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Diffstat (limited to 'WebKitTools/DumpRenderTree/mac/PixelDumpSupportMac.mm')
| -rw-r--r-- | WebKitTools/DumpRenderTree/mac/PixelDumpSupportMac.mm | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/WebKitTools/DumpRenderTree/mac/PixelDumpSupportMac.mm b/WebKitTools/DumpRenderTree/mac/PixelDumpSupportMac.mm new file mode 100644 index 0000000..d17c111 --- /dev/null +++ b/WebKitTools/DumpRenderTree/mac/PixelDumpSupportMac.mm @@ -0,0 +1,246 @@ +/* + * Copyright (C) 2005, 2006, 2007 Apple Inc. All rights reserved. + * (C) 2007 Graham Dennis (graham.dennis@gmail.com) + * (C) 2007 Eric Seidel <eric@webkit.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "DumpRenderTree.h" +#include "PixelDumpSupport.h" +#include "PixelDumpSupportCG.h" + +#include "LayoutTestController.h" +#include <CoreGraphics/CGBitmapContext.h> +#ifndef BUILDING_ON_LEOPARD +#include <OpenGL/OpenGL.h> +#include <OpenGL/CGLMacro.h> +#endif +#include <wtf/Assertions.h> +#include <wtf/RefPtr.h> + +#import <WebKit/WebDocumentPrivate.h> +#import <WebKit/WebHTMLViewPrivate.h> +#import <WebKit/WebKit.h> +#import <WebKit/WebViewPrivate.h> + +// To ensure pixel tests consistency, we need to always render in the same colorspace. +// Unfortunately, because of AppKit / WebKit constraints, we can't render directly in the colorspace of our choice. +// This implies we have to temporarily change the profile of the main display to the colorspace we want to render into. +// We also need to make sure the CGBitmapContext we return is in that same colorspace. + +#define PROFILE_PATH "/System/Library/ColorSync/Profiles/Generic RGB Profile.icc" // FIXME: This cannot be more than CS_MAX_PATH (256 characters) + +static CMProfileLocation sInitialProfileLocation; // The locType field is initialized to 0 which is the same as cmNoProfileBase + +void restoreMainDisplayColorProfile(int ignored) +{ + // This is used as a signal handler, and thus the calls into ColorSync are unsafe + // But we might as well try to restore the user's color profile, we're going down anyway... + if (sInitialProfileLocation.locType != cmNoProfileBase) { + const CMDeviceScope scope = { kCFPreferencesCurrentUser, kCFPreferencesCurrentHost }; + int error = CMSetDeviceProfile(cmDisplayDeviceClass, (CMDeviceID)kCGDirectMainDisplay, &scope, cmDefaultProfileID, &sInitialProfileLocation); + if (error) + fprintf(stderr, "Failed to restore initial color profile for main display! Open System Preferences > Displays > Color and manually re-select the profile. (Error: %i)", error); + sInitialProfileLocation.locType = cmNoProfileBase; + } +} + +void setupMainDisplayColorProfile() +{ + const CMDeviceScope scope = { kCFPreferencesCurrentUser, kCFPreferencesCurrentHost }; + int error; + + CMProfileRef profile = 0; + error = CMGetProfileByAVID((CMDisplayIDType)kCGDirectMainDisplay, &profile); + if (!error) { + UInt32 size = sizeof(CMProfileLocation); + error = NCMGetProfileLocation(profile, &sInitialProfileLocation, &size); + CMCloseProfile(profile); + } + if (error) { + fprintf(stderr, "Failed to retrieve current color profile for main display, thus it won't be changed. Many pixel tests may fail as a result. (Error: %i)", error); + sInitialProfileLocation.locType = cmNoProfileBase; + return; + } + + CMProfileLocation location; + location.locType = cmPathBasedProfile; + strcpy(location.u.pathLoc.path, PROFILE_PATH); + error = CMSetDeviceProfile(cmDisplayDeviceClass, (CMDeviceID)kCGDirectMainDisplay, &scope, cmDefaultProfileID, &location); + if (error) { + fprintf(stderr, "Failed to set color profile for main display! Many pixel tests may fail as a result. (Error: %i)", error); + sInitialProfileLocation.locType = cmNoProfileBase; + return; + } + + // Other signals are handled in installSignalHandlers() which also calls restoreMainDisplayColorProfile() + signal(SIGINT, restoreMainDisplayColorProfile); + signal(SIGHUP, restoreMainDisplayColorProfile); + signal(SIGTERM, restoreMainDisplayColorProfile); +} + +PassRefPtr<BitmapContext> createBitmapContextFromWebView(bool onscreen, bool incrementalRepaint, bool sweepHorizontally, bool drawSelectionRect) +{ + WebView* view = [mainFrame webView]; + + // If the WebHTMLView uses accelerated compositing, we need for force the on-screen capture path + // and also force Core Animation to start its animations with -display since the DRT window has autodisplay disabled. + if ([view _isUsingAcceleratedCompositing]) + onscreen = YES; + + NSSize webViewSize = [view frame].size; + size_t pixelsWide = static_cast<size_t>(webViewSize.width); + size_t pixelsHigh = static_cast<size_t>(webViewSize.height); + size_t rowBytes = (4 * pixelsWide + 63) & ~63; // Use a multiple of 64 bytes to improve CG performance + + void *buffer = calloc(pixelsHigh, rowBytes); + if (!buffer) + return 0; + + static CGColorSpaceRef colorSpace = 0; + if (!colorSpace) { + CMProfileLocation location; + location.locType = cmPathBasedProfile; + strcpy(location.u.pathLoc.path, PROFILE_PATH); + CMProfileRef profile; + if (CMOpenProfile(&profile, &location) == noErr) { + colorSpace = CGColorSpaceCreateWithPlatformColorSpace(profile); + CMCloseProfile(profile); + } + } + + CGContextRef context = CGBitmapContextCreate(buffer, pixelsWide, pixelsHigh, 8, rowBytes, colorSpace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host); // Use ARGB8 on PPC or BGRA8 on X86 to improve CG performance + if (!context) { + free(buffer); + return 0; + } + + // The BitmapContext keeps the CGContextRef and the pixel buffer alive + RefPtr<BitmapContext> bitmapContext = BitmapContext::createByAdoptingBitmapAndContext(buffer, context); + + NSGraphicsContext *nsContext = [NSGraphicsContext graphicsContextWithGraphicsPort:context flipped:NO]; + ASSERT(nsContext); + + if (incrementalRepaint) { + if (sweepHorizontally) { + for (NSRect column = NSMakeRect(0, 0, 1, webViewSize.height); column.origin.x < webViewSize.width; column.origin.x++) + [view displayRectIgnoringOpacity:column inContext:nsContext]; + } else { + for (NSRect line = NSMakeRect(0, 0, webViewSize.width, 1); line.origin.y < webViewSize.height; line.origin.y++) + [view displayRectIgnoringOpacity:line inContext:nsContext]; + } + } else { + if (onscreen) { +#ifdef BUILDING_ON_LEOPARD + // Ask the window server to provide us a composited version of the *real* window content including surfaces (i.e. OpenGL content) + // Note that the returned image might differ very slightly from the window backing because of dithering artifacts in the window server compositor + + CGImageRef image = CGWindowListCreateImage(CGRectNull, kCGWindowListOptionIncludingWindow, [[view window] windowNumber], kCGWindowImageBoundsIgnoreFraming | kCGWindowImageShouldBeOpaque); + CGContextDrawImage(context, CGRectMake(0, 0, CGImageGetWidth(image), CGImageGetHeight(image)), image); + CGImageRelease(image); +#else + // On 10.4 and earlier, we have to move the window temporarily "onscreen" and read directly from the display framebuffer using OpenGL + // In this code path, we need to ensure the window is above any other window or captured result will be corrupted + + NSWindow *window = [view window]; + int oldLevel = [window level]; + NSRect oldFrame = [window frame]; + + NSRect newFrame = [[[NSScreen screens] objectAtIndex:0] frame]; + newFrame = NSMakeRect(newFrame.origin.x + (newFrame.size.width - oldFrame.size.width) / 2, newFrame.origin.y + (newFrame.size.height - oldFrame.size.height) / 2, oldFrame.size.width, oldFrame.size.height); + [window setLevel:NSScreenSaverWindowLevel]; + [window setFrame:newFrame display:NO animate:NO]; + + CGRect rect = CGRectMake(newFrame.origin.x, newFrame.origin.y, webViewSize.width, webViewSize.height); + CGDirectDisplayID displayID; + CGDisplayCount count; + if (CGGetDisplaysWithRect(rect, 1, &displayID, &count) == kCGErrorSuccess) { + CGRect bounds = CGDisplayBounds(displayID); + rect.origin.x -= bounds.origin.x; + rect.origin.y -= bounds.origin.y; + + CGLPixelFormatAttribute attributes[] = {kCGLPFAAccelerated, kCGLPFANoRecovery, kCGLPFAFullScreen, kCGLPFADisplayMask, (CGLPixelFormatAttribute)CGDisplayIDToOpenGLDisplayMask(displayID), (CGLPixelFormatAttribute)0}; + CGLPixelFormatObj pixelFormat; + GLint num; + if (CGLChoosePixelFormat(attributes, &pixelFormat, &num) == kCGLNoError) { + CGLContextObj cgl_ctx; + if (CGLCreateContext(pixelFormat, 0, &cgl_ctx) == kCGLNoError) { + if (CGLSetFullScreen(cgl_ctx) == kCGLNoError) { + void *flipBuffer = calloc(pixelsHigh, rowBytes); + if (flipBuffer) { + glPixelStorei(GL_PACK_ROW_LENGTH, rowBytes / 4); + glPixelStorei(GL_PACK_ALIGNMENT, 4); +#if __BIG_ENDIAN__ + glReadPixels(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, flipBuffer); +#else + glReadPixels(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, flipBuffer); +#endif + if (!glGetError()) { + for(size_t i = 0; i < pixelsHigh; ++i) + bcopy((char*)flipBuffer + rowBytes * i, (char*)buffer + rowBytes * (pixelsHigh - i - 1), pixelsWide * 4); + } + + free(flipBuffer); + } + } + CGLDestroyContext(cgl_ctx); + } + CGLDestroyPixelFormat(pixelFormat); + } + } + + [window setFrame:oldFrame display:NO animate:NO]; + [window setLevel:oldLevel]; +#endif + } else { + // Grab directly the contents of the window backing buffer (this ignores any surfaces on the window) + // FIXME: This path is suboptimal: data is read from window backing store, converted to RGB8 then drawn again into an RGBA8 bitmap + + [view displayIfNeeded]; + [view lockFocus]; + NSBitmapImageRep *imageRep = [[[NSBitmapImageRep alloc] initWithFocusedViewRect:[view frame]] autorelease]; + [view unlockFocus]; + + RetainPtr<NSGraphicsContext> savedContext = [NSGraphicsContext currentContext]; + [NSGraphicsContext setCurrentContext:nsContext]; + [imageRep draw]; + [NSGraphicsContext setCurrentContext:savedContext.get()]; + } + } + + if (drawSelectionRect) { + NSView *documentView = [[mainFrame frameView] documentView]; + ASSERT([documentView conformsToProtocol:@protocol(WebDocumentSelection)]); + NSRect rect = [documentView convertRect:[(id <WebDocumentSelection>)documentView selectionRect] fromView:nil]; + CGContextSaveGState(context); + CGContextSetLineWidth(context, 1.0); + CGContextSetRGBStrokeColor(context, 1.0, 0.0, 0.0, 1.0); + CGContextStrokeRect(context, CGRectMake(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height)); + CGContextRestoreGState(context); + } + + return bitmapContext.release(); +} |