forked from sascha/godot
[macOS] Add support for OpenGLES3 video driver.
bruvzg
parent
87727f70ed
commit
1ad14eb14b
@ -1,161 +0,0 @@
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/*************************************************************************/
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/* context_gl_osx.mm */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "context_gl_osx.h"
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#if defined(GLES3_ENABLED) || defined(GLES_ENABLED)
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void ContextGL_OSX::release_current() {
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[NSOpenGLContext clearCurrentContext];
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}
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void ContextGL_OSX::make_current() {
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[context makeCurrentContext];
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}
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void ContextGL_OSX::update() {
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[context update];
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}
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void ContextGL_OSX::set_opacity(GLint p_opacity) {
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[context setValues:&p_opacity forParameter:NSOpenGLCPSurfaceOpacity];
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}
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int ContextGL_OSX::get_window_width() {
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return OS::get_singleton()->get_video_mode().width;
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}
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int ContextGL_OSX::get_window_height() {
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return OS::get_singleton()->get_video_mode().height;
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}
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void ContextGL_OSX::swap_buffers() {
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[context flushBuffer];
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}
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void ContextGL_OSX::set_use_vsync(bool p_use) {
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CGLContextObj ctx = CGLGetCurrentContext();
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if (ctx) {
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GLint swapInterval = p_use ? 1 : 0;
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CGLSetParameter(ctx, kCGLCPSwapInterval, &swapInterval);
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use_vsync = p_use;
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}
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}
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bool ContextGL_OSX::is_using_vsync() const {
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return use_vsync;
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}
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Error ContextGL_OSX::initialize() {
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framework = CFBundleGetBundleWithIdentifier(CFSTR("com.apple.opengl"));
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ERR_FAIL_COND_V(!framework, ERR_CANT_CREATE);
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unsigned int attributeCount = 0;
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// OS X needs non-zero color size, so set reasonable values
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int colorBits = 32;
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// Fail if a robustness strategy was requested
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#define ADD_ATTR(x) \
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{ attributes[attributeCount++] = x; }
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#define ADD_ATTR2(x, y) \
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{ \
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ADD_ATTR(x); \
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ADD_ATTR(y); \
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}
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// Arbitrary array size here
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NSOpenGLPixelFormatAttribute attributes[40];
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ADD_ATTR(NSOpenGLPFADoubleBuffer);
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ADD_ATTR(NSOpenGLPFAClosestPolicy);
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if (!gles3_context) {
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ADD_ATTR2(NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersionLegacy);
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} else {
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//we now need OpenGL 3 or better, maybe even change this to 3_3Core ?
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ADD_ATTR2(NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core);
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}
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ADD_ATTR2(NSOpenGLPFAColorSize, colorBits);
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/*
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if (fbconfig->alphaBits > 0)
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ADD_ATTR2(NSOpenGLPFAAlphaSize, fbconfig->alphaBits);
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*/
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ADD_ATTR2(NSOpenGLPFADepthSize, 24);
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ADD_ATTR2(NSOpenGLPFAStencilSize, 8);
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/*
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if (fbconfig->stereo)
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ADD_ATTR(NSOpenGLPFAStereo);
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*/
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/*
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if (fbconfig->samples > 0) {
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ADD_ATTR2(NSOpenGLPFASampleBuffers, 1);
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ADD_ATTR2(NSOpenGLPFASamples, fbconfig->samples);
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}
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*/
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// NOTE: All NSOpenGLPixelFormats on the relevant cards support sRGB
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// framebuffer, so there's no need (and no way) to request it
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ADD_ATTR(0);
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#undef ADD_ATTR
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#undef ADD_ATTR2
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pixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:attributes];
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ERR_FAIL_COND_V(pixelFormat == nil, ERR_CANT_CREATE);
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context = [[NSOpenGLContext alloc] initWithFormat:pixelFormat shareContext:nil];
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ERR_FAIL_COND_V(context == nil, ERR_CANT_CREATE);
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[context setView:window_view];
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[context makeCurrentContext];
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return OK;
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}
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ContextGL_OSX::ContextGL_OSX(id p_view, bool p_gles3_context) {
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gles3_context = p_gles3_context;
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window_view = p_view;
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use_vsync = false;
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}
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ContextGL_OSX::~ContextGL_OSX() {}
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#endif
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@ -0,0 +1,233 @@
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/*************************************************************************/
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/* gl_manager_osx.mm */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "gl_manager_osx.h"
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#ifdef OSX_ENABLED
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#ifdef GLES3_ENABLED
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#include <stdio.h>
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#include <stdlib.h>
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Error GLManager_OSX::_create_context(GLWindow &win) {
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NSOpenGLPixelFormatAttribute attributes[] = {
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NSOpenGLPFADoubleBuffer,
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NSOpenGLPFAClosestPolicy,
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NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core,
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NSOpenGLPFAColorSize, 32,
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NSOpenGLPFADepthSize, 24,
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NSOpenGLPFAStencilSize, 8,
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0
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};
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NSOpenGLPixelFormat *pixel_format = [[NSOpenGLPixelFormat alloc] initWithAttributes:attributes];
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ERR_FAIL_COND_V(pixel_format == nil, ERR_CANT_CREATE);
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win.context = [[NSOpenGLContext alloc] initWithFormat:pixel_format shareContext:_shared_context];
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ERR_FAIL_COND_V(win.context == nil, ERR_CANT_CREATE);
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if (_shared_context == nullptr) {
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_shared_context = win.context;
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}
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[win.context setView:win.window_view];
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[win.context makeCurrentContext];
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return OK;
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}
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Error GLManager_OSX::window_create(DisplayServer::WindowID p_window_id, id p_view, int p_width, int p_height) {
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if (p_window_id >= (int)_windows.size()) {
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_windows.resize(p_window_id + 1);
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}
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GLWindow &win = _windows[p_window_id];
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win.in_use = true;
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win.window_id = p_window_id;
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win.width = p_width;
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win.height = p_height;
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win.window_view = p_view;
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if (_create_context(win) != OK) {
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_windows.remove(_windows.size() - 1);
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return FAILED;
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}
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window_make_current(_windows.size() - 1);
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return OK;
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}
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void GLManager_OSX::_internal_set_current_window(GLWindow *p_win) {
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_current_window = p_win;
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}
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void GLManager_OSX::window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) {
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if (p_window_id == -1) {
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return;
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}
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GLWindow &win = _windows[p_window_id];
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if (!win.in_use) {
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return;
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}
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win.width = p_width;
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win.height = p_height;
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GLint dim[2];
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dim[0] = p_width;
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dim[1] = p_height;
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CGLSetParameter((CGLContextObj)[win.context CGLContextObj], kCGLCPSurfaceBackingSize, &dim[0]);
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CGLEnable((CGLContextObj)[win.context CGLContextObj], kCGLCESurfaceBackingSize);
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if (OS::get_singleton()->is_hidpi_allowed()) {
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[win.window_view setWantsBestResolutionOpenGLSurface:YES];
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} else {
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[win.window_view setWantsBestResolutionOpenGLSurface:NO];
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}
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[win.context update];
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}
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int GLManager_OSX::window_get_width(DisplayServer::WindowID p_window_id) {
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return get_window(p_window_id).width;
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}
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int GLManager_OSX::window_get_height(DisplayServer::WindowID p_window_id) {
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return get_window(p_window_id).height;
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}
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void GLManager_OSX::window_destroy(DisplayServer::WindowID p_window_id) {
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GLWindow &win = get_window(p_window_id);
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win.in_use = false;
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if (_current_window == &win) {
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_current_window = nullptr;
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}
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}
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void GLManager_OSX::release_current() {
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if (!_current_window) {
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return;
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}
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[NSOpenGLContext clearCurrentContext];
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}
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void GLManager_OSX::window_make_current(DisplayServer::WindowID p_window_id) {
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if (p_window_id == -1) {
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return;
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}
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GLWindow &win = _windows[p_window_id];
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if (!win.in_use) {
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return;
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}
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if (&win == _current_window) {
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return;
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}
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[win.context makeCurrentContext];
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_internal_set_current_window(&win);
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}
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void GLManager_OSX::make_current() {
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if (!_current_window) {
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return;
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}
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if (!_current_window->in_use) {
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WARN_PRINT("current window not in use!");
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return;
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}
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[_current_window->context makeCurrentContext];
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}
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void GLManager_OSX::swap_buffers() {
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// NO NEED TO CALL SWAP BUFFERS for each window...
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// see https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glXSwapBuffers.xml
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if (!_current_window) {
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return;
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}
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if (!_current_window->in_use) {
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WARN_PRINT("current window not in use!");
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return;
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}
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[_current_window->context flushBuffer];
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}
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void GLManager_OSX::window_update(DisplayServer::WindowID p_window_id) {
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if (p_window_id == -1) {
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return;
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}
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GLWindow &win = _windows[p_window_id];
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if (!win.in_use) {
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return;
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}
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if (&win == _current_window) {
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return;
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}
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[win.context update];
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}
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Error GLManager_OSX::initialize() {
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return OK;
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}
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void GLManager_OSX::set_use_vsync(bool p_use) {
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use_vsync = p_use;
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CGLContextObj ctx = CGLGetCurrentContext();
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if (ctx) {
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GLint swapInterval = p_use ? 1 : 0;
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CGLSetParameter(ctx, kCGLCPSwapInterval, &swapInterval);
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use_vsync = p_use;
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}
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}
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bool GLManager_OSX::is_using_vsync() const {
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return use_vsync;
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}
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GLManager_OSX::GLManager_OSX(ContextType p_context_type) {
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context_type = p_context_type;
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use_vsync = false;
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_current_window = nullptr;
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}
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GLManager_OSX::~GLManager_OSX() {
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release_current();
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}
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#endif // GLES3_ENABLED
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#endif // OSX
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