summaryrefslogtreecommitdiffstats
path: root/gfx/thebes/gfxXlibSurface.h
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/thebes/gfxXlibSurface.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/thebes/gfxXlibSurface.h')
-rw-r--r--gfx/thebes/gfxXlibSurface.h122
1 files changed, 122 insertions, 0 deletions
diff --git a/gfx/thebes/gfxXlibSurface.h b/gfx/thebes/gfxXlibSurface.h
new file mode 100644
index 000000000..499bc5e96
--- /dev/null
+++ b/gfx/thebes/gfxXlibSurface.h
@@ -0,0 +1,122 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GFX_XLIBSURFACE_H
+#define GFX_XLIBSURFACE_H
+
+#include "gfxASurface.h"
+
+#include <X11/extensions/Xrender.h>
+#include <X11/Xlib.h>
+#include "X11UndefineNone.h"
+
+#if defined(GL_PROVIDER_GLX)
+#include "GLXLibrary.h"
+#endif
+
+#include "nsSize.h"
+
+// Although the dimension parameters in the xCreatePixmapReq wire protocol are
+// 16-bit unsigned integers, the server's CreatePixmap returns BadAlloc if
+// either dimension cannot be represented by a 16-bit *signed* integer.
+#define XLIB_IMAGE_SIDE_SIZE_LIMIT 0x7fff
+
+
+class gfxXlibSurface final : public gfxASurface {
+public:
+ // construct a wrapper around the specified drawable with dpy/visual.
+ // Will use XGetGeometry to query the window/pixmap size.
+ gfxXlibSurface(Display *dpy, Drawable drawable, Visual *visual);
+
+ // construct a wrapper around the specified drawable with dpy/visual,
+ // and known width/height.
+ gfxXlibSurface(Display *dpy, Drawable drawable, Visual *visual, const mozilla::gfx::IntSize& size);
+
+ // construct a wrapper around the specified drawable with dpy/format,
+ // and known width/height.
+ gfxXlibSurface(Screen *screen, Drawable drawable, XRenderPictFormat *format,
+ const mozilla::gfx::IntSize& size);
+
+ explicit gfxXlibSurface(cairo_surface_t *csurf);
+
+ // create a new Pixmap and wrapper surface.
+ // |relatedDrawable| provides a hint to the server for determining whether
+ // the pixmap should be in video or system memory. It must be on
+ // |screen| (if specified).
+ static already_AddRefed<gfxXlibSurface>
+ Create(Screen *screen, Visual *visual, const mozilla::gfx::IntSize& size,
+ Drawable relatedDrawable = X11None);
+ static cairo_surface_t *
+ CreateCairoSurface(Screen *screen, Visual *visual, const mozilla::gfx::IntSize& size,
+ Drawable relatedDrawable = X11None);
+ static already_AddRefed<gfxXlibSurface>
+ Create(Screen* screen, XRenderPictFormat *format, const mozilla::gfx::IntSize& size,
+ Drawable relatedDrawable = X11None);
+
+ virtual ~gfxXlibSurface();
+
+ virtual already_AddRefed<gfxASurface>
+ CreateSimilarSurface(gfxContentType aType,
+ const mozilla::gfx::IntSize& aSize) override;
+ virtual void Finish() override;
+
+ virtual const mozilla::gfx::IntSize GetSize() const override;
+
+ Display* XDisplay() { return mDisplay; }
+ Screen* XScreen();
+ Drawable XDrawable() { return mDrawable; }
+ XRenderPictFormat* XRenderFormat();
+
+ static int DepthOfVisual(const Screen* screen, const Visual* visual);
+ static Visual* FindVisual(Screen* screen, gfxImageFormat format);
+ static XRenderPictFormat *FindRenderFormat(Display *dpy, gfxImageFormat format);
+ static bool GetColormapAndVisual(cairo_surface_t* aXlibSurface, Colormap* colormap, Visual **visual);
+
+ // take ownership of a passed-in Pixmap, calling XFreePixmap on it
+ // when the gfxXlibSurface is destroyed.
+ void TakePixmap();
+
+ // Release ownership of this surface's Pixmap. This is only valid
+ // on gfxXlibSurfaces for which the user called TakePixmap(), or
+ // on those created by a Create() factory method.
+ Drawable ReleasePixmap();
+
+ // Find a visual and colormap pair suitable for rendering to this surface.
+ bool GetColormapAndVisual(Colormap* colormap, Visual **visual);
+
+#if defined(GL_PROVIDER_GLX)
+ GLXPixmap GetGLXPixmap();
+ // Binds a GLXPixmap backed by this context's surface.
+ // Primarily for use in sharing surfaces.
+ void BindGLXPixmap(GLXPixmap aPixmap);
+#endif
+
+ // Return true if cairo will take its slow path when this surface is used
+ // in a pattern with EXTEND_PAD. As a workaround for XRender's RepeatPad
+ // not being implemented correctly on old X servers, cairo avoids XRender
+ // and instead reads back to perform EXTEND_PAD with pixman. Cairo does
+ // this for servers older than xorg-server 1.7.
+ bool IsPadSlow() {
+ // The test here matches that for buggy_pad_reflect in
+ // _cairo_xlib_device_create.
+ return VendorRelease(mDisplay) >= 60700000 ||
+ VendorRelease(mDisplay) < 10699000;
+ }
+
+protected:
+ // if TakePixmap() has been called on this
+ bool mPixmapTaken;
+
+ Display *mDisplay;
+ Drawable mDrawable;
+
+ const mozilla::gfx::IntSize DoSizeQuery();
+
+#if defined(GL_PROVIDER_GLX)
+ GLXPixmap mGLXPixmap;
+#endif
+};
+
+#endif /* GFX_XLIBSURFACE_H */