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