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