src/mesa/main/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 "glheader.h"
  12
  13
  14 struct gl_context;
  15
  16 #define MAX_NUM_INSTRUCTIONS_PER_PASS_ATI 8
  17 #define MAX_NUM_PASSES_ATI                2
  18 #define MAX_NUM_FRAGMENT_REGISTERS_ATI    6
  19 #define MAX_NUM_FRAGMENT_CONSTANTS_ATI    8
  20
  21 struct ati_fs_opcode_st
  22 {
  23    GLenum opcode;
  24    GLint num_src_args;
  25 };
  26
  27 struct atifragshader_src_register
  28 {
  29    GLuint Index;
  30    GLuint argRep;
  31    GLuint argMod;
  32 };
  33
  34 struct atifragshader_dst_register
  35 {
  36    GLuint Index;
  37    GLuint dstMod;
  38    GLuint dstMask;
  39 };
  40
  41 #define ATI_FRAGMENT_SHADER_COLOR_OP 0
  42 #define ATI_FRAGMENT_SHADER_ALPHA_OP 1
  43 #define ATI_FRAGMENT_SHADER_PASS_OP  2
  44 #define ATI_FRAGMENT_SHADER_SAMPLE_OP 3
  45
  46 /* two opcodes - one for color/one for alpha */
  47 /* up to three source registers for most ops */
  48 struct atifs_instruction
  49 {
  50    GLenum Opcode[2];
  51    GLuint ArgCount[2];
  52    struct atifragshader_src_register SrcReg[2][3];
  53    struct atifragshader_dst_register DstReg[2];
  54 };
  55
  56 /* different from arithmetic shader instruction */
  57 struct atifs_setupinst
  58 {
  59    GLenum Opcode;
  60    GLuint src;
  61    GLenum swizzle;
  62 };
  63
  64
  65 extern struct ati_fragment_shader *
  66 _mesa_new_ati_fragment_shader(struct gl_context *ctx, GLuint id);
  67
  68 extern void
  69 _mesa_delete_ati_fragment_shader(struct gl_context *ctx,
  70                                  struct ati_fragment_shader *s);
  71
  72
  73 extern GLuint GLAPIENTRY _mesa_GenFragmentShadersATI(GLuint range);
  74
  75 extern void GLAPIENTRY _mesa_BindFragmentShaderATI(GLuint id);
  76
  77 extern void GLAPIENTRY _mesa_DeleteFragmentShaderATI(GLuint id);
  78
  79 extern void GLAPIENTRY _mesa_BeginFragmentShaderATI(void);
  80
  81 extern void GLAPIENTRY _mesa_EndFragmentShaderATI(void);
  82
  83 extern void GLAPIENTRY
  84 _mesa_PassTexCoordATI(GLuint dst, GLuint coord, GLenum swizzle);
  85
  86 extern void GLAPIENTRY
  87 _mesa_SampleMapATI(GLuint dst, GLuint interp, GLenum swizzle);
  88
  89 extern void GLAPIENTRY
  90 _mesa_ColorFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMask,
  91                           GLuint dstMod, GLuint arg1, GLuint arg1Rep,
  92                           GLuint arg1Mod);
  93
  94 extern void GLAPIENTRY
  95 _mesa_ColorFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMask,
  96                           GLuint dstMod, GLuint arg1, GLuint arg1Rep,
  97                           GLuint arg1Mod, GLuint arg2, GLuint arg2Rep,
  98                           GLuint arg2Mod);
  99
 100 extern void GLAPIENTRY
 101 _mesa_ColorFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMask,
 102                           GLuint dstMod, GLuint arg1, GLuint arg1Rep,
 103                           GLuint arg1Mod, GLuint arg2, GLuint arg2Rep,
 104                           GLuint arg2Mod, GLuint arg3, GLuint arg3Rep,
 105                           GLuint arg3Mod);
 106
 107 extern void GLAPIENTRY
 108 _mesa_AlphaFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
 109                           GLuint arg1Rep, GLuint arg1Mod);
 110
 111 extern void GLAPIENTRY
 112 _mesa_AlphaFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
 113                           GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,
 114                           GLuint arg2Rep, GLuint arg2Mod);
 115
 116 extern void GLAPIENTRY
 117 _mesa_AlphaFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
 118                           GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,
 119                           GLuint arg2Rep, GLuint arg2Mod, GLuint arg3,
 120                           GLuint arg3Rep, GLuint arg3Mod);
 121
 122 extern void GLAPIENTRY
 123 _mesa_SetFragmentShaderConstantATI(GLuint dst, const GLfloat * value);
 124
 125
 126 #endif /* ATIFRAGSHADER_H */