+++ /dev/null
-/*
- * 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.
- */
-
-/**
- * \file slang_export.c
- * interface between assembly code and the application
- * \author Michal Krol
- */
-
-#include "imports.h"
-#include "slang_export.h"
-
-/*
- * slang_export_data_quant
- */
-
-GLvoid slang_export_data_quant_ctr (slang_export_data_quant *self)
-{
- self->name = SLANG_ATOM_NULL;
- self->size = 0;
- self->array_len = 0;
- self->structure = NULL;
- self->u.basic_type = GL_FLOAT;
-}
-
-GLvoid slang_export_data_quant_dtr (slang_export_data_quant *self)
-{
- if (self->structure != NULL)
- {
- GLuint i;
-
- for (i = 0; i < self->u.field_count; i++)
- slang_export_data_quant_dtr (&self->structure[i]);
- slang_alloc_free (self->structure);
- }
-}
-
-slang_export_data_quant *slang_export_data_quant_add_field (slang_export_data_quant *self)
-{
- const GLuint n = self->u.field_count;
-
- self->structure = (slang_export_data_quant *) slang_alloc_realloc (self->structure,
- n * sizeof (slang_export_data_quant), (n + 1) * sizeof (slang_export_data_quant));
- if (self->structure == NULL)
- return NULL;
- slang_export_data_quant_ctr (&self->structure[n]);
- self->u.field_count++;
- return &self->structure[n];
-}
-
-GLboolean slang_export_data_quant_array (slang_export_data_quant *self)
-{
- return self->array_len != 0;
-}
-
-GLboolean slang_export_data_quant_struct (slang_export_data_quant *self)
-{
- return self->structure != NULL;
-}
-
-GLboolean slang_export_data_quant_simple (slang_export_data_quant *self)
-{
- return self->array_len == 0 && self->structure == NULL;
-}
-
-GLenum slang_export_data_quant_type (slang_export_data_quant *self)
-{
- assert (self->structure == NULL);
- return self->u.basic_type;
-}
-
-GLuint slang_export_data_quant_fields (slang_export_data_quant *self)
-{
- assert (self->structure != NULL);
- return self->u.field_count;
-}
-
-GLuint slang_export_data_quant_elements (slang_export_data_quant *self)
-{
- if (self->array_len == 0)
- return 1;
- return self->array_len;
-}
-
-GLuint slang_export_data_quant_components (slang_export_data_quant *self)
-{
- return self->size / 4;
-}
-
-GLuint slang_export_data_quant_size (slang_export_data_quant *self)
-{
- return self->size;
-}
-
-/*
- * slang_export_data_entry
- */
-
-GLvoid slang_export_data_entry_ctr (slang_export_data_entry *self)
-{
- slang_export_data_quant_ctr (&self->quant);
- self->access = slang_exp_uniform;
- self->address = ~0;
-}
-
-GLvoid slang_export_data_entry_dtr (slang_export_data_entry *self)
-{
- slang_export_data_quant_dtr (&self->quant);
-}
-
-/*
- * slang_export_data_table
- */
-
-GLvoid slang_export_data_table_ctr (slang_export_data_table *self)
-{
- self->entries = NULL;
- self->count = 0;
- self->atoms = NULL;
-}
-
-GLvoid slang_export_data_table_dtr (slang_export_data_table *self)
-{
- if (self->entries != NULL)
- {
- GLuint i;
-
- for (i = 0; i < self->count; i++)
- slang_export_data_entry_dtr (&self->entries[i]);
- slang_alloc_free (self->entries);
- }
-}
-
-slang_export_data_entry *slang_export_data_table_add (slang_export_data_table *self)
-{
- const GLuint n = self->count;
-
- self->entries = (slang_export_data_entry *) slang_alloc_realloc (self->entries,
- n * sizeof (slang_export_data_entry), (n + 1) * sizeof (slang_export_data_entry));
- if (self->entries == NULL)
- return NULL;
- slang_export_data_entry_ctr (&self->entries[n]);
- self->count++;
- return &self->entries[n];
-}
-
-/*
- * slang_export_code_entry
- */
-
-static GLvoid slang_export_code_entry_ctr (slang_export_code_entry *self)
-{
- self->name = SLANG_ATOM_NULL;
- self->address = ~0;
-}
-
-static GLvoid slang_export_code_entry_dtr (slang_export_code_entry *self)
-{
-}
-
-/*
- * slang_export_code_table
- */
-
-GLvoid slang_export_code_table_ctr (slang_export_code_table *self)
-{
- self->entries = NULL;
- self->count = 0;
- self->atoms = NULL;
-}
-
-GLvoid slang_export_code_table_dtr (slang_export_code_table *self)
-{
- if (self->entries != NULL)
- {
- GLuint i;
-
- for (i = 0; i < self->count; i++)
- slang_export_code_entry_dtr (&self->entries[i]);
- slang_alloc_free (self->entries);
- }
-}
-
-slang_export_code_entry *slang_export_code_table_add (slang_export_code_table *self)
-{
- const GLuint n = self->count;
-
- self->entries = (slang_export_code_entry *) slang_alloc_realloc (self->entries,
- n * sizeof (slang_export_code_entry), (n + 1) * sizeof (slang_export_code_entry));
- if (self->entries == NULL)
- return NULL;
- slang_export_code_entry_ctr (&self->entries[n]);
- self->count++;
- return &self->entries[n];
-}
-
-/*
- * _slang_find_exported_data()
- */
-
-#define EXTRACT_ERROR 0
-#define EXTRACT_BASIC 1
-#define EXTRACT_ARRAY 2
-#define EXTRACT_STRUCT 3
-#define EXTRACT_STRUCT_ARRAY 4
-
-#define EXTRACT_MAXLEN 255
-
-static GLuint extract_name (const char *name, char *parsed, GLuint *element, const char **end)
-{
- GLuint i;
-
- if ((name[0] >= 'a' && name[0] <= 'z') || (name[0] >= 'A' && name[0] <= 'Z') || name[0] == '_')
- {
- parsed[0] = name[0];
-
- for (i = 1; i < EXTRACT_MAXLEN; i++)
- {
- if ((name[i] >= 'a' && name[i] <= 'z') || (name[i] >= 'A' && name[i] <= 'Z') ||
- (name[i] >= '0' && name[i] <= '9') || name[0] == '_')
- {
- parsed[i] = name[i];
- }
- else
- {
- if (name[i] == '\0')
- {
- parsed[i] = '\0';
- return EXTRACT_BASIC;
- }
- if (name[i] == '.')
- {
- parsed[i] = '\0';
- *end = &name[i + 1];
- return EXTRACT_STRUCT;
- }
- if (name[i] == '[')
- {
- parsed[i] = '\0';
- i++;
- if (name[i] >= '0' && name[i] <= '9')
- {
- *element = name[i] - '0';
- for (i++; ; i++)
- {
- if (name[i] >= '0' && name[i] <= '9')
- *element = *element * 10 + (name[i] - '0');
- else
- {
- if (name[i] == ']')
- {
- i++;
- if (name[i] == '.')
- {
- *end = &name[i + 1];
- return EXTRACT_STRUCT_ARRAY;
- }
- *end = &name[i];
- return EXTRACT_ARRAY;
- }
- break;
- }
- }
- }
- }
- break;
- }
- }
- }
- return EXTRACT_ERROR;
-}
-
-static GLboolean validate_extracted (slang_export_data_quant *q, GLuint element, GLuint extr)
-{
- switch (extr)
- {
- case EXTRACT_BASIC:
- return GL_TRUE;
- case EXTRACT_ARRAY:
- return element < slang_export_data_quant_elements (q);
- case EXTRACT_STRUCT:
- return slang_export_data_quant_struct (q);
- case EXTRACT_STRUCT_ARRAY:
- return slang_export_data_quant_struct (q) && element < slang_export_data_quant_elements (q);
- }
- return GL_FALSE;
-}
-
-static GLuint calculate_offset (slang_export_data_quant *q, GLuint element)
-{
- if (slang_export_data_quant_array (q))
- return element * slang_export_data_quant_size (q);
- return 0;
-}
-
-static GLboolean find_exported_data (slang_export_data_quant *q, const char *name,
- slang_export_data_quant **quant, GLuint *offset, slang_atom_pool *atoms)
-{
- char parsed[EXTRACT_MAXLEN];
- GLuint result, element, i;
- const char *end;
- slang_atom atom;
- const GLuint fields = slang_export_data_quant_fields (q);
-
- result = extract_name (name, parsed, &element, &end);
- if (result == EXTRACT_ERROR)
- return GL_FALSE;
-
- atom = slang_atom_pool_atom (atoms, parsed);
- if (atom == SLANG_ATOM_NULL)
- return GL_FALSE;
-
- for (i = 0; i < fields; i++)
- if (q->structure[i].name == atom)
- {
- if (!validate_extracted (&q->structure[i], element, result))
- return GL_FALSE;
- *offset += calculate_offset (&q->structure[i], element);
- if (result == EXTRACT_BASIC || result == EXTRACT_ARRAY)
- {
- if (*end != '\0')
- return GL_FALSE;
- *quant = &q->structure[i];
- return GL_TRUE;
- }
- return find_exported_data (&q->structure[i], end, quant, offset, atoms);
- }
- return GL_FALSE;
-}
-
-GLboolean _slang_find_exported_data (slang_export_data_table *table, const char *name,
- slang_export_data_entry **entry, slang_export_data_quant **quant, GLuint *offset)
-{
- char parsed[EXTRACT_MAXLEN];
- GLuint result, element, i;
- const char *end;
- slang_atom atom;
-
- result = extract_name (name, parsed, &element, &end);
- if (result == EXTRACT_ERROR)
- return GL_FALSE;
-
- atom = slang_atom_pool_atom (table->atoms, parsed);
- if (atom == SLANG_ATOM_NULL)
- return GL_FALSE;
-
- for (i = 0; i < table->count; i++)
- if (table->entries[i].quant.name == atom)
- {
- if (!validate_extracted (&table->entries[i].quant, element, result))
- return GL_FALSE;
- *entry = &table->entries[i];
- *offset = calculate_offset (&table->entries[i].quant, element);
- if (result == EXTRACT_BASIC || result == EXTRACT_ARRAY)
- {
- if (*end != '\0')
- return GL_FALSE;
- *quant = &table->entries[i].quant;
- return GL_TRUE;
- }
- return find_exported_data (&table->entries[i].quant, end, quant, offset, table->atoms);
- }
- return GL_FALSE;
-}
-
+++ /dev/null
-/*
- * 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
-
-#include "slang_utility.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.
- * If 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 *);
-
-/*
- * Returns GL_FALSE if the quant is not an array.
- */
-GLboolean slang_export_data_quant_array (slang_export_data_quant *);
-
-/*
- * Returns GL_FALSE if the quant is not a structure.
- */
-GLboolean slang_export_data_quant_struct (slang_export_data_quant *);
-
-/*
- * Returns GL_TRUE if the quant is neither an array nor a structure.
- */
-GLboolean slang_export_data_quant_simple (slang_export_data_quant *);
-
-/*
- * Returns basic type of the quant. It must not be a structure.
- */
-GLenum slang_export_data_quant_type (slang_export_data_quant *);
-
-/*
- * Returns number of fields in the quant that is a structure.
- */
-GLuint slang_export_data_quant_fields (slang_export_data_quant *);
-
-/*
- * Return number of elements in the quant.
- * For arrays, return the size of the array.
- * Otherwise, return 1.
- */
-GLuint slang_export_data_quant_elements (slang_export_data_quant *);
-
-/*
- * Returns total number of components withing the quant element.
- */
-GLuint slang_export_data_quant_components (slang_export_data_quant *);
-
-/*
- * Returns size of the quant element.
- */
-GLuint slang_export_data_quant_size (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.
- */
-
-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 *);
-
-/*
- * Code export entry. Contains label name and its entry point (label, address).
- */
-
-typedef struct
-{
- slang_atom name;
- GLuint address;
-} slang_export_code_entry;
-
-/*
- * Code export table.
- */
-
-typedef struct
-{
- slang_export_code_entry *entries;
- GLuint count;
- slang_atom_pool *atoms;
-} slang_export_code_table;
-
-GLvoid slang_export_code_table_ctr (slang_export_code_table *);
-GLvoid slang_export_code_table_dtr (slang_export_code_table *);
-slang_export_code_entry *slang_export_code_table_add (slang_export_code_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
-