bool cGL::ShadersSupported() {
#ifdef EE_GLES
return ( GLv_ES2 == Version() || GLv_3 == Version() || GLv_3CP == Version() );
#else
return IsExtension( EEGL_ARB_shader_objects ) && IsExtension( EEGL_ARB_vertex_shader ) && IsExtension( EEGL_ARB_fragment_shader );
#endif
}
bool cGL::PointSpriteSupported() {
#ifdef EE_GLES
return true;
#else
return IsExtension( EEGL_ARB_point_sprite );
#endif
}
int Utils::findExtension(const std::vector<CString>& filter, const CString& strExt)
{
int index = -1;
for (int i=1; i < filter.size(); i+=2)
{
if (IsExtension(filter[i], strExt))
{
index = i;
break;
}
}
return index;
}
CString Utils::getFileName(const std::vector<CString>& filter, int& typeIndex, CString fileName)
{
const int index = (typeIndex - 1) * 2 + 1;
const CString strExtension(GetExtension(fileName));
const int extensionIndex = findExtension(filter, strExtension);
if (index < filter.size())
{
if (extensionIndex == -1)
{
setExtension(fileName, GetExtension(filter[index]));
}
else if (!IsExtension(filter[index], strExtension))
{
typeIndex = extensionIndex / 2 + 1;
}
}
return fileName;
}
void cGL::Init() {
#ifdef EE_GLEW_AVAILABLE
glewExperimental = 1;
bool glewOn = ( GLEW_OK == glewInit() );
if ( glewOn ) {
WriteExtension( EEGL_ARB_texture_non_power_of_two , GLEW_ARB_texture_non_power_of_two );
WriteExtension( EEGL_ARB_point_parameters , GLEW_ARB_point_parameters );
WriteExtension( EEGL_ARB_point_sprite , GLEW_ARB_point_sprite );
WriteExtension( EEGL_ARB_shading_language_100 , GLEW_ARB_shading_language_100 );
WriteExtension( EEGL_ARB_shader_objects , GLEW_ARB_shader_objects );
WriteExtension( EEGL_ARB_vertex_shader , GLEW_ARB_vertex_shader );
WriteExtension( EEGL_ARB_fragment_shader , GLEW_ARB_fragment_shader );
WriteExtension( EEGL_EXT_framebuffer_object , GLEW_EXT_framebuffer_object );
WriteExtension( EEGL_ARB_multitexture , GLEW_ARB_multitexture );
WriteExtension( EEGL_EXT_texture_compression_s3tc , GLEW_EXT_texture_compression_s3tc );
WriteExtension( EEGL_ARB_vertex_buffer_object , GLEW_ARB_vertex_buffer_object );
WriteExtension( EEGL_ARB_pixel_buffer_object , GLEW_ARB_pixel_buffer_object );
WriteExtension( EEGL_ARB_vertex_array_object , GLEW_ARB_vertex_array_object );
WriteExtension( EEGL_EXT_blend_func_separate , GLEW_EXT_blend_func_separate );
}
else
#endif
{
WriteExtension( EEGL_ARB_texture_non_power_of_two , IsExtension( "GL_ARB_texture_non_power_of_two" ) );
WriteExtension( EEGL_ARB_point_parameters , IsExtension( "GL_ARB_point_parameters" ) );
WriteExtension( EEGL_ARB_point_sprite , IsExtension( "GL_ARB_point_sprite" ) );
WriteExtension( EEGL_ARB_shading_language_100 , IsExtension( "GL_ARB_shading_language_100" ) );
WriteExtension( EEGL_ARB_shader_objects , IsExtension( "GL_ARB_shader_objects" ) );
WriteExtension( EEGL_ARB_vertex_shader , IsExtension( "GL_ARB_vertex_shader" ) );
WriteExtension( EEGL_ARB_fragment_shader , IsExtension( "GL_ARB_fragment_shader" ) );
WriteExtension( EEGL_EXT_framebuffer_object , IsExtension( "GL_EXT_framebuffer_object" ) );
WriteExtension( EEGL_ARB_multitexture , IsExtension( "GL_ARB_multitexture" ) );
WriteExtension( EEGL_EXT_texture_compression_s3tc , IsExtension( "GL_EXT_texture_compression_s3tc" ) );
WriteExtension( EEGL_ARB_vertex_buffer_object , IsExtension( "GL_ARB_vertex_buffer_object" ) );
WriteExtension( EEGL_ARB_pixel_buffer_object , IsExtension( "GL_ARB_pixel_buffer_object" ) );
WriteExtension( EEGL_ARB_vertex_array_object , IsExtension( "GL_ARB_vertex_array_object" ) );
WriteExtension( EEGL_EXT_blend_func_separate , IsExtension( "GL_EXT_blend_func_separate" ) );
}
// NVIDIA added support for GL_OES_compressed_ETC1_RGB8_texture in desktop GPUs
// GLEW doesn't return the correct result
WriteExtension( EEGL_OES_compressed_ETC1_RGB8_texture , SOIL_GL_ExtensionSupported( "GL_OES_compressed_ETC1_RGB8_texture" ) );
#ifdef EE_GLES
WriteExtension( EEGL_ARB_point_parameters , 1 );
WriteExtension( EEGL_ARB_point_sprite , 1 );
WriteExtension( EEGL_ARB_multitexture , 1 );
WriteExtension( EEGL_IMG_texture_compression_pvrtc , IsExtension( "GL_IMG_texture_compression_pvrtc" ) );
if ( !IsExtension( EEGL_EXT_texture_compression_s3tc ) ) {
WriteExtension( EEGL_EXT_texture_compression_s3tc , IsExtension( "GL_OES_texture_compression_S3TC" ) );
}
if ( !IsExtension( EEGL_EXT_framebuffer_object ) ) {
WriteExtension( EEGL_EXT_framebuffer_object , IsExtension( "GL_OES_framebuffer_object" ) );
}
if ( !IsExtension( EEGL_ARB_texture_non_power_of_two ) ) {
WriteExtension( EEGL_ARB_texture_non_power_of_two , IsExtension( "GL_IMG_texture_npot" ) ||
IsExtension( "GL_OES_texture_npot" ) ||
IsExtension( "GL_APPLE_texture_2D_limited_npot" ) );
}
if ( !IsExtension( EEGL_ARB_vertex_array_object ) ) {
WriteExtension( EEGL_ARB_vertex_array_object , IsExtension( "GL_OES_vertex_array_object" ) );
}
#endif
#ifdef EE_GLES2
WriteExtension( EEGL_EXT_framebuffer_object , 1 );
WriteExtension( EEGL_ARB_vertex_buffer_object , 1 );
WriteExtension( EEGL_ARB_shader_objects , 1 );
WriteExtension( EEGL_ARB_vertex_shader , 1 );
WriteExtension( EEGL_ARB_fragment_shader , 1 );
#endif
#if EE_PLATFORM == EE_PLATFORM_EMSCRIPTEN
if ( !IsExtension( EEGL_EXT_texture_compression_s3tc ) ) {
WriteExtension( EEGL_EXT_texture_compression_s3tc , IsExtension( "WEBGL_compressed_texture_s3tc" ) ||
IsExtension( "WEBKIT_WEBGL_compressed_texture_s3tc" ) ||
IsExtension( "MOZ_WEBGL_compressed_texture_s3tc" ) );
}
#endif
}
bool Utils::IsExtensionRdf(const CString& strFile)
{
return IsExtension(strFile, cRdf);
}
bool Utils::IsExtensionBdt(const CString& strFile)
{
return IsExtension(strFile, cBdt);
}
bool Utils::IsExtensionHtml(const CString& strFile)
{
return IsExtension(strFile, cHtml) || IsExtension(strFile, cHtm);
}
bool Utils::IsExtensionRenjs(const CString& strFile)
{
return IsExtension(strFile, cRenjs) || IsExtension(strFile, cRen);
}
bool Utils::IsExtensionPos(const CString& strFile)
{
return IsExtension(strFile, cPos);
}
bool Utils::IsExtensionWzq(const CString& strFile)
{
return IsExtension(strFile, cWzq);
}
bool Utils::IsExtensionLib(const CString& strFile)
{
return IsExtension(strFile, cLib);
}
