1 files changed, 117 insertions, 0 deletions
diff --git a/cogl/cogl/cogl-boxed-value.h b/cogl/cogl/cogl-boxed-value.h
new file mode 100644
index 000000000..c8eda44dd
--- /dev/null
+++ b/cogl/cogl/cogl-boxed-value.h
@@ -0,0 +1,117 @@
+/*
+ * Cogl
+ *
+ * A Low Level GPU Graphics and Utilities API
+ *
+ * Copyright (C) 2011 Intel Corporation.
+ *
+ * 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 THE AUTHORS OR COPYRIGHT HOLDERS
+ * 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.
+ *
+ *
+ */
+
+#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;
+
+  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
+
+CoglBool
+_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,
+                              CoglBool 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 */