mirror of
https://github.com/brl/mutter.git
synced 2024-11-26 18:11:05 -05:00
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
|
/*
|
||
|
|
* Cogl
|
||
|
|
*
|
||
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
||
|
|
*
|
||
|
|
* Copyright (C) 2008,2009 Intel Corporation.
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This library is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __COGL_PROGRAM_H
|
||
|
|
#define __COGL_PROGRAM_H
|
||
|
|
|
||
|
|
#include "cogl-handle.h"
|
||
|
|
#include "cogl-internal.h"
|
||
|
|
#include "cogl-shader-private.h"
|
||
|
|
|
||
|
|
typedef struct _CoglProgram CoglProgram;
|
||
|
|
|
||
|
|
struct _CoglProgram
|
||
|
|
{
|
||
|
|
CoglHandleObject _parent;
|
||
|
|
|
||
|
|
GSList *attached_shaders;
|
||
|
|
|
||
|
|
GArray *custom_uniforms;
|
||
|
|
|
||
|
|
/* An age counter that changes whenever the list of shaders is modified */
|
||
|
|
unsigned int age;
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct _CoglProgramUniform CoglProgramUniform;
|
||
|
|
|
||
|
|
struct _CoglProgramUniform
|
||
|
|
{
|
||
|
|
char *name;
|
||
|
|
CoglBoxedValue value;
|
||
|
|
/* The cached GL location for this uniform. This is only valid
|
||
|
|
between calls to _cogl_program_dirty_all_uniforms */
|
||
|
|
GLint location;
|
||
|
|
/* Whether we have a location yet */
|
||
|
|
unsigned int location_valid : 1;
|
||
|
|
/* Whether the uniform value has changed since the last time the
|
||
|
|
uniforms were flushed */
|
||
|
|
unsigned int dirty : 1;
|
||
|
|
};
|
||
|
|
|
||
|
|
CoglProgram *_cogl_program_pointer_from_handle (CoglHandle handle);
|
||
|
|
|
||
|
|
/* Internal function to flush the custom uniforms for the given use
|
||
|
|
program. This assumes the target GL program is already bound. The
|
||
|
|
gl_program still needs to be passed so that CoglProgram can query
|
||
|
|
the uniform locations. gl_program_changed should be set to TRUE if
|
||
|
|
we are flushing the uniforms against a different GL program from
|
||
|
|
the last time it was flushed. This will cause it to requery all of
|
||
|
|
the locations and assume that all uniforms are dirty */
|
||
|
|
void
|
||
|
|
_cogl_program_flush_uniforms (CoglProgram *program,
|
||
|
|
GLuint gl_program,
|
||
|
|
gboolean gl_program_changed);
|
||
|
|
|
||
|
|
CoglShaderLanguage
|
||
|
|
_cogl_program_get_language (CoglHandle handle);
|
||
|
|
|
||
|
|
#endif /* __COGL_PROGRAM_H */
|