;
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struct ilo_context;
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void
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ilo_init_state_functions(struct ilo_context *ilo);
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void
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ilo_init_states(struct ilo_context *ilo);
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void
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ilo_cleanup_states(struct ilo_context *ilo);
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void
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ilo_finalize_3d_states(struct ilo_context *ilo,
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                       const struct pipe_draw_info *draw);
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void
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ilo_mark_states_with_resource_dirty(struct ilo_context *ilo,
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                                    const struct pipe_resource *res);
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#endif /* ILO_STATE_H */