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gl_engine: code clean up++

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Hermet Park 2025-05-08 22:34:00 +09:00 • committed by Hermet Park
parent df8d327ebb
commit 007879af02
1 changed files with 21 additions and 14 deletions
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35
src/renderer/gl_engine/tvgGl.cpp
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@ -40,14 +40,16 @@ bool glTerm()
#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)
typedef PROC(WINAPI *PFNGLGETPROCADDRESSPROC)(LPCSTR);
#ifdef THORVG_GL_TARGET_GL
typedef PROC(WINAPI *PFNGLGETPROCADDRESSPROC)(LPCSTR);
static PFNGLGETPROCADDRESSPROC glGetProcAddress = NULL;
#endif
static HMODULE _libGL = NULL;
static PFNGLGETPROCADDRESSPROC glGetProcAddress = NULL;
static bool _glLoad()
{
#ifndef THORVG_GL_TARGET_GLES
#ifdef THORVG_GL_TARGET_GL
_libGL = LoadLibraryW(L"opengl32.dll");
if (!_libGL) {
TVGERR("GL_ENGINE", "Cannot find the gl library.");
@ -70,24 +72,27 @@ static bool _glLoad()
// load opengl proc address from dll or from wglGetProcAddress
static PROC _getProcAddress(const char* procName)
{
PROC procHandle = GetProcAddress(_libGL, procName);
#ifndef THORVG_GL_TARGET_GLES
if (!procHandle) procHandle = glGetProcAddress(procName);
#endif
auto procHandle = GetProcAddress(_libGL, procName);
#ifdef THORVG_GL_TARGET_GL
if (!procHandle) procHandle = glGetProcAddress(procName);
#endif
return procHandle;
}
#elif defined(__linux__)
#include <dlfcn.h>
typedef void* (*PFNGLGETPROCADDRESSPROC)(const char*);
#ifdef THORVG_GL_TARGET_GL
typedef void* (*PFNGLGETPROCADDRESSPROC)(const char*);
static PFNGLGETPROCADDRESSPROC glGetProcAddress = nullptr;
#endif
static void* _libGL = nullptr;
static PFNGLGETPROCADDRESSPROC glGetProcAddress = nullptr;
static bool _glLoad()
{
#ifndef THORVG_GL_TARGET_GLES
#ifdef THORVG_GL_TARGET_GL
_libGL = dlopen("libGL.so", RTLD_LAZY);
if (!_libGL) _libGL = dlopen("libGL.so.4", RTLD_LAZY);
if (!_libGL) _libGL = dlopen("libGL.so.3", RTLD_LAZY);
@ -109,19 +114,21 @@ static bool _glLoad()
#endif
return true;
}
// load opengl proc address from glXGetProcAddress
static void* _getProcAddress(const char* procName)
{
#ifndef THORVG_GL_TARGET_GLES
#ifdef THORVG_GL_TARGET_GL
return glGetProcAddress(procName);
#else
#else
return dlsym(_libGL, procName);
#endif
#endif
}
#elif defined(__APPLE__) || defined(__MACH__)
#include <dlfcn.h>
static void* _libGL = nullptr;
static bool _glLoad() {