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/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2011 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_BOXED_VALUE_H
#define __COGL_BOXED_VALUE_H
#include <glib.h>
#include "cogl-context.h"
typedef enum {
COGL_BOXED_NONE,
COGL_BOXED_INT,
COGL_BOXED_FLOAT,
COGL_BOXED_MATRIX
} CoglBoxedType;
typedef struct _CoglBoxedValue
{
CoglBoxedType type;
int size, count;
gboolean transpose;
union {
float float_value[4];
int int_value[4];
float matrix[16];
float *float_array;
int *int_array;
void *array;
} v;
} CoglBoxedValue;
#define _cogl_boxed_value_init(bv) \
G_STMT_START { \
CoglBoxedValue *_bv = (bv); \
_bv->type = COGL_BOXED_NONE; \
_bv->count = 1; \
} G_STMT_END
gboolean
_cogl_boxed_value_equal (const CoglBoxedValue *bva,
const CoglBoxedValue *bvb);
void
_cogl_boxed_value_set_1f (CoglBoxedValue *bv,
float value);
void
_cogl_boxed_value_set_1i (CoglBoxedValue *bv,
int value);
void
_cogl_boxed_value_set_float (CoglBoxedValue *bv,
int n_components,
int count,
const float *value);
void
_cogl_boxed_value_set_int (CoglBoxedValue *bv,
int n_components,
int count,
const int *value);
void
_cogl_boxed_value_set_matrix (CoglBoxedValue *bv,
int dimensions,
int count,
gboolean transpose,
const float *value);
/*
* _cogl_boxed_value_copy:
* @dst: The destination boxed value
* @src: The source boxed value
*
* This copies @src to @dst. It is assumed that @dst is initialised.
*/
void
_cogl_boxed_value_copy (CoglBoxedValue *dst,
const CoglBoxedValue *src);
void
_cogl_boxed_value_destroy (CoglBoxedValue *bv);
void
_cogl_boxed_value_set_uniform (CoglContext *ctx,
int location,
const CoglBoxedValue *value);
#endif /* __COGL_BOXED_VALUE_H */
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