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android: use dlsym() first to load gles routines 

fix attempt for android <= 4.3
Issue #135
This commit is contained in:
Flyinghead 2020-12-02 09:52:52 +01:00
parent 8905410aa4
commit 9a61407125
1 changed files with 11 additions and 1 deletions
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12
core/wsi/gl32funcs.c
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@ -19,6 +19,9 @@
#include <stddef.h>
#include <GLES32/gl32.h>
#include <EGL/egl.h>
#if defined(GLES3) && defined(__ANDROID__)
#include <dlfcn.h>
#endif
#include "gl32funcs.h"
#include "build.h"
@ -26,7 +29,14 @@ void load_gles_symbols()
{
#ifdef GLES3
for (int i = 0; rglgen_symbol_map[i].sym != NULL; i++)
*(void **)rglgen_symbol_map[i].ptr = eglGetProcAddress(rglgen_symbol_map[i].sym);
{
#if defined(__ANDROID__)
//try to load via dlsym -- older android (< 4.4?) can't load everything via eglGetProcAddress
*(void **)rglgen_symbol_map[i].ptr = (void*)dlsym(RTLD_DEFAULT, rglgen_symbol_map[i].sym);
if (*(void **)rglgen_symbol_map[i].ptr == NULL)
#endif
*(void **)rglgen_symbol_map[i].ptr = eglGetProcAddress(rglgen_symbol_map[i].sym);
}
#endif
}