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    GLuint Swizzle;
  36 };
  37
  38 #define ATI_FRAGMENT_SHADER_COLOR_OP 0
  39 #define ATI_FRAGMENT_SHADER_ALPHA_OP 1
  40 #define ATI_FRAGMENT_SHADER_PASS_OP  2
  41 #define ATI_FRAGMENT_SHADER_SAMPLE_OP 3
  42
  43 /* two opcodes - one for color/one for alpha */
  44 /* up to three source registers for most ops */
  45 struct atifs_instruction
  46 {
  47    GLenum Opcode[2];
  48    GLuint ArgCount[2];
  49    struct atifragshader_src_register SrcReg[2][3];
  50    struct atifragshader_dst_register DstReg[2];
  51 };
  52
  53 /* different from arithmetic shader instruction */
  54 struct atifs_setupinst
  55 {
  56    GLenum Opcode;
  57    GLuint src;
  58    GLenum swizzle;
  59 };
  60
  61 extern GLuint GLAPIENTRY _mesa_GenFragmentShadersATI(GLuint range);
  62
  63 extern void GLAPIENTRY _mesa_BindFragmentShaderATI(GLuint id);
  64
  65 extern void GLAPIENTRY _mesa_DeleteFragmentShaderATI(GLuint id);
  66
  67 extern void GLAPIENTRY _mesa_BeginFragmentShaderATI(void);
  68
  69 extern void GLAPIENTRY _mesa_EndFragmentShaderATI(void);
  70
  71 extern void GLAPIENTRY
  72 _mesa_PassTexCoordATI(GLuint dst, GLuint coord, GLenum swizzle);
  73
  74 extern void GLAPIENTRY
  75 _mesa_SampleMapATI(GLuint dst, GLuint interp, GLenum swizzle);
  76
  77 extern void GLAPIENTRY
  78 _mesa_ColorFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMask,
  79                           GLuint dstMod, GLuint arg1, GLuint arg1Rep,
  80                           GLuint arg1Mod);
  81
  82 extern void GLAPIENTRY
  83 _mesa_ColorFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMask,
  84                           GLuint dstMod, GLuint arg1, GLuint arg1Rep,
  85                           GLuint arg1Mod, GLuint arg2, GLuint arg2Rep,
  86                           GLuint arg2Mod);
  87
  88 extern void GLAPIENTRY
  89 _mesa_ColorFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMask,
  90                           GLuint dstMod, GLuint arg1, GLuint arg1Rep,
  91                           GLuint arg1Mod, GLuint arg2, GLuint arg2Rep,
  92                           GLuint arg2Mod, GLuint arg3, GLuint arg3Rep,
  93                           GLuint arg3Mod);
  94
  95 extern void GLAPIENTRY
  96 _mesa_AlphaFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
  97                           GLuint arg1Rep, GLuint arg1Mod);
  98
  99 extern void GLAPIENTRY
 100 _mesa_AlphaFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
 101                           GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,
 102                           GLuint arg2Rep, GLuint arg2Mod);
 103
 104 extern void GLAPIENTRY
 105 _mesa_AlphaFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
 106                           GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,
 107                           GLuint arg2Rep, GLuint arg2Mod, GLuint arg3,
 108                           GLuint arg3Rep, GLuint arg3Mod);
 109
 110 extern void GLAPIENTRY
 111 _mesa_SetFragmentShaderConstantATI(GLuint dst, const GLfloat * value);
 112
 113 #endif