117 lines
3.3 KiB
C
117 lines
3.3 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2011 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*
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*/
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#ifndef __COGL_BOXED_VALUE_H
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#define __COGL_BOXED_VALUE_H
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#include <glib.h>
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#include "cogl-context.h"
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typedef enum {
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COGL_BOXED_NONE,
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COGL_BOXED_INT,
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COGL_BOXED_FLOAT,
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COGL_BOXED_MATRIX
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} CoglBoxedType;
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typedef struct _CoglBoxedValue
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{
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CoglBoxedType type;
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int size, count;
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union {
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float float_value[4];
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int int_value[4];
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float matrix[16];
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float *float_array;
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int *int_array;
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void *array;
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} v;
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} CoglBoxedValue;
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#define _cogl_boxed_value_init(bv) \
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G_STMT_START { \
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CoglBoxedValue *_bv = (bv); \
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_bv->type = COGL_BOXED_NONE; \
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_bv->count = 1; \
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} G_STMT_END
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CoglBool
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_cogl_boxed_value_equal (const CoglBoxedValue *bva,
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const CoglBoxedValue *bvb);
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void
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_cogl_boxed_value_set_1f (CoglBoxedValue *bv,
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float value);
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void
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_cogl_boxed_value_set_1i (CoglBoxedValue *bv,
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int value);
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void
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_cogl_boxed_value_set_float (CoglBoxedValue *bv,
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int n_components,
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int count,
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const float *value);
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void
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_cogl_boxed_value_set_int (CoglBoxedValue *bv,
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int n_components,
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int count,
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const int *value);
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void
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_cogl_boxed_value_set_matrix (CoglBoxedValue *bv,
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int dimensions,
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int count,
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CoglBool transpose,
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const float *value);
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/*
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* _cogl_boxed_value_copy:
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* @dst: The destination boxed value
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* @src: The source boxed value
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*
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* This copies @src to @dst. It is assumed that @dst is initialised.
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*/
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void
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_cogl_boxed_value_copy (CoglBoxedValue *dst,
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const CoglBoxedValue *src);
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void
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_cogl_boxed_value_destroy (CoglBoxedValue *bv);
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void
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_cogl_boxed_value_set_uniform (CoglContext *ctx,
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int location,
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const CoglBoxedValue *value);
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#endif /* __COGL_BOXED_VALUE_H */
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