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