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Add C99 api : bgfx_vertex_decl_decode and bgfx_vertex_decl_has (#1423)

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This commit is contained in:
云风
2018-06-27 00:06:51 +08:00
committed by Branimir Karadžić
parent 8ce76f9ec1
commit 848bc43a5f
3 changed files with 31 additions and 0 deletions
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6
include/bgfx/bgfx.h
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@@ -1675,6 +1675,9 @@ namespace bgfx
VertexDecl& skip(uint8_t _num);
/// Decode attribute.
///
/// @attention C99 equivalent is `bgfx_vertex_decl_decode`.
///
void decode(
Attrib::Enum _attrib
, uint8_t& _num
@@ -1684,6 +1687,9 @@ namespace bgfx
) const;
/// Returns true if VertexDecl contains attribute.
///
/// @attention C99 equivalent is `bgfx_vertex_decl_has`.
///
bool has(Attrib::Enum _attrib) const { return UINT16_MAX != m_attributes[_attrib]; }
/// Returns relative attribute offset from the vertex.

6
include/bgfx/c99/bgfx.h
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@@ -656,6 +656,12 @@ BGFX_C_API void bgfx_vertex_decl_begin(bgfx_vertex_decl_t* _decl, bgfx_renderer_
/**/
BGFX_C_API void bgfx_vertex_decl_add(bgfx_vertex_decl_t* _decl, bgfx_attrib_t _attrib, uint8_t _num, bgfx_attrib_type_t _type, bool _normalized, bool _asInt);
/**/
BGFX_C_API void bgfx_vertex_decl_decode(const bgfx_vertex_decl_t* _decl, bgfx_attrib_t _attrib, uint8_t *_num, bgfx_attrib_type_t *_type, bool *_normalized, bool *_asInt);
/**/
BGFX_C_API bool bgfx_vertex_decl_has(const bgfx_vertex_decl_t* _decl, bgfx_attrib_t _attrib);
/**/
BGFX_C_API void bgfx_vertex_decl_skip(bgfx_vertex_decl_t* _decl, uint8_t _num);

19
src/bgfx.cpp
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@@ -4741,6 +4741,25 @@ BGFX_C_API void bgfx_vertex_decl_add(bgfx_vertex_decl_t* _decl, bgfx_attrib_t _a
);
}
BGFX_C_API void bgfx_vertex_decl_decode(const bgfx_vertex_decl_t* _decl, bgfx_attrib_t _attrib, uint8_t *_num, bgfx_attrib_type_t *_type, bool *_normalized, bool *_asInt)
{
bgfx::AttribType::Enum type;
const bgfx::VertexDecl* decl = (const bgfx::VertexDecl*)_decl;
decl->decode(bgfx::Attrib::Enum(_attrib)
, *_num
, type
, *_normalized
, *_asInt
);
*_type = (bgfx_attrib_type_t)type;
}
BGFX_C_API bool bgfx_vertex_decl_has(const bgfx_vertex_decl_t* _decl, bgfx_attrib_t _attrib)
{
const bgfx::VertexDecl* decl = (const bgfx::VertexDecl*)_decl;
return decl->has(bgfx::Attrib::Enum(_attrib));
}
BGFX_C_API void bgfx_vertex_decl_skip(bgfx_vertex_decl_t* _decl, uint8_t _num)
{
bgfx::VertexDecl* decl = (bgfx::VertexDecl*)_decl;