diff options
author | Michael Lutz <michi@icosahedron.de> | 2020-12-26 16:07:47 +0100 |
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committer | Michael Lutz <michi@icosahedron.de> | 2021-01-03 13:25:32 +0100 |
commit | 9ccef816f90e9a7e3042cd89141ba3c0956d7bb9 (patch) | |
tree | 906ca656f585147070658dc14211b31c0689a83e /src/video/cocoa/wnd_quartz.mm | |
parent | ab7da117e066983d076f540b9722e1b79cf01d98 (diff) | |
download | openttd-9ccef816f90e9a7e3042cd89141ba3c0956d7bb9.tar.xz |
Codechange: [OSX] Re-arrange the OSX video driver code by combining all drawing code and moving the window/event handling to a different file.
This is just a code move/rename, not a functionality change.
Diffstat (limited to 'src/video/cocoa/wnd_quartz.mm')
-rw-r--r-- | src/video/cocoa/wnd_quartz.mm | 587 |
1 files changed, 0 insertions, 587 deletions
diff --git a/src/video/cocoa/wnd_quartz.mm b/src/video/cocoa/wnd_quartz.mm deleted file mode 100644 index 228198108..000000000 --- a/src/video/cocoa/wnd_quartz.mm +++ /dev/null @@ -1,587 +0,0 @@ -/* - * This file is part of OpenTTD. - * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. - * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>. - */ - -/****************************************************************************** - * Cocoa video driver * - * Known things left to do: * - * List available resolutions. * - ******************************************************************************/ - -#ifdef WITH_COCOA -#ifdef ENABLE_COCOA_QUARTZ - -#include "../../stdafx.h" -#include "../../os/macosx/macos.h" - -#define Rect OTTDRect -#define Point OTTDPoint -#import <Cocoa/Cocoa.h> -#undef Rect -#undef Point - -#include "../../debug.h" -#include "../../rev.h" -#include "../../core/geometry_type.hpp" -#include "cocoa_v.h" -#include "../../core/math_func.hpp" -#include "../../gfx_func.h" -#include "../../framerate_type.h" - -/* On some old versions of MAC OS this may not be defined. - * Those versions generally only produce code for PPC. So it should be safe to - * set this to 0. */ -#ifndef kCGBitmapByteOrder32Host -#define kCGBitmapByteOrder32Host 0 -#endif - -/** - * Important notice regarding all modifications!!!!!!! - * There are certain limitations because the file is objective C++. - * gdb has limitations. - * C++ and objective C code can't be joined in all cases (classes stuff). - * Read http://developer.apple.com/releasenotes/Cocoa/Objective-C++.html for more information. - */ - -class WindowQuartzSubdriver; - -/* Subclass of OTTD_CocoaView to fix Quartz rendering */ -@interface OTTD_QuartzView : OTTD_CocoaView -- (void)setDriver:(WindowQuartzSubdriver*)drv; -- (void)drawRect:(NSRect)invalidRect; -@end - -class WindowQuartzSubdriver : public CocoaSubdriver { -private: - /** - * This function copies 8bpp pixels from the screen buffer in 32bpp windowed mode. - * - * @param left The x coord for the left edge of the box to blit. - * @param top The y coord for the top edge of the box to blit. - * @param right The x coord for the right edge of the box to blit. - * @param bottom The y coord for the bottom edge of the box to blit. - */ - void BlitIndexedToView32(int left, int top, int right, int bottom); - - virtual void GetDeviceInfo(); - virtual bool SetVideoMode(int width, int height, int bpp); - -public: - WindowQuartzSubdriver(); - virtual ~WindowQuartzSubdriver(); - - virtual void Draw(bool force_update); - virtual void MakeDirty(int left, int top, int width, int height); - virtual void UpdatePalette(uint first_color, uint num_colors); - - virtual uint ListModes(OTTD_Point *modes, uint max_modes); - - virtual bool ChangeResolution(int w, int h, int bpp); - - virtual bool IsFullscreen() { return false; } - virtual bool ToggleFullscreen(); /* Full screen mode on OSX 10.7 */ - - virtual int GetWidth() { return window_width; } - virtual int GetHeight() { return window_height; } - virtual void *GetPixelBuffer() { return buffer_depth == 8 ? pixel_buffer : window_buffer; } - - /* Convert local coordinate to window server (CoreGraphics) coordinate */ - virtual CGPoint PrivateLocalToCG(NSPoint *p); - - virtual NSPoint GetMouseLocation(NSEvent *event); - virtual bool MouseIsInsideView(NSPoint *pt); - - virtual bool IsActive() { return active; } - - - void SetPortAlphaOpaque(); - bool WindowResized(); -}; - - -@implementation OTTD_QuartzView - -- (void)setDriver:(WindowQuartzSubdriver*)drv -{ - driver = drv; -} -- (void)drawRect:(NSRect)invalidRect -{ - if (driver->cgcontext == NULL) return; - - CGContextRef viewContext = (CGContextRef)[ [ NSGraphicsContext currentContext ] graphicsPort ]; - CGContextSetShouldAntialias(viewContext, FALSE); - CGContextSetInterpolationQuality(viewContext, kCGInterpolationNone); - - /* The obtained 'rect' is actually a union of all dirty rects, let's ask for an explicit list of rects instead */ - const NSRect *dirtyRects; - NSInteger dirtyRectCount; - [ self getRectsBeingDrawn:&dirtyRects count:&dirtyRectCount ]; - - /* We need an Image in order to do blitting, but as we don't touch the context between this call and drawing no copying will actually be done here */ - CGImageRef fullImage = CGBitmapContextCreateImage(driver->cgcontext); - - /* Calculate total area we are blitting */ - uint32 blitArea = 0; - for (int n = 0; n < dirtyRectCount; n++) { - blitArea += (uint32)(dirtyRects[n].size.width * dirtyRects[n].size.height); - } - - /* - * This might be completely stupid, but in my extremely subjective opinion it feels faster - * The point is, if we're blitting less than 50% of the dirty rect union then it's still a good idea to blit each dirty - * rect separately but if we blit more than that, it's just cheaper to blit the entire union in one pass. - * Feel free to remove or find an even better value than 50% ... / blackis - */ - NSRect frameRect = [ self frame ]; - if (blitArea / (float)(invalidRect.size.width * invalidRect.size.height) > 0.5f) { - NSRect rect = invalidRect; - CGRect clipRect; - CGRect blitRect; - - blitRect.origin.x = rect.origin.x; - blitRect.origin.y = rect.origin.y; - blitRect.size.width = rect.size.width; - blitRect.size.height = rect.size.height; - - clipRect.origin.x = rect.origin.x; - clipRect.origin.y = frameRect.size.height - rect.origin.y - rect.size.height; - - clipRect.size.width = rect.size.width; - clipRect.size.height = rect.size.height; - - /* Blit dirty part of image */ - CGImageRef clippedImage = CGImageCreateWithImageInRect(fullImage, clipRect); - CGContextDrawImage(viewContext, blitRect, clippedImage); - CGImageRelease(clippedImage); - } else { - for (int n = 0; n < dirtyRectCount; n++) { - NSRect rect = dirtyRects[n]; - CGRect clipRect; - CGRect blitRect; - - blitRect.origin.x = rect.origin.x; - blitRect.origin.y = rect.origin.y; - blitRect.size.width = rect.size.width; - blitRect.size.height = rect.size.height; - - clipRect.origin.x = rect.origin.x; - clipRect.origin.y = frameRect.size.height - rect.origin.y - rect.size.height; - - clipRect.size.width = rect.size.width; - clipRect.size.height = rect.size.height; - - /* Blit dirty part of image */ - CGImageRef clippedImage = CGImageCreateWithImageInRect(fullImage, clipRect); - CGContextDrawImage(viewContext, blitRect, clippedImage); - CGImageRelease(clippedImage); - } - } - - CGImageRelease(fullImage); -} - -@end - - -void WindowQuartzSubdriver::GetDeviceInfo() -{ - /* Initialize the video settings; this data persists between mode switches - * and gather some information that is useful to know about the display */ - - /* Use the new API when compiling for OSX 10.6 or later */ - CGDisplayModeRef cur_mode = CGDisplayCopyDisplayMode(kCGDirectMainDisplay); - if (cur_mode == NULL) { return; } - - this->device_width = CGDisplayModeGetWidth(cur_mode); - this->device_height = CGDisplayModeGetHeight(cur_mode); - - CGDisplayModeRelease(cur_mode); -} - -/** Switch to full screen mode on OSX 10.7 - * @return Whether we switched to full screen - */ -bool WindowQuartzSubdriver::ToggleFullscreen() -{ - if ([ this->window respondsToSelector:@selector(toggleFullScreen:) ]) { - [ this->window performSelector:@selector(toggleFullScreen:) withObject:this->window ]; - return true; - } - - return false; -} - -bool WindowQuartzSubdriver::SetVideoMode(int width, int height, int bpp) -{ - this->setup = true; - this->GetDeviceInfo(); - - if (width > this->device_width) width = this->device_width; - if (height > this->device_height) height = this->device_height; - - NSRect contentRect = NSMakeRect(0, 0, width, height); - - /* Check if we should recreate the window */ - if (this->window == nil) { - OTTD_CocoaWindowDelegate *delegate; - - /* Set the window style */ - unsigned int style = NSTitledWindowMask; - style |= (NSMiniaturizableWindowMask | NSClosableWindowMask); - style |= NSResizableWindowMask; - - /* Manually create a window, avoids having a nib file resource */ - this->window = [ [ OTTD_CocoaWindow alloc ] - initWithContentRect:contentRect - styleMask:style - backing:NSBackingStoreBuffered - defer:NO ]; - - if (this->window == nil) { - DEBUG(driver, 0, "Could not create the Cocoa window."); - this->setup = false; - return false; - } - - /* Add built in full-screen support when available (OS X 10.7 and higher) - * This code actually compiles for 10.5 and later, but only makes sense in conjunction - * with the quartz fullscreen support as found only in 10.7 and later - */ - if ([this->window respondsToSelector:@selector(toggleFullScreen:)]) { - NSWindowCollectionBehavior behavior = [ this->window collectionBehavior ]; - behavior |= NSWindowCollectionBehaviorFullScreenPrimary; - [ this->window setCollectionBehavior:behavior ]; - - NSButton* fullscreenButton = [ this->window standardWindowButton:NSWindowFullScreenButton ]; - [ fullscreenButton setAction:@selector(toggleFullScreen:) ]; - [ fullscreenButton setTarget:this->window ]; - - [ this->window setCollectionBehavior: NSWindowCollectionBehaviorFullScreenPrimary ]; - } - - [ this->window setDriver:this ]; - - char caption[50]; - snprintf(caption, sizeof(caption), "OpenTTD %s", _openttd_revision); - NSString *nsscaption = [ [ NSString alloc ] initWithUTF8String:caption ]; - [ this->window setTitle:nsscaption ]; - [ this->window setMiniwindowTitle:nsscaption ]; - [ nsscaption release ]; - - [ this->window setContentMinSize:NSMakeSize(64.0f, 64.0f) ]; - - [ this->window setAcceptsMouseMovedEvents:YES ]; - [ this->window setViewsNeedDisplay:NO ]; - - delegate = [ [ OTTD_CocoaWindowDelegate alloc ] init ]; - [ delegate setDriver:this ]; - [ this->window setDelegate:[ delegate autorelease ] ]; - } else { - /* We already have a window, just change its size */ - [ this->window setContentSize:contentRect.size ]; - - /* Ensure frame height - title bar height >= view height */ - contentRect.size.height = Clamp(height, 0, (int)[ this->window frame ].size.height - 22 /* 22 is the height of title bar of window*/); - - if (this->cocoaview != nil) { - height = (int)contentRect.size.height; - [ this->cocoaview setFrameSize:contentRect.size ]; - } - } - - this->window_width = width; - this->window_height = height; - this->buffer_depth = bpp; - - [ (OTTD_CocoaWindow *)this->window center ]; - - /* Only recreate the view if it doesn't already exist */ - if (this->cocoaview == nil) { - this->cocoaview = [ [ OTTD_QuartzView alloc ] initWithFrame:contentRect ]; - if (this->cocoaview == nil) { - DEBUG(driver, 0, "Could not create the Quartz view."); - this->setup = false; - return false; - } - - [ this->cocoaview setDriver:this ]; - - [ (NSView*)this->cocoaview setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable ]; - [ this->window setContentView:cocoaview ]; - [ this->cocoaview release ]; - [ this->window makeKeyAndOrderFront:nil ]; - } - - [this->window setColorSpace:[NSColorSpace sRGBColorSpace]]; - this->color_space = CGColorSpaceCreateWithName(kCGColorSpaceSRGB); - if (this->color_space == nullptr) this->color_space = CGColorSpaceCreateDeviceRGB(); - if (this->color_space == nullptr) error("Could not get a valid colour space for drawing."); - - bool ret = WindowResized(); - this->UpdatePalette(0, 256); - - this->setup = false; - - return ret; -} - -void WindowQuartzSubdriver::BlitIndexedToView32(int left, int top, int right, int bottom) -{ - const uint32 *pal = this->palette; - const uint8 *src = (uint8*)this->pixel_buffer; - uint32 *dst = (uint32*)this->window_buffer; - uint width = this->window_width; - uint pitch = this->window_width; - - for (int y = top; y < bottom; y++) { - for (int x = left; x < right; x++) { - dst[y * pitch + x] = pal[src[y * width + x]]; - } - } -} - - -WindowQuartzSubdriver::WindowQuartzSubdriver() -{ - this->window_width = 0; - this->window_height = 0; - this->buffer_depth = 0; - this->window_buffer = NULL; - this->pixel_buffer = NULL; - this->active = false; - this->setup = false; - - this->window = nil; - this->cocoaview = nil; - - this->cgcontext = NULL; - - this->num_dirty_rects = MAX_DIRTY_RECTS; -} - -WindowQuartzSubdriver::~WindowQuartzSubdriver() -{ - /* Release window mode resources */ - if (this->window != nil) [ this->window close ]; - - CGContextRelease(this->cgcontext); - - CGColorSpaceRelease(this->color_space); - free(this->window_buffer); - free(this->pixel_buffer); -} - -void WindowQuartzSubdriver::Draw(bool force_update) -{ - PerformanceMeasurer framerate(PFE_VIDEO); - - /* Check if we need to do anything */ - if (this->num_dirty_rects == 0 || [ this->window isMiniaturized ]) return; - - if (this->num_dirty_rects >= MAX_DIRTY_RECTS) { - this->num_dirty_rects = 1; - this->dirty_rects[0].left = 0; - this->dirty_rects[0].top = 0; - this->dirty_rects[0].right = this->window_width; - this->dirty_rects[0].bottom = this->window_height; - } - - /* Build the region of dirty rectangles */ - for (int i = 0; i < this->num_dirty_rects; i++) { - /* We only need to blit in indexed mode since in 32bpp mode the game draws directly to the image. */ - if (this->buffer_depth == 8) { - BlitIndexedToView32( - this->dirty_rects[i].left, - this->dirty_rects[i].top, - this->dirty_rects[i].right, - this->dirty_rects[i].bottom - ); - } - - NSRect dirtyrect; - dirtyrect.origin.x = this->dirty_rects[i].left; - dirtyrect.origin.y = this->window_height - this->dirty_rects[i].bottom; - dirtyrect.size.width = this->dirty_rects[i].right - this->dirty_rects[i].left; - dirtyrect.size.height = this->dirty_rects[i].bottom - this->dirty_rects[i].top; - - /* Normally drawRect will be automatically called by Mac OS X during next update cycle, - * and then blitting will occur. If force_update is true, it will be done right now. */ - [ this->cocoaview setNeedsDisplayInRect:dirtyrect ]; - if (force_update) [ this->cocoaview displayIfNeeded ]; - } - - this->num_dirty_rects = 0; -} - -void WindowQuartzSubdriver::MakeDirty(int left, int top, int width, int height) -{ - if (this->num_dirty_rects < MAX_DIRTY_RECTS) { - dirty_rects[this->num_dirty_rects].left = left; - dirty_rects[this->num_dirty_rects].top = top; - dirty_rects[this->num_dirty_rects].right = left + width; - dirty_rects[this->num_dirty_rects].bottom = top + height; - } - this->num_dirty_rects++; -} - -void WindowQuartzSubdriver::UpdatePalette(uint first_color, uint num_colors) -{ - if (this->buffer_depth != 8) return; - - for (uint i = first_color; i < first_color + num_colors; i++) { - uint32 clr = 0xff000000; - clr |= (uint32)_cur_palette.palette[i].r << 16; - clr |= (uint32)_cur_palette.palette[i].g << 8; - clr |= (uint32)_cur_palette.palette[i].b; - this->palette[i] = clr; - } - - this->num_dirty_rects = MAX_DIRTY_RECTS; -} - -uint WindowQuartzSubdriver::ListModes(OTTD_Point *modes, uint max_modes) -{ - return QZ_ListModes(modes, max_modes, kCGDirectMainDisplay, this->buffer_depth); -} - -bool WindowQuartzSubdriver::ChangeResolution(int w, int h, int bpp) -{ - int old_width = this->window_width; - int old_height = this->window_height; - int old_bpp = this->buffer_depth; - - if (this->SetVideoMode(w, h, bpp)) return true; - if (old_width != 0 && old_height != 0) this->SetVideoMode(old_width, old_height, old_bpp); - - return false; -} - -/* Convert local coordinate to window server (CoreGraphics) coordinate */ -CGPoint WindowQuartzSubdriver::PrivateLocalToCG(NSPoint *p) -{ - - p->y = this->window_height - p->y; - *p = [ this->cocoaview convertPoint:*p toView:nil ]; - *p = [ this->window convertRectToScreen:NSMakeRect(p->x, p->y, 0, 0) ].origin; - - p->y = this->device_height - p->y; - - CGPoint cgp; - cgp.x = p->x; - cgp.y = p->y; - - return cgp; -} - -NSPoint WindowQuartzSubdriver::GetMouseLocation(NSEvent *event) -{ - NSPoint pt; - - if ( [ event window ] == nil) { - pt = [ this->cocoaview convertPoint:[ [ this->cocoaview window ] convertRectFromScreen:NSMakeRect([ event locationInWindow ].x, [ event locationInWindow ].y, 0, 0) ].origin fromView:nil ]; - } else { - pt = [ event locationInWindow ]; - } - - pt.y = this->window_height - pt.y; - - return pt; -} - -bool WindowQuartzSubdriver::MouseIsInsideView(NSPoint *pt) -{ - return [ cocoaview mouse:*pt inRect:[ this->cocoaview bounds ] ]; -} - - -/* This function makes the *game region* of the window 100% opaque. - * The genie effect uses the alpha component. Otherwise, - * it doesn't seem to matter what value it has. - */ -void WindowQuartzSubdriver::SetPortAlphaOpaque() -{ - uint32 *pixels = (uint32*)this->window_buffer; - uint32 pitch = this->window_width; - - for (int y = 0; y < this->window_height; y++) - for (int x = 0; x < this->window_width; x++) { - pixels[y * pitch + x] |= 0xFF000000; - } -} - -bool WindowQuartzSubdriver::WindowResized() -{ - if (this->window == nil || this->cocoaview == nil) return true; - - NSRect newframe = [ this->cocoaview frame ]; - - this->window_width = (int)newframe.size.width; - this->window_height = (int)newframe.size.height; - - /* Create Core Graphics Context */ - free(this->window_buffer); - this->window_buffer = (uint32*)malloc(this->window_width * this->window_height * 4); - - CGContextRelease(this->cgcontext); - this->cgcontext = CGBitmapContextCreate( - this->window_buffer, // data - this->window_width, // width - this->window_height, // height - 8, // bits per component - this->window_width * 4, // bytes per row - this->color_space, // color space - kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Host - ); - - assert(this->cgcontext != NULL); - CGContextSetShouldAntialias(this->cgcontext, FALSE); - CGContextSetAllowsAntialiasing(this->cgcontext, FALSE); - CGContextSetInterpolationQuality(this->cgcontext, kCGInterpolationNone); - - if (this->buffer_depth == 8) { - free(this->pixel_buffer); - this->pixel_buffer = malloc(this->window_width * this->window_height); - if (this->pixel_buffer == NULL) { - DEBUG(driver, 0, "Failed to allocate pixel buffer"); - return false; - } - } - - QZ_GameSizeChanged(); - - /* Redraw screen */ - this->num_dirty_rects = MAX_DIRTY_RECTS; - - return true; -} - - -CocoaSubdriver *QZ_CreateWindowQuartzSubdriver(int width, int height, int bpp) -{ - if (!MacOSVersionIsAtLeast(10, 7, 0)) { - DEBUG(driver, 0, "The cocoa quartz subdriver requires Mac OS X 10.7 or later."); - return NULL; - } - - if (bpp != 8 && bpp != 32) { - DEBUG(driver, 0, "The cocoa quartz subdriver only supports 8 and 32 bpp."); - return NULL; - } - - WindowQuartzSubdriver *ret = new WindowQuartzSubdriver(); - - if (!ret->ChangeResolution(width, height, bpp)) { - delete ret; - return NULL; - } - - return ret; -} - - -#endif /* ENABLE_COCOA_QUARTZ */ -#endif /* WITH_COCOA */ |