diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_export.h')
| -rw-r--r-- | src/mesa/shader/slang/slang_export.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/slang_export.h b/src/mesa/shader/slang/slang_export.h new file mode 100644 index 0000000000..57e7d51279 --- /dev/null +++ b/src/mesa/shader/slang/slang_export.h @@ -0,0 +1,114 @@ +/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 2006 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.
+ */
+
+#if !defined SLANG_EXPORT_H
+#define SLANG_EXPORT_H
+
+#if defined __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Basic data quantity to transfer between application and assembly.
+ * The <size> is the actual size of the data quantity including padding, if any. It is
+ * used to calculate offsets from the beginning of the data.
+ * The <array_len> is not 0, the data quantity is an array of <array_len> size.
+ * If the <structure> is not NULL, the data quantity is a struct. The <basic_type> is
+ * invalid and the <field_count> holds the size of the <structure> array.
+ * The <basic_type> values match those of <type> parameter for glGetActiveUniformARB.
+ */
+
+typedef struct slang_export_data_quant_
+{
+ slang_atom name;
+ GLuint size;
+ GLuint array_len;
+ struct slang_export_data_quant_ *structure;
+ union
+ {
+ GLenum basic_type;
+ GLuint field_count;
+ } u;
+} slang_export_data_quant;
+
+GLvoid slang_export_data_quant_ctr (slang_export_data_quant *);
+GLvoid slang_export_data_quant_dtr (slang_export_data_quant *);
+slang_export_data_quant *slang_export_data_quant_add_field (slang_export_data_quant *);
+
+/*
+ * Data access pattern. Specifies how data is accessed at what frequency.
+ */
+
+typedef enum
+{
+ slang_exp_uniform,
+ slang_exp_varying,
+ slang_exp_attribute
+} slang_export_data_access;
+
+/*
+ * Data export entry. Holds the data type information, access pattern and base address.
+ */
+
+typedef struct
+{
+ slang_export_data_quant quant;
+ slang_export_data_access access;
+ GLuint address;
+} slang_export_data_entry;
+
+GLvoid slang_export_data_entry_ctr (slang_export_data_entry *);
+GLvoid slang_export_data_entry_dtr (slang_export_data_entry *);
+
+/*
+ * Data export table. Holds <count> elements in <entries> array.
+ */
+
+typedef struct
+{
+ slang_export_data_entry *entries;
+ GLuint count;
+ slang_atom_pool *atoms;
+} slang_export_data_table;
+
+GLvoid slang_export_data_table_ctr (slang_export_data_table *);
+GLvoid slang_export_data_table_dtr (slang_export_data_table *);
+slang_export_data_entry *slang_export_data_table_add (slang_export_data_table *);
+
+/*
+ * _slang_find_exported_data()
+ *
+ * Parses the name string and returns corresponding data entry, data quantity and offset.
+ * Returns GL_TRUE if the data is found, returns GL_FALSE otherwise.
+ */
+
+GLboolean _slang_find_exported_data (slang_export_data_table *, const char *,
+ slang_export_data_entry **, slang_export_data_quant **, GLuint *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
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