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Viewing changes to src/mesa/program/arbprogparse.c

  • Committer: mmach
  • Date: 2023-11-02 21:31:35 UTC
  • Revision ID: netbit73@gmail.com-20231102213135-18d4tzh7tj0uz752
2023-11-02 22:11:57

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src/mesa/program/arbprogparse.c
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#include "main/context.h"
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#include "arbprogparse.h"
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#include "programopt.h"
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#include "prog_parameter.h"
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#include "prog_statevars.h"
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#include "prog_instruction.h"
 
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#include "prog_print.h"
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#include "program_parser.h"
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   program->info.fs.pixel_center_integer = state.option.PixelCenterInteger;
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   program->info.fs.uses_discard = state.fragment.UsesKill;
 
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   program->arb.Fog = state.option.Fog;
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   ralloc_free(program->arb.Instructions);
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   program->arb.Instructions = prog.arb.Instructions;
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      _mesa_free_parameter_list(program->Parameters);
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   program->Parameters    = prog.Parameters;
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   /* Append fog instructions now if the program has "OPTION ARB_fog_exp"
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    * or similar.  We used to leave this up to drivers, but it appears
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    * there's no hardware that wants to do fog in a discrete stage separate
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    * from the fragment shader.
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    */
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   if (state.option.Fog != OPTION_NONE) {
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      static const GLenum fog_modes[4] = {
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         GL_NONE, GL_EXP, GL_EXP2, GL_LINEAR
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      };
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      /* XXX: we should somehow recompile this to remove clamping if disabled
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       * On the ATI driver, this is unclampled if fragment clamping is disabled
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       */
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      _mesa_append_fog_code(ctx, program, fog_modes[state.option.Fog], GL_TRUE);
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   }
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#if DEBUG_FP
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   printf("____________Fragment program %u ________\n", program->Id);
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   _mesa_print_program(&program->Base);
 
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   _mesa_print_program(program);
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#endif
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}
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