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 15struct _glapi_table; 16struct 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 22struct ati_fs_opcode_st 23{ 24 GLenum opcode; 25 GLint num_src_args; 26}; 27 28extern struct ati_fs_opcode_st ati_fs_opcodes[]; 29 30struct atifragshader_src_register 31{ 32 GLuint Index; 33 GLuint argRep; 34 GLuint argMod; 35}; 36 37struct atifragshader_dst_register 38{ 39 GLuint Index; 40 GLuint dstMod; 41 GLuint dstMask; 42}; 43 44#define ATI_FRAGMENT_SHADER_COLOR_OP 0 45#define ATI_FRAGMENT_SHADER_ALPHA_OP 1 46#define ATI_FRAGMENT_SHADER_PASS_OP 2 47#define ATI_FRAGMENT_SHADER_SAMPLE_OP 3 48 49/* two opcodes - one for color/one for alpha */ 50/* up to three source registers for most ops */ 51struct atifs_instruction 52{ 53 GLenum Opcode[2]; 54 GLuint ArgCount[2]; 55 struct atifragshader_src_register SrcReg[2][3]; 56 struct atifragshader_dst_register DstReg[2]; 57}; 58 59/* different from arithmetic shader instruction */ 60struct atifs_setupinst 61{ 62 GLenum Opcode; 63 GLuint src; 64 GLenum swizzle; 65}; 66 67 68#if FEATURE_ATI_fragment_shader 69 70extern void 71_mesa_init_ati_fragment_shader_dispatch(struct _glapi_table *disp); 72 73extern struct ati_fragment_shader * 74_mesa_new_ati_fragment_shader(struct gl_context *ctx, GLuint id); 75 76extern void 77_mesa_delete_ati_fragment_shader(struct gl_context *ctx, 78 struct ati_fragment_shader *s); 79 80 81extern GLuint GLAPIENTRY _mesa_GenFragmentShadersATI(GLuint range); 82 83extern void GLAPIENTRY _mesa_BindFragmentShaderATI(GLuint id); 84 85extern void GLAPIENTRY _mesa_DeleteFragmentShaderATI(GLuint id); 86 87extern void GLAPIENTRY _mesa_BeginFragmentShaderATI(void); 88 89extern void GLAPIENTRY _mesa_EndFragmentShaderATI(void); 90 91extern void GLAPIENTRY 92_mesa_PassTexCoordATI(GLuint dst, GLuint coord, GLenum swizzle); 93 94extern void GLAPIENTRY 95_mesa_SampleMapATI(GLuint dst, GLuint interp, GLenum swizzle); 96 97extern void GLAPIENTRY 98_mesa_ColorFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMask, 99 GLuint dstMod, GLuint arg1, GLuint arg1Rep, 100 GLuint arg1Mod); 101 102extern void GLAPIENTRY 103_mesa_ColorFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMask, 104 GLuint dstMod, GLuint arg1, GLuint arg1Rep, 105 GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, 106 GLuint arg2Mod); 107 108extern void GLAPIENTRY 109_mesa_ColorFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMask, 110 GLuint dstMod, GLuint arg1, GLuint arg1Rep, 111 GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, 112 GLuint arg2Mod, GLuint arg3, GLuint arg3Rep, 113 GLuint arg3Mod); 114 115extern void GLAPIENTRY 116_mesa_AlphaFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1, 117 GLuint arg1Rep, GLuint arg1Mod); 118 119extern void GLAPIENTRY 120_mesa_AlphaFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1, 121 GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, 122 GLuint arg2Rep, GLuint arg2Mod); 123 124extern void GLAPIENTRY 125_mesa_AlphaFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1, 126 GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, 127 GLuint arg2Rep, GLuint arg2Mod, GLuint arg3, 128 GLuint arg3Rep, GLuint arg3Mod); 129 130extern void GLAPIENTRY 131_mesa_SetFragmentShaderConstantATI(GLuint dst, const GLfloat * value); 132 133#else /* FEATURE_ATI_fragment_shader */ 134 135static inline void 136_mesa_init_ati_fragment_shader_dispatch(struct _glapi_table *disp) 137{ 138} 139 140static inline struct ati_fragment_shader * 141_mesa_new_ati_fragment_shader(struct gl_context *ctx, GLuint id) 142{ 143 return NULL; 144} 145 146static inline void 147_mesa_delete_ati_fragment_shader(struct gl_context *ctx, 148 struct ati_fragment_shader *s) 149{ 150} 151 152#endif /* FEATURE_ATI_fragment_shader */ 153 154#endif /* ATIFRAGSHADER_H */ 155