1 #ifndef _TCUSURFACEACCESS_HPP 2 #define _TCUSURFACEACCESS_HPP 3 /*------------------------------------------------------------------------- 4 * drawElements Quality Program Tester Core 5 * ---------------------------------------- 6 * 7 * Copyright 2014 The Android Open Source Project 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * you may not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 *//*! 22 * \file 23 * \brief Surface access class. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "tcuDefs.hpp" 27 #include "tcuTextureUtil.hpp" 28 #include "tcuPixelFormat.hpp" 29 #include "tcuSurface.hpp" 30 31 namespace tcu 32 { 33 34 inline deUint8 getColorMask (const tcu::PixelFormat& format) 35 { 36 return (deUint8)((format.redBits ? tcu::RGBA::RED_MASK : 0) | 37 (format.greenBits ? tcu::RGBA::GREEN_MASK : 0) | 38 (format.blueBits ? tcu::RGBA::BLUE_MASK : 0) | 39 (format.alphaBits ? tcu::RGBA::ALPHA_MASK : 0)); 40 } 41 42 inline tcu::RGBA toRGBAMasked (const tcu::Vec4& v, deUint8 mask) 43 { 44 return tcu::RGBA((mask&tcu::RGBA::RED_MASK) ? tcu::floatToU8(v.x()) : 0, 45 (mask&tcu::RGBA::GREEN_MASK) ? tcu::floatToU8(v.y()) : 0, 46 (mask&tcu::RGBA::BLUE_MASK) ? tcu::floatToU8(v.z()) : 0, 47 (mask&tcu::RGBA::ALPHA_MASK) ? tcu::floatToU8(v.w()) : 0xFF); //!< \note Alpha defaults to full saturation when reading masked format 48 } 49 50 class SurfaceAccess 51 { 52 public: 53 SurfaceAccess (tcu::Surface& surface, const tcu::PixelFormat& colorFmt); 54 SurfaceAccess (tcu::Surface& surface, const tcu::PixelFormat& colorFmt, int x, int y, int width, int height); 55 SurfaceAccess (const SurfaceAccess& parent, int x, int y, int width, int height); 56 57 int getWidth (void) const { return m_width; } 58 int getHeight (void) const { return m_height; } 59 60 void setPixel (const tcu::Vec4& color, int x, int y) const; 61 62 private: 63 mutable tcu::Surface* m_surface; 64 deUint8 m_colorMask; 65 int m_x; 66 int m_y; 67 int m_width; 68 int m_height; 69 }; 70 71 inline void SurfaceAccess::setPixel (const tcu::Vec4& color, int x, int y) const 72 { 73 DE_ASSERT(de::inBounds(x, 0, m_width) && de::inBounds(y, 0, m_height)); 74 m_surface->setPixel(m_x+x, m_y+y, toRGBAMasked(color, m_colorMask)); 75 } 76 77 } // tcu 78 79 #endif // _TCUSURFACEACCESS_HPP 80
