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GL: Check for extension and compressed texture format enumeration.

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This commit is contained in:
bkaradzic 2014-04-02 20:52:15 -07:00
parent 6e4ad864a9
commit ccf024dbbd
1 changed files with 20 additions and 6 deletions
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26
src/renderer_gl.cpp
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@ -654,6 +654,19 @@ namespace bgfx
return 0 == err ? result : 0; return 0 == err ? result : 0;
} }
void checkCmpFormat(GLint* _cmp, uint32_t _num, TextureFormat::Enum _fmt)
{
GLint glfmt = s_textureFormat[_fmt].m_fmt;
for (uint32_t ii = 0; ii < _num; ++ii)
{
if (glfmt == _cmp[ii])
{
s_textureFormat[_fmt].m_supported = true;
break;
}
}
}
struct RendererContext struct RendererContext
{ {
RendererContext() RendererContext()
@ -1162,12 +1175,13 @@ namespace bgfx
|| s_extension[Extension::CHROMIUM_texture_compression_dxt5].m_supported || s_extension[Extension::CHROMIUM_texture_compression_dxt5].m_supported
; ;
bool bc45Supported = s_extension[Extension::EXT_texture_compression_latc].m_supported if (s_extension[Extension::EXT_texture_compression_latc].m_supported
|| s_extension[Extension::ARB_texture_compression_rgtc].m_supported || s_extension[Extension::ARB_texture_compression_rgtc].m_supported
|| s_extension[Extension::EXT_texture_compression_rgtc].m_supported || s_extension[Extension::EXT_texture_compression_rgtc].m_supported)
; {
s_textureFormat[TextureFormat::BC4].m_supported |= bc45Supported; checkCmpFormat(cmpFormat, numCmpFormats, TextureFormat::BC4);
s_textureFormat[TextureFormat::BC5].m_supported |= bc45Supported; checkCmpFormat(cmpFormat, numCmpFormats, TextureFormat::BC5);
}
bool etc1Supported = s_extension[Extension::OES_compressed_ETC1_RGB8_texture].m_supported; bool etc1Supported = s_extension[Extension::OES_compressed_ETC1_RGB8_texture].m_supported;
s_textureFormat[TextureFormat::ETC1].m_supported |= etc1Supported; s_textureFormat[TextureFormat::ETC1].m_supported |= etc1Supported;