1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* Copyright (C) 2008 Nicolai Haehnle.
*
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __RADEON_PROGRAM_H_
#define __RADEON_PROGRAM_H_
#include "glheader.h"
#include "macros.h"
#include "enums.h"
#include "shader/program.h"
#include "shader/prog_instruction.h"
enum {
CLAUSE_MIXED = 0,
CLAUSE_ALU,
CLAUSE_TEX
};
enum {
PROGRAM_BUILTIN = PROGRAM_FILE_MAX /**< not a real register, but a special swizzle constant */
};
#define SWIZZLE_0000 MAKE_SWIZZLE4(SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ZERO)
#define SWIZZLE_1111 MAKE_SWIZZLE4(SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE)
/**
* Transformation context that is passed to local transformations.
*
* Care must be taken with some operations during transformation,
* e.g. finding new temporary registers must use @ref radeonFindFreeTemporary
*/
struct radeon_transform_context {
GLcontext *Ctx;
struct gl_program *Program;
struct prog_instruction *OldInstructions;
GLuint OldNumInstructions;
};
/**
* A transformation that can be passed to \ref radeonLocalTransform.
*
* The function will be called once for each instruction.
* It has to either emit the appropriate transformed code for the instruction
* and return GL_TRUE, or return GL_FALSE if it doesn't understand the
* instruction.
*
* The function gets passed the userData as last parameter.
*/
struct radeon_program_transformation {
GLboolean (*function)(
struct radeon_transform_context*,
struct prog_instruction*,
void*);
void *userData;
};
void radeonLocalTransform(
GLcontext* ctx,
struct gl_program *program,
int num_transformations,
struct radeon_program_transformation* transformations);
/**
* Find a usable free temporary register during program transformation
*/
GLint radeonFindFreeTemporary(struct radeon_transform_context *ctx);
struct prog_instruction *radeonAppendInstructions(struct gl_program *program, int count);
#endif
|
