mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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e2bf5cb8fe
GL layer was missing _captureBackBuffer() implementation which caused screenShot() function to fail. Also caused ScreenShot::capture() to be called every frame afterward which caused significant performance issues.
48 lines
1.9 KiB
C++
48 lines
1.9 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2016 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#include "platform/platform.h"
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#include "gfx/gl/screenshotGL.h"
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#include "gfx/gl/gfxGLDevice.h"
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#include "gfx/bitmap/gBitmap.h"
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//Note if MSAA is ever enabled this will need fixing
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GBitmap* ScreenShotGL::_captureBackBuffer()
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{
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glPixelStorei(GL_PACK_ALIGNMENT, 1);
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glReadBuffer(GL_BACK);
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Point2I size = GFX->getViewport().extent;
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U8* pixels = new U8[size.x * size.y * 4];
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glReadPixels(0, 0, size.x, size.y, GL_RGB, GL_UNSIGNED_BYTE, pixels);
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GBitmap* bitmap = new GBitmap(size.x, size.y);
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for (U32 y = 0; y < (U32)size.y; y++)
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dMemcpy(bitmap->getAddress(0, y), pixels + y * size.x * 3, U32(size.x * 3));
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delete[] pixels;
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return bitmap;
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}
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