mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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265 lines
21 KiB
C
265 lines
21 KiB
C
/* GStreamer
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* Copyright (C) 2011 David Hoyt <dhoyt@hoytsoft.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __DIRECTX_DX_H__
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#define __DIRECTX_DX_H__
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#include <glib.h>
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#include <gmodule.h>
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G_BEGIN_DECLS
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#define WM_DIRECTX WM_USER + 500
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#define DIRECTX_VERSION_UNKNOWN 0
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#define DIRECTX_VERSION_ENCODE_FULL(major, minor, micro) ( \
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((major) * 10000) \
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+ ((minor) * 100) \
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+ ((micro) * 1))
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#define DIRECTX_VERSION_ENCODE(major) \
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DIRECTX_VERSION_ENCODE_FULL(major, 0, 0)
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typedef enum
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{
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DIRECTX_UNKNOWN = DIRECTX_VERSION_UNKNOWN,
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DIRECTX_9 = DIRECTX_VERSION_ENCODE(9),
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DIRECTX_10 = DIRECTX_VERSION_ENCODE(10),
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DIRECTX_10_1 = DIRECTX_VERSION_ENCODE_FULL(10, 1, 0),
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DIRECTX_11 = DIRECTX_VERSION_ENCODE(11)
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} DirectXVersion;
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#define DIRECTX_API(version, initialization_function, module_test, symbol_test, i18n_key, description) \
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static DirectXAPIComponent DIRECTX_ ## version ## _DIRECT3D_COMPONENT = { \
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NULL /*api*/ \
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, FALSE /*initialized*/ \
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, NULL /*initialize*/ \
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, NULL /*module*/ \
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, NULL /*module_name*/ \
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, NULL /*private_data*/ \
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}; \
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static DirectXAPIComponent DIRECTX_ ## version ## _DIRECTINPUT_COMPONENT = { \
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NULL /*api*/ \
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, FALSE /*initialized*/ \
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, NULL /*initialize*/ \
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, NULL /*module*/ \
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, NULL /*module_name*/ \
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, NULL /*private_data*/ \
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}; \
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static DirectXAPIComponent DIRECTX_ ## version ## _DIRECTSOUND_COMPONENT = { \
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NULL /*api*/ \
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, FALSE /*initialized*/ \
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, NULL /*initialize*/ \
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, NULL /*module*/ \
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, NULL /*module_name*/ \
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, NULL /*private_data*/ \
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}; \
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static DirectXAPIComponent DIRECTX_ ## version ## _DIRECTWRITE_COMPONENT = { \
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NULL /*api*/ \
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, FALSE /*initialized*/ \
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, NULL /*initialize*/ \
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, NULL /*module*/ \
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, NULL /*module_name*/ \
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, NULL /*private_data*/ \
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}; \
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static DirectXAPIComponent DIRECTX_ ## version ## _DIRECT2D_COMPONENT = { \
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NULL /*api*/ \
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, FALSE /*initialized*/ \
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, NULL /*initialize*/ \
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, NULL /*module*/ \
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, NULL /*module_name*/ \
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, NULL /*private_data*/ \
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}; \
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static DirectXAPIComponent DIRECTX_ ## version ## _DIRECTCOMPUTE_COMPONENT = { \
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NULL /*api*/ \
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, FALSE /*initialized*/ \
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, NULL /*initialize*/ \
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, NULL /*module*/ \
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, NULL /*module_name*/ \
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, NULL /*private_data*/ \
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}; \
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static DirectXAPI DIRECTX_ ## version ## _API = { \
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version \
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, module_test "." G_MODULE_SUFFIX \
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, symbol_test \
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, i18n_key \
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, description \
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, FALSE \
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, initialization_function \
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, &DIRECTX_ ## version ## _DIRECT3D_COMPONENT \
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, &DIRECTX_ ## version ## _DIRECTINPUT_COMPONENT \
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, &DIRECTX_ ## version ## _DIRECTSOUND_COMPONENT \
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, &DIRECTX_ ## version ## _DIRECTWRITE_COMPONENT \
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, &DIRECTX_ ## version ## _DIRECT2D_COMPONENT \
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, &DIRECTX_ ## version ## _DIRECTCOMPUTE_COMPONENT \
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, {NULL, NULL, NULL} /*reserved*/ \
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}; \
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static void init_directx_ ## version ## _supported_api(void) { \
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DirectXAPI* api; \
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api = &DIRECTX_ ## version ## _API; \
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api->d3d->api = api; \
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api->dinput->api = api; \
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api->dsound->api = api; \
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api->dwrite->api = api; \
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api->d2d->api = api; \
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api->dcompute->api = api; \
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directx_add_supported_api(api); \
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}
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#define INITIALIZE_SUPPORTED_DIRECTX_API(version) \
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init_directx_ ## version ## _supported_api();
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#define DIRECTX_COMPONENT_INIT(component) \
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{ \
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if (component != NULL && component->initialize != NULL && !component->initialized) { \
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component->initialize(component, DIRECTX_COMPONENT_DATA(component)); \
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} \
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}
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#define DIRECTX_OPEN_COMPONENT_MODULE(component, component_module_name) \
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{ \
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GModule* lib; \
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if (component && component->module == NULL && (lib = g_module_open(component_module_name "." G_MODULE_SUFFIX, G_MODULE_BIND_LAZY)) != NULL) { \
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component->module_name = component_module_name "." G_MODULE_SUFFIX; \
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component->module = lib; \
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} \
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}
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#define DIRECTX_OPEN_COMPONENT_SYMBOL(component, dispatch_table_type, component_symbol_name) \
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{ \
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gpointer symbol; \
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if (component && component->module && g_module_symbol(component->module, #component_symbol_name, &symbol)) { \
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((dispatch_table_type*)component->vtable)->component_symbol_name = symbol; \
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} \
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}
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#define DIRECTX_CALL_COMPONENT_SYMBOL(component, dispatch_table_type, component_symbol_name, ...) \
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(((dispatch_table_type*)component->vtable)->component_symbol_name(__VA_ARGS__))
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/* Borrowed from GST_FUNCTION */
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#ifndef DIRECTX_FUNCTION
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#if defined (__GNUC__) || (defined (_MSC_VER) && _MSC_VER >= 1300)
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# define DIRECTX_FUNCTION ((const char*) (__FUNCTION__))
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#elif defined (__STDC__) && defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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# define DIRECTX_FUNCTION ((const char*) (__func__))
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#else
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# define DIRECTX_FUNCTION ((const char*) ("???"))
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#endif
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#endif
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#define DIRECTX_DEBUG(...) (directx_log_debug(__FILE__, DIRECTX_FUNCTION, __LINE__, __VA_ARGS__))
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#define DIRECTX_WARNING(...) (directx_log_warning(__FILE__, DIRECTX_FUNCTION, __LINE__, __VA_ARGS__))
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#define DIRECTX_ERROR(...) (directx_log_error(__FILE__, DIRECTX_FUNCTION, __LINE__, __VA_ARGS__))
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#define DIRECTX_COMPONENT_API(component) (component->api)
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#define DIRECTX_COMPONENT_DATA(component) (component->private_data)
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#define DIRECTX_SET_COMPONENT_DATA(component, data) (component->private_data = data)
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#define DIRECTX_SET_COMPONENT_INIT(component, init_function) (component->initialize = init_function)
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#define DIRECTX_SET_COMPONENT_DISPATCH_TABLE(component, dispatch_table) (component->vtable = dispatch_table)
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#define DIRECTX_VERSION_IS_UNKNOWN(version) (version == DIRECTX_VERSION_UNKNOWN)
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#define DIRECTX_SUPPORTED_API_IS_LAST(lib) (lib == NULL || lib->version == DIRECTX_VERSION_UNKNOWN || lib->module_name == NULL)
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typedef struct _DirectXInitParams DirectXInitParams;
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typedef struct _DirectXAPI DirectXAPI;
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typedef struct _DirectXAPIComponent DirectXAPIComponent;
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/* Function pointers */
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typedef void (*DirectXInitializationFunction) (const DirectXAPI* api);
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typedef void (*DirectXLogFunction) (const gchar* file, const gchar* function, gint line, const gchar* format, va_list args); /* vprintf-style logging function */
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struct _DirectXInitParams
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{
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DirectXLogFunction log_debug;
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DirectXLogFunction log_warning;
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DirectXLogFunction log_error;
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};
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struct _DirectXAPI
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{
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gint version;
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const gchar* module_test;
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const gchar* symbol_test;
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const gchar* i18n_key;
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const gchar* description;
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gboolean initialized;
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DirectXInitializationFunction initialize;
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DirectXAPIComponent* d3d;
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DirectXAPIComponent* dinput;
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DirectXAPIComponent* dsound;
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DirectXAPIComponent* dwrite;
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DirectXAPIComponent* d2d;
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DirectXAPIComponent* dcompute;
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gpointer reserved[3];
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};
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#define DIRECTX_D3D(api) (api->d3d)
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#define DIRECTX_DINPUT(api) (api->dinput)
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#define DIRECTX_DSOUND(api) (api->dsound)
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#define DIRECTX_DWRITE(api) (api->dwrite)
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#define DIRECTX_D2D(api) (api->d2d)
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#define DIRECTX_DCOMPUTE(api) (api->dcompute)
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#define DIRECTX_D3D_COMPONENT_DATA(api) (DIRECTX_COMPONENT_DATA(DIRECTX_D3D(api)))
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#define DIRECTX_DINPUT_COMPONENT_DATA(api) (DIRECTX_COMPONENT_DATA(DIRECTX_DINPUT(api)))
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#define DIRECTX_DSOUND_COMPONENT_DATA(api) (DIRECTX_COMPONENT_DATA(DIRECTX_DSOUND(api)))
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#define DIRECTX_DWRITE_COMPONENT_DATA(api) (DIRECTX_COMPONENT_DATA(DIRECTX_DWRITE(api)))
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#define DIRECTX_D2D_COMPONENT_DATA(api) (DIRECTX_COMPONENT_DATA(DIRECTX_D2D(api)))
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#define DIRECTX_DCOMPUTE_COMPONENT_DATA(api) (DIRECTX_COMPONENT_DATA(DIRECTX_DCOMPUTE(api)))
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/* DirectX component function table */
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typedef void (*DirectXComponentInitializeFunction) (DirectXAPIComponent* d3d, gpointer data);
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struct _DirectXAPIComponent
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{
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DirectXAPI* api;
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gboolean initialized;
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DirectXComponentInitializeFunction initialize;
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GModule* module;
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const gchar* module_name;
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gpointer vtable;
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gpointer private_data;
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};
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gboolean directx_initialize (DirectXInitParams* init_params);
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gboolean directx_is_initialized (void);
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gboolean directx_is_supported (void);
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void directx_log_debug(const gchar* file, const gchar* function, gint line, const gchar * format, ...);
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void directx_log_warning(const gchar* file, const gchar* function, gint line, const gchar * format, ...);
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void directx_log_error(const gchar* file, const gchar* function, gint line, const gchar * format, ...);
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GList* directx_get_supported_apis (void);
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gint32 directx_get_supported_api_count (void);
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gboolean directx_add_supported_api (DirectXAPI* api);
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DirectXAPI* directx_get_best_available_api (void);
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gboolean directx_initialize_best_available_api (void);
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gboolean directx_best_available_api_is_initialized (void);
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gboolean directx_api_initialize (DirectXAPI* api);
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gboolean directx_api_is_initialized (const DirectXAPI* api);
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G_END_DECLS
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#endif /* __DIRECTX_DX_H__ */
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