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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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/. */
#include "WindowSurfaceX11.h"
#include "gfxPlatform.h"
namespace mozilla::widget {
WindowSurfaceX11::WindowSurfaceX11(Display* aDisplay, Window aWindow,
Visual* aVisual, unsigned int aDepth)
: mDisplay(aDisplay),
mWindow(aWindow),
mVisual(aVisual),
mDepth(aDepth),
mFormat(GetVisualFormat(aVisual, aDepth)) {}
/* static */
gfx::SurfaceFormat WindowSurfaceX11::GetVisualFormat(const Visual* aVisual,
unsigned int aDepth) {
switch (aDepth) {
case 32:
if (aVisual->red_mask == 0xff0000 && aVisual->green_mask == 0xff00 &&
aVisual->blue_mask == 0xff) {
return gfx::SurfaceFormat::B8G8R8A8;
}
break;
case 24:
if (aVisual->red_mask == 0xff0000 && aVisual->green_mask == 0xff00 &&
aVisual->blue_mask == 0xff) {
return gfx::SurfaceFormat::B8G8R8X8;
}
break;
case 16:
if (aVisual->red_mask == 0xf800 && aVisual->green_mask == 0x07e0 &&
aVisual->blue_mask == 0x1f) {
return gfx::SurfaceFormat::R5G6B5_UINT16;
}
break;
}
return gfx::SurfaceFormat::UNKNOWN;
}
} // namespace mozilla::widget
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