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45516216 | 1 | typedef unsigned char GLboolean; |
2 | typedef unsigned int GLbitfield; | |
3 | typedef unsigned int GLuint; | |
4 | typedef float GLfloat; | |
5 | typedef struct __GLcontextRec GLcontext; | |
6 | struct gl_texture_attrib { | |
7 | }; | |
8 | enum register_file { | |
9 | PROGRAM_TEMPORARY = 0, PROGRAM_LOCAL_PARAM = 1, PROGRAM_ENV_PARAM = | |
10 | 2, PROGRAM_STATE_VAR = 3, PROGRAM_INPUT = 4, PROGRAM_OUTPUT = | |
11 | 5, PROGRAM_NAMED_PARAM = 6, PROGRAM_CONSTANT = 7, PROGRAM_UNIFORM = | |
12 | 8, PROGRAM_VARYING = 9, PROGRAM_WRITE_ONLY = 10, PROGRAM_ADDRESS = | |
13 | 11, PROGRAM_SAMPLER = 12, PROGRAM_UNDEFINED = 13, PROGRAM_FILE_MAX | |
14 | }; | |
15 | struct gl_fragment_program_state { | |
16 | GLboolean _Enabled; | |
17 | struct gl_fragment_program *_TexEnvProgram; | |
18 | }; | |
19 | struct gl_shader_state { | |
20 | struct gl_shader_program *CurrentProgram; | |
21 | }; | |
22 | struct gl_constants { | |
23 | GLuint MaxTextureUnits; | |
24 | } GLvertexformat; | |
25 | struct __GLcontextRec { | |
26 | struct gl_constants Const; | |
27 | struct gl_fragment_program_state FragmentProgram; | |
28 | struct gl_shader_state Shader; | |
29 | }; | |
30 | typedef enum prog_opcode { | |
31 | OPCODE_NOP = | |
32 | 0, OPCODE_ABS, OPCODE_ADD, OPCODE_ARA, OPCODE_ARL, OPCODE_ARL_NV, | |
33 | OPCODE_ARR, OPCODE_BGNLOOP, OPCODE_BGNSUB, OPCODE_BRA, OPCODE_BRK, | |
34 | OPCODE_CAL, OPCODE_CMP, OPCODE_CONT, OPCODE_COS, OPCODE_DDX, | |
35 | OPCODE_DDY, OPCODE_DP3, OPCODE_DP4, OPCODE_DPH, OPCODE_DST, | |
36 | OPCODE_ELSE, OPCODE_END, OPCODE_ENDIF, OPCODE_ENDLOOP, | |
37 | OPCODE_ENDSUB, OPCODE_EX2, OPCODE_EXP, OPCODE_FLR, OPCODE_FRC, | |
38 | OPCODE_IF, OPCODE_INT, OPCODE_KIL, OPCODE_KIL_NV, OPCODE_LG2, | |
39 | OPCODE_LIT, OPCODE_LOG, OPCODE_LRP, OPCODE_MAD, OPCODE_MAX, | |
40 | OPCODE_MIN, OPCODE_MOV, OPCODE_MUL, OPCODE_NOISE1, OPCODE_NOISE2, | |
41 | OPCODE_NOISE3, OPCODE_NOISE4, OPCODE_PK2H, OPCODE_PK2US, | |
42 | OPCODE_PK4B, OPCODE_PK4UB, OPCODE_POW, OPCODE_POPA, OPCODE_PRINT, | |
43 | OPCODE_PUSHA, OPCODE_RCC, OPCODE_RCP, OPCODE_RET, OPCODE_RFL, | |
44 | OPCODE_RSQ, OPCODE_SCS, OPCODE_SEQ, OPCODE_SFL, OPCODE_SGE, | |
45 | OPCODE_SGT, OPCODE_SIN, OPCODE_SLE, OPCODE_SLT, OPCODE_SNE, | |
46 | OPCODE_SSG, OPCODE_STR, OPCODE_SUB, OPCODE_SWZ, OPCODE_TEX, | |
47 | OPCODE_TXB, OPCODE_TXD, OPCODE_TXL, OPCODE_TXP, OPCODE_TXP_NV, | |
48 | OPCODE_UP2H, OPCODE_UP2US, OPCODE_UP4B, OPCODE_UP4UB, OPCODE_X2D, | |
49 | OPCODE_XPD, MAX_OPCODE | |
50 | } gl_inst_opcode; | |
51 | struct mode_opt { | |
52 | GLuint Source:4; | |
53 | GLuint Operand:3; | |
54 | }; | |
55 | struct state_key { | |
56 | GLbitfield enabled_units; | |
57 | struct { | |
58 | GLuint NumArgsRGB:2; | |
59 | GLuint ModeRGB:4; | |
60 | struct mode_opt OptRGB[3]; | |
61 | GLuint ModeA:4; | |
62 | } unit[8]; | |
63 | }; | |
64 | struct ureg { | |
65 | GLuint file:4; | |
66 | GLuint idx:8; | |
67 | }; | |
68 | static const struct ureg undef = { | |
69 | PROGRAM_UNDEFINED, ~0, 0, 0, 0, 0, 0 | |
70 | }; | |
71 | struct texenv_fragment_program { | |
72 | struct state_key *state; | |
73 | struct ureg src_texture[8]; | |
74 | struct ureg src_previous; | |
75 | GLuint last_tex_stage; | |
76 | }; | |
77 | static struct ureg get_temp(struct texenv_fragment_program *p) | |
78 | { | |
79 | } | |
80 | static struct ureg register_const4f(struct texenv_fragment_program *p, | |
81 | GLfloat s0, GLfloat s1, GLfloat s2, | |
82 | GLfloat s3) | |
83 | { | |
84 | } | |
85 | static struct ureg emit_combine_source(struct texenv_fragment_program *p, | |
86 | GLuint mask, GLuint unit, GLuint source, | |
87 | GLuint operand) | |
88 | { | |
89 | } | |
90 | static struct ureg emit_combine(struct texenv_fragment_program *p, | |
91 | struct ureg dest, GLuint mask, | |
92 | GLboolean saturate, GLuint unit, GLuint nr, | |
93 | GLuint mode, const struct mode_opt *opt) | |
94 | { | |
95 | struct ureg src[3]; | |
96 | GLuint i; | |
97 | for (i = 0; i < nr; i++) | |
98 | src[i] = | |
99 | emit_combine_source(p, mask, unit, opt[i].Source, | |
100 | opt[i].Operand); | |
101 | switch (mode) { | |
102 | case 8: | |
103 | case 9: | |
104 | case 7: | |
105 | case 6:{ | |
106 | struct ureg tmp0 = get_temp(p); | |
107 | struct ureg neg1 = register_const4f(p, -1, -1, -1, -1); | |
108 | struct ureg two = register_const4f(p, 2, 2, 2, 2); | |
109 | emit_arith(p, OPCODE_MAD, tmp0, 0xf, 0, two, src[0], | |
110 | neg1); | |
111 | } | |
112 | } | |
113 | } | |
114 | static struct ureg emit_texenv(struct texenv_fragment_program *p, GLuint unit) | |
115 | { | |
116 | struct state_key *key = p->state; | |
117 | GLboolean saturate = (unit < p->last_tex_stage); | |
118 | struct ureg out, shift; | |
119 | struct ureg dest; | |
120 | if (key->unit[unit].ModeRGB == key->unit[unit].ModeA | |
121 | && args_match(key, unit)) { | |
122 | out = | |
123 | emit_combine(p, dest, 0xf, saturate, unit, | |
124 | key->unit[unit].NumArgsRGB, | |
125 | key->unit[unit].ModeRGB, | |
126 | key->unit[unit].OptRGB); | |
127 | } | |
128 | } | |
129 | static void create_new_program(GLcontext * ctx, struct state_key *key, | |
130 | struct gl_fragment_program *program) | |
131 | { | |
132 | struct texenv_fragment_program p; | |
133 | GLuint unit; | |
134 | for (unit = 0; unit < 8; unit++) | |
135 | p.src_texture[unit] = undef; | |
136 | if (key->enabled_units) { | |
137 | for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) | |
138 | if (key->enabled_units & (1 << unit)) { | |
139 | p.src_previous = emit_texenv(&p, unit); | |
140 | } | |
141 | } | |
142 | } | |
143 | void _mesa_UpdateTexEnvProgram(GLcontext * ctx) | |
144 | { | |
145 | struct state_key key; | |
146 | if (!ctx->FragmentProgram._Enabled && !ctx->Shader.CurrentProgram) { | |
147 | if (!ctx->FragmentProgram._TexEnvProgram) { | |
148 | create_new_program(ctx, &key, | |
149 | ctx->FragmentProgram._TexEnvProgram); | |
150 | } | |
151 | } | |
152 | } |