162 lines
5.1 KiB
Plaintext
162 lines
5.1 KiB
Plaintext
/*************************************************************************/
|
|
/* context_gl_osx.mm */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2021 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 "context_gl_osx.h"
|
|
|
|
#if defined(OPENGL_ENABLED) || defined(GLES_ENABLED)
|
|
|
|
void ContextGL_OSX::release_current() {
|
|
[NSOpenGLContext clearCurrentContext];
|
|
}
|
|
|
|
void ContextGL_OSX::make_current() {
|
|
[context makeCurrentContext];
|
|
}
|
|
|
|
void ContextGL_OSX::update() {
|
|
[context update];
|
|
}
|
|
|
|
void ContextGL_OSX::set_opacity(GLint p_opacity) {
|
|
[context setValues:&p_opacity forParameter:NSOpenGLCPSurfaceOpacity];
|
|
}
|
|
|
|
int ContextGL_OSX::get_window_width() {
|
|
return OS::get_singleton()->get_video_mode().width;
|
|
}
|
|
|
|
int ContextGL_OSX::get_window_height() {
|
|
return OS::get_singleton()->get_video_mode().height;
|
|
}
|
|
|
|
void ContextGL_OSX::swap_buffers() {
|
|
[context flushBuffer];
|
|
}
|
|
|
|
void ContextGL_OSX::set_use_vsync(bool p_use) {
|
|
CGLContextObj ctx = CGLGetCurrentContext();
|
|
if (ctx) {
|
|
GLint swapInterval = p_use ? 1 : 0;
|
|
CGLSetParameter(ctx, kCGLCPSwapInterval, &swapInterval);
|
|
use_vsync = p_use;
|
|
}
|
|
}
|
|
|
|
bool ContextGL_OSX::is_using_vsync() const {
|
|
return use_vsync;
|
|
}
|
|
|
|
Error ContextGL_OSX::initialize() {
|
|
framework = CFBundleGetBundleWithIdentifier(CFSTR("com.apple.opengl"));
|
|
ERR_FAIL_COND_V(!framework, ERR_CANT_CREATE);
|
|
|
|
unsigned int attributeCount = 0;
|
|
|
|
// OS X needs non-zero color size, so set reasonable values
|
|
int colorBits = 32;
|
|
|
|
// Fail if a robustness strategy was requested
|
|
|
|
#define ADD_ATTR(x) \
|
|
{ attributes[attributeCount++] = x; }
|
|
#define ADD_ATTR2(x, y) \
|
|
{ \
|
|
ADD_ATTR(x); \
|
|
ADD_ATTR(y); \
|
|
}
|
|
|
|
// Arbitrary array size here
|
|
NSOpenGLPixelFormatAttribute attributes[40];
|
|
|
|
ADD_ATTR(NSOpenGLPFADoubleBuffer);
|
|
ADD_ATTR(NSOpenGLPFAClosestPolicy);
|
|
|
|
if (!opengl_3_context) {
|
|
ADD_ATTR2(NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersionLegacy);
|
|
} else {
|
|
//we now need OpenGL 3 or better, maybe even change this to 3_3Core ?
|
|
ADD_ATTR2(NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core);
|
|
}
|
|
|
|
ADD_ATTR2(NSOpenGLPFAColorSize, colorBits);
|
|
|
|
/*
|
|
if (fbconfig->alphaBits > 0)
|
|
ADD_ATTR2(NSOpenGLPFAAlphaSize, fbconfig->alphaBits);
|
|
*/
|
|
|
|
ADD_ATTR2(NSOpenGLPFADepthSize, 24);
|
|
|
|
ADD_ATTR2(NSOpenGLPFAStencilSize, 8);
|
|
|
|
/*
|
|
if (fbconfig->stereo)
|
|
ADD_ATTR(NSOpenGLPFAStereo);
|
|
*/
|
|
|
|
/*
|
|
if (fbconfig->samples > 0) {
|
|
ADD_ATTR2(NSOpenGLPFASampleBuffers, 1);
|
|
ADD_ATTR2(NSOpenGLPFASamples, fbconfig->samples);
|
|
}
|
|
*/
|
|
|
|
// NOTE: All NSOpenGLPixelFormats on the relevant cards support sRGB
|
|
// framebuffer, so there's no need (and no way) to request it
|
|
|
|
ADD_ATTR(0);
|
|
|
|
#undef ADD_ATTR
|
|
#undef ADD_ATTR2
|
|
|
|
pixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:attributes];
|
|
ERR_FAIL_COND_V(pixelFormat == nil, ERR_CANT_CREATE);
|
|
|
|
context = [[NSOpenGLContext alloc] initWithFormat:pixelFormat shareContext:nil];
|
|
|
|
ERR_FAIL_COND_V(context == nil, ERR_CANT_CREATE);
|
|
|
|
[context setView:window_view];
|
|
|
|
[context makeCurrentContext];
|
|
|
|
return OK;
|
|
}
|
|
|
|
ContextGL_OSX::ContextGL_OSX(id p_view, bool p_opengl_3_context) {
|
|
opengl_3_context = p_opengl_3_context;
|
|
window_view = p_view;
|
|
use_vsync = false;
|
|
}
|
|
|
|
ContextGL_OSX::~ContextGL_OSX() {}
|
|
|
|
#endif
|