Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1901 | serge | 1 | /* |
| 2 | * Mesa 3-D graphics library |
||
| 3 | * Version: 7.1 |
||
| 4 | * |
||
| 5 | * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. |
||
| 6 | * |
||
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
||
| 8 | * copy of this software and associated documentation files (the "Software"), |
||
| 9 | * to deal in the Software without restriction, including without limitation |
||
| 10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
||
| 11 | * and/or sell copies of the Software, and to permit persons to whom the |
||
| 12 | * Software is furnished to do so, subject to the following conditions: |
||
| 13 | * |
||
| 14 | * The above copyright notice and this permission notice shall be included |
||
| 15 | * in all copies or substantial portions of the Software. |
||
| 16 | * |
||
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
||
| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
||
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
||
| 20 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
||
| 21 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
||
| 22 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
||
| 23 | */ |
||
| 24 | |||
| 25 | /** |
||
| 26 | * \file prog_uniform.c |
||
| 27 | * Shader uniform functions. |
||
| 28 | * \author Brian Paul |
||
| 29 | */ |
||
| 30 | |||
| 31 | #ifndef PROG_UNIFORM_H |
||
| 32 | #define PROG_UNIFORM_H |
||
| 33 | |||
| 34 | #include "main/glheader.h" |
||
| 35 | |||
| 36 | |||
| 37 | /** |
||
| 38 | * Shader program uniform variable. |
||
| 39 | * The glGetUniformLocation() and glUniform() commands will use this |
||
| 40 | * information. |
||
| 41 | * Note that a uniform such as "binormal" might be used in both the |
||
| 42 | * vertex shader and the fragment shader. When glUniform() is called to |
||
| 43 | * set the uniform's value, it must be updated in both the vertex and |
||
| 44 | * fragment shaders. The uniform may be in different locations in the |
||
| 45 | * two shaders so we keep track of that here. |
||
| 46 | */ |
||
| 47 | struct gl_uniform |
||
| 48 | { |
||
| 49 | const char *Name; /**< Null-terminated string */ |
||
| 50 | GLint VertPos; |
||
| 51 | GLint FragPos; |
||
| 52 | GLint GeomPos; |
||
| 53 | GLboolean Initialized; /**< For debug. Has this uniform been set? */ |
||
| 54 | const struct glsl_type *Type; |
||
| 55 | }; |
||
| 56 | |||
| 57 | |||
| 58 | /** |
||
| 59 | * List of gl_uniforms |
||
| 60 | */ |
||
| 61 | struct gl_uniform_list |
||
| 62 | { |
||
| 63 | GLuint Size; /**< allocated size of Uniforms array */ |
||
| 64 | GLuint NumUniforms; /**< number of uniforms in the array */ |
||
| 65 | struct gl_uniform *Uniforms; /**< Array [Size] */ |
||
| 66 | }; |
||
| 67 | |||
| 68 | |||
| 69 | extern struct gl_uniform_list * |
||
| 70 | _mesa_new_uniform_list(void); |
||
| 71 | |||
| 72 | extern void |
||
| 73 | _mesa_free_uniform_list(struct gl_uniform_list *list); |
||
| 74 | |||
| 75 | extern struct gl_uniform * |
||
| 76 | _mesa_append_uniform(struct gl_uniform_list *list, |
||
| 77 | const char *name, GLenum target, GLuint progPos); |
||
| 78 | |||
| 79 | extern GLint |
||
| 80 | _mesa_lookup_uniform(const struct gl_uniform_list *list, const char *name); |
||
| 81 | |||
| 82 | extern GLint |
||
| 83 | _mesa_longest_uniform_name(const struct gl_uniform_list *list); |
||
| 84 | |||
| 85 | extern void |
||
| 86 | _mesa_print_uniforms(const struct gl_uniform_list *list); |
||
| 87 | |||
| 88 | |||
| 89 | #endif /* PROG_UNIFORM_H */ |