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- /**************************************************************************/
- /* gl_manager_macos_legacy.mm */
- /**************************************************************************/
- /* This file is part of: */
- /* GODOT ENGINE */
- /* https://godotengine.org */
- /**************************************************************************/
- /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
- /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
- /* */
- /* Permission is hereby granted, free of charge, to any person obtaining */
- /* a copy of this software and associated documentation files (the */
- /* "Software"), to deal in the Software without restriction, including */
- /* without limitation the rights to use, copy, modify, merge, publish, */
- /* distribute, sublicense, and/or sell copies of the Software, and to */
- /* permit persons to whom the Software is furnished to do so, subject to */
- /* the following conditions: */
- /* */
- /* The above copyright notice and this permission notice shall be */
- /* included in all copies or substantial portions of the Software. */
- /* */
- /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
- /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
- /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
- /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
- /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
- /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
- /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
- /**************************************************************************/
- #include "gl_manager_macos_legacy.h"
- #if defined(MACOS_ENABLED) && defined(GLES3_ENABLED)
- #include <stdio.h>
- #include <stdlib.h>
- #pragma clang diagnostic push
- #pragma clang diagnostic ignored "-Wdeprecated-declarations" // OpenGL is deprecated in macOS 10.14
- Error GLManagerLegacy_MacOS::create_context(GLWindow &win) {
- NSOpenGLPixelFormatAttribute attributes[] = {
- NSOpenGLPFADoubleBuffer,
- NSOpenGLPFAClosestPolicy,
- NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core,
- NSOpenGLPFAColorSize, 32,
- NSOpenGLPFADepthSize, 24,
- NSOpenGLPFAStencilSize, 8,
- 0
- };
- NSOpenGLPixelFormat *pixel_format = [[NSOpenGLPixelFormat alloc] initWithAttributes:attributes];
- ERR_FAIL_NULL_V(pixel_format, ERR_CANT_CREATE);
- win.context = [[NSOpenGLContext alloc] initWithFormat:pixel_format shareContext:shared_context];
- ERR_FAIL_NULL_V(win.context, ERR_CANT_CREATE);
- if (shared_context == nullptr) {
- shared_context = win.context;
- }
- [win.context setView:win.window_view];
- [win.context makeCurrentContext];
- return OK;
- }
- Error GLManagerLegacy_MacOS::window_create(DisplayServer::WindowID p_window_id, id p_view, int p_width, int p_height) {
- GLWindow win;
- win.window_view = p_view;
- if (create_context(win) != OK) {
- return FAILED;
- }
- windows[p_window_id] = win;
- window_make_current(p_window_id);
- return OK;
- }
- void GLManagerLegacy_MacOS::window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) {
- if (!windows.has(p_window_id)) {
- return;
- }
- GLWindow &win = windows[p_window_id];
- GLint dim[2];
- dim[0] = p_width;
- dim[1] = p_height;
- CGLSetParameter((CGLContextObj)[win.context CGLContextObj], kCGLCPSurfaceBackingSize, &dim[0]);
- CGLEnable((CGLContextObj)[win.context CGLContextObj], kCGLCESurfaceBackingSize);
- if (OS::get_singleton()->is_hidpi_allowed()) {
- [win.window_view setWantsBestResolutionOpenGLSurface:YES];
- } else {
- [win.window_view setWantsBestResolutionOpenGLSurface:NO];
- }
- [win.context update];
- }
- void GLManagerLegacy_MacOS::window_destroy(DisplayServer::WindowID p_window_id) {
- if (!windows.has(p_window_id)) {
- return;
- }
- if (current_window == p_window_id) {
- current_window = DisplayServer::INVALID_WINDOW_ID;
- }
- windows.erase(p_window_id);
- }
- void GLManagerLegacy_MacOS::release_current() {
- if (current_window == DisplayServer::INVALID_WINDOW_ID) {
- return;
- }
- [NSOpenGLContext clearCurrentContext];
- current_window = DisplayServer::INVALID_WINDOW_ID;
- }
- void GLManagerLegacy_MacOS::window_make_current(DisplayServer::WindowID p_window_id) {
- if (current_window == p_window_id) {
- return;
- }
- if (!windows.has(p_window_id)) {
- return;
- }
- GLWindow &win = windows[p_window_id];
- [win.context makeCurrentContext];
- current_window = p_window_id;
- }
- void GLManagerLegacy_MacOS::swap_buffers() {
- GLWindow &win = windows[current_window];
- [win.context flushBuffer];
- }
- void GLManagerLegacy_MacOS::window_set_per_pixel_transparency_enabled(DisplayServer::WindowID p_window_id, bool p_enabled) {
- if (!windows.has(p_window_id)) {
- return;
- }
- GLWindow &win = windows[p_window_id];
- if (p_enabled) {
- GLint opacity = 0;
- [win.context setValues:&opacity forParameter:NSOpenGLContextParameterSurfaceOpacity];
- } else {
- GLint opacity = 1;
- [win.context setValues:&opacity forParameter:NSOpenGLContextParameterSurfaceOpacity];
- }
- [win.context update];
- }
- Error GLManagerLegacy_MacOS::initialize() {
- return OK;
- }
- void GLManagerLegacy_MacOS::set_use_vsync(bool p_use) {
- use_vsync = p_use;
- CGLContextObj ctx = CGLGetCurrentContext();
- if (ctx) {
- GLint swapInterval = p_use ? 1 : 0;
- if (CGLSetParameter(ctx, kCGLCPSwapInterval, &swapInterval) != kCGLNoError) {
- WARN_PRINT("Could not set V-Sync mode.");
- }
- use_vsync = p_use;
- }
- }
- bool GLManagerLegacy_MacOS::is_using_vsync() const {
- return use_vsync;
- }
- NSOpenGLContext *GLManagerLegacy_MacOS::get_context(DisplayServer::WindowID p_window_id) {
- if (!windows.has(p_window_id)) {
- return nullptr;
- }
- GLWindow &win = windows[p_window_id];
- return win.context;
- }
- GLManagerLegacy_MacOS::GLManagerLegacy_MacOS() {
- CFBundleRef framework = CFBundleGetBundleWithIdentifier(CFSTR("com.apple.opengl"));
- CFBundleLoadExecutable(framework);
- CGLEnable = (CGLEnablePtr)CFBundleGetFunctionPointerForName(framework, CFSTR("CGLEnable"));
- CGLSetParameter = (CGLSetParameterPtr)CFBundleGetFunctionPointerForName(framework, CFSTR("CGLSetParameter"));
- CGLGetCurrentContext = (CGLGetCurrentContextPtr)CFBundleGetFunctionPointerForName(framework, CFSTR("CGLGetCurrentContext"));
- }
- GLManagerLegacy_MacOS::~GLManagerLegacy_MacOS() {
- release_current();
- }
- #pragma clang diagnostic pop
- #endif // MACOS_ENABLED && GLES3_ENABLED
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