2010-04-20 07:52:19 -07:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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// vim:set ts=2 sts=2 sw=2 et cin:
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2012-05-21 04:12:37 -07:00
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2010-04-20 07:52:19 -07:00
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2012-07-31 08:11:57 -07:00
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#include "QuartzSupport.h"
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2010-04-20 07:52:19 -07:00
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#include "nsDebug.h"
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2013-11-07 19:53:54 -08:00
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#include "MacIOSurface.h"
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2010-04-20 07:52:19 -07:00
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#import <QuartzCore/QuartzCore.h>
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2012-02-02 16:22:34 -08:00
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#import <AppKit/NSOpenGL.h>
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2010-04-20 07:52:19 -07:00
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#include <dlfcn.h>
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2013-07-17 20:24:14 -07:00
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#include "GLDefs.h"
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2010-04-20 07:52:19 -07:00
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#define IOSURFACE_FRAMEWORK_PATH \
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"/System/Library/Frameworks/IOSurface.framework/IOSurface"
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#define OPENGL_FRAMEWORK_PATH \
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"/System/Library/Frameworks/OpenGL.framework/OpenGL"
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2012-07-31 08:11:57 -07:00
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#define COREGRAPHICS_FRAMEWORK_PATH \
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"/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreGraphics.framework/CoreGraphics"
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2010-04-20 07:52:19 -07:00
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2012-10-02 12:48:05 -07:00
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@interface CALayer (ContentsScale)
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- (double)contentsScale;
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- (void)setContentsScale:(double)scale;
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@end
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2012-07-31 08:11:57 -07:00
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using mozilla::RefPtr;
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using mozilla::TemporaryRef;
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2010-04-20 07:52:19 -07:00
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CGColorSpaceRef CreateSystemColorSpace() {
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2013-10-07 14:03:19 -07:00
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CGColorSpaceRef cspace = ::CGDisplayCopyColorSpace(::CGMainDisplayID());
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if (!cspace) {
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cspace = ::CGColorSpaceCreateDeviceRGB();
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}
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return cspace;
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2010-04-20 07:52:19 -07:00
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}
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2012-07-31 08:11:57 -07:00
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nsCARenderer::~nsCARenderer() {
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Destroy();
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}
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2010-04-20 07:52:19 -07:00
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void cgdata_release_callback(void *aCGData, const void *data, size_t size) {
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if (aCGData) {
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free(aCGData);
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}
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}
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void nsCARenderer::Destroy() {
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if (mCARenderer) {
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CARenderer* caRenderer = (CARenderer*)mCARenderer;
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// Bug 556453:
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// Explicitly remove the layer from the renderer
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// otherwise it does not always happen right away.
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2012-07-30 07:20:58 -07:00
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caRenderer.layer = nullptr;
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2010-04-20 07:52:19 -07:00
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[caRenderer release];
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}
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2013-01-23 14:19:15 -08:00
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if (mWrapperCALayer) {
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CALayer* wrapperLayer = (CALayer*)mWrapperCALayer;
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[wrapperLayer release];
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}
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2010-04-20 07:52:19 -07:00
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if (mOpenGLContext) {
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if (mFBO || mIOTexture || mFBOTexture) {
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2010-04-20 07:52:19 -07:00
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// Release these resources with the context that allocated them
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CGLContextObj oldContext = ::CGLGetCurrentContext();
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::CGLSetCurrentContext(mOpenGLContext);
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2011-10-13 07:36:59 -07:00
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if (mFBOTexture) {
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::glDeleteTextures(1, &mFBOTexture);
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}
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2010-04-20 07:52:19 -07:00
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if (mIOTexture) {
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::glDeleteTextures(1, &mIOTexture);
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}
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if (mFBO) {
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::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
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::glDeleteFramebuffersEXT(1, &mFBO);
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}
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if (oldContext)
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::CGLSetCurrentContext(oldContext);
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}
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::CGLDestroyContext((CGLContextObj)mOpenGLContext);
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}
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if (mCGImage) {
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::CGImageRelease(mCGImage);
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}
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// mCGData is deallocated by cgdata_release_callback
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mCARenderer = nil;
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mWrapperCALayer = nil;
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2011-10-13 07:36:59 -07:00
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mFBOTexture = 0;
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2012-07-30 07:20:58 -07:00
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mOpenGLContext = nullptr;
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mCGImage = nullptr;
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mIOSurface = nullptr;
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2012-07-20 04:16:17 -07:00
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mFBO = 0;
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mIOTexture = 0;
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2010-04-20 07:52:19 -07:00
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}
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2011-10-20 13:32:38 -07:00
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nsresult nsCARenderer::SetupRenderer(void *aCALayer, int aWidth, int aHeight,
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2012-10-02 12:48:05 -07:00
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double aContentsScaleFactor,
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2011-10-20 13:32:38 -07:00
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AllowOfflineRendererEnum aAllowOfflineRenderer) {
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mAllowOfflineRenderer = aAllowOfflineRenderer;
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2012-10-02 12:48:05 -07:00
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if (aWidth == 0 || aHeight == 0 || aContentsScaleFactor <= 0)
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2010-05-20 12:22:37 -07:00
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return NS_ERROR_FAILURE;
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2011-10-13 07:36:59 -07:00
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if (aWidth == mUnsupportedWidth &&
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2010-08-01 16:15:25 -07:00
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aHeight == mUnsupportedHeight) {
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return NS_ERROR_FAILURE;
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}
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2010-04-20 07:52:19 -07:00
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CGLPixelFormatAttribute attributes[] = {
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kCGLPFAAccelerated,
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kCGLPFADepthSize, (CGLPixelFormatAttribute)24,
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2011-10-20 13:32:38 -07:00
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kCGLPFAAllowOfflineRenderers,
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2010-04-20 07:52:19 -07:00
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(CGLPixelFormatAttribute)0
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};
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2011-10-20 13:32:38 -07:00
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if (mAllowOfflineRenderer == DISALLOW_OFFLINE_RENDERER) {
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attributes[3] = (CGLPixelFormatAttribute)0;
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}
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2010-04-20 07:52:19 -07:00
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GLint screen;
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CGLPixelFormatObj format;
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if (::CGLChoosePixelFormat(attributes, &format, &screen) != kCGLNoError) {
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2010-08-01 16:15:25 -07:00
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mUnsupportedWidth = aWidth;
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mUnsupportedHeight = aHeight;
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2010-04-20 07:52:19 -07:00
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Destroy();
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return NS_ERROR_FAILURE;
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}
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2012-07-30 07:20:58 -07:00
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if (::CGLCreateContext(format, nullptr, &mOpenGLContext) != kCGLNoError) {
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2010-08-01 16:15:25 -07:00
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mUnsupportedWidth = aWidth;
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mUnsupportedHeight = aHeight;
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2010-04-20 07:52:19 -07:00
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Destroy();
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return NS_ERROR_FAILURE;
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}
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::CGLDestroyPixelFormat(format);
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2013-01-23 14:19:15 -08:00
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CARenderer* caRenderer = [[CARenderer rendererWithCGLContext:mOpenGLContext
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options:nil] retain];
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2010-04-20 07:52:19 -07:00
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if (caRenderer == nil) {
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2010-08-01 16:15:25 -07:00
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mUnsupportedWidth = aWidth;
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mUnsupportedHeight = aHeight;
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2010-04-20 07:52:19 -07:00
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Destroy();
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return NS_ERROR_FAILURE;
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}
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2013-01-23 14:19:15 -08:00
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CALayer* wrapperCALayer = [[CALayer layer] retain];
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if (wrapperCALayer == nil) {
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[caRenderer release];
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mUnsupportedWidth = aWidth;
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mUnsupportedHeight = aHeight;
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Destroy();
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return NS_ERROR_FAILURE;
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}
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2011-06-30 09:46:25 -07:00
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2013-01-23 14:19:15 -08:00
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mCARenderer = caRenderer;
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mWrapperCALayer = wrapperCALayer;
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caRenderer.layer = wrapperCALayer;
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[wrapperCALayer addSublayer:(CALayer*)aCALayer];
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2012-10-02 12:48:05 -07:00
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mContentsScaleFactor = aContentsScaleFactor;
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size_t intScaleFactor = ceil(mContentsScaleFactor);
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2011-11-15 14:36:06 -08:00
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SetBounds(aWidth, aHeight);
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2010-04-20 07:52:19 -07:00
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2011-10-13 07:36:59 -07:00
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// We target rendering to a CGImage if no shared IOSurface are given.
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2010-04-20 07:52:19 -07:00
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if (!mIOSurface) {
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2012-10-02 12:48:05 -07:00
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mCGData = malloc(aWidth*intScaleFactor*aHeight*4*intScaleFactor);
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2010-04-20 07:52:19 -07:00
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if (!mCGData) {
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2010-08-01 16:15:25 -07:00
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mUnsupportedWidth = aWidth;
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mUnsupportedHeight = aHeight;
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2010-04-20 07:52:19 -07:00
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Destroy();
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2012-04-05 15:36:40 -07:00
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return NS_ERROR_FAILURE;
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2010-04-20 07:52:19 -07:00
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}
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2012-10-02 12:48:05 -07:00
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memset(mCGData, 0, aWidth*intScaleFactor*aHeight*4*intScaleFactor);
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2010-04-20 07:52:19 -07:00
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2012-07-30 07:20:58 -07:00
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CGDataProviderRef dataProvider = nullptr;
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2010-04-20 07:52:19 -07:00
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dataProvider = ::CGDataProviderCreateWithData(mCGData,
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2012-10-02 12:48:05 -07:00
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mCGData, aHeight*intScaleFactor*aWidth*4*intScaleFactor,
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2010-04-20 07:52:19 -07:00
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cgdata_release_callback);
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if (!dataProvider) {
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2012-10-02 12:48:05 -07:00
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cgdata_release_callback(mCGData, mCGData,
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aHeight*intScaleFactor*aWidth*4*intScaleFactor);
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2010-08-01 16:15:25 -07:00
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mUnsupportedWidth = aWidth;
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mUnsupportedHeight = aHeight;
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2010-04-20 07:52:19 -07:00
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Destroy();
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return NS_ERROR_FAILURE;
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}
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CGColorSpaceRef colorSpace = CreateSystemColorSpace();
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2012-10-02 12:48:05 -07:00
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mCGImage = ::CGImageCreate(aWidth * intScaleFactor, aHeight * intScaleFactor,
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8, 32, aWidth * intScaleFactor * 4, colorSpace,
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2010-04-20 07:52:19 -07:00
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kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host,
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2012-08-14 11:06:12 -07:00
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dataProvider, nullptr, true, kCGRenderingIntentDefault);
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2010-04-20 07:52:19 -07:00
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::CGDataProviderRelease(dataProvider);
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2013-10-07 14:03:19 -07:00
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::CGColorSpaceRelease(colorSpace);
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2010-04-20 07:52:19 -07:00
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if (!mCGImage) {
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2010-08-01 16:15:25 -07:00
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mUnsupportedWidth = aWidth;
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mUnsupportedHeight = aHeight;
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2010-04-20 07:52:19 -07:00
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Destroy();
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return NS_ERROR_FAILURE;
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}
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2011-10-13 07:36:59 -07:00
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}
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CGLContextObj oldContext = ::CGLGetCurrentContext();
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::CGLSetCurrentContext(mOpenGLContext);
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2010-04-20 07:52:19 -07:00
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2011-10-13 07:36:59 -07:00
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if (mIOSurface) {
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2010-04-20 07:52:19 -07:00
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// Create the IOSurface mapped texture.
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::glGenTextures(1, &mIOTexture);
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::glBindTexture(GL_TEXTURE_RECTANGLE_ARB, mIOTexture);
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::glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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::glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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2012-07-31 08:11:57 -07:00
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MacIOSurfaceLib::CGLTexImageIOSurface2D(mOpenGLContext, GL_TEXTURE_RECTANGLE_ARB,
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2012-10-02 12:48:05 -07:00
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GL_RGBA, aWidth * intScaleFactor,
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aHeight * intScaleFactor,
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2011-10-13 07:36:59 -07:00
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GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
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2010-04-20 07:52:19 -07:00
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mIOSurface->mIOSurfacePtr, 0);
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::glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
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2011-10-13 07:36:59 -07:00
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} else {
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::glGenTextures(1, &mFBOTexture);
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::glBindTexture(GL_TEXTURE_RECTANGLE_ARB, mFBOTexture);
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::glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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::glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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::glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
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}
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2010-04-20 07:52:19 -07:00
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2011-10-13 07:36:59 -07:00
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// Create the fbo
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::glGenFramebuffersEXT(1, &mFBO);
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::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
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if (mIOSurface) {
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::glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
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2010-04-20 07:52:19 -07:00
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GL_TEXTURE_RECTANGLE_ARB, mIOTexture, 0);
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2011-10-13 07:36:59 -07:00
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} else {
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::glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
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GL_TEXTURE_RECTANGLE_ARB, mFBOTexture, 0);
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}
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2010-04-20 07:52:19 -07:00
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2011-10-13 07:36:59 -07:00
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// Make sure that the Framebuffer configuration is supported on the client machine
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GLenum fboStatus;
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fboStatus = ::glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
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if (fboStatus != GL_FRAMEBUFFER_COMPLETE_EXT) {
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NS_ERROR("FBO not supported");
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2010-04-20 07:52:19 -07:00
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if (oldContext)
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::CGLSetCurrentContext(oldContext);
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2011-10-13 07:36:59 -07:00
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mUnsupportedWidth = aWidth;
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mUnsupportedHeight = aHeight;
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Destroy();
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return NS_ERROR_FAILURE;
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2010-04-20 07:52:19 -07:00
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}
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2011-11-15 14:36:06 -08:00
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SetViewport(aWidth, aHeight);
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2010-04-20 07:52:19 -07:00
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GLenum result = ::glGetError();
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if (result != GL_NO_ERROR) {
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2010-06-17 13:28:38 -07:00
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NS_ERROR("Unexpected OpenGL Error");
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2010-08-01 16:15:25 -07:00
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mUnsupportedWidth = aWidth;
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mUnsupportedHeight = aHeight;
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2010-04-20 07:52:19 -07:00
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Destroy();
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if (oldContext)
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::CGLSetCurrentContext(oldContext);
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return NS_ERROR_FAILURE;
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}
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if (oldContext)
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::CGLSetCurrentContext(oldContext);
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return NS_OK;
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}
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2011-11-15 14:36:06 -08:00
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void nsCARenderer::SetBounds(int aWidth, int aHeight) {
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CARenderer* caRenderer = (CARenderer*)mCARenderer;
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2013-01-23 14:19:15 -08:00
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CALayer* wrapperLayer = (CALayer*)mWrapperCALayer;
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NSArray* sublayers = [wrapperLayer sublayers];
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CALayer* pluginLayer = (CALayer*) [sublayers objectAtIndex:0];
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2011-11-15 14:36:06 -08:00
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// Create a transaction and disable animations
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// to make the position update instant.
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[CATransaction begin];
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2013-01-23 14:19:15 -08:00
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NSMutableDictionary *newActions =
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|
|
[[NSMutableDictionary alloc] initWithObjectsAndKeys:
|
|
|
|
[NSNull null], @"onOrderIn",
|
|
|
|
[NSNull null], @"onOrderOut",
|
|
|
|
[NSNull null], @"sublayers",
|
|
|
|
[NSNull null], @"contents",
|
|
|
|
[NSNull null], @"position",
|
|
|
|
[NSNull null], @"bounds",
|
|
|
|
nil];
|
|
|
|
wrapperLayer.actions = newActions;
|
2011-11-15 14:36:06 -08:00
|
|
|
[newActions release];
|
|
|
|
|
2012-10-02 12:48:05 -07:00
|
|
|
// If we're in HiDPI mode, mContentsScaleFactor will (presumably) be 2.0.
|
|
|
|
// For some reason, to make things work properly in HiDPI mode we need to
|
|
|
|
// make caRenderer's 'bounds' and 'layer' different sizes -- to set 'bounds'
|
2013-01-23 14:19:15 -08:00
|
|
|
// to the size of 'layer's backing store. And to avoid this possibly
|
|
|
|
// confusing the plugin, we need to hide it's effects from the plugin by
|
|
|
|
// making pluginLayer (usually the CALayer* provided by the plugin) a
|
|
|
|
// sublayer of our own wrapperLayer (see bug 829284).
|
2012-10-02 12:48:05 -07:00
|
|
|
size_t intScaleFactor = ceil(mContentsScaleFactor);
|
2011-11-15 14:36:06 -08:00
|
|
|
[CATransaction setValue: [NSNumber numberWithFloat:0.0f] forKey: kCATransactionAnimationDuration];
|
|
|
|
[CATransaction setValue: (id) kCFBooleanTrue forKey: kCATransactionDisableActions];
|
2013-01-23 14:19:15 -08:00
|
|
|
[wrapperLayer setBounds:CGRectMake(0, 0, aWidth, aHeight)];
|
|
|
|
[wrapperLayer setPosition:CGPointMake(aWidth/2.0, aHeight/2.0)];
|
|
|
|
[pluginLayer setBounds:CGRectMake(0, 0, aWidth, aHeight)];
|
|
|
|
[pluginLayer setFrame:CGRectMake(0, 0, aWidth, aHeight)];
|
2012-10-02 12:48:05 -07:00
|
|
|
caRenderer.bounds = CGRectMake(0, 0, aWidth * intScaleFactor, aHeight * intScaleFactor);
|
|
|
|
if (mContentsScaleFactor != 1.0) {
|
2013-01-23 14:19:15 -08:00
|
|
|
CGAffineTransform affineTransform = [wrapperLayer affineTransform];
|
2012-10-02 12:48:05 -07:00
|
|
|
affineTransform.a = mContentsScaleFactor;
|
|
|
|
affineTransform.d = mContentsScaleFactor;
|
|
|
|
affineTransform.tx = ((double)aWidth)/mContentsScaleFactor;
|
|
|
|
affineTransform.ty = ((double)aHeight)/mContentsScaleFactor;
|
2013-01-23 14:19:15 -08:00
|
|
|
[wrapperLayer setAffineTransform:affineTransform];
|
2012-10-16 12:41:21 -07:00
|
|
|
} else {
|
|
|
|
// These settings are the default values. But they might have been
|
|
|
|
// changed as above if we were previously running in a HiDPI mode
|
|
|
|
// (i.e. if we just switched from that to a non-HiDPI mode).
|
2013-01-23 14:19:15 -08:00
|
|
|
[wrapperLayer setAffineTransform:CGAffineTransformIdentity];
|
2012-10-02 12:48:05 -07:00
|
|
|
}
|
2011-11-15 14:36:06 -08:00
|
|
|
[CATransaction commit];
|
|
|
|
}
|
|
|
|
|
|
|
|
void nsCARenderer::SetViewport(int aWidth, int aHeight) {
|
2012-10-02 12:48:05 -07:00
|
|
|
size_t intScaleFactor = ceil(mContentsScaleFactor);
|
|
|
|
aWidth *= intScaleFactor;
|
|
|
|
aHeight *= intScaleFactor;
|
|
|
|
|
2011-11-15 14:36:06 -08:00
|
|
|
::glViewport(0.0, 0.0, aWidth, aHeight);
|
|
|
|
::glMatrixMode(GL_PROJECTION);
|
|
|
|
::glLoadIdentity();
|
|
|
|
::glOrtho (0.0, aWidth, 0.0, aHeight, -1, 1);
|
|
|
|
|
|
|
|
// Render upside down to speed up CGContextDrawImage
|
|
|
|
::glTranslatef(0.0f, aHeight, 0.0);
|
|
|
|
::glScalef(1.0, -1.0, 1.0);
|
|
|
|
}
|
|
|
|
|
2012-07-31 08:11:57 -07:00
|
|
|
void nsCARenderer::AttachIOSurface(RefPtr<MacIOSurface> aSurface) {
|
2011-11-15 14:36:06 -08:00
|
|
|
if (mIOSurface &&
|
2010-04-20 07:52:19 -07:00
|
|
|
aSurface->GetIOSurfaceID() == mIOSurface->GetIOSurfaceID()) {
|
2011-07-12 07:31:18 -07:00
|
|
|
// This object isn't needed since we already have a
|
|
|
|
// handle to the same io surface.
|
2012-07-30 07:20:58 -07:00
|
|
|
aSurface = nullptr;
|
2010-04-20 07:52:19 -07:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
mIOSurface = aSurface;
|
2011-11-15 14:36:06 -08:00
|
|
|
|
|
|
|
// Update the framebuffer and viewport
|
|
|
|
if (mCARenderer) {
|
|
|
|
CARenderer* caRenderer = (CARenderer*)mCARenderer;
|
2012-10-02 12:48:05 -07:00
|
|
|
size_t intScaleFactor = ceil(mContentsScaleFactor);
|
|
|
|
int width = caRenderer.bounds.size.width / intScaleFactor;
|
|
|
|
int height = caRenderer.bounds.size.height / intScaleFactor;
|
2011-11-15 14:36:06 -08:00
|
|
|
|
|
|
|
CGLContextObj oldContext = ::CGLGetCurrentContext();
|
|
|
|
::CGLSetCurrentContext(mOpenGLContext);
|
|
|
|
::glBindTexture(GL_TEXTURE_RECTANGLE_ARB, mIOTexture);
|
2012-07-31 08:11:57 -07:00
|
|
|
MacIOSurfaceLib::CGLTexImageIOSurface2D(mOpenGLContext, GL_TEXTURE_RECTANGLE_ARB,
|
2013-04-24 15:31:12 -07:00
|
|
|
GL_RGBA, mIOSurface->GetDevicePixelWidth(),
|
|
|
|
mIOSurface->GetDevicePixelHeight(),
|
2011-11-15 14:36:06 -08:00
|
|
|
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
|
|
|
|
mIOSurface->mIOSurfacePtr, 0);
|
|
|
|
::glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
|
|
|
|
|
|
|
|
// Rebind the FBO to make it live
|
|
|
|
::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO);
|
|
|
|
|
2013-10-08 22:42:26 -07:00
|
|
|
if (static_cast<int>(mIOSurface->GetWidth()) != width ||
|
|
|
|
static_cast<int>(mIOSurface->GetHeight()) != height) {
|
2011-11-15 14:36:06 -08:00
|
|
|
width = mIOSurface->GetWidth();
|
|
|
|
height = mIOSurface->GetHeight();
|
|
|
|
SetBounds(width, height);
|
|
|
|
SetViewport(width, height);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (oldContext) {
|
|
|
|
::CGLSetCurrentContext(oldContext);
|
|
|
|
}
|
|
|
|
}
|
2010-04-20 07:52:19 -07:00
|
|
|
}
|
|
|
|
|
2011-07-12 07:31:18 -07:00
|
|
|
IOSurfaceID nsCARenderer::GetIOSurfaceID() {
|
|
|
|
if (!mIOSurface) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return mIOSurface->GetIOSurfaceID();
|
|
|
|
}
|
|
|
|
|
2010-04-20 07:52:19 -07:00
|
|
|
nsresult nsCARenderer::Render(int aWidth, int aHeight,
|
2012-10-02 12:48:05 -07:00
|
|
|
double aContentsScaleFactor,
|
2010-04-20 07:52:19 -07:00
|
|
|
CGImageRef *aOutCGImage) {
|
2010-05-20 12:22:37 -07:00
|
|
|
if (!aOutCGImage && !mIOSurface) {
|
|
|
|
NS_ERROR("No target destination for rendering");
|
2010-04-20 07:52:19 -07:00
|
|
|
} else if (aOutCGImage) {
|
|
|
|
// We are expected to return a CGImageRef, we will set
|
2012-08-14 11:06:12 -07:00
|
|
|
// it to nullptr in case we fail before the image is ready.
|
|
|
|
*aOutCGImage = nullptr;
|
2010-04-20 07:52:19 -07:00
|
|
|
}
|
|
|
|
|
2012-10-02 12:48:05 -07:00
|
|
|
if (aWidth == 0 || aHeight == 0 || aContentsScaleFactor <= 0)
|
2010-04-20 07:52:19 -07:00
|
|
|
return NS_OK;
|
|
|
|
|
2013-01-23 14:19:15 -08:00
|
|
|
if (!mCARenderer || !mWrapperCALayer) {
|
2010-04-20 07:52:19 -07:00
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
CARenderer* caRenderer = (CARenderer*)mCARenderer;
|
2013-01-23 14:19:15 -08:00
|
|
|
CALayer* wrapperLayer = (CALayer*)mWrapperCALayer;
|
2012-10-02 12:48:05 -07:00
|
|
|
size_t intScaleFactor = ceil(aContentsScaleFactor);
|
|
|
|
int renderer_width = caRenderer.bounds.size.width / intScaleFactor;
|
|
|
|
int renderer_height = caRenderer.bounds.size.height / intScaleFactor;
|
2010-04-20 07:52:19 -07:00
|
|
|
|
2012-10-16 12:41:21 -07:00
|
|
|
if (renderer_width != aWidth || renderer_height != aHeight ||
|
|
|
|
mContentsScaleFactor != aContentsScaleFactor) {
|
2010-04-20 07:52:19 -07:00
|
|
|
// XXX: This should be optimized to not rescale the buffer
|
|
|
|
// if we are resizing down.
|
2013-01-23 14:19:15 -08:00
|
|
|
// caLayer may be the CALayer* provided by the plugin, so we need to
|
|
|
|
// preserve it across the call to Destroy().
|
|
|
|
NSArray* sublayers = [wrapperLayer sublayers];
|
|
|
|
CALayer* caLayer = (CALayer*) [sublayers objectAtIndex:0];
|
2012-10-16 12:41:21 -07:00
|
|
|
// mIOSurface is set by AttachIOSurface(), not by SetupRenderer(). So
|
|
|
|
// since it may have been set by a prior call to AttachIOSurface(), we
|
|
|
|
// need to preserve it across the call to Destroy().
|
|
|
|
mozilla::RefPtr<MacIOSurface> ioSurface = mIOSurface;
|
2010-04-20 07:52:19 -07:00
|
|
|
Destroy();
|
2012-10-16 12:41:21 -07:00
|
|
|
mIOSurface = ioSurface;
|
2012-10-02 12:48:05 -07:00
|
|
|
if (SetupRenderer(caLayer, aWidth, aHeight, aContentsScaleFactor,
|
2011-10-20 13:32:38 -07:00
|
|
|
mAllowOfflineRenderer) != NS_OK) {
|
2010-04-20 07:52:19 -07:00
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
2010-08-01 16:15:25 -07:00
|
|
|
|
2010-04-20 07:52:19 -07:00
|
|
|
caRenderer = (CARenderer*)mCARenderer;
|
|
|
|
}
|
|
|
|
|
|
|
|
CGLContextObj oldContext = ::CGLGetCurrentContext();
|
|
|
|
::CGLSetCurrentContext(mOpenGLContext);
|
|
|
|
if (!mIOSurface) {
|
2011-10-13 07:36:59 -07:00
|
|
|
// If no shared IOSurface is given render to our own
|
|
|
|
// texture for readback.
|
|
|
|
::glGenTextures(1, &mFBOTexture);
|
2010-04-20 07:52:19 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
GLenum result = ::glGetError();
|
|
|
|
if (result != GL_NO_ERROR) {
|
2010-06-17 13:28:38 -07:00
|
|
|
NS_ERROR("Unexpected OpenGL Error");
|
2010-04-20 07:52:19 -07:00
|
|
|
Destroy();
|
|
|
|
if (oldContext)
|
|
|
|
::CGLSetCurrentContext(oldContext);
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
::glClearColor(0.0, 0.0, 0.0, 0.0);
|
|
|
|
::glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
|
2011-06-30 09:46:25 -07:00
|
|
|
[CATransaction commit];
|
2010-04-20 07:52:19 -07:00
|
|
|
double caTime = ::CACurrentMediaTime();
|
2012-08-14 11:06:12 -07:00
|
|
|
[caRenderer beginFrameAtTime:caTime timeStamp:nullptr];
|
2012-10-02 12:48:05 -07:00
|
|
|
[caRenderer addUpdateRect:CGRectMake(0,0, aWidth * intScaleFactor,
|
|
|
|
aHeight * intScaleFactor)];
|
2010-04-20 07:52:19 -07:00
|
|
|
[caRenderer render];
|
|
|
|
[caRenderer endFrame];
|
|
|
|
|
|
|
|
// Read the data back either to the IOSurface or mCGImage.
|
|
|
|
if (mIOSurface) {
|
|
|
|
::glFlush();
|
|
|
|
} else {
|
|
|
|
::glPixelStorei(GL_PACK_ALIGNMENT, 4);
|
|
|
|
::glPixelStorei(GL_PACK_ROW_LENGTH, 0);
|
|
|
|
::glPixelStorei(GL_PACK_SKIP_ROWS, 0);
|
|
|
|
::glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
|
|
|
|
|
2012-10-02 12:48:05 -07:00
|
|
|
::glReadPixels(0.0f, 0.0f, aWidth * intScaleFactor,
|
|
|
|
aHeight * intScaleFactor,
|
2010-04-20 07:52:19 -07:00
|
|
|
GL_BGRA, GL_UNSIGNED_BYTE,
|
|
|
|
mCGData);
|
|
|
|
|
|
|
|
*aOutCGImage = mCGImage;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (oldContext) {
|
|
|
|
::CGLSetCurrentContext(oldContext);
|
|
|
|
}
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsresult nsCARenderer::DrawSurfaceToCGContext(CGContextRef aContext,
|
2012-07-31 08:11:57 -07:00
|
|
|
MacIOSurface *surf,
|
2010-04-20 07:52:19 -07:00
|
|
|
CGColorSpaceRef aColorSpace,
|
|
|
|
int aX, int aY,
|
2011-06-24 07:49:42 -07:00
|
|
|
size_t aWidth, size_t aHeight) {
|
2010-04-20 07:52:19 -07:00
|
|
|
surf->Lock();
|
|
|
|
size_t bytesPerRow = surf->GetBytesPerRow();
|
|
|
|
size_t ioWidth = surf->GetWidth();
|
|
|
|
size_t ioHeight = surf->GetHeight();
|
|
|
|
|
2010-06-08 21:12:06 -07:00
|
|
|
// We get rendering glitches if we use a width/height that falls
|
|
|
|
// outside of the IOSurface.
|
2011-06-24 07:49:42 -07:00
|
|
|
if (aWidth + aX > ioWidth)
|
2010-06-08 21:12:06 -07:00
|
|
|
aWidth = ioWidth - aX;
|
2011-06-24 07:49:42 -07:00
|
|
|
if (aHeight + aY > ioHeight)
|
2010-06-08 21:12:06 -07:00
|
|
|
aHeight = ioHeight - aY;
|
|
|
|
|
2013-04-04 18:20:44 -07:00
|
|
|
if (aX < 0 || static_cast<size_t>(aX) >= ioWidth ||
|
|
|
|
aY < 0 || static_cast<size_t>(aY) >= ioHeight) {
|
2012-01-10 06:47:52 -08:00
|
|
|
surf->Unlock();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
void* ioData = surf->GetBaseAddress();
|
2012-10-02 12:48:05 -07:00
|
|
|
double scaleFactor = surf->GetContentsScaleFactor();
|
|
|
|
size_t intScaleFactor = ceil(surf->GetContentsScaleFactor());
|
2012-01-10 06:47:52 -08:00
|
|
|
CGDataProviderRef dataProvider = ::CGDataProviderCreateWithData(ioData,
|
2012-10-02 12:48:05 -07:00
|
|
|
ioData, ioHeight*intScaleFactor*(bytesPerRow)*4,
|
2012-08-14 11:06:12 -07:00
|
|
|
nullptr); //No release callback
|
2012-01-10 06:47:52 -08:00
|
|
|
if (!dataProvider) {
|
|
|
|
surf->Unlock();
|
2011-06-24 07:49:42 -07:00
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
2012-10-02 12:48:05 -07:00
|
|
|
CGImageRef cgImage = ::CGImageCreate(ioWidth * intScaleFactor,
|
|
|
|
ioHeight * intScaleFactor, 8, 32, bytesPerRow, aColorSpace,
|
|
|
|
kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host,
|
2012-08-14 11:06:12 -07:00
|
|
|
dataProvider, nullptr, true, kCGRenderingIntentDefault);
|
2010-04-20 07:52:19 -07:00
|
|
|
::CGDataProviderRelease(dataProvider);
|
|
|
|
if (!cgImage) {
|
|
|
|
surf->Unlock();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
CGImageRef subImage = ::CGImageCreateWithImageInRect(cgImage,
|
2012-10-02 12:48:05 -07:00
|
|
|
::CGRectMake(aX * scaleFactor,
|
|
|
|
aY * scaleFactor,
|
|
|
|
aWidth * scaleFactor,
|
|
|
|
aHeight * scaleFactor));
|
2010-04-20 07:52:19 -07:00
|
|
|
if (!subImage) {
|
|
|
|
::CGImageRelease(cgImage);
|
|
|
|
surf->Unlock();
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
::CGContextScaleCTM(aContext, 1.0f, -1.0f);
|
2011-06-24 07:49:42 -07:00
|
|
|
::CGContextDrawImage(aContext,
|
2012-10-02 12:48:05 -07:00
|
|
|
CGRectMake(aX * scaleFactor,
|
|
|
|
(-(CGFloat)aY - (CGFloat)aHeight) * scaleFactor,
|
|
|
|
aWidth * scaleFactor,
|
|
|
|
aHeight * scaleFactor),
|
2011-06-24 07:49:42 -07:00
|
|
|
subImage);
|
2010-04-20 07:52:19 -07:00
|
|
|
|
|
|
|
::CGImageRelease(subImage);
|
|
|
|
::CGImageRelease(cgImage);
|
|
|
|
surf->Unlock();
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2013-01-23 14:19:15 -08:00
|
|
|
void nsCARenderer::DetachCALayer() {
|
|
|
|
CALayer* wrapperLayer = (CALayer*)mWrapperCALayer;
|
|
|
|
NSArray* sublayers = [wrapperLayer sublayers];
|
|
|
|
CALayer* oldLayer = (CALayer*) [sublayers objectAtIndex:0];
|
|
|
|
[oldLayer removeFromSuperlayer];
|
2011-07-12 07:31:18 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
void nsCARenderer::AttachCALayer(void *aCALayer) {
|
2013-01-23 14:19:15 -08:00
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CALayer* wrapperLayer = (CALayer*)mWrapperCALayer;
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NSArray* sublayers = [wrapperLayer sublayers];
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CALayer* oldLayer = (CALayer*) [sublayers objectAtIndex:0];
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[oldLayer removeFromSuperlayer];
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[wrapperLayer addSublayer:(CALayer*)aCALayer];
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2011-07-12 07:31:18 -07:00
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}
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2011-06-30 09:46:25 -07:00
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#ifdef DEBUG
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int sSaveToDiskSequence = 0;
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2012-07-31 08:11:57 -07:00
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void nsCARenderer::SaveToDisk(MacIOSurface *surf) {
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2011-06-30 09:46:25 -07:00
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surf->Lock();
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size_t bytesPerRow = surf->GetBytesPerRow();
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size_t ioWidth = surf->GetWidth();
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size_t ioHeight = surf->GetHeight();
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void* ioData = surf->GetBaseAddress();
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CGDataProviderRef dataProvider = ::CGDataProviderCreateWithData(ioData,
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ioData, ioHeight*(bytesPerRow)*4,
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2012-08-14 11:06:12 -07:00
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nullptr); //No release callback
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2011-06-30 09:46:25 -07:00
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if (!dataProvider) {
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surf->Unlock();
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return;
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}
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2012-01-10 06:47:52 -08:00
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CGColorSpaceRef colorSpace = CreateSystemColorSpace();
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2011-06-30 09:46:25 -07:00
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CGImageRef cgImage = ::CGImageCreate(ioWidth, ioHeight, 8, 32, bytesPerRow,
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2012-01-10 06:47:52 -08:00
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colorSpace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host,
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2012-08-14 11:06:12 -07:00
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dataProvider, nullptr, true, kCGRenderingIntentDefault);
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2011-06-30 09:46:25 -07:00
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::CGDataProviderRelease(dataProvider);
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2012-01-10 06:47:52 -08:00
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::CGColorSpaceRelease(colorSpace);
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2011-06-30 09:46:25 -07:00
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if (!cgImage) {
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surf->Unlock();
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return;
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}
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char cstr[1000];
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sprintf(cstr, "file:///Users/benoitgirard/debug/iosurface_%i.png", ++sSaveToDiskSequence);
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CFStringRef cfStr = ::CFStringCreateWithCString(kCFAllocatorDefault, cstr, kCFStringEncodingMacRoman);
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printf("Exporting: %s\n", cstr);
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2012-08-14 11:06:12 -07:00
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CFURLRef url = ::CFURLCreateWithString( nullptr, cfStr, nullptr);
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2012-01-10 06:47:52 -08:00
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::CFRelease(cfStr);
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2011-06-30 09:46:25 -07:00
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CFStringRef type = kUTTypePNG;
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2011-11-15 14:36:06 -08:00
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size_t count = 1;
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2012-08-14 11:06:12 -07:00
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CFDictionaryRef options = nullptr;
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2011-06-30 09:46:25 -07:00
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CGImageDestinationRef dest = ::CGImageDestinationCreateWithURL(url, type, count, options);
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2012-01-10 06:47:52 -08:00
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::CFRelease(url);
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2011-06-30 09:46:25 -07:00
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2012-08-14 11:06:12 -07:00
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::CGImageDestinationAddImage(dest, cgImage, nullptr);
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2011-06-30 09:46:25 -07:00
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::CGImageDestinationFinalize(dest);
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::CFRelease(dest);
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2012-01-10 06:47:52 -08:00
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::CGImageRelease(cgImage);
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2011-06-30 09:46:25 -07:00
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surf->Unlock();
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return;
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}
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#endif
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