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  1. /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
  2.  
  3. /*
  4.  * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
  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 (including the next
  14.  * paragraph) shall be included in all copies or substantial portions of the
  15.  * Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22.  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23.  * SOFTWARE.
  24.  *
  25.  * Authors:
  26.  *    Rob Clark <robclark@freedesktop.org>
  27.  */
  28.  
  29. #ifndef FD4_CONTEXT_H_
  30. #define FD4_CONTEXT_H_
  31.  
  32. #include "freedreno_drmif.h"
  33.  
  34. #include "freedreno_context.h"
  35.  
  36. #include "ir3_shader.h"
  37.  
  38. struct fd4_context {
  39.         struct fd_context base;
  40.  
  41.         /* Keep track of writes to RB_RENDER_CONTROL which need to be patched
  42.          * once we know whether or not to use GMEM, and GMEM tile pitch.
  43.          */
  44.         struct util_dynarray rbrc_patches;
  45.  
  46.         struct fd_bo *vs_pvt_mem, *fs_pvt_mem;
  47.  
  48.         /* This only needs to be 4 * num_of_pipes bytes (ie. 32 bytes).  We
  49.          * could combine it with another allocation.
  50.          */
  51.         struct fd_bo *vsc_size_mem;
  52.  
  53.         /* vertex buf used for clear/gmem->mem vertices, and mem->gmem
  54.          * vertices:
  55.          */
  56.         struct pipe_resource *solid_vbuf;
  57.  
  58.         /* vertex buf used for mem->gmem tex coords:
  59.          */
  60.         struct pipe_resource *blit_texcoord_vbuf;
  61.  
  62.         /* vertex state for solid_vbuf:
  63.          *    - solid_vbuf / 12 / R32G32B32_FLOAT
  64.          */
  65.         struct fd_vertex_state solid_vbuf_state;
  66.  
  67.         /* vertex state for blit_prog:
  68.          *    - blit_texcoord_vbuf / 8 / R32G32_FLOAT
  69.          *    - solid_vbuf / 12 / R32G32B32_FLOAT
  70.          */
  71.         struct fd_vertex_state blit_vbuf_state;
  72.  
  73.         /* if *any* of bits are set in {v,f}saturate_{s,t,r} */
  74.         bool vsaturate, fsaturate;
  75.  
  76.         /* bitmask of sampler which needs coords clamped for vertex
  77.          * shader:
  78.          */
  79.         uint16_t vsaturate_s, vsaturate_t, vsaturate_r;
  80.  
  81.         /* bitmask of sampler which needs coords clamped for frag
  82.          * shader:
  83.          */
  84.         uint16_t fsaturate_s, fsaturate_t, fsaturate_r;
  85.  
  86.         /* bitmask of integer texture samplers */
  87.         uint16_t vinteger_s, finteger_s;
  88.  
  89.         /* some state changes require a different shader variant.  Keep
  90.          * track of this so we know when we need to re-emit shader state
  91.          * due to variant change.  See fixup_shader_state()
  92.          */
  93.         struct ir3_shader_key last_key;
  94. };
  95.  
  96. static INLINE struct fd4_context *
  97. fd4_context(struct fd_context *ctx)
  98. {
  99.         return (struct fd4_context *)ctx;
  100. }
  101.  
  102. struct pipe_context *
  103. fd4_context_create(struct pipe_screen *pscreen, void *priv);
  104.  
  105. #endif /* FD4_CONTEXT_H_ */
  106.