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|
/* $Id$ */
/*
* 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"
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
#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"
/* 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();
};
static CGColorSpaceRef QZ_GetCorrectColorSpace()
{
static CGColorSpaceRef colorSpace = NULL;
if (colorSpace == NULL) {
CMProfileRef sysProfile;
if (CMGetSystemProfile(&sysProfile) == noErr) {
colorSpace = CGColorSpaceCreateWithPlatformColorSpace(sysProfile);
CMCloseProfile(sysProfile);
} else {
colorSpace = CGColorSpaceCreateDeviceRGB();
}
if (colorSpace == NULL) error("Could not get system colour space. You might need to recalibrate your monitor.");
}
return colorSpace;
}
@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 += 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 */
# if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
/* This way is deprecated as of OSX 10.6 but continues to work.Thus use it
* always, unless allowed to skip compatibility with 10.5 and earlier */
CFDictionaryRef cur_mode = CGDisplayCurrentMode(kCGDirectMainDisplay);
CFNumberGetValue(
(const __CFNumber*)CFDictionaryGetValue(cur_mode, kCGDisplayWidth),
kCFNumberSInt32Type, &this->device_width
);
CFNumberGetValue(
(const __CFNumber*)CFDictionaryGetValue(cur_mode, kCGDisplayHeight),
kCFNumberSInt32Type, &this->device_height
);
# else
/* 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);
# endif
}
/** 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;
}
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
/* 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:)]) {
#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
/* Constants needed to build on pre-10.7 SDKs. Source: NSWindow documentation. */
const int NSWindowCollectionBehaviorFullScreenPrimary = 1 << 7;
const int NSWindowFullScreenButton = 7;
#endif
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 ];
}
#endif
[ 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 ];
[ this->window useOptimizedDrawing:YES ];
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, [ this->window frame ].size.height - 22 /* 22 is the height of title bar of window*/);
if (this->cocoaview != nil) {
height = contentRect.size.height;
[ this->cocoaview setFrameSize:contentRect.size ];
}
}
this->window_width = width;
this->window_height = height;
this->buffer_depth = bpp;
[ 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 ];
}
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);
free(this->window_buffer);
free(this->pixel_buffer);
}
void WindowQuartzSubdriver::Draw(bool force_update)
{
/* 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 convertBaseToScreen:*p ];
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) {
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
if ([ this->cocoaview respondsToSelector:@selector(convertRectFromScreen:) ]) {
pt = [ this->cocoaview convertPoint:[ [ this->cocoaview window ] convertRectFromScreen:NSMakeRect([ event locationInWindow ].x, [ event locationInWindow ].y, 0, 0) ].origin fromView:nil ];
}
else
#endif
{
pt = [ this->cocoaview convertPoint:[ [ this->cocoaview window ] convertScreenToBase:[ event locationInWindow ] ] 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 = newframe.size.width;
this->window_height = 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
QZ_GetCorrectColorSpace(), // 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, 4, 0)) {
DEBUG(driver, 0, "The cocoa quartz subdriver requires Mac OS X 10.4 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 /* MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 */
#endif /* ENABLE_COCOA_QUARTZ */
#endif /* WITH_COCOA */
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