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 extern struct ati_fs_opcode_st ati_fs_opcodes[];
29
30 struct atifragshader_src_register
31 {
32 GLuint Index;
33 GLuint argRep;
34 GLuint argMod;
35 };
36
37 struct 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 */
51 struct 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 */
60 struct atifs_setupinst
61 {
62 GLenum Opcode;
63 GLuint src;
64 GLenum swizzle;
65 };
66
67
68 #if FEATURE_ATI_fragment_shader
69
70 extern void
71 _mesa_init_ati_fragment_shader_dispatch(struct _glapi_table *disp);
72
73 extern struct ati_fragment_shader *
74 _mesa_new_ati_fragment_shader(struct gl_context *ctx, GLuint id);
75
76 extern void
77 _mesa_delete_ati_fragment_shader(struct gl_context *ctx,
78 struct ati_fragment_shader *s);
79
80
81 extern GLuint GLAPIENTRY _mesa_GenFragmentShadersATI(GLuint range);
82
83 extern void GLAPIENTRY _mesa_BindFragmentShaderATI(GLuint id);
84
85 extern void GLAPIENTRY _mesa_DeleteFragmentShaderATI(GLuint id);
86
87 extern void GLAPIENTRY _mesa_BeginFragmentShaderATI(void);
88
89 extern void GLAPIENTRY _mesa_EndFragmentShaderATI(void);
90
91 extern void GLAPIENTRY
92 _mesa_PassTexCoordATI(GLuint dst, GLuint coord, GLenum swizzle);
93
94 extern void GLAPIENTRY
95 _mesa_SampleMapATI(GLuint dst, GLuint interp, GLenum swizzle);
96
97 extern void GLAPIENTRY
98 _mesa_ColorFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMask,
99 GLuint dstMod, GLuint arg1, GLuint arg1Rep,
100 GLuint arg1Mod);
101
102 extern 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
108 extern 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
115 extern void GLAPIENTRY
116 _mesa_AlphaFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
117 GLuint arg1Rep, GLuint arg1Mod);
118
119 extern 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
124 extern 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
130 extern void GLAPIENTRY
131 _mesa_SetFragmentShaderConstantATI(GLuint dst, const GLfloat * value);
132
133 #else /* FEATURE_ATI_fragment_shader */
134
135 static inline void
_mesa_init_ati_fragment_shader_dispatch(struct _glapi_table * disp)136 _mesa_init_ati_fragment_shader_dispatch(struct _glapi_table *disp)
137 {
138 }
139
140 static inline struct ati_fragment_shader *
_mesa_new_ati_fragment_shader(struct gl_context * ctx,GLuint id)141 _mesa_new_ati_fragment_shader(struct gl_context *ctx, GLuint id)
142 {
143 return NULL;
144 }
145
146 static inline void
_mesa_delete_ati_fragment_shader(struct gl_context * ctx,struct ati_fragment_shader * s)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