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De-inline the code resolving the GL symbols 

Saves around 200k in QtGui.so.

Change-Id: I1a020445093a5612ed64ca98bf51435580478cda
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
bb10
Lars Knoll 2016-01-19 12:41:04 +01:00 committed by Laszlo Agocs
parent 45ac7c962b
commit f9c16f3962
1 changed files with 41 additions and 19 deletions
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60
src/gui/opengl/qopenglfunctions.cpp
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@ -2142,7 +2142,7 @@ public:
private:
FuncType Base::*funcPointerName;
FuncType fallbackFuncPointer;
QByteArray funcName;
const char *funcName;
};
template <typename Base, typename FuncType, int Policy>
@ -2194,31 +2194,53 @@ public:
private:
FuncType Base::*funcPointerName;
FuncType fallbackFuncPointer;
QByteArray funcName;
const char *funcName;
};
static QFunctionPointer getProcAddress(QOpenGLContext *context, const char *funcName, int policy)
{
QByteArray fn = funcName;
int size = fn.size();
QFunctionPointer function = context->getProcAddress(fn);
// create room for the extension names
fn.resize(size + 5);
char *ext = fn.data() + size;
if (!function && (policy & ResolveOES)) {
memcpy(ext, "OES\0\0", 5);
function = context->getProcAddress(fn);
}
if (!function) {
memcpy(ext, "ARB\0\0", 5);
function = context->getProcAddress(fn);
}
if (!function && (policy & ResolveEXT)) {
memcpy(ext, "EXT\0\0", 5);
function = context->getProcAddress(fn);
}
if (!function && (policy & ResolveANGLE)) {
memcpy(ext, "ANGLE", 5);
function = context->getProcAddress(fn);
}
if (!function && (policy & ResolveNV)) {
memcpy(ext, "NV\0\0\0", 5);
function = context->getProcAddress(fn);
}
return function;
}
#define RESOLVER_COMMON \
QOpenGLContext *context = QOpenGLContext::currentContext(); \
Base *funcs = qt_gl_functions(context); \
\
FuncType old = funcs->*funcPointerName; \
\
funcs->*funcPointerName = (FuncType)context->getProcAddress(funcName); \
\
if ((Policy & ResolveOES) && !(funcs->*funcPointerName)) \
funcs->*funcPointerName = (FuncType)context->getProcAddress(funcName + "OES"); \
\
if (!(funcs->*funcPointerName)) \
funcs->*funcPointerName = (FuncType)context->getProcAddress(funcName + "ARB"); \
\
if ((Policy & ResolveEXT) && !(funcs->*funcPointerName)) \
funcs->*funcPointerName = (FuncType)context->getProcAddress(funcName + "EXT"); \
\
if ((Policy & ResolveANGLE) && !(funcs->*funcPointerName)) \
funcs->*funcPointerName = (FuncType)context->getProcAddress(funcName + "ANGLE"); \
\
if ((Policy & ResolveNV) && !(funcs->*funcPointerName)) \
funcs->*funcPointerName = (FuncType)context->getProcAddress(funcName + "NV");
funcs->*funcPointerName = (FuncType)getProcAddress(context, funcName, Policy);
#define RESOLVER_COMMON_NON_VOID \
RESOLVER_COMMON \