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Diffstat (limited to 'platform/macos/gl_manager_macos_legacy.mm')
| -rw-r--r-- | platform/macos/gl_manager_macos_legacy.mm | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/platform/macos/gl_manager_macos_legacy.mm b/platform/macos/gl_manager_macos_legacy.mm new file mode 100644 index 0000000000..e6bb7aaa85 --- /dev/null +++ b/platform/macos/gl_manager_macos_legacy.mm @@ -0,0 +1,228 @@ +/*************************************************************************/ +/* gl_manager_macos_legacy.mm */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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" + +#ifdef MACOS_ENABLED +#ifdef GLES3_ENABLED + +#include <stdio.h> +#include <stdlib.h> + +Error GLManager_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_COND_V(pixel_format == nil, ERR_CANT_CREATE); + + win.context = [[NSOpenGLContext alloc] initWithFormat:pixel_format shareContext:shared_context]; + ERR_FAIL_COND_V(win.context == nil, ERR_CANT_CREATE); + if (shared_context == nullptr) { + shared_context = win.context; + } + + [win.context setView:win.window_view]; + [win.context makeCurrentContext]; + + return OK; +} + +Error GLManager_MacOS::window_create(DisplayServer::WindowID p_window_id, id p_view, int p_width, int p_height) { + GLWindow win; + win.width = p_width; + win.height = p_height; + 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 GLManager_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]; + + win.width = p_width; + win.height = p_height; + + 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]; +} + +int GLManager_MacOS::window_get_width(DisplayServer::WindowID p_window_id) { + if (!windows.has(p_window_id)) { + return 0; + } + + GLWindow &win = windows[p_window_id]; + return win.width; +} + +int GLManager_MacOS::window_get_height(DisplayServer::WindowID p_window_id) { + if (!windows.has(p_window_id)) { + return 0; + } + + GLWindow &win = windows[p_window_id]; + return win.height; +} + +void GLManager_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 GLManager_MacOS::release_current() { + if (current_window == DisplayServer::INVALID_WINDOW_ID) { + return; + } + + [NSOpenGLContext clearCurrentContext]; +} + +void GLManager_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 GLManager_MacOS::make_current() { + if (current_window == DisplayServer::INVALID_WINDOW_ID) { + return; + } + if (!windows.has(current_window)) { + return; + } + + GLWindow &win = windows[current_window]; + [win.context makeCurrentContext]; +} + +void GLManager_MacOS::swap_buffers() { + for (const KeyValue<DisplayServer::WindowID, GLWindow> &E : windows) { + [E.value.context flushBuffer]; + } +} + +void GLManager_MacOS::window_update(DisplayServer::WindowID p_window_id) { + if (!windows.has(p_window_id)) { + return; + } + + GLWindow &win = windows[p_window_id]; + [win.context update]; +} + +void GLManager_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 GLManager_MacOS::initialize() { + return OK; +} + +void GLManager_MacOS::set_use_vsync(bool p_use) { + use_vsync = p_use; + + CGLContextObj ctx = CGLGetCurrentContext(); + if (ctx) { + GLint swapInterval = p_use ? 1 : 0; + CGLSetParameter(ctx, kCGLCPSwapInterval, &swapInterval); + use_vsync = p_use; + } +} + +bool GLManager_MacOS::is_using_vsync() const { + return use_vsync; +} + +GLManager_MacOS::GLManager_MacOS(ContextType p_context_type) { + context_type = p_context_type; +} + +GLManager_MacOS::~GLManager_MacOS() { + release_current(); +} + +#endif // GLES3_ENABLED +#endif // MACOS_ENABLED |