lubomyr
59 lines
1.3 KiB
C
Executable File
59 lines
1.3 KiB
C
Executable File
#ifndef LOADER_H
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#define LOADER_H
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#include <dlfcn.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "const.h"
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// will become references to dlopen'd gles and egl
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extern void *gles, *egl, *bcm_host, *vcos;
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void *open_lib(const char **names, const char *override);
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#ifndef WARN_NULL
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#define WARN_NULL(name) if (name == NULL) LOGD("LIBGL: warning, " #name " is NULL\n");
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#endif
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#ifndef LOAD_RAW
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#define DEFINE_RAW(lib, name) static name##_PTR lib##_##name
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#define LOAD_RAW(lib, name, ...) \
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{ \
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static bool first = true; \
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if (first) { \
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first = false; \
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if (lib != NULL) { \
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lib##_##name = (name##_PTR)__VA_ARGS__; \
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} \
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WARN_NULL(lib##_##name); \
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} \
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}
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#endif
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#define LOAD_LIB(lib, name) DEFINE_RAW(lib, name); LOAD_RAW(lib, name, dlsym(lib, #name))
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#ifndef LOAD_GLES
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#define LOAD_GLES(name) \
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LOAD_LIB(gles, name)
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#endif
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#define LOAD_EGL(name) LOAD_LIB(egl, name)
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#define LOAD_GLES_OES(name) \
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DEFINE_RAW(gles, name); \
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{ \
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LOAD_EGL(eglGetProcAddress); \
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LOAD_RAW(gles, name, egl_eglGetProcAddress(#name"OES")); \
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}
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#define LOAD_GLES_EXT(name) \
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DEFINE_RAW(gles, name); \
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{ \
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LOAD_EGL(eglGetProcAddress); \
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LOAD_RAW(gles, name, egl_eglGetProcAddress(#name"EXT")); \
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}
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#endif
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