internal/graphicsdriver/opengl/gl/: refactoring

This commit is contained in:
Hajime Hoshi 2023-01-07 17:01:00 +09:00
parent d615c2f42a
commit 847d1cae73

View File

@ -21,38 +21,19 @@ package gl
// #include <dlfcn.h>
// #include <stdlib.h>
//
// static void* libGLPtr;
// static void* libGLESPtr;
//
// static void setLibGL(void* lib) {
// libGLPtr = lib;
// }
//
// static void setLibGLES(void* lib) {
// libGLESPtr = lib;
// }
//
// static void* libGL() {
// return libGLPtr;
// }
//
// static void* libGLES() {
// return libGLESPtr;
// }
//
// static void* getProcAddressGL(const char* name) {
// static void* getProcAddressGL(void* libGL, const char* name) {
// static void*(*glXGetProcAddress)(const char*);
// if (!glXGetProcAddress) {
// glXGetProcAddress = dlsym(libGL(), "glXGetProcAddress");
// glXGetProcAddress = dlsym(libGL, "glXGetProcAddress");
// if (!glXGetProcAddress) {
// glXGetProcAddress = dlsym(libGL(), "glXGetProcAddressARB");
// glXGetProcAddress = dlsym(libGL, "glXGetProcAddressARB");
// }
// }
// return glXGetProcAddress(name);
// }
//
// static void* getProcAddressGLES(const char* name) {
// return dlsym(libGLES(), name);
// static void* getProcAddressGLES(void* libGLES, const char* name) {
// return dlsym(libGLES, name);
// }
import "C"
@ -66,6 +47,11 @@ import (
"unsafe"
)
var (
libGL unsafe.Pointer
libGLES unsafe.Pointer
)
// listLibs returns an appropriate library file paths based on the given library paths and the library name as a prefix.
// Note that the found libraries might not be available e.g. due to architecture mismatches.
func listLibs(libraryPaths []string, libName string) ([]string, error) {
@ -147,7 +133,7 @@ func (c *defaultContext) init() error {
lib := C.dlopen(cname, C.RTLD_LAZY|C.RTLD_GLOBAL)
C.free(unsafe.Pointer(cname))
if lib != nil {
C.setLibGL(lib)
libGL = lib
return nil
}
}
@ -163,7 +149,7 @@ func (c *defaultContext) init() error {
lib := C.dlopen(cname, C.RTLD_LAZY|C.RTLD_GLOBAL)
C.free(unsafe.Pointer(cname))
if lib != nil {
C.setLibGLES(lib)
libGLES = lib
c.isES = true
return nil
}
@ -182,12 +168,12 @@ func (c *defaultContext) getProcAddress(name string) unsafe.Pointer {
func getProcAddressGL(name string) unsafe.Pointer {
cname := C.CString(name)
defer C.free(unsafe.Pointer(cname))
return C.getProcAddressGL(cname)
return C.getProcAddressGL(libGL, cname)
}
func getProcAddressGLES(name string) unsafe.Pointer {
name = strings.TrimSuffix(name, "EXT")
cname := C.CString(name)
defer C.free(unsafe.Pointer(cname))
return C.getProcAddressGLES(cname)
return C.getProcAddressGLES(libGLES, cname)
}