| 1 | /* |
| 2 | Copyright (C) 2003 Rice1964 |
| 3 | |
| 4 | This program is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU General Public License |
| 6 | as published by the Free Software Foundation; either version 2 |
| 7 | of the License, or (at your option) any later version. |
| 8 | |
| 9 | This program is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | GNU General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU General Public License |
| 15 | along with this program; if not, write to the Free Software |
| 16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #include "osal_opengl.h" |
| 20 | |
| 21 | #define M64P_PLUGIN_PROTOTYPES 1 |
| 22 | #include "m64p_plugin.h" |
| 23 | #include "Config.h" |
| 24 | #include "Debugger.h" |
| 25 | #if SDL_VIDEO_OPENGL |
| 26 | #include "OGLExtensions.h" |
| 27 | #endif |
| 28 | #include "OGLDebug.h" |
| 29 | #include "OGLGraphicsContext.h" |
| 30 | #include "TextureManager.h" |
| 31 | #include "Video.h" |
| 32 | #include "version.h" |
| 33 | #ifdef HAVE_GLES |
| 34 | #include "eglport.h" |
| 35 | #endif |
| 36 | |
| 37 | COGLGraphicsContext::COGLGraphicsContext() : |
| 38 | m_bSupportMultiTexture(false), |
| 39 | m_bSupportTextureEnvCombine(false), |
| 40 | m_bSupportSeparateSpecularColor(false), |
| 41 | m_bSupportSecondColor(false), |
| 42 | m_bSupportFogCoord(false), |
| 43 | m_bSupportTextureObject(false), |
| 44 | m_bSupportRescaleNormal(false), |
| 45 | m_bSupportLODBias(false), |
| 46 | m_bSupportTextureMirrorRepeat(false), |
| 47 | m_bSupportTextureLOD(false), |
| 48 | m_bSupportNVRegisterCombiner(false), |
| 49 | m_bSupportBlendColor(false), |
| 50 | m_bSupportBlendSubtract(false), |
| 51 | m_bSupportNVTextureEnvCombine4(false), |
| 52 | m_pVendorStr(NULL), |
| 53 | m_pRenderStr(NULL), |
| 54 | m_pExtensionStr(NULL), |
| 55 | m_pVersionStr(NULL) |
| 56 | { |
| 57 | } |
| 58 | |
| 59 | |
| 60 | COGLGraphicsContext::~COGLGraphicsContext() |
| 61 | { |
| 62 | } |
| 63 | |
| 64 | bool COGLGraphicsContext::Initialize(uint32 dwWidth, uint32 dwHeight, BOOL bWindowed ) |
| 65 | { |
| 66 | DebugMessage(M64MSG_INFO, "Initializing OpenGL Device Context."); |
| 67 | Lock(); |
| 68 | #ifdef HAVE_GLES |
| 69 | /* dwWidth = 800; |
| 70 | dwHeight = 480;*/ |
| 71 | #endif |
| 72 | CGraphicsContext::Get()->m_supportTextureMirror = false; |
| 73 | CGraphicsContext::Initialize(dwWidth, dwHeight, bWindowed ); |
| 74 | |
| 75 | if( bWindowed ) |
| 76 | { |
| 77 | windowSetting.statusBarHeightToUse = windowSetting.statusBarHeight; |
| 78 | windowSetting.toolbarHeightToUse = windowSetting.toolbarHeight; |
| 79 | } |
| 80 | else |
| 81 | { |
| 82 | windowSetting.statusBarHeightToUse = 0; |
| 83 | windowSetting.toolbarHeightToUse = 0; |
| 84 | } |
| 85 | |
| 86 | int depthBufferDepth = options.OpenglDepthBufferSetting; |
| 87 | int colorBufferDepth = 32; |
| 88 | int bVerticalSync = windowSetting.bVerticalSync; |
| 89 | if( options.colorQuality == TEXTURE_FMT_A4R4G4B4 ) colorBufferDepth = 16; |
| 90 | |
| 91 | // init sdl & gl |
| 92 | DebugMessage(M64MSG_VERBOSE, "Initializing video subsystem..."); |
| 93 | #ifdef HAVE_GLES |
| 94 | // init sdl & ourself |
| 95 | if (SDL_InitSubSystem(SDL_INIT_VIDEO) == -1) |
| 96 | return false; |
| 97 | #else |
| 98 | if (CoreVideo_Init() != M64ERR_SUCCESS) |
| 99 | return false; |
| 100 | #endif |
| 101 | |
| 102 | /* hard-coded attribute values */ |
| 103 | const int iDOUBLEBUFFER = 1; |
| 104 | |
| 105 | #ifdef HAVE_GLES |
| 106 | SDL_SetVideoMode(800, 480, 0, (bWindowed)?0:SDL_FULLSCREEN); |
| 107 | SDL_ShowCursor(SDL_DISABLE); |
| 108 | EGL_Open(800, 480); |
| 109 | #else |
| 110 | /* set opengl attributes */ |
| 111 | CoreVideo_GL_SetAttribute(M64P_GL_DOUBLEBUFFER, iDOUBLEBUFFER); |
| 112 | CoreVideo_GL_SetAttribute(M64P_GL_SWAP_CONTROL, bVerticalSync); |
| 113 | CoreVideo_GL_SetAttribute(M64P_GL_BUFFER_SIZE, colorBufferDepth); |
| 114 | CoreVideo_GL_SetAttribute(M64P_GL_DEPTH_SIZE, depthBufferDepth); |
| 115 | |
| 116 | /* set multisampling */ |
| 117 | if (options.multiSampling > 0) |
| 118 | { |
| 119 | CoreVideo_GL_SetAttribute(M64P_GL_MULTISAMPLEBUFFERS, 1); |
| 120 | if (options.multiSampling <= 2) |
| 121 | CoreVideo_GL_SetAttribute(M64P_GL_MULTISAMPLESAMPLES, 2); |
| 122 | else if (options.multiSampling <= 4) |
| 123 | CoreVideo_GL_SetAttribute(M64P_GL_MULTISAMPLESAMPLES, 4); |
| 124 | else if (options.multiSampling <= 8) |
| 125 | CoreVideo_GL_SetAttribute(M64P_GL_MULTISAMPLESAMPLES, 8); |
| 126 | else |
| 127 | CoreVideo_GL_SetAttribute(M64P_GL_MULTISAMPLESAMPLES, 16); |
| 128 | } |
| 129 | |
| 130 | /* Set the video mode */ |
| 131 | m64p_video_mode ScreenMode = bWindowed ? M64VIDEO_WINDOWED : M64VIDEO_FULLSCREEN; |
| 132 | m64p_video_flags flags = M64VIDEOFLAG_SUPPORT_RESIZING; |
| 133 | if (CoreVideo_SetVideoMode(windowSetting.uDisplayWidth, windowSetting.uDisplayHeight, colorBufferDepth, ScreenMode, flags) != M64ERR_SUCCESS) |
| 134 | { |
| 135 | DebugMessage(M64MSG_ERROR, "Failed to set %i-bit video mode: %ix%i", colorBufferDepth, (int)windowSetting.uDisplayWidth, (int)windowSetting.uDisplayHeight); |
| 136 | CoreVideo_Quit(); |
| 137 | return false; |
| 138 | } |
| 139 | |
| 140 | /* check that our opengl attributes were properly set */ |
| 141 | int iActual; |
| 142 | if (CoreVideo_GL_GetAttribute(M64P_GL_DOUBLEBUFFER, &iActual) == M64ERR_SUCCESS) |
| 143 | if (iActual != iDOUBLEBUFFER) |
| 144 | DebugMessage(M64MSG_WARNING, "Failed to set GL_DOUBLEBUFFER to %i. (it's %i)", iDOUBLEBUFFER, iActual); |
| 145 | if (CoreVideo_GL_GetAttribute(M64P_GL_SWAP_CONTROL, &iActual) == M64ERR_SUCCESS) |
| 146 | if (iActual != bVerticalSync) |
| 147 | DebugMessage(M64MSG_WARNING, "Failed to set GL_SWAP_CONTROL to %i. (it's %i)", bVerticalSync, iActual); |
| 148 | if (CoreVideo_GL_GetAttribute(M64P_GL_BUFFER_SIZE, &iActual) == M64ERR_SUCCESS) |
| 149 | if (iActual != colorBufferDepth) |
| 150 | DebugMessage(M64MSG_WARNING, "Failed to set GL_BUFFER_SIZE to %i. (it's %i)", colorBufferDepth, iActual); |
| 151 | if (CoreVideo_GL_GetAttribute(M64P_GL_DEPTH_SIZE, &iActual) == M64ERR_SUCCESS) |
| 152 | if (iActual != depthBufferDepth) |
| 153 | DebugMessage(M64MSG_WARNING, "Failed to set GL_DEPTH_SIZE to %i. (it's %i)", depthBufferDepth, iActual); |
| 154 | #endif |
| 155 | #if SDL_VIDEO_OPENGL |
| 156 | /* Get function pointers to OpenGL extensions (blame Microsoft Windows for this) */ |
| 157 | OGLExtensions_Init(); |
| 158 | #endif |
| 159 | |
| 160 | char caption[500]; |
| 161 | sprintf(caption, "%s v%i.%i.%i", PLUGIN_NAME, VERSION_PRINTF_SPLIT(PLUGIN_VERSION)); |
| 162 | CoreVideo_SetCaption(caption); |
| 163 | SetWindowMode(); |
| 164 | |
| 165 | InitState(); |
| 166 | InitOGLExtension(); |
| 167 | sprintf(m_strDeviceStats, "%.60s - %.128s : %.60s", m_pVendorStr, m_pRenderStr, m_pVersionStr); |
| 168 | TRACE0(m_strDeviceStats); |
| 169 | DebugMessage(M64MSG_INFO, "Using OpenGL: %s", m_strDeviceStats); |
| 170 | |
| 171 | Unlock(); |
| 172 | |
| 173 | Clear(CLEAR_COLOR_AND_DEPTH_BUFFER); // Clear buffers |
| 174 | UpdateFrame(); |
| 175 | Clear(CLEAR_COLOR_AND_DEPTH_BUFFER); |
| 176 | UpdateFrame(); |
| 177 | |
| 178 | m_bReady = true; |
| 179 | status.isVertexShaderEnabled = false; |
| 180 | |
| 181 | return true; |
| 182 | } |
| 183 | |
| 184 | bool COGLGraphicsContext::ResizeInitialize(uint32 dwWidth, uint32 dwHeight, BOOL bWindowed ) |
| 185 | { |
| 186 | #ifndef HAVE_GLES |
| 187 | Lock(); |
| 188 | |
| 189 | CGraphicsContext::Initialize(dwWidth, dwHeight, bWindowed ); |
| 190 | |
| 191 | int depthBufferDepth = options.OpenglDepthBufferSetting; |
| 192 | int colorBufferDepth = 32; |
| 193 | int bVerticalSync = windowSetting.bVerticalSync; |
| 194 | if( options.colorQuality == TEXTURE_FMT_A4R4G4B4 ) colorBufferDepth = 16; |
| 195 | |
| 196 | /* hard-coded attribute values */ |
| 197 | const int iDOUBLEBUFFER = 1; |
| 198 | |
| 199 | /* set opengl attributes */ |
| 200 | CoreVideo_GL_SetAttribute(M64P_GL_DOUBLEBUFFER, iDOUBLEBUFFER); |
| 201 | CoreVideo_GL_SetAttribute(M64P_GL_SWAP_CONTROL, bVerticalSync); |
| 202 | CoreVideo_GL_SetAttribute(M64P_GL_BUFFER_SIZE, colorBufferDepth); |
| 203 | CoreVideo_GL_SetAttribute(M64P_GL_DEPTH_SIZE, depthBufferDepth); |
| 204 | |
| 205 | /* set multisampling */ |
| 206 | if (options.multiSampling > 0) |
| 207 | { |
| 208 | CoreVideo_GL_SetAttribute(M64P_GL_MULTISAMPLEBUFFERS, 1); |
| 209 | if (options.multiSampling <= 2) |
| 210 | CoreVideo_GL_SetAttribute(M64P_GL_MULTISAMPLESAMPLES, 2); |
| 211 | else if (options.multiSampling <= 4) |
| 212 | CoreVideo_GL_SetAttribute(M64P_GL_MULTISAMPLESAMPLES, 4); |
| 213 | else if (options.multiSampling <= 8) |
| 214 | CoreVideo_GL_SetAttribute(M64P_GL_MULTISAMPLESAMPLES, 8); |
| 215 | else |
| 216 | CoreVideo_GL_SetAttribute(M64P_GL_MULTISAMPLESAMPLES, 16); |
| 217 | } |
| 218 | |
| 219 | /* Call Mupen64plus core Video Extension to resize the window, which will create a new OpenGL Context under SDL */ |
| 220 | if (CoreVideo_ResizeWindow(windowSetting.uDisplayWidth, windowSetting.uDisplayHeight) != M64ERR_SUCCESS) |
| 221 | { |
| 222 | DebugMessage(M64MSG_ERROR, "Failed to set %i-bit video mode: %ix%i", colorBufferDepth, (int)windowSetting.uDisplayWidth, (int)windowSetting.uDisplayHeight); |
| 223 | CoreVideo_Quit(); |
| 224 | return false; |
| 225 | } |
| 226 | |
| 227 | InitState(); |
| 228 | Unlock(); |
| 229 | |
| 230 | Clear(CLEAR_COLOR_AND_DEPTH_BUFFER); // Clear buffers |
| 231 | UpdateFrame(); |
| 232 | Clear(CLEAR_COLOR_AND_DEPTH_BUFFER); |
| 233 | UpdateFrame(); |
| 234 | #endif |
| 235 | return true; |
| 236 | } |
| 237 | |
| 238 | void COGLGraphicsContext::InitState(void) |
| 239 | { |
| 240 | m_pRenderStr = glGetString(GL_RENDERER); |
| 241 | m_pExtensionStr = glGetString(GL_EXTENSIONS); |
| 242 | m_pVersionStr = glGetString(GL_VERSION); |
| 243 | m_pVendorStr = glGetString(GL_VENDOR); |
| 244 | glMatrixMode(GL_PROJECTION); |
| 245 | OPENGL_CHECK_ERRORS; |
| 246 | glLoadIdentity(); |
| 247 | OPENGL_CHECK_ERRORS; |
| 248 | |
| 249 | glClearColor(0.0f, 0.0f, 0.0f, 0.0f); |
| 250 | OPENGL_CHECK_ERRORS; |
| 251 | glClearDepth(1.0f); |
| 252 | OPENGL_CHECK_ERRORS; |
| 253 | |
| 254 | #if SDL_VIDEO_OPENGL |
| 255 | glShadeModel(GL_SMOOTH); |
| 256 | OPENGL_CHECK_ERRORS; |
| 257 | |
| 258 | //position viewer |
| 259 | //glMatrixMode(GL_MODELVIEW); |
| 260 | //glLoadIdentity(); |
| 261 | |
| 262 | glDisable(GL_ALPHA_TEST); |
| 263 | OPENGL_CHECK_ERRORS; |
| 264 | #endif |
| 265 | |
| 266 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
| 267 | OPENGL_CHECK_ERRORS; |
| 268 | glDisable(GL_BLEND); |
| 269 | OPENGL_CHECK_ERRORS; |
| 270 | |
| 271 | glFrontFace(GL_CCW); |
| 272 | OPENGL_CHECK_ERRORS; |
| 273 | glDisable(GL_CULL_FACE); |
| 274 | OPENGL_CHECK_ERRORS; |
| 275 | #if SDL_VIDEO_OPENGL |
| 276 | glDisable(GL_NORMALIZE); |
| 277 | OPENGL_CHECK_ERRORS; |
| 278 | #endif |
| 279 | |
| 280 | glDepthFunc(GL_LEQUAL); |
| 281 | OPENGL_CHECK_ERRORS; |
| 282 | glEnable(GL_DEPTH_TEST); |
| 283 | OPENGL_CHECK_ERRORS; |
| 284 | |
| 285 | #if SDL_VIDEO_OPENGL |
| 286 | glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); |
| 287 | OPENGL_CHECK_ERRORS; |
| 288 | #endif |
| 289 | |
| 290 | glEnable(GL_BLEND); |
| 291 | OPENGL_CHECK_ERRORS; |
| 292 | #if SDL_VIDEO_OPENGL |
| 293 | glEnable(GL_ALPHA_TEST); |
| 294 | OPENGL_CHECK_ERRORS; |
| 295 | |
| 296 | glMatrixMode(GL_PROJECTION); |
| 297 | OPENGL_CHECK_ERRORS; |
| 298 | glLoadIdentity(); |
| 299 | OPENGL_CHECK_ERRORS; |
| 300 | |
| 301 | glDepthRange(-1, 1); |
| 302 | |
| 303 | #elif SDL_VIDEO_OPENGL_ES2 |
| 304 | glDepthRangef(-1.0f, 1.0f); |
| 305 | #endif |
| 306 | OPENGL_CHECK_ERRORS; |
| 307 | } |
| 308 | |
| 309 | void COGLGraphicsContext::InitOGLExtension(void) |
| 310 | { |
| 311 | // important extension features, it is very bad not to have these feature |
| 312 | #ifdef HAVE_GLES |
| 313 | m_bSupportMultiTexture = true; |
| 314 | m_bSupportTextureEnvCombine = true; |
| 315 | m_bSupportSeparateSpecularColor = true; |
| 316 | m_bSupportSecondColor = false; |
| 317 | m_bSupportFogCoord = false; |
| 318 | m_bSupportTextureObject = false; |
| 319 | m_bSupportRescaleNormal = true; |
| 320 | m_bSupportLODBias = false; |
| 321 | m_bSupportAnisotropicFiltering = true; |
| 322 | #else |
| 323 | m_bSupportMultiTexture = IsExtensionSupported(OSAL_GL_ARB_MULTITEXTURE); |
| 324 | m_bSupportTextureEnvCombine = IsExtensionSupported("GL_EXT_texture_env_combine"); |
| 325 | |
| 326 | m_bSupportSeparateSpecularColor = IsExtensionSupported("GL_EXT_separate_specular_color"); |
| 327 | m_bSupportSecondColor = IsExtensionSupported("GL_EXT_secondary_color"); |
| 328 | m_bSupportFogCoord = IsExtensionSupported("GL_EXT_fog_coord"); |
| 329 | m_bSupportTextureObject = IsExtensionSupported("GL_EXT_texture_object"); |
| 330 | |
| 331 | // Optional extension features |
| 332 | m_bSupportRescaleNormal = IsExtensionSupported("GL_EXT_rescale_normal"); |
| 333 | m_bSupportLODBias = IsExtensionSupported("GL_EXT_texture_lod_bias"); |
| 334 | m_bSupportAnisotropicFiltering = IsExtensionSupported("GL_EXT_texture_filter_anisotropic"); |
| 335 | #endif |
| 336 | // Compute maxAnisotropicFiltering |
| 337 | m_maxAnisotropicFiltering = 0; |
| 338 | |
| 339 | if( m_bSupportAnisotropicFiltering |
| 340 | && (options.anisotropicFiltering == 2 |
| 341 | || options.anisotropicFiltering == 4 |
| 342 | || options.anisotropicFiltering == 8 |
| 343 | || options.anisotropicFiltering == 16)) |
| 344 | { |
| 345 | //Get the max value of aniso that the graphic card support |
| 346 | glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &m_maxAnisotropicFiltering); |
| 347 | OPENGL_CHECK_ERRORS; |
| 348 | |
| 349 | // If user want more aniso than hardware can do |
| 350 | if(options.anisotropicFiltering > (uint32) m_maxAnisotropicFiltering) |
| 351 | { |
| 352 | DebugMessage(M64MSG_INFO, "A value of '%i' is set for AnisotropicFiltering option but the hardware has a maximum value of '%i' so this will be used", options.anisotropicFiltering, m_maxAnisotropicFiltering); |
| 353 | } |
| 354 | |
| 355 | //check if user want less anisotropy than hardware can do |
| 356 | if((uint32) m_maxAnisotropicFiltering > options.anisotropicFiltering) |
| 357 | m_maxAnisotropicFiltering = options.anisotropicFiltering; |
| 358 | } |
| 359 | |
| 360 | // Nvidia only extension features (optional) |
| 361 | m_bSupportNVRegisterCombiner = IsExtensionSupported("GL_NV_register_combiners"); |
| 362 | #ifdef HAVE_GLES |
| 363 | m_bSupportTextureMirrorRepeat = true; |
| 364 | #else |
| 365 | m_bSupportTextureMirrorRepeat = IsExtensionSupported("GL_IBM_texture_mirrored_repeat") || IsExtensionSupported("ARB_texture_mirrored_repeat"); |
| 366 | #endif |
| 367 | m_supportTextureMirror = m_bSupportTextureMirrorRepeat; |
| 368 | m_bSupportTextureLOD = IsExtensionSupported("GL_EXT_texture_lod"); |
| 369 | #ifdef HAVE_GLES |
| 370 | m_bSupportBlendColor = true; |
| 371 | m_bSupportBlendSubtract = true; |
| 372 | #else |
| 373 | m_bSupportBlendColor = IsExtensionSupported("GL_EXT_blend_color"); |
| 374 | m_bSupportBlendSubtract = IsExtensionSupported("GL_EXT_blend_subtract"); |
| 375 | #endif |
| 376 | m_bSupportNVTextureEnvCombine4 = IsExtensionSupported("GL_NV_texture_env_combine4"); |
| 377 | |
| 378 | } |
| 379 | |
| 380 | bool COGLGraphicsContext::IsExtensionSupported(const char* pExtName) |
| 381 | { |
| 382 | if (strstr((const char*)m_pExtensionStr, pExtName) != NULL) |
| 383 | { |
| 384 | DebugMessage(M64MSG_VERBOSE, "OpenGL Extension '%s' is supported.", pExtName); |
| 385 | return true; |
| 386 | } |
| 387 | else |
| 388 | { |
| 389 | DebugMessage(M64MSG_VERBOSE, "OpenGL Extension '%s' is NOT supported.", pExtName); |
| 390 | return false; |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | bool COGLGraphicsContext::IsWglExtensionSupported(const char* pExtName) |
| 395 | { |
| 396 | if( m_pWglExtensionStr == NULL ) |
| 397 | return false; |
| 398 | |
| 399 | if( strstr((const char*)m_pWglExtensionStr, pExtName) != NULL ) |
| 400 | return true; |
| 401 | else |
| 402 | return false; |
| 403 | } |
| 404 | |
| 405 | |
| 406 | void COGLGraphicsContext::CleanUp() |
| 407 | { |
| 408 | #ifdef HAVE_GLES |
| 409 | EGL_Close(); |
| 410 | SDL_ShowCursor(SDL_ENABLE); |
| 411 | SDL_QuitSubSystem(SDL_INIT_VIDEO); |
| 412 | #else |
| 413 | CoreVideo_Quit(); |
| 414 | #endif |
| 415 | m_bReady = false; |
| 416 | } |
| 417 | |
| 418 | |
| 419 | void COGLGraphicsContext::Clear(ClearFlag dwFlags, uint32 color, float depth) |
| 420 | { |
| 421 | uint32 flag=0; |
| 422 | if( dwFlags&CLEAR_COLOR_BUFFER ) flag |= GL_COLOR_BUFFER_BIT; |
| 423 | if( dwFlags&CLEAR_DEPTH_BUFFER ) flag |= GL_DEPTH_BUFFER_BIT; |
| 424 | |
| 425 | float r = ((color>>16)&0xFF)/255.0f; |
| 426 | float g = ((color>> 8)&0xFF)/255.0f; |
| 427 | float b = ((color )&0xFF)/255.0f; |
| 428 | float a = ((color>>24)&0xFF)/255.0f; |
| 429 | glClearColor(r, g, b, a); |
| 430 | OPENGL_CHECK_ERRORS; |
| 431 | glClearDepth(depth); |
| 432 | OPENGL_CHECK_ERRORS; |
| 433 | glClear(flag); //Clear color buffer and depth buffer |
| 434 | OPENGL_CHECK_ERRORS; |
| 435 | } |
| 436 | |
| 437 | void COGLGraphicsContext::UpdateFrame(bool swaponly) |
| 438 | { |
| 439 | status.gFrameCount++; |
| 440 | |
| 441 | glFlush(); |
| 442 | OPENGL_CHECK_ERRORS; |
| 443 | //glFinish(); |
| 444 | //wglSwapIntervalEXT(0); |
| 445 | |
| 446 | /* |
| 447 | if (debuggerPauseCount == countToPause) |
| 448 | { |
| 449 | static int iShotNum = 0; |
| 450 | // get width, height, allocate buffer to store image |
| 451 | int width = windowSetting.uDisplayWidth; |
| 452 | int height = windowSetting.uDisplayHeight; |
| 453 | printf("Saving debug images: width=%i height=%i\n", width, height); |
| 454 | short *buffer = (short *) malloc(((width+3)&~3)*(height+1)*4); |
| 455 | glReadBuffer( GL_FRONT ); |
| 456 | // set up a BMGImage struct |
| 457 | struct BMGImageStruct img; |
| 458 | memset(&img, 0, sizeof(BMGImageStruct)); |
| 459 | InitBMGImage(&img); |
| 460 | img.bits = (unsigned char *) buffer; |
| 461 | img.bits_per_pixel = 32; |
| 462 | img.height = height; |
| 463 | img.width = width; |
| 464 | img.scan_width = width * 4; |
| 465 | // store the RGB color image |
| 466 | char chFilename[64]; |
| 467 | sprintf(chFilename, "dbg_rgb_%03i.png", iShotNum); |
| 468 | glReadPixels(0,0,width,height, GL_BGRA, GL_UNSIGNED_BYTE, buffer); |
| 469 | WritePNG(chFilename, img); |
| 470 | // store the Z buffer |
| 471 | sprintf(chFilename, "dbg_Z_%03i.png", iShotNum); |
| 472 | glReadPixels(0,0,width,height, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, buffer); |
| 473 | //img.bits_per_pixel = 16; |
| 474 | //img.scan_width = width * 2; |
| 475 | WritePNG(chFilename, img); |
| 476 | // dump a subset of the Z data |
| 477 | for (int y = 0; y < 480; y += 16) |
| 478 | { |
| 479 | for (int x = 0; x < 640; x+= 16) |
| 480 | printf("%4hx ", buffer[y*640 + x]); |
| 481 | printf("\n"); |
| 482 | } |
| 483 | printf("\n"); |
| 484 | // free memory and get out of here |
| 485 | free(buffer); |
| 486 | iShotNum++; |
| 487 | } |
| 488 | */ |
| 489 | |
| 490 | |
| 491 | // if emulator defined a render callback function, call it before buffer swap |
| 492 | if(renderCallback) |
| 493 | (*renderCallback)(status.bScreenIsDrawn); |
| 494 | #ifdef HAVE_GLES |
| 495 | EGL_SwapBuffers(); |
| 496 | #else |
| 497 | CoreVideo_GL_SwapBuffers(); |
| 498 | #endif |
| 499 | |
| 500 | /*if(options.bShowFPS) |
| 501 | { |
| 502 | static unsigned int lastTick=0; |
| 503 | static int frames=0; |
| 504 | unsigned int nowTick = SDL_GetTicks(); |
| 505 | frames++; |
| 506 | if(lastTick + 5000 <= nowTick) |
| 507 | { |
| 508 | char caption[200]; |
| 509 | sprintf(caption, "%s v%i.%i.%i - %.3f VI/S", PLUGIN_NAME, VERSION_PRINTF_SPLIT(PLUGIN_VERSION), frames/5.0); |
| 510 | CoreVideo_SetCaption(caption); |
| 511 | frames = 0; |
| 512 | lastTick = nowTick; |
| 513 | } |
| 514 | }*/ |
| 515 | |
| 516 | glDepthMask(GL_TRUE); |
| 517 | OPENGL_CHECK_ERRORS; |
| 518 | glClearDepth(1.0f); |
| 519 | OPENGL_CHECK_ERRORS; |
| 520 | if( !g_curRomInfo.bForceScreenClear ) |
| 521 | { |
| 522 | glClear(GL_DEPTH_BUFFER_BIT); |
| 523 | OPENGL_CHECK_ERRORS; |
| 524 | } |
| 525 | else |
| 526 | needCleanScene = true; |
| 527 | |
| 528 | status.bScreenIsDrawn = false; |
| 529 | } |
| 530 | |
| 531 | bool COGLGraphicsContext::SetFullscreenMode() |
| 532 | { |
| 533 | windowSetting.statusBarHeightToUse = 0; |
| 534 | windowSetting.toolbarHeightToUse = 0; |
| 535 | return true; |
| 536 | } |
| 537 | |
| 538 | bool COGLGraphicsContext::SetWindowMode() |
| 539 | { |
| 540 | windowSetting.statusBarHeightToUse = windowSetting.statusBarHeight; |
| 541 | windowSetting.toolbarHeightToUse = windowSetting.toolbarHeight; |
| 542 | return true; |
| 543 | } |
| 544 | int COGLGraphicsContext::ToggleFullscreen() |
| 545 | { |
| 546 | #ifndef HAVE_GLES |
| 547 | if (CoreVideo_ToggleFullScreen() == M64ERR_SUCCESS) |
| 548 | { |
| 549 | m_bWindowed = !m_bWindowed; |
| 550 | if(m_bWindowed) |
| 551 | SetWindowMode(); |
| 552 | else |
| 553 | SetFullscreenMode(); |
| 554 | } |
| 555 | #endif |
| 556 | return m_bWindowed?0:1; |
| 557 | } |
| 558 | |
| 559 | // This is a static function, will be called when the plugin DLL is initialized |
| 560 | void COGLGraphicsContext::InitDeviceParameters() |
| 561 | { |
| 562 | status.isVertexShaderEnabled = false; // Disable it for now |
| 563 | } |
| 564 | |
| 565 | // Get methods |
| 566 | bool COGLGraphicsContext::IsSupportAnisotropicFiltering() |
| 567 | { |
| 568 | return m_bSupportAnisotropicFiltering; |
| 569 | } |
| 570 | |
| 571 | int COGLGraphicsContext::getMaxAnisotropicFiltering() |
| 572 | { |
| 573 | return m_maxAnisotropicFiltering; |
| 574 | } |