src/gallium/drivers/freedreno/a4xx/fd4_context.h

   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         unsigned vsaturate_s, vsaturate_t, vsaturate_r;
  80
  81         /* bitmask of sampler which needs coords clamped for frag
  82          * shader:
  83          */
  84         unsigned fsaturate_s, fsaturate_t, fsaturate_r;
  85
  86         /* some state changes require a different shader variant.  Keep
  87          * track of this so we know when we need to re-emit shader state
  88          * due to variant change.  See fixup_shader_state()
  89          */
  90         struct ir3_shader_key last_key;
  91 };
  92
  93 static INLINE struct fd4_context *
  94 fd4_context(struct fd_context *ctx)
  95 {
  96         return (struct fd4_context *)ctx;
  97 }
  98
  99 struct pipe_context *
 100 fd4_context_create(struct pipe_screen *pscreen, void *priv);
 101
 102 #endif /* FD4_CONTEXT_H_ */