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Added interface for shared library linking.

Branimir Karadžić 10 years ago
parent
commit
539353b7cb
4 changed files with 312 additions and 30 deletions
  1. 4 4
      include/bgfx/bgfx.h
  2. 2 0
      include/bgfx/bgfxdefines.h
  3. 161 26
      include/bgfx/c99/bgfx.h
  4. 145 0
      src/bgfx.cpp

+ 4 - 4
include/bgfx/bgfx.h

@@ -750,7 +750,7 @@ namespace bgfx
 	///
 	///
 	/// @param[in] _vendorId Vendor PCI id. If set to `BGFX_PCI_ID_NONE` it will select the first
 	/// @param[in] _vendorId Vendor PCI id. If set to `BGFX_PCI_ID_NONE` it will select the first
 	///   device.
 	///   device.
-	///   - `BGFX_PCI_ID_NONE` - autoselect.
+	///   - `BGFX_PCI_ID_NONE` - auto-select.
 	///   - `BGFX_PCI_ID_AMD` - AMD.
 	///   - `BGFX_PCI_ID_AMD` - AMD.
 	///   - `BGFX_PCI_ID_INTEL` - Intel.
 	///   - `BGFX_PCI_ID_INTEL` - Intel.
 	///   - `BGFX_PCI_ID_NVIDIA` - nVidia.
 	///   - `BGFX_PCI_ID_NVIDIA` - nVidia.
@@ -763,9 +763,9 @@ namespace bgfx
 	///
 	///
 	/// @param[in] _reallocator Custom allocator. When custom allocator is not
 	/// @param[in] _reallocator Custom allocator. When custom allocator is not
 	///   specified, library uses default CRT allocator. The library assumes
 	///   specified, library uses default CRT allocator. The library assumes
-	///   icustom allocator is thread safe.
+	///   custom allocator is thread safe.
 	///
 	///
-	/// @returns `true` if initialization is sucessful.
+	/// @returns `true` if initialization is successful.
 	///
 	///
 	/// @attention C99 equivalent is `bgfx_init`.
 	/// @attention C99 equivalent is `bgfx_init`.
 	///
 	///
@@ -1492,7 +1492,7 @@ namespace bgfx
 	/// @returns Handle to frame buffer object.
 	/// @returns Handle to frame buffer object.
 	///
 	///
 	/// @remarks
 	/// @remarks
-	///   Frame buffer cannnot be used for sampling.
+	///   Frame buffer cannot be used for sampling.
 	///
 	///
 	/// @attention C99 equivalent is `bgfx_create_frame_buffer_from_nwh`.
 	/// @attention C99 equivalent is `bgfx_create_frame_buffer_from_nwh`.
 	///
 	///

+ 2 - 0
include/bgfx/bgfxdefines.h

@@ -6,6 +6,8 @@
 #ifndef BGFX_DEFINES_H_HEADER_GUARD
 #ifndef BGFX_DEFINES_H_HEADER_GUARD
 #define BGFX_DEFINES_H_HEADER_GUARD
 #define BGFX_DEFINES_H_HEADER_GUARD
 
 
+#define BGFX_API_VERSION UINT32_C(1)
+
 ///
 ///
 #define BGFX_STATE_RGB_WRITE             UINT64_C(0x0000000000000001) //!< Enable RGB write.
 #define BGFX_STATE_RGB_WRITE             UINT64_C(0x0000000000000001) //!< Enable RGB write.
 #define BGFX_STATE_ALPHA_WRITE           UINT64_C(0x0000000000000002) //!< Enable alpha write.
 #define BGFX_STATE_ALPHA_WRITE           UINT64_C(0x0000000000000002) //!< Enable alpha write.

+ 161 - 26
include/bgfx/c99/bgfx.h

@@ -13,7 +13,34 @@
 #include <stdint.h>  // uint32_t
 #include <stdint.h>  // uint32_t
 #include <stdlib.h>  // size_t
 #include <stdlib.h>  // size_t
 
 
+#ifndef BGFX_SHARED_LIB_BUILD
+#    define BGFX_SHARED_LIB_BUILD 0
+#endif // BGFX_SHARED_LIB_BUILD
+
+#ifndef BGFX_SHARED_LIB_USE
+#    define BGFX_SHARED_LIB_USE 0
+#endif // BGFX_SHARED_LIB_USE
+
+#if defined(_MSC_VER)
+#   if BGFX_SHARED_LIB_BUILD
+#       define BGFX_SHARED_LIB_API __declspec(dllexport)
+#   elif BGFX_SHARED_LIB_USE
+#       define BGFX_SHARED_LIB_API __declspec(dllimport)
+#   else
+#       define BGFX_SHARED_LIB_API
+#   endif // BGFX_SHARED_LIB_*
+#else
+#   define BGFX_SHARED_LIB_API
+#endif // defined(_MSC_VER)
+
+#if defined(__cplusplus)
+#   define BGFX_C_API extern "C" BGFX_SHARED_LIB_API
+#else
+#   define BGFX_C_API BGFX_SHARED_LIB_API
+#endif // defined(__cplusplus)
+
 #include <bgfx/bgfxdefines.h>
 #include <bgfx/bgfxdefines.h>
+#include <bgfx/c99/bgfxplatform.h>
 
 
 typedef enum bgfx_renderer_type
 typedef enum bgfx_renderer_type
 {
 {
@@ -366,32 +393,6 @@ typedef enum bgfx_fatal
 
 
 } bgfx_fatal_t;
 } bgfx_fatal_t;
 
 
-#ifndef BGFX_SHARED_LIB_BUILD
-#    define BGFX_SHARED_LIB_BUILD 0
-#endif // BGFX_SHARED_LIB_BUILD
-
-#ifndef BGFX_SHARED_LIB_USE
-#    define BGFX_SHARED_LIB_USE 0
-#endif // BGFX_SHARED_LIB_USE
-
-#if defined(_MSC_VER)
-#   if BGFX_SHARED_LIB_BUILD
-#       define BGFX_SHARED_LIB_API __declspec(dllexport)
-#   elif BGFX_SHARED_LIB_USE
-#       define BGFX_SHARED_LIB_API __declspec(dllimport)
-#   else
-#       define BGFX_SHARED_LIB_API
-#   endif // BGFX_SHARED_LIB_*
-#else
-#   define BGFX_SHARED_LIB_API
-#endif // defined(_MSC_VER)
-
-#if defined(__cplusplus)
-#   define BGFX_C_API extern "C" BGFX_SHARED_LIB_API
-#else
-#   define BGFX_C_API BGFX_SHARED_LIB_API
-#endif // defined(__cplusplus)
-
 /**/
 /**/
 typedef struct bgfx_callback_interface
 typedef struct bgfx_callback_interface
 {
 {
@@ -430,6 +431,140 @@ typedef struct bgfx_reallocator_vtbl
 
 
 } bgfx_reallocator_vtbl_t;
 } bgfx_reallocator_vtbl_t;
 
 
+/**/
+typedef struct bgfx_interface_vtbl
+{
+    bgfx_render_frame_t (*render_frame)();
+    void (*set_platform_data)(bgfx_platform_data_t* _pd);
+    void (*vertex_decl_begin)(bgfx_vertex_decl_t* _decl, bgfx_renderer_type_t _renderer);
+    void (*vertex_decl_add)(bgfx_vertex_decl_t* _decl, bgfx_attrib_t _attrib, uint8_t _num, bgfx_attrib_type_t _type, bool _normalized, bool _asInt);
+    void (*vertex_decl_skip)(bgfx_vertex_decl_t* _decl, uint8_t _num);
+    void (*vertex_decl_end)(bgfx_vertex_decl_t* _decl);
+    void (*vertex_pack)(const float _input[4], bool _inputNormalized, bgfx_attrib_t _attr, const bgfx_vertex_decl_t* _decl, void* _data, uint32_t _index);
+    void (*vertex_unpack)(float _output[4], bgfx_attrib_t _attr, const bgfx_vertex_decl_t* _decl, const void* _data, uint32_t _index);
+    void (*vertex_convert)(const bgfx_vertex_decl_t* _destDecl, void* _destData, const bgfx_vertex_decl_t* _srcDecl, const void* _srcData, uint32_t _num);
+    uint16_t (*weld_vertices)(uint16_t* _output, const bgfx_vertex_decl_t* _decl, const void* _data, uint16_t _num, float _epsilon);
+    void (*image_swizzle_bgra8)(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst);
+    void (*image_rgba8_downsample_2x2)(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst);
+    uint8_t (*get_supported_renderers)(bgfx_renderer_type_t _enum[BGFX_RENDERER_TYPE_COUNT]);
+    const char* (*get_renderer_name)(bgfx_renderer_type_t _type);
+    bool (*init)(bgfx_renderer_type_t _type, uint16_t _vendorId, uint16_t _deviceId, bgfx_callback_interface_t* _callback, bgfx_reallocator_interface_t* _allocator);
+    void (*shutdown)();
+    void (*reset)(uint32_t _width, uint32_t _height, uint32_t _flags);
+    uint32_t (*frame)();
+    bgfx_renderer_type_t (*get_renderer_type)();
+    const bgfx_caps_t* (*get_caps)();
+    const bgfx_hmd_t* (*get_hmd)();
+    const bgfx_stats_t* (*get_stats)();
+    const bgfx_memory_t* (*alloc)(uint32_t _size);
+    const bgfx_memory_t* (*copy)(const void* _data, uint32_t _size);
+    const bgfx_memory_t* (*make_ref)(const void* _data, uint32_t _size);
+    const bgfx_memory_t* (*make_ref_release)(const void* _data, uint32_t _size, bgfx_release_fn_t _releaseFn, void* _userData);
+    void (*set_debug)(uint32_t _debug);
+    void (*dbg_text_clear)(uint8_t _attr, bool _small);
+    void (*dbg_text_printf)(uint16_t _x, uint16_t _y, uint8_t _attr, const char* _format, ...);
+    void (*dbg_text_image)(uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const void* _data, uint16_t _pitch);
+    bgfx_index_buffer_handle_t (*create_index_buffer)(const bgfx_memory_t* _mem, uint16_t _flags);
+    void (*destroy_index_buffer)(bgfx_index_buffer_handle_t _handle);
+    bgfx_vertex_buffer_handle_t (*create_vertex_buffer)(const bgfx_memory_t* _mem, const bgfx_vertex_decl_t* _decl, uint16_t _flags);
+    void (*destroy_vertex_buffer)(bgfx_vertex_buffer_handle_t _handle);
+    bgfx_dynamic_index_buffer_handle_t (*create_dynamic_index_buffer)(uint32_t _num, uint16_t _flags);
+    bgfx_dynamic_index_buffer_handle_t (*create_dynamic_index_buffer_mem)(const bgfx_memory_t* _mem, uint16_t _flags);
+    void (*update_dynamic_index_buffer)(bgfx_dynamic_index_buffer_handle_t _handle, uint32_t _startIndex, const bgfx_memory_t* _mem);
+    void (*destroy_dynamic_index_buffer)(bgfx_dynamic_index_buffer_handle_t _handle);
+    bgfx_dynamic_vertex_buffer_handle_t (*create_dynamic_vertex_buffer)(uint32_t _num, const bgfx_vertex_decl_t* _decl, uint16_t _flags);
+    bgfx_dynamic_vertex_buffer_handle_t (*create_dynamic_vertex_buffer_mem)(const bgfx_memory_t* _mem, const bgfx_vertex_decl_t* _decl, uint16_t _flags);
+    void (*update_dynamic_vertex_buffer)(bgfx_dynamic_vertex_buffer_handle_t _handle, uint32_t _startVertex, const bgfx_memory_t* _mem);
+    void (*destroy_dynamic_vertex_buffer)(bgfx_dynamic_vertex_buffer_handle_t _handle);
+    bool (*check_avail_transient_index_buffer)(uint32_t _num);
+    bool (*check_avail_transient_vertex_buffer)(uint32_t _num, const bgfx_vertex_decl_t* _decl);
+    bool (*check_avail_instance_data_buffer)(uint32_t _num, uint16_t _stride);
+    bool (*check_avail_transient_buffers)(uint32_t _numVertices, const bgfx_vertex_decl_t* _decl, uint32_t _numIndices);
+    void (*alloc_transient_index_buffer)(bgfx_transient_index_buffer_t* _tib, uint32_t _num);
+    void (*alloc_transient_vertex_buffer)(bgfx_transient_vertex_buffer_t* _tvb, uint32_t _num, const bgfx_vertex_decl_t* _decl);
+    bool (*alloc_transient_buffers)(bgfx_transient_vertex_buffer_t* _tvb, const bgfx_vertex_decl_t* _decl, uint32_t _numVertices, bgfx_transient_index_buffer_t* _tib, uint32_t _numIndices);
+    const bgfx_instance_data_buffer_t* (*alloc_instance_data_buffer)(uint32_t _num, uint16_t _stride);
+    bgfx_indirect_buffer_handle_t (*create_indirect_buffer)(uint32_t _num);
+    void (*destroy_indirect_buffer)(bgfx_indirect_buffer_handle_t _handle);
+    bgfx_shader_handle_t (*create_shader)(const bgfx_memory_t* _mem);
+    uint16_t (*get_shader_uniforms)(bgfx_shader_handle_t _handle, bgfx_uniform_handle_t* _uniforms, uint16_t _max);
+    void (*destroy_shader)(bgfx_shader_handle_t _handle);
+    bgfx_program_handle_t (*create_program)(bgfx_shader_handle_t _vsh, bgfx_shader_handle_t _fsh, bool _destroyShaders);
+    bgfx_program_handle_t (*create_compute_program)(bgfx_shader_handle_t _csh, bool _destroyShaders);
+    void (*destroy_program)(bgfx_program_handle_t _handle);
+    void (*calc_texture_size)(bgfx_texture_info_t* _info, uint16_t _width, uint16_t _height, uint16_t _depth, bool _cubeMap, uint8_t _numMips, bgfx_texture_format_t _format);
+    bgfx_texture_handle_t (*create_texture)(const bgfx_memory_t* _mem, uint32_t _flags, uint8_t _skip, bgfx_texture_info_t* _info);
+    bgfx_texture_handle_t (*create_texture_2d)(uint16_t _width, uint16_t _height, uint8_t _numMips, bgfx_texture_format_t _format, uint32_t _flags, const bgfx_memory_t* _mem);
+    bgfx_texture_handle_t (*create_texture_2d_scaled)(bgfx_backbuffer_ratio_t _ratio, uint8_t _numMips, bgfx_texture_format_t _format, uint32_t _flags);
+    bgfx_texture_handle_t (*create_texture_3d)(uint16_t _width, uint16_t _height, uint16_t _depth, uint8_t _numMips, bgfx_texture_format_t _format, uint32_t _flags, const bgfx_memory_t* _mem);
+    bgfx_texture_handle_t (*create_texture_cube)(uint16_t _size, uint8_t _numMips, bgfx_texture_format_t _format, uint32_t _flags, const bgfx_memory_t* _mem);
+    void (*update_texture_2d)(bgfx_texture_handle_t _handle, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const bgfx_memory_t* _mem, uint16_t _pitch);
+    void (*update_texture_3d)(bgfx_texture_handle_t _handle, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _z, uint16_t _width, uint16_t _height, uint16_t _depth, const bgfx_memory_t* _mem);
+    void (*update_texture_cube)(bgfx_texture_handle_t _handle, uint8_t _side, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const bgfx_memory_t* _mem, uint16_t _pitch);
+    void (*destroy_texture)(bgfx_texture_handle_t _handle);
+    bgfx_frame_buffer_handle_t (*create_frame_buffer)(uint16_t _width, uint16_t _height, bgfx_texture_format_t _format, uint32_t _textureFlags);
+    bgfx_frame_buffer_handle_t (*create_frame_buffer_scaled)(bgfx_backbuffer_ratio_t _ratio, bgfx_texture_format_t _format, uint32_t _textureFlags);
+    bgfx_frame_buffer_handle_t (*create_frame_buffer_from_handles)(uint8_t _num, const bgfx_texture_handle_t* _handles, bool _destroyTextures);
+    bgfx_frame_buffer_handle_t (*create_frame_buffer_from_nwh)(void* _nwh, uint16_t _width, uint16_t _height, bgfx_texture_format_t _depthFormat);
+    void (*destroy_frame_buffer)(bgfx_frame_buffer_handle_t _handle);
+    bgfx_uniform_handle_t (*create_uniform)(const char* _name, bgfx_uniform_type_t _type, uint16_t _num);
+    void (*destroy_uniform)(bgfx_uniform_handle_t _handle);
+    bgfx_occlusion_query_handle_t (*create_occlusion_query)();
+    bgfx_occlusion_query_result_t (*get_result)(bgfx_occlusion_query_handle_t _handle);
+    void (*destroy_occlusion_query)(bgfx_occlusion_query_handle_t _handle);
+    void (*set_palette_color)(uint8_t _index, const float _rgba[4]);
+    void (*set_view_name)(uint8_t _id, const char* _name);
+    void (*set_view_rect)(uint8_t _id, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height);
+    void (*set_view_scissor)(uint8_t _id, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height);
+    void (*set_view_clear)(uint8_t _id, uint16_t _flags, uint32_t _rgba, float _depth, uint8_t _stencil);
+    void (*set_view_clear_mrt)(uint8_t _id, uint16_t _flags, float _depth, uint8_t _stencil, uint8_t _0, uint8_t _1, uint8_t _2, uint8_t _3, uint8_t _4, uint8_t _5, uint8_t _6, uint8_t _7);
+    void (*set_view_seq)(uint8_t _id, bool _enabled);
+    void (*set_view_frame_buffer)(uint8_t _id, bgfx_frame_buffer_handle_t _handle);
+    void (*set_view_transform)(uint8_t _id, const void* _view, const void* _proj);
+    void (*set_view_transform_stereo)(uint8_t _id, const void* _view, const void* _projL, uint8_t _flags, const void* _projR);
+    void (*set_view_remap)(uint8_t _id, uint8_t _num, const void* _remap);
+    void (*set_marker)(const char* _marker);
+    void (*set_state)(uint64_t _state, uint32_t _rgba);
+    void (*set_condition)(bgfx_occlusion_query_handle_t _handle, bool _visible);
+    void (*set_stencil)(uint32_t _fstencil, uint32_t _bstencil);
+    uint16_t (*set_scissor)(uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height);
+    void (*set_scissor_cached)(uint16_t _cache);
+    uint32_t (*set_transform)(const void* _mtx, uint16_t _num);
+    uint32_t (*alloc_transform)(bgfx_transform_t* _transform, uint16_t _num);
+    void (*set_transform_cached)(uint32_t _cache, uint16_t _num);
+    void (*set_uniform)(bgfx_uniform_handle_t _handle, const void* _value, uint16_t _num);
+    void (*set_index_buffer)(bgfx_index_buffer_handle_t _handle, uint32_t _firstIndex, uint32_t _numIndices);
+    void (*set_dynamic_index_buffer)(bgfx_dynamic_index_buffer_handle_t _handle, uint32_t _firstIndex, uint32_t _numIndices);
+    void (*set_transient_index_buffer)(const bgfx_transient_index_buffer_t* _tib, uint32_t _firstIndex, uint32_t _numIndices);
+    void (*set_vertex_buffer)(bgfx_vertex_buffer_handle_t _handle, uint32_t _startVertex, uint32_t _numVertices);
+    void (*set_dynamic_vertex_buffer)(bgfx_dynamic_vertex_buffer_handle_t _handle, uint32_t _numVertices);
+    void (*set_transient_vertex_buffer)(const bgfx_transient_vertex_buffer_t* _tvb, uint32_t _startVertex, uint32_t _numVertices);
+    void (*set_instance_data_buffer)(const bgfx_instance_data_buffer_t* _idb, uint32_t _num);
+    void (*set_instance_data_from_vertex_buffer)(bgfx_vertex_buffer_handle_t _handle, uint32_t _startVertex, uint32_t _num);
+    void (*set_instance_data_from_dynamic_vertex_buffer)(bgfx_dynamic_vertex_buffer_handle_t _handle, uint32_t _startVertex, uint32_t _num);
+    void (*set_texture)(uint8_t _stage, bgfx_uniform_handle_t _sampler, bgfx_texture_handle_t _handle, uint32_t _flags);
+    void (*set_texture_from_frame_buffer)(uint8_t _stage, bgfx_uniform_handle_t _sampler, bgfx_frame_buffer_handle_t _handle, uint8_t _attachment, uint32_t _flags);
+    uint32_t (*touch)(uint8_t _id);
+    uint32_t (*submit)(uint8_t _id, bgfx_program_handle_t _handle, int32_t _depth);
+    uint32_t (*submit_occlusion_query)(uint8_t _id, bgfx_program_handle_t _program, bgfx_occlusion_query_handle_t _occlusionQuery, int32_t _depth);
+    uint32_t (*submit_indirect)(uint8_t _id, bgfx_program_handle_t _handle, bgfx_indirect_buffer_handle_t _indirectHandle, uint16_t _start, uint16_t _num, int32_t _depth);
+    void (*set_image)(uint8_t _stage, bgfx_uniform_handle_t _sampler, bgfx_texture_handle_t _handle, uint8_t _mip, bgfx_access_t _access, bgfx_texture_format_t _format);
+    void (*set_image_from_frame_buffer)(uint8_t _stage, bgfx_uniform_handle_t _sampler, bgfx_frame_buffer_handle_t _handle, uint8_t _attachment, bgfx_access_t _access, bgfx_texture_format_t _format);
+    void (*set_compute_index_buffer)(uint8_t _stage, bgfx_index_buffer_handle_t _handle, bgfx_access_t _access);
+    void (*set_compute_vertex_buffer)(uint8_t _stage, bgfx_vertex_buffer_handle_t _handle, bgfx_access_t _access);
+    void (*set_compute_dynamic_index_buffer)(uint8_t _stage, bgfx_dynamic_index_buffer_handle_t _handle, bgfx_access_t _access);
+    void (*set_compute_dynamic_vertex_buffer)(uint8_t _stage, bgfx_dynamic_vertex_buffer_handle_t _handle, bgfx_access_t _access);
+    void (*set_compute_indirect_buffer)(uint8_t _stage, bgfx_indirect_buffer_handle_t _handle, bgfx_access_t _access);
+    uint32_t (*dispatch)(uint8_t _id, bgfx_program_handle_t _handle, uint16_t _numX, uint16_t _numY, uint16_t _numZ, uint8_t _flags);
+    uint32_t (*dispatch_indirect)(uint8_t _id, bgfx_program_handle_t _handle, bgfx_indirect_buffer_handle_t _indirectHandle, uint16_t _start, uint16_t _num, uint8_t _flags);
+    void (*discard)();
+    void (*blit)(uint8_t _id, bgfx_texture_handle_t _dst, uint8_t _dstMip, uint16_t _dstX, uint16_t _dstY, uint16_t _dstZ, bgfx_texture_handle_t _src, uint8_t _srcMip, uint16_t _srcX, uint16_t _srcY, uint16_t _srcZ, uint16_t _width, uint16_t _height, uint16_t _depth);
+    void (*save_screen_shot)(const char* _filePath);
+
+} bgfx_interface_vtbl_t;
+
+typedef bgfx_interface_vtbl_t* (*PFN_BGFX_GET_INTERFACE)(uint32_t _version);
+
 /**/
 /**/
 BGFX_C_API void bgfx_vertex_decl_begin(bgfx_vertex_decl_t* _decl, bgfx_renderer_type_t _renderer);
 BGFX_C_API void bgfx_vertex_decl_begin(bgfx_vertex_decl_t* _decl, bgfx_renderer_type_t _renderer);
 
 

+ 145 - 0
src/bgfx.cpp

@@ -4305,3 +4305,148 @@ BGFX_C_API void bgfx_set_platform_data(bgfx_platform_data_t* _pd)
 {
 {
 	bgfx::setPlatformData(*(bgfx::PlatformData*)_pd);
 	bgfx::setPlatformData(*(bgfx::PlatformData*)_pd);
 }
 }
+
+BGFX_C_API bgfx_interface_vtbl_t* bgfx_get_interface(uint32_t _version)
+{
+	if (_version == BGFX_API_VERSION)
+	{
+#define BGFX_IMPORT \
+	BGFX_IMPORT_FUNC(render_frame) \
+	BGFX_IMPORT_FUNC(set_platform_data) \
+	BGFX_IMPORT_FUNC(vertex_decl_begin) \
+	BGFX_IMPORT_FUNC(vertex_decl_add) \
+	BGFX_IMPORT_FUNC(vertex_decl_skip) \
+	BGFX_IMPORT_FUNC(vertex_decl_end) \
+	BGFX_IMPORT_FUNC(vertex_pack) \
+	BGFX_IMPORT_FUNC(vertex_unpack) \
+	BGFX_IMPORT_FUNC(vertex_convert) \
+	BGFX_IMPORT_FUNC(weld_vertices) \
+	BGFX_IMPORT_FUNC(image_swizzle_bgra8) \
+	BGFX_IMPORT_FUNC(image_rgba8_downsample_2x2) \
+	BGFX_IMPORT_FUNC(get_supported_renderers) \
+	BGFX_IMPORT_FUNC(get_renderer_name) \
+	BGFX_IMPORT_FUNC(init) \
+	BGFX_IMPORT_FUNC(shutdown) \
+	BGFX_IMPORT_FUNC(reset) \
+	BGFX_IMPORT_FUNC(frame) \
+	BGFX_IMPORT_FUNC(get_renderer_type) \
+	BGFX_IMPORT_FUNC(get_caps) \
+	BGFX_IMPORT_FUNC(get_hmd) \
+	BGFX_IMPORT_FUNC(get_stats) \
+	BGFX_IMPORT_FUNC(alloc) \
+	BGFX_IMPORT_FUNC(copy) \
+	BGFX_IMPORT_FUNC(make_ref) \
+	BGFX_IMPORT_FUNC(make_ref_release) \
+	BGFX_IMPORT_FUNC(set_debug) \
+	BGFX_IMPORT_FUNC(dbg_text_clear) \
+	BGFX_IMPORT_FUNC(dbg_text_printf) \
+	BGFX_IMPORT_FUNC(dbg_text_image) \
+	BGFX_IMPORT_FUNC(create_index_buffer) \
+	BGFX_IMPORT_FUNC(destroy_index_buffer) \
+	BGFX_IMPORT_FUNC(create_vertex_buffer) \
+	BGFX_IMPORT_FUNC(destroy_vertex_buffer) \
+	BGFX_IMPORT_FUNC(create_dynamic_index_buffer) \
+	BGFX_IMPORT_FUNC(create_dynamic_index_buffer_mem) \
+	BGFX_IMPORT_FUNC(update_dynamic_index_buffer) \
+	BGFX_IMPORT_FUNC(destroy_dynamic_index_buffer) \
+	BGFX_IMPORT_FUNC(create_dynamic_vertex_buffer) \
+	BGFX_IMPORT_FUNC(create_dynamic_vertex_buffer_mem) \
+	BGFX_IMPORT_FUNC(update_dynamic_vertex_buffer) \
+	BGFX_IMPORT_FUNC(destroy_dynamic_vertex_buffer) \
+	BGFX_IMPORT_FUNC(check_avail_transient_index_buffer) \
+	BGFX_IMPORT_FUNC(check_avail_transient_vertex_buffer) \
+	BGFX_IMPORT_FUNC(check_avail_instance_data_buffer) \
+	BGFX_IMPORT_FUNC(check_avail_transient_buffers) \
+	BGFX_IMPORT_FUNC(alloc_transient_index_buffer) \
+	BGFX_IMPORT_FUNC(alloc_transient_vertex_buffer) \
+	BGFX_IMPORT_FUNC(alloc_transient_buffers) \
+	BGFX_IMPORT_FUNC(alloc_instance_data_buffer) \
+	BGFX_IMPORT_FUNC(create_indirect_buffer) \
+	BGFX_IMPORT_FUNC(destroy_indirect_buffer) \
+	BGFX_IMPORT_FUNC(create_shader) \
+	BGFX_IMPORT_FUNC(get_shader_uniforms) \
+	BGFX_IMPORT_FUNC(destroy_shader) \
+	BGFX_IMPORT_FUNC(create_program) \
+	BGFX_IMPORT_FUNC(create_compute_program) \
+	BGFX_IMPORT_FUNC(destroy_program) \
+	BGFX_IMPORT_FUNC(calc_texture_size) \
+	BGFX_IMPORT_FUNC(create_texture) \
+	BGFX_IMPORT_FUNC(create_texture_2d) \
+	BGFX_IMPORT_FUNC(create_texture_2d_scaled) \
+	BGFX_IMPORT_FUNC(create_texture_3d) \
+	BGFX_IMPORT_FUNC(create_texture_cube) \
+	BGFX_IMPORT_FUNC(update_texture_2d) \
+	BGFX_IMPORT_FUNC(update_texture_3d) \
+	BGFX_IMPORT_FUNC(update_texture_cube) \
+	BGFX_IMPORT_FUNC(destroy_texture) \
+	BGFX_IMPORT_FUNC(create_frame_buffer) \
+	BGFX_IMPORT_FUNC(create_frame_buffer_scaled) \
+	BGFX_IMPORT_FUNC(create_frame_buffer_from_handles) \
+	BGFX_IMPORT_FUNC(create_frame_buffer_from_nwh) \
+	BGFX_IMPORT_FUNC(destroy_frame_buffer) \
+	BGFX_IMPORT_FUNC(create_uniform) \
+	BGFX_IMPORT_FUNC(destroy_uniform) \
+	BGFX_IMPORT_FUNC(create_occlusion_query) \
+	BGFX_IMPORT_FUNC(get_result) \
+	BGFX_IMPORT_FUNC(destroy_occlusion_query) \
+	BGFX_IMPORT_FUNC(set_palette_color) \
+	BGFX_IMPORT_FUNC(set_view_name) \
+	BGFX_IMPORT_FUNC(set_view_rect) \
+	BGFX_IMPORT_FUNC(set_view_scissor) \
+	BGFX_IMPORT_FUNC(set_view_clear) \
+	BGFX_IMPORT_FUNC(set_view_clear_mrt) \
+	BGFX_IMPORT_FUNC(set_view_seq) \
+	BGFX_IMPORT_FUNC(set_view_frame_buffer) \
+	BGFX_IMPORT_FUNC(set_view_transform) \
+	BGFX_IMPORT_FUNC(set_view_transform_stereo) \
+	BGFX_IMPORT_FUNC(set_view_remap) \
+	BGFX_IMPORT_FUNC(set_marker) \
+	BGFX_IMPORT_FUNC(set_state) \
+	BGFX_IMPORT_FUNC(set_condition) \
+	BGFX_IMPORT_FUNC(set_stencil) \
+	BGFX_IMPORT_FUNC(set_scissor) \
+	BGFX_IMPORT_FUNC(set_scissor_cached) \
+	BGFX_IMPORT_FUNC(set_transform) \
+	BGFX_IMPORT_FUNC(alloc_transform) \
+	BGFX_IMPORT_FUNC(set_transform_cached) \
+	BGFX_IMPORT_FUNC(set_uniform) \
+	BGFX_IMPORT_FUNC(set_index_buffer) \
+	BGFX_IMPORT_FUNC(set_dynamic_index_buffer) \
+	BGFX_IMPORT_FUNC(set_transient_index_buffer) \
+	BGFX_IMPORT_FUNC(set_vertex_buffer) \
+	BGFX_IMPORT_FUNC(set_dynamic_vertex_buffer) \
+	BGFX_IMPORT_FUNC(set_transient_vertex_buffer) \
+	BGFX_IMPORT_FUNC(set_instance_data_buffer) \
+	BGFX_IMPORT_FUNC(set_instance_data_from_vertex_buffer) \
+	BGFX_IMPORT_FUNC(set_instance_data_from_dynamic_vertex_buffer) \
+	BGFX_IMPORT_FUNC(set_texture) \
+	BGFX_IMPORT_FUNC(set_texture_from_frame_buffer) \
+	BGFX_IMPORT_FUNC(touch) \
+	BGFX_IMPORT_FUNC(submit) \
+	BGFX_IMPORT_FUNC(submit_occlusion_query) \
+	BGFX_IMPORT_FUNC(submit_indirect) \
+	BGFX_IMPORT_FUNC(set_image) \
+	BGFX_IMPORT_FUNC(set_image_from_frame_buffer) \
+	BGFX_IMPORT_FUNC(set_compute_index_buffer) \
+	BGFX_IMPORT_FUNC(set_compute_vertex_buffer) \
+	BGFX_IMPORT_FUNC(set_compute_dynamic_index_buffer) \
+	BGFX_IMPORT_FUNC(set_compute_dynamic_vertex_buffer) \
+	BGFX_IMPORT_FUNC(set_compute_indirect_buffer) \
+	BGFX_IMPORT_FUNC(dispatch) \
+	BGFX_IMPORT_FUNC(dispatch_indirect) \
+	BGFX_IMPORT_FUNC(discard) \
+	BGFX_IMPORT_FUNC(blit) \
+	BGFX_IMPORT_FUNC(save_screen_shot)
+
+		static bgfx_interface_vtbl_t s_bgfx_interface =
+		{
+#define BGFX_IMPORT_FUNC(_name) bgfx_##_name,
+			BGFX_IMPORT
+#undef BGFX_IMPORT_FUNC
+		};
+
+		return &s_bgfx_interface;
+	}
+
+	return NULL;
+}