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Member "mesa-20.1.8/src/gallium/drivers/svga/svga_tgsi.h" (16 Sep 2020, 2874 Bytes) of package /linux/misc/mesa-20.1.8.tar.xz:


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    1 /**********************************************************
    2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
    3  *
    4  * Permission is hereby granted, free of charge, to any person
    5  * obtaining a copy of this software and associated documentation
    6  * files (the "Software"), to deal in the Software without
    7  * restriction, including without limitation the rights to use, copy,
    8  * modify, merge, publish, distribute, sublicense, and/or sell copies
    9  * of the Software, and to permit persons to whom the Software is
   10  * furnished to do so, subject to the following conditions:
   11  *
   12  * The above copyright notice and this permission notice shall be
   13  * included in all copies or substantial portions of the Software.
   14  *
   15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   22  * SOFTWARE.
   23  *
   24  **********************************************************/
   25 
   26 #ifndef SVGA_TGSI_H
   27 #define SVGA_TGSI_H
   28 
   29 #include "pipe/p_compiler.h"
   30 #include "svga3d_reg.h"
   31 
   32 
   33 #define MAX_VGPU10_ADDR_REGS 2
   34 
   35 struct svga_compile_key;
   36 struct svga_context;
   37 struct svga_shader;
   38 struct svga_shader_variant;
   39 
   40 
   41 /* TGSI doesn't provide use with VS input semantics (they're actually
   42  * pretty meaningless), so we just generate some plausible ones here.
   43  * This is called both from within the TGSI translator and when
   44  * building vdecls to ensure they match up.
   45  *
   46  * The real use of this information is matching vertex elements to
   47  * fragment shader inputs in the case where vertex shader is disabled.
   48  */
   49 static inline void svga_generate_vdecl_semantics( unsigned idx,
   50                                                   unsigned *usage,
   51                                                   unsigned *usage_index )
   52 {
   53    if (idx == 0) {
   54       *usage = SVGA3D_DECLUSAGE_POSITION;
   55       *usage_index = 0;
   56    }
   57    else {
   58       *usage = SVGA3D_DECLUSAGE_TEXCOORD;
   59       *usage_index = idx - 1;
   60    }
   61 }
   62 
   63 
   64 
   65 struct svga_shader_variant *
   66 svga_tgsi_vgpu9_translate(struct svga_context *svga,
   67                           const struct svga_shader *shader,
   68                           const struct svga_compile_key *key,
   69                           enum pipe_shader_type unit);
   70 
   71 struct svga_shader_variant *
   72 svga_tgsi_vgpu10_translate(struct svga_context *svga,
   73                            const struct svga_shader *shader,
   74                            const struct svga_compile_key *key,
   75                            enum pipe_shader_type unit);
   76 
   77 boolean svga_shader_verify(const uint32_t *tokens, unsigned nr_tokens);
   78 
   79 #endif