src/mesa/shader/atifragshader.h

   1 /*
   2  * Mesa 3-D graphics library ATI Fragment Shader
   3  *
   4  * Copyright (C) 2004  David Airlie   All Rights Reserved.
   5  *
   6  */
   7
   8 #ifndef ATIFRAGSHADER_H
   9 #define ATIFRAGSHADER_H
  10
  11 #include "main/mtypes.h"
  12
  13 #define MAX_NUM_INSTRUCTIONS_PER_PASS_ATI 8
  14 #define MAX_NUM_PASSES_ATI                2
  15 #define MAX_NUM_FRAGMENT_REGISTERS_ATI    6
  16
  17 struct ati_fs_opcode_st
  18 {
  19    GLenum opcode;
  20    GLint num_src_args;
  21 };
  22
  23 extern struct ati_fs_opcode_st ati_fs_opcodes[];
  24
  25 struct atifragshader_src_register
  26 {
  27    GLuint Index;
  28    GLuint argRep;
  29    GLuint argMod;
  30 };
  31
  32 struct atifragshader_dst_register
  33 {
  34    GLuint Index;
  35    GLuint dstMod;
  36    GLuint dstMask;
  37 };
  38
  39 #define ATI_FRAGMENT_SHADER_COLOR_OP 0
  40 #define ATI_FRAGMENT_SHADER_ALPHA_OP 1
  41 #define ATI_FRAGMENT_SHADER_PASS_OP  2
  42 #define ATI_FRAGMENT_SHADER_SAMPLE_OP 3
  43
  44 /* two opcodes - one for color/one for alpha */
  45 /* up to three source registers for most ops */
  46 struct atifs_instruction
  47 {
  48    GLenum Opcode[2];
  49    GLuint ArgCount[2];
  50    struct atifragshader_src_register SrcReg[2][3];
  51    struct atifragshader_dst_register DstReg[2];
  52 };
  53
  54 /* different from arithmetic shader instruction */
  55 struct atifs_setupinst
  56 {
  57    GLenum Opcode;
  58    GLuint src;
  59    GLenum swizzle;
  60 };
  61
  62
  63 extern struct ati_fragment_shader *
  64 _mesa_new_ati_fragment_shader(GLcontext *ctx, GLuint id);
  65
  66 extern void
  67 _mesa_delete_ati_fragment_shader(GLcontext *ctx,
  68                                  struct ati_fragment_shader *s);
  69
  70
  71 extern GLuint GLAPIENTRY _mesa_GenFragmentShadersATI(GLuint range);
  72
  73 extern void GLAPIENTRY _mesa_BindFragmentShaderATI(GLuint id);
  74
  75 extern void GLAPIENTRY _mesa_DeleteFragmentShaderATI(GLuint id);
  76
  77 extern void GLAPIENTRY _mesa_BeginFragmentShaderATI(void);
  78
  79 extern void GLAPIENTRY _mesa_EndFragmentShaderATI(void);
  80
  81 extern void GLAPIENTRY
  82 _mesa_PassTexCoordATI(GLuint dst, GLuint coord, GLenum swizzle);
  83
  84 extern void GLAPIENTRY
  85 _mesa_SampleMapATI(GLuint dst, GLuint interp, GLenum swizzle);
  86
  87 extern void GLAPIENTRY
  88 _mesa_ColorFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMask,
  89                           GLuint dstMod, GLuint arg1, GLuint arg1Rep,
  90                           GLuint arg1Mod);
  91
  92 extern void GLAPIENTRY
  93 _mesa_ColorFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMask,
  94                           GLuint dstMod, GLuint arg1, GLuint arg1Rep,
  95                           GLuint arg1Mod, GLuint arg2, GLuint arg2Rep,
  96                           GLuint arg2Mod);
  97
  98 extern void GLAPIENTRY
  99 _mesa_ColorFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMask,
 100                           GLuint dstMod, GLuint arg1, GLuint arg1Rep,
 101                           GLuint arg1Mod, GLuint arg2, GLuint arg2Rep,
 102                           GLuint arg2Mod, GLuint arg3, GLuint arg3Rep,
 103                           GLuint arg3Mod);
 104
 105 extern void GLAPIENTRY
 106 _mesa_AlphaFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
 107                           GLuint arg1Rep, GLuint arg1Mod);
 108
 109 extern void GLAPIENTRY
 110 _mesa_AlphaFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
 111                           GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,
 112                           GLuint arg2Rep, GLuint arg2Mod);
 113
 114 extern void GLAPIENTRY
 115 _mesa_AlphaFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
 116                           GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,
 117                           GLuint arg2Rep, GLuint arg2Mod, GLuint arg3,
 118                           GLuint arg3Rep, GLuint arg3Mod);
 119
 120 extern void GLAPIENTRY
 121 _mesa_SetFragmentShaderConstantATI(GLuint dst, const GLfloat * value);
 122
 123 #endif