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Fix some minor issues with GL loader

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fixes #258
This commit is contained in:
sfan5 2023-12-17 18:10:39 +01:00
parent 0110826ce9
commit 6e6b4a6f3c
3 changed files with 20 additions and 14 deletions
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6
include/mt_opengl.h
View File

@ -780,9 +780,9 @@ public:
// Call this once after creating the context. // Call this once after creating the context.
void LoadAllProcedures(irr::video::IContextManager *cmgr); void LoadAllProcedures(irr::video::IContextManager *cmgr);
// Check if an extension is supported. // Check if an extension is supported.
inline bool IsExtensionPresent(const std::string &ext) inline bool IsExtensionPresent(const std::string &ext) const
{ {
return extensions.find(ext) != extensions.end(); return extensions.count(ext) > 0;
} }
PFNGLCULLFACEPROC_MT CullFace = NULL; PFNGLCULLFACEPROC_MT CullFace = NULL;
@ -3191,5 +3191,5 @@ public:
static constexpr const GLenum NONE = 0; static constexpr const GLenum NONE = 0;
}; };
//Global GL procedures object. // Global GL procedures object.
IRRLICHT_API extern OpenGLProcedures GL; IRRLICHT_API extern OpenGLProcedures GL;

17
scripts/BindingGenerator.lua
View File

@ -387,9 +387,9 @@ public:
// Call this once after creating the context. // Call this once after creating the context.
void LoadAllProcedures(irr::video::IContextManager *cmgr); void LoadAllProcedures(irr::video::IContextManager *cmgr);
// Check if an extension is supported. // Check if an extension is supported.
inline bool IsExtensionPresent(const std::string &ext) inline bool IsExtensionPresent(const std::string &ext) const
{ {
return extensions.find(ext) != extensions.end(); return extensions.count(ext) > 0;
} }
]]; ]];
@ -403,7 +403,7 @@ f:write[[
static constexpr const GLenum NONE = 0; static constexpr const GLenum NONE = 0;
]]; ]];
f:write( "};\n" ); f:write( "};\n" );
f:write( "\n//Global GL procedures object.\n" ); f:write( "\n// Global GL procedures object.\n" );
f:write( "IRRLICHT_API extern OpenGLProcedures GL;\n" ); f:write( "IRRLICHT_API extern OpenGLProcedures GL;\n" );
f:close(); f:close();
@ -427,12 +427,15 @@ f:write( loader:Concat() );
f:write[[ f:write[[
// OpenGL 3 way to enumerate extensions // OpenGL 3 way to enumerate extensions
int ext_count = 0; GLint ext_count = 0;
GetIntegerv(NUM_EXTENSIONS, &ext_count); GetIntegerv(NUM_EXTENSIONS, &ext_count);
extensions.reserve(ext_count); extensions.reserve(ext_count);
for (int k = 0; k < ext_count; k++) for (GLint k = 0; k < ext_count; k++) {
extensions.emplace((char *)GetStringi(EXTENSIONS, k)); auto tmp = GetStringi(EXTENSIONS, k);
if (ext_count) if (tmp)
extensions.emplace((char*)tmp);
}
if (!extensions.empty())
return; return;
// OpenGL 2 / ES 2 way to enumerate extensions // OpenGL 2 / ES 2 way to enumerate extensions

11
source/Irrlicht/mt_opengl_loader.cpp
View File

@ -759,12 +759,15 @@ void OpenGLProcedures::LoadAllProcedures(irr::video::IContextManager *cmgr)
if (!TexPageCommitment) TexPageCommitment = (PFNGLTEXPAGECOMMITMENTPROC_MT)cmgr->getProcAddress("glTexPageCommitmentARB"); if (!TexPageCommitment) TexPageCommitment = (PFNGLTEXPAGECOMMITMENTPROC_MT)cmgr->getProcAddress("glTexPageCommitmentARB");
// OpenGL 3 way to enumerate extensions // OpenGL 3 way to enumerate extensions
int ext_count = 0; GLint ext_count = 0;
GetIntegerv(NUM_EXTENSIONS, &ext_count); GetIntegerv(NUM_EXTENSIONS, &ext_count);
extensions.reserve(ext_count); extensions.reserve(ext_count);
for (int k = 0; k < ext_count; k++) for (GLint k = 0; k < ext_count; k++) {
extensions.emplace((char *)GetStringi(EXTENSIONS, k)); auto tmp = GetStringi(EXTENSIONS, k);
if (ext_count) if (tmp)
extensions.emplace((char*)tmp);
}
if (!extensions.empty())
return; return;
// OpenGL 2 / ES 2 way to enumerate extensions // OpenGL 2 / ES 2 way to enumerate extensions