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Member "mesa-20.1.8/src/gallium/auxiliary/draw/draw_fs.c" (16 Sep 2020, 2409 Bytes) of package /linux/misc/mesa-20.1.8.tar.xz:


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    1 /**************************************************************************
    2  *
    3  * Copyright 2010 VMware, Inc.
    4  * All Rights Reserved.
    5  *
    6  * Permission is hereby granted, free of charge, to any person obtaining a
    7  * copy of this software and associated documentation files (the
    8  * "Software"), to deal in the Software without restriction, including
    9  * without limitation the rights to use, copy, modify, merge, publish,
   10  * distribute, sub license, and/or sell copies of the Software, and to
   11  * permit persons to whom the Software is furnished to do so, subject to
   12  * the following conditions:
   13  *
   14  * The above copyright notice and this permission notice (including the
   15  * next paragraph) shall be included in all copies or substantial portions
   16  * of the Software.
   17  *
   18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
   21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
   22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   25  *
   26  **************************************************************************/
   27 
   28 #include "pipe/p_shader_tokens.h"
   29 
   30 #include "util/u_math.h"
   31 #include "util/u_memory.h"
   32 #include "util/u_prim.h"
   33 
   34 #include "tgsi/tgsi_parse.h"
   35 #include "nir/nir_to_tgsi_info.h"
   36 
   37 #include "draw_fs.h"
   38 #include "draw_private.h"
   39 #include "draw_context.h"
   40 
   41 
   42 struct draw_fragment_shader *
   43 draw_create_fragment_shader(struct draw_context *draw,
   44                             const struct pipe_shader_state *shader)
   45 {
   46    struct draw_fragment_shader *dfs;
   47 
   48    dfs = CALLOC_STRUCT(draw_fragment_shader);
   49    if (dfs) {
   50       dfs->base = *shader;
   51       if (shader->type == PIPE_SHADER_IR_TGSI)
   52          tgsi_scan_shader(shader->tokens, &dfs->info);
   53       else
   54          nir_tgsi_scan_shader(shader->ir.nir, &dfs->info, true);
   55    }
   56 
   57    return dfs;
   58 }
   59 
   60 
   61 void
   62 draw_bind_fragment_shader(struct draw_context *draw,
   63                           struct draw_fragment_shader *dfs)
   64 {
   65    draw_do_flush(draw, DRAW_FLUSH_STATE_CHANGE);
   66 
   67    draw->fs.fragment_shader = dfs;
   68 }
   69 
   70 
   71 void
   72 draw_delete_fragment_shader(struct draw_context *draw,
   73                             struct draw_fragment_shader *dfs)
   74 {
   75    FREE(dfs);
   76 }
   77