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GL: Messing with compressed texture formats.

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This commit is contained in:
Branimir Karadžić
2014-04-02 22:06:18 -07:00
parent ccf024dbbd
commit 5e382dc481
2 changed files with 28 additions and 23 deletions
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39
src/renderer_gl.cpp
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@@ -654,15 +654,16 @@ namespace bgfx
return 0 == err ? result : 0;
}
void checkCmpFormat(GLint* _cmp, uint32_t _num, TextureFormat::Enum _fmt)
static void checkCmpFormat(GLint* _cmp, uint32_t _num, TextureFormat::Enum _fmt, GLint _glfmt)
{
GLint glfmt = s_textureFormat[_fmt].m_fmt;
for (uint32_t ii = 0; ii < _num; ++ii)
{
if (glfmt == _cmp[ii])
if (_glfmt == _cmp[ii])
{
s_textureFormat[_fmt].m_supported = true;
break;
s_textureFormat[_fmt].m_fmt = _glfmt;
s_textureFormat[_fmt].m_internalFmt = _glfmt;
s_textureFormat[_fmt].m_supported = true;
return;
}
}
}
@@ -1175,12 +1176,24 @@ namespace bgfx
|| s_extension[Extension::CHROMIUM_texture_compression_dxt5].m_supported
;
if (s_extension[Extension::EXT_texture_compression_latc].m_supported
|| s_extension[Extension::ARB_texture_compression_rgtc].m_supported
if (s_extension[Extension::EXT_texture_compression_latc].m_supported)
{
checkCmpFormat(cmpFormat, numCmpFormats, TextureFormat::BC4, GL_COMPRESSED_LUMINANCE_LATC1_EXT);
checkCmpFormat(cmpFormat, numCmpFormats, TextureFormat::BC5, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT);
}
if (s_extension[Extension::ARB_texture_compression_rgtc].m_supported
|| s_extension[Extension::EXT_texture_compression_rgtc].m_supported)
{
checkCmpFormat(cmpFormat, numCmpFormats, TextureFormat::BC4);
checkCmpFormat(cmpFormat, numCmpFormats, TextureFormat::BC5);
s_textureFormat[TextureFormat::BC4].m_fmt = GL_COMPRESSED_RED_RGTC1;
s_textureFormat[TextureFormat::BC4].m_internalFmt = GL_COMPRESSED_RED_RGTC1;
s_textureFormat[TextureFormat::BC4].m_supported = true;
s_textureFormat[TextureFormat::BC5].m_fmt = GL_COMPRESSED_RG_RGTC2;
s_textureFormat[TextureFormat::BC5].m_internalFmt = GL_COMPRESSED_RG_RGTC2;
s_textureFormat[TextureFormat::BC5].m_supported = true;
// checkCmpFormat(cmpFormat, numCmpFormats, TextureFormat::BC4, GL_COMPRESSED_RED_RGTC1);
// checkCmpFormat(cmpFormat, numCmpFormats, TextureFormat::BC5, GL_COMPRESSED_RG_RGTC2);
}
bool etc1Supported = s_extension[Extension::OES_compressed_ETC1_RGB8_texture].m_supported;
@@ -1360,14 +1373,6 @@ namespace bgfx
}
}
if (s_extension[Extension::EXT_texture_compression_rgtc].m_supported)
{
s_textureFormat[TextureFormat::BC4].m_fmt = GL_COMPRESSED_RED_RGTC1_EXT;
s_textureFormat[TextureFormat::BC4].m_internalFmt = GL_COMPRESSED_RED_RGTC1_EXT;
s_textureFormat[TextureFormat::BC5].m_fmt = GL_COMPRESSED_RED_GREEN_RGTC2_EXT;
s_textureFormat[TextureFormat::BC5].m_internalFmt = GL_COMPRESSED_RED_GREEN_RGTC2_EXT;
}
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30) )
{
g_caps.supported |= BGFX_CAPS_INSTANCING;