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 "gluRenderConfig.hpp" 28 #include "gluRenderContext.hpp" 29 #include "deDynamicLibrary.h" 30 #include "tcuWin32API.h" 31 32 #include <vector> 33 34 namespace glu 35 { 36 struct RenderConfig; 37 } 38 39 namespace tcu 40 { 41 namespace wgl 42 { 43 44 class Library; 45 class Context; 46 47 /*--------------------------------------------------------------------*//*! 48 * \brief WGL pixel format info. 49 *//*--------------------------------------------------------------------*/ 50 class PixelFormatInfo 51 { 52 public: 53 enum PixelType 54 { 55 PIXELTYPE_RGBA = 0, 56 PIXELTYPE_RGBA_FLOAT, 57 PIXELTYPE_RGBA_UNSIGNED_FLOAT, 58 PIXELTYPE_COLOR_INDEX, 59 PIXELTYPE_UNKNOWN, 60 61 PIXELTYPE_LAST 62 }; 63 64 enum SurfaceFlags 65 { 66 SURFACE_WINDOW = (1<<0), 67 SURFACE_PIXMAP = (1<<1) 68 }; 69 70 enum Acceleration 71 { 72 ACCELERATION_NONE = 0, 73 ACCELERATION_GENERIC, 74 ACCELERATION_FULL, 75 ACCELERATION_UNKNOWN, 76 77 ACCELERATION_LAST 78 }; 79 80 int pixelFormat; 81 82 // From WGL_ARB_pixel_format 83 deUint32 surfaceTypes; 84 Acceleration acceleration; 85 bool needPalette; 86 bool needSystemPalette; 87 // bool swapLayerBuffers; 88 // SwapMethod swapMethod; { EXCHANGE, UNDEFINED } 89 int numOverlays; 90 int numUnderlays; 91 // bool transparent; 92 // int transparentRedValue; 93 // int transparentGreenValue; 94 // int transparentBlueValue; 95 // int transparentAlphaValue; 96 // int transparentIndexValue; 97 // bool shareDepth; 98 // bool shareStencil; 99 // bool shareAccum; 100 // bool supportGDI; 101 bool supportOpenGL; 102 bool doubleBuffer; 103 bool stereo; 104 PixelType pixelType; 105 106 // int colorBits; 107 int redBits; 108 // int redShift; 109 int greenBits; 110 // int greenShift; 111 int blueBits; 112 // int blueShift; 113 int alphaBits; 114 // int alphaShift; 115 116 int accumBits; 117 // int accumRedBits; 118 // int accumGreenBits; 119 // int accumBlueBits; 120 // int accumAlphaBits; 121 122 int depthBits; 123 int stencilBits; 124 125 int numAuxBuffers; 126 127 // From WGL_ARB_multisample 128 int sampleBuffers; 129 int samples; 130 131 // \todo [2013-04-14 pyry] Version bits? 132 133 PixelFormatInfo (void) 134 : pixelFormat (0) 135 , surfaceTypes (0) 136 , acceleration (ACCELERATION_LAST) 137 , needPalette (false) 138 , needSystemPalette (false) 139 , numOverlays (0) 140 , numUnderlays (0) 141 , supportOpenGL (false) 142 , doubleBuffer (false) 143 , stereo (false) 144 , pixelType (PIXELTYPE_LAST) 145 , redBits (0) 146 , greenBits (0) 147 , blueBits (0) 148 , alphaBits (0) 149 , accumBits (0) 150 , depthBits (0) 151 , stencilBits (0) 152 , numAuxBuffers (0) 153 , sampleBuffers (0) 154 , samples (0) 155 { 156 } 157 }; 158 159 /*--------------------------------------------------------------------*//*! 160 * \brief Core WGL API 161 * 162 * \note Created API objects depend on Core object being live. User is 163 * resposible of keeping Core live as long as there are API objects 164 * (such as GL contexts) live! 165 *//*--------------------------------------------------------------------*/ 166 class Core 167 { 168 public: 169 Core (HINSTANCE instance); 170 ~Core (void); 171 172 std::vector<int> getPixelFormats (HDC deviceCtx) const; 173 PixelFormatInfo getPixelFormatInfo (HDC deviceCtx, int pixelFormat) const; 174 175 // Internal 176 const Library* getLibrary (void) const { return m_library; } 177 178 private: 179 Core (const Core& other); 180 Core& operator= (const Core& other); 181 182 Library* m_library; 183 }; 184 185 //! Function pointer type. 186 typedef void (__stdcall* FunctionPtr) (void); 187 188 /*--------------------------------------------------------------------*//*! 189 * \brief WGL context 190 * 191 * Context is currently made current to current thread in constructor 192 * and detached in destructor. Thus context should be created in and 193 * accessed from a single thread. 194 *//*--------------------------------------------------------------------*/ 195 class Context 196 { 197 public: 198 Context (const Core* core, 199 HDC deviceCtx, 200 glu::ContextType ctxType, 201 int pixelFormat, 202 glu::ResetNotificationStrategy resetNotificationStrategy); 203 ~Context (void); 204 205 FunctionPtr getGLFunction (const char* name) const; 206 207 void makeCurrent (void); 208 void swapBuffers (void) const; 209 210 HDC getDeviceContext (void) const { return m_deviceCtx; } 211 HGLRC getGLContext (void) const { return m_context; } 212 213 private: 214 Context (const Context& other); 215 Context& operator= (const Context& other); 216 217 const Core* m_core; 218 HDC m_deviceCtx; 219 HGLRC m_context; 220 }; 221 222 //! Utility for selecting config. Returns -1 if no matching pixel format was found. 223 int choosePixelFormat (const Core& wgl, HDC deviceCtx, const glu::RenderConfig& config); 224 225 //! Is pixel format in general supported by dEQP tests? 226 bool isSupportedByTests (const PixelFormatInfo& pixelFormatInfo); 227 228 } // wgl 229 } // tcu 230 231 #endif // _TCUWGL_HPP 232
