src/gallium/drivers/freedreno/a3xx/fd3_context.h

   1 /*
   2  * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #ifndef FD3_CONTEXT_H_
  28 #define FD3_CONTEXT_H_
  29
  30 #include "util/u_upload_mgr.h"
  31
  32 #include "freedreno_context.h"
  33
  34 #include "ir3/ir3_shader.h"
  35
  36
  37 struct fd3_context {
  38         struct fd_context base;
  39
  40         struct fd_bo *vs_pvt_mem, *fs_pvt_mem;
  41
  42         /* This only needs to be 4 * num_of_pipes bytes (ie. 32 bytes).  We
  43          * could combine it with another allocation.
  44          */
  45         struct fd_bo *vsc_size_mem;
  46
  47         struct u_upload_mgr *border_color_uploader;
  48         struct pipe_resource *border_color_buf;
  49
  50         /* if *any* of bits are set in {v,f}saturate_{s,t,r} */
  51         bool vsaturate, fsaturate;
  52
  53         /* bitmask of sampler which needs coords clamped for vertex
  54          * shader:
  55          */
  56         unsigned vsaturate_s, vsaturate_t, vsaturate_r;
  57
  58         /* bitmask of sampler which needs coords clamped for frag
  59          * shader:
  60          */
  61         unsigned fsaturate_s, fsaturate_t, fsaturate_r;
  62
  63         /* some state changes require a different shader variant.  Keep
  64          * track of this so we know when we need to re-emit shader state
  65          * due to variant change.  See fixup_shader_state()
  66          */
  67         struct ir3_shader_key last_key;
  68 };
  69
  70 static inline struct fd3_context *
  71 fd3_context(struct fd_context *ctx)
  72 {
  73         return (struct fd3_context *)ctx;
  74 }
  75
  76 struct pipe_context *
  77 fd3_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
  78
  79 #endif /* FD3_CONTEXT_H_ */