mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
122 lines
4.6 KiB
C++
122 lines
4.6 KiB
C++
/* -*- 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>
|
|
|
|
#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 = None);
|
|
static cairo_surface_t *
|
|
CreateCairoSurface(Screen *screen, Visual *visual, const mozilla::gfx::IntSize& size,
|
|
Drawable relatedDrawable = None);
|
|
static already_AddRefed<gfxXlibSurface>
|
|
Create(Screen* screen, XRenderPictFormat *format, const mozilla::gfx::IntSize& size,
|
|
Drawable relatedDrawable = None);
|
|
|
|
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 */
|