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 void
  67 _mesa_init_ati_fragment_shader_dispatch(struct _glapi_table *disp);
  68
  69 extern struct ati_fragment_shader *
  70 _mesa_new_ati_fragment_shader(struct gl_context *ctx, GLuint id);
  71
  72 extern void
  73 _mesa_delete_ati_fragment_shader(struct gl_context *ctx,
  74                                  struct ati_fragment_shader *s);
  75
  76
  77 extern GLuint GLAPIENTRY _mesa_GenFragmentShadersATI(GLuint range);
  78
  79 extern void GLAPIENTRY _mesa_BindFragmentShaderATI(GLuint id);
  80
  81 extern void GLAPIENTRY _mesa_DeleteFragmentShaderATI(GLuint id);
  82
  83 extern void GLAPIENTRY _mesa_BeginFragmentShaderATI(void);
  84
  85 extern void GLAPIENTRY _mesa_EndFragmentShaderATI(void);
  86
  87 extern void GLAPIENTRY
  88 _mesa_PassTexCoordATI(GLuint dst, GLuint coord, GLenum swizzle);
  89
  90 extern void GLAPIENTRY
  91 _mesa_SampleMapATI(GLuint dst, GLuint interp, GLenum swizzle);
  92
  93 extern void GLAPIENTRY
  94 _mesa_ColorFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMask,
  95                           GLuint dstMod, GLuint arg1, GLuint arg1Rep,
  96                           GLuint arg1Mod);
  97
  98 extern void GLAPIENTRY
  99 _mesa_ColorFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMask,
 100                           GLuint dstMod, GLuint arg1, GLuint arg1Rep,
 101                           GLuint arg1Mod, GLuint arg2, GLuint arg2Rep,
 102                           GLuint arg2Mod);
 103
 104 extern void GLAPIENTRY
 105 _mesa_ColorFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMask,
 106                           GLuint dstMod, GLuint arg1, GLuint arg1Rep,
 107                           GLuint arg1Mod, GLuint arg2, GLuint arg2Rep,
 108                           GLuint arg2Mod, GLuint arg3, GLuint arg3Rep,
 109                           GLuint arg3Mod);
 110
 111 extern void GLAPIENTRY
 112 _mesa_AlphaFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
 113                           GLuint arg1Rep, GLuint arg1Mod);
 114
 115 extern void GLAPIENTRY
 116 _mesa_AlphaFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
 117                           GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,
 118                           GLuint arg2Rep, GLuint arg2Mod);
 119
 120 extern void GLAPIENTRY
 121 _mesa_AlphaFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
 122                           GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,
 123                           GLuint arg2Rep, GLuint arg2Mod, GLuint arg3,
 124                           GLuint arg3Rep, GLuint arg3Mod);
 125
 126 extern void GLAPIENTRY
 127 _mesa_SetFragmentShaderConstantATI(GLuint dst, const GLfloat * value);
 128
 129
 130 #endif /* ATIFRAGSHADER_H */