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libShaderFile
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* implemented c++ header file 

* changed directory structure for header files
* implemented some small examples for c and c++
master
Bergmann89 vor 11 Jahren
Ursprung
f366f88a8b
Commit
bc7774686b
8 geänderte Dateien mit 883 neuen und 192 gelöschten Zeilen
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  1. +0
    -91
      header/c/libShaderFile.c
  2. +0
    -88
      header/c/libShaderFile.h
  3. +15
    -6
      header/examples/example.c
  4. +42
    -0
      header/examples/example.cpp
  5. +247
    -0
      header/libShaderFile.h
  6. +563
    -0
      header/libShaderFile.hpp
  7. +0
    -0
      header/ulibShaderFile.pas
  8. +16
    -7
      libShaderFile.lpr

+ 0
- 91
header/c/libShaderFile.c Datei anzeigen

@@ -1,91 +0,0 @@
#include "libShaderFile.h"

//#define LSF_DEBUG
#ifdef LSF_DEBUG
# include <stdio.h>
#endif

#if defined(WIN32) || defined(WIN64)
# include <windows.h>

typedef HMODULE lib_handle_t;

lib_handle_t open_lib(const char* name)
{ return LoadLibrary(name); };
void* get_addr(lib_handle_t handle, const char* name)
{ return GetProcAddress(handle, name); };

int close_lib(lib_handle_t handle)
{ return FreeLibrary(handle); };
#elif defined(LINUX)
# include <dlfcn.h>
# error "linux is not supported yet"
#else
# error "unknown operation system"
#endif

lib_handle_t handle = NULL;
lsf_init_t lsf_init_intern = NULL;
lsf_finish_t lsf_finish_intern = NULL;

#ifndef LSF_DEBUG
# define LoadProc(proc, name) \
proc = get_addr(handle, name); \
if (!proc) \
return LSF_ERR_INVALID_METHOD_NAME
#else
# define LoadProc(proc, name) \
proc = get_addr(handle, name); \
printf("load method '%s' (addr=0x%016x)\n", name, proc); \
if (!proc) \
return LSF_ERR_INVALID_METHOD_NAME
#endif

int lsf_init(const char* libname)
{
#ifdef LSF_DEBUG
printf("loading library '%s'\n", libname);
#endif
handle = open_lib(libname);
if (!handle)
return LSF_ERR_INVALID_LIBRARY_NAME;
#ifdef LSF_DEBUG
printf(" done (handle=0x%016x)\n", handle);
#endif
LoadProc(lsf_shader_file_create, "lsf_ShaderFile_create");
LoadProc(lsf_shader_file_set_log_callback, "lsf_ShaderFile_setLogCallback");
LoadProc(lsf_shader_file_load_from_file, "lsf_ShaderFile_loadFromFile");
LoadProc(lsf_shader_file_save_to_file, "lsf_ShaderFile_saveToFile");
LoadProc(lsf_shader_file_get_generator_names, "lsf_ShaderFile_getGeneratorNames");
LoadProc(lsf_shader_file_destroy, "lsf_ShaderFile_destroy");

LoadProc(lsf_generator_create, "lsf_Generator_create");
LoadProc(lsf_generator_get_property_names, "lsf_Generator_getPropertyNames");
LoadProc(lsf_generator_get_property, "lsf_Generator_getProperty");
LoadProc(lsf_generator_get_property_by_name, "lsf_Generator_getPropertyByName");
LoadProc(lsf_generator_set_property, "lsf_Generator_setProperty");
LoadProc(lsf_generator_set_property_by_name, "lsf_Generator_setPropertyByName");
LoadProc(lsf_generator_generate_code, "lsf_Generator_generateCode");
LoadProc(lsf_generator_destroy, "lsf_Generator_destroy");

LoadProc(lsf_init_intern, "lsf_init");
LoadProc(lsf_get_last_error_code, "lsf_getLastErrorCode");
LoadProc(lsf_get_last_error_msg, "lsf_getLastErrorMsg");
LoadProc(lsf_get_last_error_trace, "lsf_getLastErrorTrace");
LoadProc(lsf_finish_intern, "lsf_finish");
return lsf_init_intern();
}

int lsf_finish(void)
{
lsf_error_code_t err = lsf_finish_intern();
if (!close_lib(handle))
return LSF_ERR_INVALID_LIBRARY_HANDLE;
return err;
}

+ 0
- 88
header/c/libShaderFile.h Datei anzeigen

@@ -1,88 +0,0 @@
#ifndef LIB_SHADER_FILE_H
#define LIB_SHADER_FILE_H

#include <stdint.h>

#define LSF_LOGLEVEL_DEBUG 0
#define LSF_LOGLEVEL_INFO 1
#define LSF_LOGLEVEL_WARNING 2
#define LSF_LOGLEVEL_ERROR 3
#define LSF_ERR_NONE 0x00000000
#define LSF_ERR_NOT_INIT 0x00000001
#define LSF_ERR_INVALID_HANDLE_SHADER_FILE 0x00000010
#define LSF_ERR_INVALID_HANDLE_SHADER_GENERATOR 0x00000011
#define LSF_ERR_INVALID_GENERATOR_NAME 0x00000020
#define LSF_ERR_INVALID_PROPERTY_INDEX 0x00000021
#define LSF_ERR_INVALID_PROPERTY_NAME 0x00000022
#define LSF_ERR_UNKNOWN_IDENTFIFIER 0x00001000
#define LSF_ERR_DUPLICATE_IDENTIFIER 0x00001001
#define LSF_ERR_OUT_OF_RANGE 0x00001002
#define LSF_ERR_INVALID_IDENTIFIER 0x00001003
#define LSF_ERR_INVALID_PARAMTER_COUNT 0x00001004
#define LSF_ERR_INVALID_PARAMTER 0x00001005
#define LSF_ERR_UNEXPECTED_TOKEN 0x00001006
#define LSF_ERR_INVALID_TOKEN 0x00001007
#define LSF_ERR_EXPRESSION_INTERNAL 0x00001008
#define LSF_ERR_EXPRESSION 0x00001009
#define LSF_ERR_SHADER_PART_INTERNAL 0x0000100A
#define LSF_ERR_SHADER_PART 0x0000100B
#define LSF_ERR_INVALID_LIBRARY_NAME 0x00002000
#define LSF_ERR_INVALID_LIBRARY_HANDLE 0x00002001
#define LSF_ERR_INVALID_METHOD_NAME 0x00002002
#define LSF_ERR_UNKNOWN 0xFFFFFFFF

#define WINAPI __stdcall

typedef uint32_t lsf_error_code_t;
typedef uint32_t lsf_log_level_t;
typedef void* lsf_shader_file_handle_t;
typedef void* lsf_shader_generator_handle_t;
typedef void (*lsf_shader_file_log_callback_t)(const lsf_log_level_t loglevel, const char* msg, const void* userargs);

typedef lsf_shader_file_handle_t (WINAPI *lsf_shader_file_create_t) ();
typedef lsf_error_code_t (WINAPI *lsf_shader_file_set_log_callback_t) (const lsf_shader_file_handle_t handle, const lsf_shader_file_log_callback_t callback, const void* userargs);
typedef lsf_error_code_t (WINAPI *lsf_shader_file_load_from_file_t) (const lsf_shader_file_handle_t handle, const char* filename);
typedef lsf_error_code_t (WINAPI *lsf_shader_file_save_to_file_t) (const lsf_shader_file_handle_t handle, const char* filename);
typedef const char* (WINAPI *lsf_shader_file_get_generator_names_t) (const lsf_shader_file_handle_t handle);
typedef lsf_error_code_t (WINAPI *lsf_shader_file_destroy_t) (const lsf_shader_file_handle_t handle);

typedef lsf_shader_generator_handle_t (WINAPI *lsf_generator_create_t) (const lsf_shader_file_handle_t handle, const char* name);
typedef const char* (WINAPI *lsf_generator_get_property_names_t) (const lsf_shader_generator_handle_t handle);
typedef const char* (WINAPI *lsf_generator_get_property_t) (const lsf_shader_generator_handle_t handle, const int index);
typedef const char* (WINAPI *lsf_generator_get_property_by_name_t) (const lsf_shader_generator_handle_t handle, const char* name);
typedef lsf_error_code_t (WINAPI *lsf_generator_set_property_t) (const lsf_shader_generator_handle_t handle, const int index, const char* value);
typedef lsf_error_code_t (WINAPI *lsf_generator_set_property_by_name_t) (const lsf_shader_generator_handle_t handle, const char* name, const char* value);
typedef const char* (WINAPI *lsf_generator_generate_code_t) (const lsf_shader_generator_handle_t handle);
typedef lsf_error_code_t (WINAPI *lsf_generator_destroy_t) (const lsf_shader_generator_handle_t handle);

typedef lsf_error_code_t (WINAPI *lsf_init_t) ();
typedef lsf_error_code_t (WINAPI *lsf_get_last_error_code_t) ();
typedef const char* (WINAPI *lsf_get_last_error_msg_t) ();
typedef const char* (WINAPI *lsf_get_last_error_trace_t) ();
typedef lsf_error_code_t (WINAPI *lsf_finish_t) ();

lsf_shader_file_create_t lsf_shader_file_create;
lsf_shader_file_set_log_callback_t lsf_shader_file_set_log_callback;
lsf_shader_file_load_from_file_t lsf_shader_file_load_from_file;
lsf_shader_file_save_to_file_t lsf_shader_file_save_to_file;
lsf_shader_file_get_generator_names_t lsf_shader_file_get_generator_names;
lsf_shader_file_destroy_t lsf_shader_file_destroy;

lsf_generator_create_t lsf_generator_create;
lsf_generator_get_property_names_t lsf_generator_get_property_names;
lsf_generator_get_property_t lsf_generator_get_property;
lsf_generator_get_property_by_name_t lsf_generator_get_property_by_name;
lsf_generator_set_property_t lsf_generator_set_property;
lsf_generator_set_property_by_name_t lsf_generator_set_property_by_name;
lsf_generator_generate_code_t lsf_generator_generate_code;
lsf_generator_destroy_t lsf_generator_destroy;

lsf_get_last_error_code_t lsf_get_last_error_code;
lsf_get_last_error_msg_t lsf_get_last_error_msg;
lsf_get_last_error_trace_t lsf_get_last_error_trace;

int lsf_init(const char* libname);
int lsf_finish(void);

#endif /* LIB_SHADER_FILE_H */

header/c/example/test.c → header/examples/example.c Datei anzeigen

@@ -15,7 +15,7 @@ int main(int argc, char **argv)
return 1; return 1;
} }
lsf_init("../../library/libShaderFile-i386-win32.dll");
lsf_init("../../libShaderFile-i386-win32.dll");
// create shader file // create shader file
sfHandle = lsf_shader_file_create(); sfHandle = lsf_shader_file_create();
@@ -25,7 +25,7 @@ int main(int argc, char **argv)
ret = 2; ret = 2;
goto cleanup_lib; goto cleanup_lib;
} }
// load shader file // load shader file
err = lsf_shader_file_load_from_file(sfHandle, argv[1]); err = lsf_shader_file_load_from_file(sfHandle, argv[1]);
if (err != LSF_ERR_NONE) if (err != LSF_ERR_NONE)
@@ -34,7 +34,7 @@ int main(int argc, char **argv)
ret = 3; ret = 3;
goto cleanup_shader_file; goto cleanup_shader_file;
} }
// create generator // create generator
sgHandle = lsf_generator_create(sfHandle, argv[2]); sgHandle = lsf_generator_create(sfHandle, argv[2]);
if (!sgHandle) if (!sgHandle)
@@ -69,10 +69,19 @@ int main(int argc, char **argv)
printf("%s", code); printf("%s", code);


cleanup_shader_generator: cleanup_shader_generator:
lsf_generator_destroy(sgHandle);
err = lsf_generator_destroy(sgHandle);
if (err != LSF_ERR_NONE)
printf("warning: could not destroy generator handle: %d\n", err);
cleanup_shader_file: cleanup_shader_file:
lsf_shader_file_destroy(sfHandle);
err = lsf_shader_file_destroy(sfHandle);
if (err != LSF_ERR_NONE)
printf("warning: could not destroy shader file handle: %d\n", err);
cleanup_lib: cleanup_lib:
lsf_finish();
err = lsf_finish();
if (err != LSF_ERR_NONE)
printf("warning: could finish library: %d\n", err);
return ret; return ret;
} }

+ 42
- 0
header/examples/example.cpp Datei anzeigen

@@ -0,0 +1,42 @@
#include <iostream>
#include "../libShaderFile.hpp"

int main(int argc, char **argv)
{
try
{
if (argc < 3)
{
std::cout << "error: expected input file and generator/class name as parameter" << std::endl;
return 1;
}
// initialize library
lsf::Library lib("../../libShaderFile-i386-win32.dll");
// create and load shader file
lsf::ShaderFile shaderFile(lib);
shaderFile.loadFromFile(argv[1]);
const lsf::Library& l = shaderFile.getLibrary();
// get generator
lsf::Generator generator(shaderFile, argv[2]);
int i = 3;
while (i < argc-1)
{
generator.setProperty(argv[i], argv[i+1]);
i += 2;
}
std::cout << generator.generateCode() << std::endl;
return 0;
}
catch(const std::exception& ex)
{
std::cout << "error: " << ex.what() << std::endl;
return 2;
}
}

+ 247
- 0
header/libShaderFile.h Datei anzeigen

@@ -0,0 +1,247 @@
#ifndef LIB_SHADER_FILE_H
#define LIB_SHADER_FILE_H

#include <stdint.h>

/**********************************************************************************************************************************/
/* public interface */
/**********************************************************************************************************************************/
#define LSF_LOGLEVEL_DEBUG 0
#define LSF_LOGLEVEL_INFO 1
#define LSF_LOGLEVEL_WARNING 2
#define LSF_LOGLEVEL_ERROR 3
#define LSF_ERR_NONE 0x00000000
#define LSF_ERR_NOT_INIT 0x00000001
#define LSF_ERR_INVALID_HANDLE_SHADER_FILE 0x00000010
#define LSF_ERR_INVALID_HANDLE_SHADER_GENERATOR 0x00000011
#define LSF_ERR_INVALID_GENERATOR_NAME 0x00000020
#define LSF_ERR_INVALID_PROPERTY_INDEX 0x00000021
#define LSF_ERR_INVALID_PROPERTY_NAME 0x00000022
#define LSF_ERR_GENERATOR_NOT_ASSIGNED_TO_FILE 0x00000023
#define LSF_ERR_UNKNOWN_IDENTFIFIER 0x00001000
#define LSF_ERR_DUPLICATE_IDENTIFIER 0x00001001
#define LSF_ERR_OUT_OF_RANGE 0x00001002
#define LSF_ERR_INVALID_IDENTIFIER 0x00001003
#define LSF_ERR_INVALID_PARAMTER_COUNT 0x00001004
#define LSF_ERR_INVALID_PARAMTER 0x00001005
#define LSF_ERR_UNEXPECTED_TOKEN 0x00001006
#define LSF_ERR_INVALID_TOKEN 0x00001007
#define LSF_ERR_EXPRESSION_INTERNAL 0x00001008
#define LSF_ERR_EXPRESSION 0x00001009
#define LSF_ERR_SHADER_PART_INTERNAL 0x0000100A
#define LSF_ERR_SHADER_PART 0x0000100B
#define LSF_ERR_INVALID_LIBRARY_NAME 0x00002000
#define LSF_ERR_INVALID_LIBRARY_HANDLE 0x00002001
#define LSF_ERR_INVALID_METHOD_NAME 0x00002002
#define LSF_ERR_UNKNOWN 0xFFFFFFFF

#define WINAPI __stdcall

typedef uint32_t lsf_error_code_t;
typedef uint32_t lsf_log_level_t;
typedef void* lsf_shader_file_handle_t;
typedef void* lsf_shader_generator_handle_t;

typedef void (*lsf_shader_file_log_callback_t)(const lsf_log_level_t loglevel, const char* msg, const void* userargs);

/** create a new shader file handle
* @returns shader file handle or NULL (check lsf_get_last_error_* for more details) */
lsf_shader_file_handle_t (WINAPI *lsf_shader_file_create) ();

/** set the callback for log messages of a specific shader file handle
* @param handle shader file handle to set callback for
* @param callback pointer to callback function
* @param userargs user defined arguments
* @returns error code (see LSF_ERR_*) */
lsf_error_code_t (WINAPI *lsf_shader_file_set_log_callback) (const lsf_shader_file_handle_t handle, const lsf_shader_file_log_callback_t callback, const void* userargs);

/** load shader file code from a given file
* @param handle handle of shader file to load from file
* @param filename file to load shader code from
* @returns error code (see LSF_ERR_*) */
lsf_error_code_t (WINAPI *lsf_shader_file_load_from_file) (const lsf_shader_file_handle_t handle, const char* filename);

/** save shader file code to a given file
* @param handle handle of shader file to save to file
* @param filename file to save shader code to
* @returns error code (see LSF_ERR_*) */
lsf_error_code_t (WINAPI *lsf_shader_file_save_to_file) (const lsf_shader_file_handle_t handle, const char* filename);

/** generate a list of all code generators in a shader file
* @param handle shader file handle to generate list for
* @returns list of code generators (seperated by linebreak) or NULL (check lsf_get_last_error_* for more details) */
const char* (WINAPI *lsf_shader_file_get_generator_names) (const lsf_shader_file_handle_t handle);

/** destroy a shader file handle
* @param handle shader file handle to destroy
* @returns error code (see LSF_ERR_*) */
lsf_error_code_t (WINAPI *lsf_shader_file_destroy) (const lsf_shader_file_handle_t handle);


/** create a new code generator from a given shader file. the generator is owned by the shader file handle.
* if you destroy a shader file handle, all associated generator handles will be destroyed to.
* @param handle shader file handle to create generator from
* @param name name of the generator (see lsf_shader_file_get_generator_names to get a list of all valid names)
* @return generator handle of NULL (check lsf_get_last_error_* for more details) */
lsf_shader_generator_handle_t (WINAPI *lsf_generator_create) (const lsf_shader_file_handle_t handle, const char* name);

/** generate a list of all known properties within a given generator handle
* @handle generator handle to get properties from
* @return list of all known properties (seperated by linebreak) or NULL (check lsf_get_last_error_* for more details) */
const char* (WINAPI *lsf_generator_get_property_names) (const lsf_shader_generator_handle_t handle);

/** get a property value by its index
* @param handle generator handle
* @param index index of the property (see lsf_generator_get_property_names to calculate property index)
* @return property value or NULL (check lsf_get_last_error_* for more details) */
const char* (WINAPI *lsf_generator_get_property) (const lsf_shader_generator_handle_t handle, const int index);

/** get a property value by its name
* @param handle generator handle
* @param name name of the property
* @return property value or NULL (check lsf_get_last_error_* for more details) */
const char* (WINAPI *lsf_generator_get_property_by_name) (const lsf_shader_generator_handle_t handle, const char* name);

/** set a property value by its index
* @param handle generator handle
* @param index index of the property (see lsf_generator_get_property_names to calculate property index)
* @param value new value of the property
* @return property value or NULL (check lsf_get_last_error_* for more details) */
lsf_error_code_t (WINAPI *lsf_generator_set_property) (const lsf_shader_generator_handle_t handle, const int index, const char* value);

/** set a property value by its name
* @param handle generator handle
* @param name name of the property
* @param value new value of the property
* @return property value or NULL (check lsf_get_last_error_* for more details) */
lsf_error_code_t (WINAPI *lsf_generator_set_property_by_name) (const lsf_shader_generator_handle_t handle, const char* name, const char* value);

/** generate shader code
* @param handle generator handle
* @return generated shader code or NULL (check lsf_get_last_error_* for more details) */
const char* (WINAPI *lsf_generator_generate_code) (const lsf_shader_generator_handle_t handle);

/** destroy a generator handle
* @param handle generator handle to destroy
* @returns error code (see LSF_ERR_*) */
lsf_error_code_t (WINAPI *lsf_generator_destroy) (const lsf_shader_generator_handle_t handle);


/** get last error code
* @return error code of last failed operation */
lsf_error_code_t (WINAPI *lsf_get_last_error_code) ();

/** get last error message
* @return error message of last failed operation */
const char* (WINAPI *lsf_get_last_error_msg) ();

/** get last error trace
* @return error message and a trace of last failed operation */
const char* (WINAPI *lsf_get_last_error_trace) ();

/** initialize the library
* @param libname name of the shared library to load data from
* @return 0 on success, LSF_ERR_* otherwise */
int lsf_init(const char* libname);

/** finalize the library
* @return 0 on success, LSF_ERR_* otherwise */
int lsf_finish(void);


/**********************************************************************************************************************************/
/* internal initialization code */
/**********************************************************************************************************************************/
//#define LSF_DEBUG
#ifdef LSF_DEBUG
# include <stdio.h>
#endif

#if defined(WIN32) || defined(WIN64)
# include <windows.h>

typedef HMODULE lib_handle_t;

lib_handle_t open_lib(const char* name)
{ return LoadLibrary(name); };
void* get_addr(lib_handle_t handle, const char* name)
{ return GetProcAddress(handle, name); };

int close_lib(lib_handle_t handle)
{ return FreeLibrary(handle); };
#elif defined(LINUX)
# include <dlfcn.h>
# error "linux is not supported yet"
#else
# error "unknown operation system"
#endif

#ifndef LSF_DEBUG
# define LoadProc(proc, name) \
proc = get_addr(handle, name); \
if (!proc) \
return LSF_ERR_INVALID_METHOD_NAME
#else
# define LoadProc(proc, name) \
proc = get_addr(handle, name); \
printf("load method '%s' (addr=0x%016x)\n", name, proc); \
if (!proc) \
return LSF_ERR_INVALID_METHOD_NAME
#endif

lsf_error_code_t (WINAPI *lsf_init_intern)();
lsf_error_code_t (WINAPI *lsf_finish_intern)();

lib_handle_t handle = NULL;

int lsf_init(const char* libname)
{
#ifdef LSF_DEBUG
printf("loading library '%s'\n", libname);
#endif
handle = open_lib(libname);
if (!handle)
return LSF_ERR_INVALID_LIBRARY_NAME;
#ifdef LSF_DEBUG
printf(" done (handle=0x%016x)\n", handle);
#endif
LoadProc(lsf_shader_file_create, "lsf_ShaderFile_create");
LoadProc(lsf_shader_file_set_log_callback, "lsf_ShaderFile_setLogCallback");
LoadProc(lsf_shader_file_load_from_file, "lsf_ShaderFile_loadFromFile");
LoadProc(lsf_shader_file_save_to_file, "lsf_ShaderFile_saveToFile");
LoadProc(lsf_shader_file_get_generator_names, "lsf_ShaderFile_getGeneratorNames");
LoadProc(lsf_shader_file_destroy, "lsf_ShaderFile_destroy");

LoadProc(lsf_generator_create, "lsf_Generator_create");
LoadProc(lsf_generator_get_property_names, "lsf_Generator_getPropertyNames");
LoadProc(lsf_generator_get_property, "lsf_Generator_getProperty");
LoadProc(lsf_generator_get_property_by_name, "lsf_Generator_getPropertyByName");
LoadProc(lsf_generator_set_property, "lsf_Generator_setProperty");
LoadProc(lsf_generator_set_property_by_name, "lsf_Generator_setPropertyByName");
LoadProc(lsf_generator_generate_code, "lsf_Generator_generateCode");
LoadProc(lsf_generator_destroy, "lsf_Generator_destroy");
LoadProc(lsf_init_intern, "lsf_init");
LoadProc(lsf_get_last_error_code, "lsf_getLastErrorCode");
LoadProc(lsf_get_last_error_msg, "lsf_getLastErrorMsg");
LoadProc(lsf_get_last_error_trace, "lsf_getLastErrorTrace");
LoadProc(lsf_finish_intern, "lsf_finish");
return lsf_init_intern();
}

int lsf_finish(void)
{
lsf_error_code_t err = lsf_finish_intern();
if (!close_lib(handle))
return LSF_ERR_INVALID_LIBRARY_HANDLE;
return err;
}

#endif /* LIB_SHADER_FILE_H */

+ 563
- 0
header/libShaderFile.hpp Datei anzeigen

@@ -0,0 +1,563 @@
#ifndef LIB_SHADER_FILE_HPP
#define LIB_SHADER_FILE_HPP

#include <string>
#include <sstream>
#include <vector>
#include <stdint.h>

#if defined(WIN32) || defined(WIN64)
# include <windows.h>
#elif defined(LINUX)
# include <dlfcn.h>
#else
# error "unknown operation system"
#endif

/**********************************************************************************************************************************/
/* public interface */
/**********************************************************************************************************************************/
namespace lsf
{
enum LogLevel
{
llDebug = 0,
llInfo = 1,
llWarning = 2,
llError = 3,
};
enum ErrorCode
{
errNone = 0x00000000,
errNotInit = 0x00000001,
errInvalidHandleShaderFile = 0x00000010,
errInvalidHandleShaderGenerator = 0x00000011,
errInvalidGeneratorName = 0x00000020,
errInvalidPropertyIndex = 0x00000021,
errInvalidPropertyName = 0x00000022,
errGeneratorNotAssignedToFile = 0x00000023,
errUnknownIdentfifier = 0x00001000,
errDuplicateIdentifier = 0x00001001,
errOutOfRange = 0x00001002,
errInvalidIdentifier = 0x00001003,
errInvalidParamterCount = 0x00001004,
errInvalidParamter = 0x00001005,
errUnexpectedToken = 0x00001006,
errInvalidToken = 0x00001007,
errExpressionInternal = 0x00001008,
errExpression = 0x00001009,
errShaderPartInternal = 0x0000100a,
errShaderPart = 0x0000100b,
errInvalidLibraryName = 0x00002000,
errInvalidLibraryHandle = 0x00002001,
errInvalidMethodName = 0x00002002,
errUnknown = 0xffffffff,
};
/** class to load and manage shared library */
class Library
{
friend class ShaderFile;
friend class Generator;
public:
#if defined(WIN32) || defined(WIN64)
typedef HMODULE Handle; //!< shader file handle
#elif defined(LINUX)
#error "linux is not supported yet"
#else
#error "unknown operation system"
#endif

private:
struct Impl; //!< struct that implements the libraries methods
Impl* _impl; //!< struct that implements the libraries methods
Handle _handle; //!< handle of shared library
public:
/** get last error code
* @return error code of last failed operation */
ErrorCode getLastErrorCode() const;
/** get last error message
* @return error message of last failed operation */
std::string getLastErrorMsg() const;
/** get last error trace
* @return error trace of last failed operation */
std::string getLastErrorTrace() const;
/** constructor
* @param libName name of shared library file */
Library(std::string libName);
/** destructor */
virtual ~Library();
private:
/** deleted copy constructor */
Library(const Library& that) { };
};
/** class to manage a shader file */
class ShaderFile
{
public:
typedef void* Handle; //!< shader file handle
private:
const Library::Impl& _impl; //!< struct that implements the libraries methods
Handle _handle; //!< handle of this shader file
protected:
/** method to log messages from shader file and code generation
* @param logLevel level of the log message
* @param msg message to write log log */
virtual void logMsg(LogLevel logLevel, const std::string& msg);
public:
/** get shader file handle
* @return handle of this shader file */
Handle getHandle() const;
/** get library
* @return library object this shader file is attached to */
const Library& getLibrary() const;
/** load shader file from a given file
* @param filename file to load shader code from */
void loadFromFile(std::string filename);
/** save shader file to a given file
* @param filename file to save shader code to */
void saveToFile(std::string filename) const;
/** constructor
* @param library library this shader file is attached to */
ShaderFile(const Library& library);
/** destructor */
virtual ~ShaderFile();
private:
/** deleted copy constructor */
ShaderFile(const ShaderFile& that);
public:
/** callback method for log messages
* @param logLevel log level of the log message
* @param msg log message
* @param userargs user defined arguments */
static void __stdcall logCallback(const LogLevel loglevel, const char* msg, void* userargs);
};
/** class to manage a shader code generator */
class Generator
{
public:
typedef void* Handle; //!< shader generator handle
typedef std::vector<std::string> StringVec; //!< vector of strings
private:
const Library::Impl& _impl; //!< struct that implements the libraries methods
const ShaderFile& _shaderFile; //!< shader file the generator is attached to
std::string _name; //!< name of this generator
Handle _handle; //!< handle of this generator
StringVec _propertyNames; //!< vector with all known properties
public:
/** get generator name
* @return name of this generator */
std::string getName() const;
/** get generator handle
* @return handle of this generator */
Handle getHandle() const;
/** get shader file this generator is attached to
* @return shader file this genrator is attached to */
const ShaderFile& getShaderFile() const;
/** get a vector of all known properties
* @return vecotr with all known properties */
const StringVec& getPropertyNames() const;
/** get the value of a single property by its name
* @param name name of the property
* @return value of the property */
std::string getProperty(const std::string& name) const;
/** get the value of a single property by its index
* @param index index of the property (see getPropertyNames() to get the index of a property)
* @return value of the property */
std::string getProperty(int index) const;
/** set the value of a single property by its name
* @param name name of the property
* @param value value of the property */
void setProperty(const std::string& name, const std::string& value);
/** set the value of a single property by its index
* @param index index of the property (see getPropertyNames() to get the index of a property)
* @param value value of the property */
void setProperty(int index, const std::string& value);
/** generate the shader code with the current property setup
* @return generated shader code */
std::string generateCode() const;
/** constructor
* @param shaderFile shader file this generator is attached to
* @param name name of a valid generator inside the shaderFile */
Generator(const ShaderFile& shaderFile, std::string name);
/** destructor */
virtual ~Generator();
private:
/** deleted copy constructor */
Generator(const Generator& that);
};
/** object to handle error inside this library */
class Exception : public std::exception
{
private:
std::string _message; //!< error message
ErrorCode _errorCode; //!< suitable error code to the error message
public:
/** get error code
* @return error code of this exception */
ErrorCode getErrorCode() const;
/** get error message
* @return error message of this exception */
std::string getMessage() const;
/** @return error message of this exception */
virtual const char* what() const throw();

/** constructor */
Exception(std::string message, ErrorCode errorCode = errUnknown);
/** destructor */
~Exception() throw();
};
}




/**********************************************************************************************************************************/
/* private implementation */
/**********************************************************************************************************************************/
#if defined(WIN32) || defined(WIN64)
lsf::Library::Handle libOpen(const char* name)
{ return LoadLibrary(name); };

template <typename T>
T getAddr(lsf::Library::Handle handle, const char* name)
{
FARPROC tmp = GetProcAddress(handle, name);
return reinterpret_cast<T>(tmp);
};

int libClose(lsf::Library::Handle handle)
{ return FreeLibrary(handle); };

#elif defined(LINUX)
# include <dlfcn.h>
# error "linux is not supported yet"
#else
# error "unknown operation system"
#endif

/* Library::Impl ******************************************************************************************************************/
struct lsf::Library::Impl
{
typedef ShaderFile::Handle (__stdcall *lsf_shader_file_create_t) ();
typedef void (__stdcall *lsf_shader_file_log_callback_t) (const LogLevel loglevel, const char* msg, void* userargs);
typedef ErrorCode (__stdcall *lsf_shader_file_set_log_callback_t) (const ShaderFile::Handle handle, const lsf_shader_file_log_callback_t callback, void* userargs);
typedef ErrorCode (__stdcall *lsf_shader_file_load_from_file_t) (const ShaderFile::Handle handle, const char* filename);
typedef ErrorCode (__stdcall *lsf_shader_file_save_to_file_t) (const ShaderFile::Handle handle, const char* filename);
typedef const char* (__stdcall *lsf_shader_file_get_generator_names_t) (const ShaderFile::Handle handle);
typedef ErrorCode (__stdcall *lsf_shader_file_destroy_t) (const ShaderFile::Handle handle);
typedef Generator::Handle (__stdcall *lsf_generator_create_t) (const ShaderFile::Handle handle, const char* name);
typedef const char* (__stdcall *lsf_generator_get_property_names_t) (const Generator::Handle handle);
typedef const char* (__stdcall *lsf_generator_get_property_t) (const Generator::Handle handle, const int index);
typedef const char* (__stdcall *lsf_generator_get_property_by_name_t) (const Generator::Handle handle, const char* name);
typedef ErrorCode (__stdcall *lsf_generator_set_property_t) (const Generator::Handle handle, const int index, const char* value);
typedef ErrorCode (__stdcall *lsf_generator_set_property_by_name_t) (const Generator::Handle handle, const char* name, const char* value);
typedef const char* (__stdcall *lsf_generator_generate_code_t) (const Generator::Handle handle);
typedef ErrorCode (__stdcall *lsf_generator_destroy_t) (const Generator::Handle handle);

typedef ErrorCode (__stdcall *lsf_init_t) ();
typedef ErrorCode (__stdcall *lsf_get_last_error_code_t) ();
typedef const char* (__stdcall *lsf_get_last_error_msg_t) ();
typedef const char* (__stdcall *lsf_get_last_error_trace_t) ();
typedef ErrorCode (__stdcall *lsf_finish_t) ();

const Library& library;

lsf_shader_file_create_t lsf_shader_file_create;
lsf_shader_file_set_log_callback_t lsf_shader_file_set_log_callback;
lsf_shader_file_load_from_file_t lsf_shader_file_load_from_file;
lsf_shader_file_save_to_file_t lsf_shader_file_save_to_file;
lsf_shader_file_get_generator_names_t lsf_shader_file_get_generator_names;
lsf_shader_file_destroy_t lsf_shader_file_destroy;

lsf_generator_create_t lsf_generator_create;
lsf_generator_get_property_names_t lsf_generator_get_property_names;
lsf_generator_get_property_t lsf_generator_get_property;
lsf_generator_get_property_by_name_t lsf_generator_get_property_by_name;
lsf_generator_set_property_t lsf_generator_set_property;
lsf_generator_set_property_by_name_t lsf_generator_set_property_by_name;
lsf_generator_generate_code_t lsf_generator_generate_code;
lsf_generator_destroy_t lsf_generator_destroy;

lsf_init_t lsf_init;
lsf_get_last_error_code_t lsf_get_last_error_code;
lsf_get_last_error_msg_t lsf_get_last_error_msg;
lsf_get_last_error_trace_t lsf_get_last_error_trace;
lsf_finish_t lsf_finish;
Impl(const Library& library) :
library (library),
lsf_shader_file_create (NULL),
lsf_shader_file_set_log_callback (NULL),
lsf_shader_file_load_from_file (NULL),
lsf_shader_file_save_to_file (NULL),
lsf_shader_file_get_generator_names (NULL),
lsf_shader_file_destroy (NULL),
lsf_generator_create (NULL),
lsf_generator_get_property_names (NULL),
lsf_generator_get_property (NULL),
lsf_generator_get_property_by_name (NULL),
lsf_generator_set_property (NULL),
lsf_generator_set_property_by_name (NULL),
lsf_generator_generate_code (NULL),
lsf_generator_destroy (NULL),
lsf_init (NULL),
lsf_get_last_error_code (NULL),
lsf_get_last_error_msg (NULL),
lsf_get_last_error_trace (NULL),
lsf_finish (NULL)
{ };
};

/* Library ************************************************************************************************************************/
template <typename T>
inline void loadProc(lsf::Library::Handle handle, T& proc, const char* name)
{
proc = getAddr<T>(handle, name);
if (!proc)
throw lsf::Exception(std::string("unable to load method from library: ") + name, lsf::errInvalidMethodName);
}

lsf::ErrorCode lsf::Library::getLastErrorCode() const
{ return _impl->lsf_get_last_error_code(); }

std::string lsf::Library::getLastErrorMsg() const
{ return std::string(_impl->lsf_get_last_error_msg()); }
std::string lsf::Library::getLastErrorTrace() const
{ return std::string(_impl->lsf_get_last_error_trace()); }

lsf::Library::Library(std::string libName) :
_impl(new Impl(*this))
{
_handle = libOpen(libName.c_str());
if (!_handle)
throw Exception("unable to open shared library: " + libName, lsf::errInvalidLibraryName);
loadProc(_handle, _impl->lsf_shader_file_create, "lsf_ShaderFile_create");
loadProc(_handle, _impl->lsf_shader_file_set_log_callback, "lsf_ShaderFile_setLogCallback");
loadProc(_handle, _impl->lsf_shader_file_load_from_file, "lsf_ShaderFile_loadFromFile");
loadProc(_handle, _impl->lsf_shader_file_save_to_file, "lsf_ShaderFile_saveToFile");
loadProc(_handle, _impl->lsf_shader_file_get_generator_names, "lsf_ShaderFile_getGeneratorNames");
loadProc(_handle, _impl->lsf_shader_file_destroy, "lsf_ShaderFile_destroy");
loadProc(_handle, _impl->lsf_generator_create, "lsf_Generator_create");
loadProc(_handle, _impl->lsf_generator_get_property_names, "lsf_Generator_getPropertyNames");
loadProc(_handle, _impl->lsf_generator_get_property, "lsf_Generator_getProperty");
loadProc(_handle, _impl->lsf_generator_get_property_by_name, "lsf_Generator_getPropertyByName");
loadProc(_handle, _impl->lsf_generator_set_property, "lsf_Generator_setProperty");
loadProc(_handle, _impl->lsf_generator_set_property_by_name, "lsf_Generator_setPropertyByName");
loadProc(_handle, _impl->lsf_generator_generate_code, "lsf_Generator_generateCode");
loadProc(_handle, _impl->lsf_generator_destroy, "lsf_Generator_destroy");
loadProc(_handle, _impl->lsf_init, "lsf_init");
loadProc(_handle, _impl->lsf_get_last_error_code, "lsf_getLastErrorCode");
loadProc(_handle, _impl->lsf_get_last_error_msg, "lsf_getLastErrorMsg");
loadProc(_handle, _impl->lsf_get_last_error_trace, "lsf_getLastErrorTrace");
loadProc(_handle, _impl->lsf_finish, "lsf_finish");
ErrorCode err = _impl->lsf_init();
if (err != lsf::errNone)
throw Exception("unable to initialize library", err);
}

lsf::Library::~Library()
{
if (_impl)
{
_impl->lsf_finish();
delete _impl;
_impl = NULL;
}
if (_handle)
{
libClose(_handle);
_handle = NULL;
}
}

/* ShaderFile *********************************************************************************************************************/
void lsf::ShaderFile::logMsg(LogLevel logLevel, const std::string& msg)
{ /* DUMMY */ }
inline lsf::ShaderFile::Handle lsf::ShaderFile::getHandle() const
{ return _handle; }

inline const lsf::Library& lsf::ShaderFile::getLibrary() const
{ return _impl.library; }

void lsf::ShaderFile::loadFromFile(std::string filename)
{
ErrorCode err = _impl.lsf_shader_file_load_from_file(_handle, filename.c_str());
if (err != errNone)
throw Exception("unable to load file", err);
}

void lsf::ShaderFile::saveToFile(std::string filename) const
{
ErrorCode err = _impl.lsf_shader_file_load_from_file(_handle, filename.c_str());
if (err != errNone)
throw Exception("unable to load file", err);
}

lsf::ShaderFile::ShaderFile(const Library& library) :
_impl(*library._impl)
{
_handle = _impl.lsf_shader_file_create();
if (!_handle)
throw Exception(_impl.lsf_get_last_error_msg(), _impl.lsf_get_last_error_code());
ErrorCode err = _impl.lsf_shader_file_set_log_callback(_handle, &ShaderFile::logCallback, this);
if (err != errNone)
logMsg(llWarning, "unable to register log callback");
}

lsf::ShaderFile::~ShaderFile()
{
_impl.lsf_shader_file_destroy(_handle);
_handle = NULL;
}

void lsf::ShaderFile::logCallback(const lsf::LogLevel loglevel, const char* msg, void* userargs)
{
static_cast<ShaderFile*>(userargs)->logMsg(loglevel, std::string(msg));
}

/* Generator **********************************************************************************************************************/
inline std::string lsf::Generator::getName() const
{ return _name; };
inline lsf::Generator::Handle lsf::Generator::getHandle() const
{ return _handle; };
inline const lsf::ShaderFile& lsf::Generator::getShaderFile() const
{ return _shaderFile; };
inline const lsf::Generator::StringVec& lsf::Generator::getPropertyNames() const
{ return _propertyNames; };
std::string lsf::Generator::getProperty(const std::string& name) const
{
const char* ret = _impl.lsf_generator_get_property_by_name(_handle, name.c_str());
if (!ret)
throw Exception(_impl.lsf_get_last_error_msg(), _impl.lsf_get_last_error_code());
return std::string(ret);
}

std::string lsf::Generator::getProperty(int index) const
{
const char* ret = _impl.lsf_generator_get_property(_handle, index);
if (!ret)
throw Exception(_impl.lsf_get_last_error_msg(), _impl.lsf_get_last_error_code());
return std::string(ret);
}

void lsf::Generator::setProperty(const std::string& name, const std::string& value)
{
ErrorCode err = _impl.lsf_generator_set_property_by_name(_handle, name.c_str(), value.c_str());
if (err != errNone)
throw Exception(_impl.lsf_get_last_error_msg(), err);
}

void lsf::Generator::setProperty(int index, const std::string& value)
{
ErrorCode err = _impl.lsf_generator_set_property(_handle, index, value.c_str());
if (err != errNone)
throw Exception(_impl.lsf_get_last_error_msg(), err);
}

std::string lsf::Generator::generateCode() const
{
const char* ret = _impl.lsf_generator_generate_code(_handle);
if (!ret)
throw Exception(_impl.lsf_get_last_error_msg(), _impl.lsf_get_last_error_code());
return std::string(ret);
}

lsf::Generator::Generator(const ShaderFile& shaderFile, std::string name) :
_shaderFile (shaderFile),
_impl (*shaderFile.getLibrary()._impl),
_name (name)
{
_handle = _impl.lsf_generator_create(_shaderFile.getHandle(), _name.c_str());
if (!_handle)
throw Exception(_impl.lsf_get_last_error_msg(), _impl.lsf_get_last_error_code());
const char* propertyNames = _impl.lsf_generator_get_property_names(_handle);
if (propertyNames)
{
std::stringstream ss(propertyNames);
std::string item;
while (std::getline(ss, item, '\x10'))
_propertyNames.push_back(item);
}
}

lsf::Generator::~Generator()
{
_impl.lsf_generator_destroy(_handle);
_handle = NULL;
}

/* Exception **********************************************************************************************************************/
inline lsf::ErrorCode lsf::Exception::getErrorCode() const
{ return _errorCode; }

inline std::string lsf::Exception::getMessage() const
{ return _message; }

const char* lsf::Exception::what() const throw()
{ return _message.c_str(); };

lsf::Exception::Exception(std::string message, ErrorCode errorCode) :
_message (message),
_errorCode (errorCode)
{ }

lsf::Exception::~Exception() throw()
{ }

#endif /* LIB_SHADER_FILE_HPP */




header/delphi/ulibShaderFile.pas → header/ulibShaderFile.pas Datei anzeigen


+ 16
- 7
libShaderFile.lpr Datei anzeigen

@@ -23,6 +23,7 @@ const
LSF_ERR_INVALID_GENERATOR_NAME = $00000020; LSF_ERR_INVALID_GENERATOR_NAME = $00000020;
LSF_ERR_INVALID_PROPERTY_INDEX = $00000021; LSF_ERR_INVALID_PROPERTY_INDEX = $00000021;
LSF_ERR_INVALID_PROPERTY_NAME = $00000022; LSF_ERR_INVALID_PROPERTY_NAME = $00000022;
LSF_ERR_GENERATOR_NOT_ASSIGNED_TO_FILE = $00000023;
LSF_ERR_UNKNOWN_IDENTFIFIER = $00001000; LSF_ERR_UNKNOWN_IDENTFIFIER = $00001000;
LSF_ERR_DUPLICATE_IDENTIFIER = $00001001; LSF_ERR_DUPLICATE_IDENTIFIER = $00001001;
LSF_ERR_OUT_OF_RANGE = $00001002; LSF_ERR_OUT_OF_RANGE = $00001002;
@@ -43,15 +44,19 @@ type
TlsfLogLevel = Cardinal; TlsfLogLevel = Cardinal;
TlsfShaderFileHandle = Pointer; TlsfShaderFileHandle = Pointer;
TlsfShaderGeneratorHandle = Pointer; TlsfShaderGeneratorHandle = Pointer;
TlsfShaderFileLogEvent = procedure(const aLogLevel: TlsfLogLevel; const aMsg: PAnsiChar; const aUserArgs: Pointer);
TlsfShaderFileLogEvent = procedure(const aLogLevel: TlsfLogLevel; const aMsg: PAnsiChar; const aUserArgs: Pointer); stdcall;


//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//internal types and contstants///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// //internal types and contstants/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
type type
TShaderFile = class; TShaderFile = class;
TShaderGenerator = class;


TPropertyMap = specialize TutlMap<string, variant>; TPropertyMap = specialize TutlMap<string, variant>;
TShaderGeneratorHandleHashSet = specialize TutlHashSet<TlsfShaderGeneratorHandle>;
TShaderGeneratorHashSet = specialize TutlHashSet<TShaderGenerator>;

TShaderGenerator = class(TObject) TShaderGenerator = class(TObject)
private private
fOwner: TShaderFile; fOwner: TShaderFile;
@@ -75,7 +80,7 @@ type
destructor Destroy; override; destructor Destroy; override;
end; end;


TShaderGeneratorHashSet = specialize TutlHashSet<TlsfShaderGeneratorHandle>;
TShaderFile = class(TengShaderFile) TShaderFile = class(TengShaderFile)
private private
fLogUserArgs: Pointer; fLogUserArgs: Pointer;
@@ -92,7 +97,7 @@ type
procedure LoadFromFile(const aFilename: String); reintroduce; procedure LoadFromFile(const aFilename: String); reintroduce;


function CreateGenerator(const aName: String): TShaderGenerator; function CreateGenerator(const aName: String): TShaderGenerator;
procedure DestroyGenerator(const aGenerator: TShaderGenerator);
function DestroyGenerator(const aGenerator: TShaderGenerator): TlsfErrorCode;


constructor Create; overload; constructor Create; overload;
destructor Destroy; override; destructor Destroy; override;
@@ -102,7 +107,7 @@ type
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
var var
ShaderFiles: TShaderFileHashSet = nil; ShaderFiles: TShaderFileHashSet = nil;
ShaderGenerators: TShaderGeneratorHashSet = nil;
ShaderGenerators: TShaderGeneratorHandleHashSet = nil;
LastErrorCode: TlsfErrorCode = LSF_ERR_NONE; LastErrorCode: TlsfErrorCode = LSF_ERR_NONE;
LastErrorMsg: String = ''; LastErrorMsg: String = '';
LastErrorTrace: String = ''; LastErrorTrace: String = '';
@@ -443,7 +448,7 @@ begin
try try
result := LSF_ERR_NONE; result := LSF_ERR_NONE;
ShaderFiles := TShaderFileHashSet.Create(true); ShaderFiles := TShaderFileHashSet.Create(true);
ShaderGenerators := TShaderGeneratorHashSet.Create(false);
ShaderGenerators := TShaderGeneratorHandleHashSet.Create(true);
except except
on e: Exception do begin on e: Exception do begin
SetLastError(e); SetLastError(e);
@@ -649,11 +654,15 @@ begin
end; end;


//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure TShaderFile.DestroyGenerator(const aGenerator: TShaderGenerator);
function TShaderFile.DestroyGenerator(const aGenerator: TShaderGenerator): TlsfErrorCode;
begin begin
if Assigned(ShaderGenerators) then if Assigned(ShaderGenerators) then
ShaderGenerators.Remove(aGenerator); ShaderGenerators.Remove(aGenerator);
fGenerators.Remove(aGenerator);
if not fGenerators.Remove(aGenerator) then begin
SetLastError(LSF_ERR_GENERATOR_NOT_ASSIGNED_TO_FILE, 'the passed generator handle is not owned by any file');
result := LastErrorCode;
end else
result := LSF_ERR_NONE;
end; end;


//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


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