| 0,0 → 1,89 |
|---|
| /* |
| * Mesa 3-D graphics library |
| * Version: 7.1 |
| * |
| * Copyright (C) 1999-2008 Brian Paul 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 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 |
| * BRIAN PAUL 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. |
| */ |
| |
| /** |
| * \file prog_uniform.c |
| * Shader uniform functions. |
| * \author Brian Paul |
| */ |
| |
| #ifndef PROG_UNIFORM_H |
| #define PROG_UNIFORM_H |
| |
| #include "main/glheader.h" |
| |
| |
| /** |
| * Shader program uniform variable. |
| * The glGetUniformLocation() and glUniform() commands will use this |
| * information. |
| * Note that a uniform such as "binormal" might be used in both the |
| * vertex shader and the fragment shader. When glUniform() is called to |
| * set the uniform's value, it must be updated in both the vertex and |
| * fragment shaders. The uniform may be in different locations in the |
| * two shaders so we keep track of that here. |
| */ |
| struct gl_uniform |
| { |
| const char *Name; /**< Null-terminated string */ |
| GLint VertPos; |
| GLint FragPos; |
| GLint GeomPos; |
| GLboolean Initialized; /**< For debug. Has this uniform been set? */ |
| const struct glsl_type *Type; |
| }; |
| |
| |
| /** |
| * List of gl_uniforms |
| */ |
| struct gl_uniform_list |
| { |
| GLuint Size; /**< allocated size of Uniforms array */ |
| GLuint NumUniforms; /**< number of uniforms in the array */ |
| struct gl_uniform *Uniforms; /**< Array [Size] */ |
| }; |
| |
| |
| extern struct gl_uniform_list * |
| _mesa_new_uniform_list(void); |
| |
| extern void |
| _mesa_free_uniform_list(struct gl_uniform_list *list); |
| |
| extern struct gl_uniform * |
| _mesa_append_uniform(struct gl_uniform_list *list, |
| const char *name, GLenum target, GLuint progPos); |
| |
| extern GLint |
| _mesa_lookup_uniform(const struct gl_uniform_list *list, const char *name); |
| |
| extern GLint |
| _mesa_longest_uniform_name(const struct gl_uniform_list *list); |
| |
| extern void |
| _mesa_print_uniforms(const struct gl_uniform_list *list); |
| |
| |
| #endif /* PROG_UNIFORM_H */ |