1 #ifndef _TCUWGL_HPP 2 #define _TCUWGL_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 WGL Utilities. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "tcuDefs.hpp" 27 #include "gluRenderContext.hpp" 28 #include "deDynamicLibrary.h" 29 #include "tcuWin32API.h" 30 31 #include <vector> 32 33 namespace glu 34 { 35 struct RenderConfig; 36 } 37 38 namespace tcu 39 { 40 namespace wgl 41 { 42 43 class Library; 44 class Context; 45 46 /*--------------------------------------------------------------------*//*! 47 * \brief WGL pixel format info. 48 *//*--------------------------------------------------------------------*/ 49 class PixelFormatInfo 50 { 51 public: 52 enum PixelType 53 { 54 PIXELTYPE_RGBA = 0, 55 PIXELTYPE_RGBA_FLOAT, 56 PIXELTYPE_RGBA_UNSIGNED_FLOAT, 57 PIXELTYPE_COLOR_INDEX, 58 PIXELTYPE_UNKNOWN, 59 60 PIXELTYPE_LAST 61 }; 62 63 enum SurfaceFlags 64 { 65 SURFACE_WINDOW = (1<<0), 66 SURFACE_PIXMAP = (1<<1) 67 }; 68 69 enum Acceleration 70 { 71 ACCELERATION_NONE = 0, 72 ACCELERATION_GENERIC, 73 ACCELERATION_FULL, 74 ACCELERATION_UNKNOWN, 75 76 ACCELERATION_LAST 77 }; 78 79 int pixelFormat; 80 81 // From WGL_ARB_pixel_format 82 deUint32 surfaceTypes; 83 Acceleration acceleration; 84 // bool needPalette; 85 // bool needSystemPalette; 86 // bool swapLayerBuffers; 87 // SwapMethod swapMethod; { EXCHANGE, UNDEFINED } 88 // int numOverlays; 89 // int numUnderlays; 90 // bool transparent; 91 // int transparentRedValue; 92 // int transparentGreenValue; 93 // int transparentBlueValue; 94 // int transparentAlphaValue; 95 // int transparentIndexValue; 96 // bool shareDepth; 97 // bool shareStencil; 98 // bool shareAccum; 99 // bool supportGDI; 100 bool supportOpenGL; 101 bool doubleBuffer; 102 // bool stereo; 103 PixelType pixelType; 104 105 // int colorBits; 106 int redBits; 107 // int redShift; 108 int greenBits; 109 // int greenShift; 110 int blueBits; 111 // int blueShift; 112 int alphaBits; 113 // int alphaShift; 114 115 // int accumBits; 116 // int accumRedBits; 117 // int accumGreenBits; 118 // int accumBlueBits; 119 // int accumAlphaBits; 120 121 int depthBits; 122 int stencilBits; 123 124 // int numAuxBuffers; 125 126 // From WGL_ARB_multisample 127 int sampleBuffers; 128 int samples; 129 130 // \todo [2013-04-14 pyry] Version bits? 131 132 PixelFormatInfo (void) 133 : pixelFormat (0) 134 , surfaceTypes (0) 135 , acceleration (ACCELERATION_LAST) 136 , supportOpenGL (false) 137 , doubleBuffer (false) 138 , pixelType (PIXELTYPE_LAST) 139 , redBits (0) 140 , greenBits (0) 141 , blueBits (0) 142 , alphaBits (0) 143 , depthBits (0) 144 , stencilBits (0) 145 , sampleBuffers (0) 146 , samples (0) 147 { 148 } 149 }; 150 151 /*--------------------------------------------------------------------*//*! 152 * \brief Core WGL API 153 * 154 * \note Created API objects depend on Core object being live. User is 155 * resposible of keeping Core live as long as there are API objects 156 * (such as GL contexts) live! 157 *//*--------------------------------------------------------------------*/ 158 class Core 159 { 160 public: 161 Core (HINSTANCE instance); 162 ~Core (void); 163 164 std::vector<int> getPixelFormats (HDC deviceCtx) const; 165 PixelFormatInfo getPixelFormatInfo (HDC deviceCtx, int pixelFormat) const; 166 167 // Internal 168 const Library* getLibrary (void) const { return m_library; } 169 170 private: 171 Core (const Core& other); 172 Core& operator= (const Core& other); 173 174 Library* m_library; 175 }; 176 177 //! Function pointer type. 178 typedef void (__stdcall* FunctionPtr) (void); 179 180 /*--------------------------------------------------------------------*//*! 181 * \brief WGL context 182 * 183 * Context is currently made current to current thread in constructor 184 * and detached in destructor. Thus context should be created in and 185 * accessed from a single thread. 186 *//*--------------------------------------------------------------------*/ 187 class Context 188 { 189 public: 190 Context (const Core* core, HDC deviceCtx, glu::ContextType ctxType, int pixelFormat); 191 ~Context (void); 192 193 FunctionPtr getGLFunction (const char* name) const; 194 195 void swapBuffers (void) const; 196 197 HDC getDeviceContext (void) const { return m_deviceCtx; } 198 HGLRC getGLContext (void) const { return m_context; } 199 200 private: 201 Context (const Context& other); 202 Context& operator= (const Context& other); 203 204 const Core* m_core; 205 HDC m_deviceCtx; 206 HGLRC m_context; 207 }; 208 209 //! Utility for selecting config. Returns -1 if no matching pixel format was found. 210 int choosePixelFormat (const Core& wgl, HDC deviceCtx, const glu::RenderConfig& config); 211 212 } // wgl 213 } // tcu 214 215 #endif // _TCUWGL_HPP 216
