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79 lines
2.6 KiB
79 lines
2.6 KiB
#ifndef _TCUSURFACEACCESS_HPP |
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#define _TCUSURFACEACCESS_HPP |
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/*------------------------------------------------------------------------- |
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* drawElements Quality Program Tester Core |
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* ---------------------------------------- |
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* |
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* Copyright 2014 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*//*! |
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* \file |
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* \brief Surface access class. |
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*//*--------------------------------------------------------------------*/ |
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#include "tcuDefs.hpp" |
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#include "tcuTextureUtil.hpp" |
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#include "tcuPixelFormat.hpp" |
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#include "tcuSurface.hpp" |
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namespace tcu |
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{ |
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inline deUint8 getColorMask (const tcu::PixelFormat& format) |
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{ |
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return (deUint8)((format.redBits ? tcu::RGBA::RED_MASK : 0) | |
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(format.greenBits ? tcu::RGBA::GREEN_MASK : 0) | |
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(format.blueBits ? tcu::RGBA::BLUE_MASK : 0) | |
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(format.alphaBits ? tcu::RGBA::ALPHA_MASK : 0)); |
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} |
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inline tcu::RGBA toRGBAMasked (const tcu::Vec4& v, deUint8 mask) |
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{ |
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return tcu::RGBA((mask&tcu::RGBA::RED_MASK) ? tcu::floatToU8(v.x()) : 0, |
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(mask&tcu::RGBA::GREEN_MASK) ? tcu::floatToU8(v.y()) : 0, |
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(mask&tcu::RGBA::BLUE_MASK) ? tcu::floatToU8(v.z()) : 0, |
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(mask&tcu::RGBA::ALPHA_MASK) ? tcu::floatToU8(v.w()) : 0xFF); //!< \note Alpha defaults to full saturation when reading masked format |
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} |
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class SurfaceAccess |
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{ |
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public: |
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SurfaceAccess (tcu::Surface& surface, const tcu::PixelFormat& colorFmt); |
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SurfaceAccess (tcu::Surface& surface, const tcu::PixelFormat& colorFmt, int x, int y, int width, int height); |
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SurfaceAccess (const SurfaceAccess& parent, int x, int y, int width, int height); |
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int getWidth (void) const { return m_width; } |
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int getHeight (void) const { return m_height; } |
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void setPixel (const tcu::Vec4& color, int x, int y) const; |
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private: |
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mutable tcu::Surface* m_surface; |
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deUint8 m_colorMask; |
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int m_x; |
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int m_y; |
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int m_width; |
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int m_height; |
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}; |
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inline void SurfaceAccess::setPixel (const tcu::Vec4& color, int x, int y) const |
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{ |
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DE_ASSERT(de::inBounds(x, 0, m_width) && de::inBounds(y, 0, m_height)); |
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m_surface->setPixel(m_x+x, m_y+y, toRGBAMasked(color, m_colorMask)); |
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} |
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} // tcu |
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#endif // _TCUSURFACEACCESS_HPP
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