| 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 | |
| 20 | #include "osal_opengl.h" |
| 21 | |
| 22 | #include "DeviceBuilder.h" |
| 23 | #include "FrameBuffer.h" |
| 24 | #include "OGLCombiner.h" |
| 25 | #include "OGLDebug.h" |
| 26 | #include "OGLExtRender.h" |
| 27 | #include "OGLGraphicsContext.h" |
| 28 | #include "OGLTexture.h" |
| 29 | #if SDL_VIDEO_OPENGL |
| 30 | #include "OGLCombinerNV.h" |
| 31 | #include "OGLCombinerTNT2.h" |
| 32 | #include "OGLExtensions.h" |
| 33 | #include "OGLFragmentShaders.h" |
| 34 | #elif SDL_VIDEO_OPENGL_ES2 |
| 35 | #include "OGLES2FragmentShaders.h" |
| 36 | #endif |
| 37 | |
| 38 | //======================================================================== |
| 39 | CDeviceBuilder* CDeviceBuilder::m_pInstance=NULL; |
| 40 | SupportedDeviceType CDeviceBuilder::m_deviceType = DIRECTX_DEVICE; |
| 41 | SupportedDeviceType CDeviceBuilder::m_deviceGeneralType = DIRECTX_DEVICE; |
| 42 | |
| 43 | CDeviceBuilder* CDeviceBuilder::GetBuilder(void) |
| 44 | { |
| 45 | if( m_pInstance == NULL ) |
| 46 | CreateBuilder(m_deviceType); |
| 47 | |
| 48 | return m_pInstance; |
| 49 | } |
| 50 | |
| 51 | void CDeviceBuilder::SelectDeviceType(SupportedDeviceType type) |
| 52 | { |
| 53 | if( type != m_deviceType && m_pInstance != NULL ) |
| 54 | { |
| 55 | DeleteBuilder(); |
| 56 | } |
| 57 | |
| 58 | CDeviceBuilder::m_deviceType = type; |
| 59 | switch(type) |
| 60 | { |
| 61 | case OGL_DEVICE: |
| 62 | case OGL_1_1_DEVICE: |
| 63 | case OGL_1_2_DEVICE: |
| 64 | case OGL_1_3_DEVICE: |
| 65 | case OGL_1_4_DEVICE: |
| 66 | case OGL_1_4_V2_DEVICE: |
| 67 | case OGL_TNT2_DEVICE: |
| 68 | case NVIDIA_OGL_DEVICE: |
| 69 | case OGL_FRAGMENT_PROGRAM: |
| 70 | CDeviceBuilder::m_deviceGeneralType = OGL_DEVICE; |
| 71 | break; |
| 72 | default: |
| 73 | break; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | SupportedDeviceType CDeviceBuilder::GetDeviceType(void) |
| 78 | { |
| 79 | return CDeviceBuilder::m_deviceType; |
| 80 | } |
| 81 | |
| 82 | SupportedDeviceType CDeviceBuilder::GetGeneralDeviceType(void) |
| 83 | { |
| 84 | return CDeviceBuilder::m_deviceGeneralType; |
| 85 | } |
| 86 | |
| 87 | CDeviceBuilder* CDeviceBuilder::CreateBuilder(SupportedDeviceType type) |
| 88 | { |
| 89 | if( m_pInstance == NULL ) |
| 90 | { |
| 91 | switch( type ) |
| 92 | { |
| 93 | case OGL_DEVICE: |
| 94 | case OGL_1_1_DEVICE: |
| 95 | case OGL_1_2_DEVICE: |
| 96 | case OGL_1_3_DEVICE: |
| 97 | case OGL_1_4_DEVICE: |
| 98 | case OGL_1_4_V2_DEVICE: |
| 99 | case OGL_TNT2_DEVICE: |
| 100 | case NVIDIA_OGL_DEVICE: |
| 101 | case OGL_FRAGMENT_PROGRAM: |
| 102 | m_pInstance = new OGLDeviceBuilder(); |
| 103 | break; |
| 104 | default: |
| 105 | DebugMessage(M64MSG_ERROR, "CreateBuilder: unknown OGL device type"); |
| 106 | exit(1); |
| 107 | } |
| 108 | |
| 109 | SAFE_CHECK(m_pInstance); |
| 110 | } |
| 111 | |
| 112 | return m_pInstance; |
| 113 | } |
| 114 | |
| 115 | void CDeviceBuilder::DeleteBuilder(void) |
| 116 | { |
| 117 | delete m_pInstance; |
| 118 | m_pInstance = NULL; |
| 119 | } |
| 120 | |
| 121 | CDeviceBuilder::CDeviceBuilder() : |
| 122 | m_pRender(NULL), |
| 123 | m_pGraphicsContext(NULL), |
| 124 | m_pColorCombiner(NULL), |
| 125 | m_pAlphaBlender(NULL) |
| 126 | { |
| 127 | } |
| 128 | |
| 129 | CDeviceBuilder::~CDeviceBuilder() |
| 130 | { |
| 131 | DeleteGraphicsContext(); |
| 132 | DeleteRender(); |
| 133 | DeleteColorCombiner(); |
| 134 | DeleteAlphaBlender(); |
| 135 | } |
| 136 | |
| 137 | void CDeviceBuilder::DeleteGraphicsContext(void) |
| 138 | { |
| 139 | if( m_pGraphicsContext != NULL ) |
| 140 | { |
| 141 | delete m_pGraphicsContext; |
| 142 | CGraphicsContext::g_pGraphicsContext = m_pGraphicsContext = NULL; |
| 143 | } |
| 144 | |
| 145 | SAFE_DELETE(g_pFrameBufferManager); |
| 146 | } |
| 147 | |
| 148 | void CDeviceBuilder::DeleteRender(void) |
| 149 | { |
| 150 | if( m_pRender != NULL ) |
| 151 | { |
| 152 | delete m_pRender; |
| 153 | CRender::g_pRender = m_pRender = NULL; |
| 154 | CRender::gRenderReferenceCount = 0; |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | void CDeviceBuilder::DeleteColorCombiner(void) |
| 159 | { |
| 160 | if( m_pColorCombiner != NULL ) |
| 161 | { |
| 162 | delete m_pColorCombiner; |
| 163 | m_pColorCombiner = NULL; |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | void CDeviceBuilder::DeleteAlphaBlender(void) |
| 168 | { |
| 169 | if( m_pAlphaBlender != NULL ) |
| 170 | { |
| 171 | delete m_pAlphaBlender; |
| 172 | m_pAlphaBlender = NULL; |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | |
| 177 | //======================================================================== |
| 178 | |
| 179 | CGraphicsContext * OGLDeviceBuilder::CreateGraphicsContext(void) |
| 180 | { |
| 181 | if( m_pGraphicsContext == NULL ) |
| 182 | { |
| 183 | m_pGraphicsContext = new COGLGraphicsContext(); |
| 184 | SAFE_CHECK(m_pGraphicsContext); |
| 185 | CGraphicsContext::g_pGraphicsContext = m_pGraphicsContext; |
| 186 | } |
| 187 | |
| 188 | g_pFrameBufferManager = new FrameBufferManager; |
| 189 | return m_pGraphicsContext; |
| 190 | } |
| 191 | |
| 192 | CRender * OGLDeviceBuilder::CreateRender(void) |
| 193 | { |
| 194 | if( m_pRender == NULL ) |
| 195 | { |
| 196 | if( CGraphicsContext::g_pGraphicsContext == NULL && CGraphicsContext::g_pGraphicsContext->Ready() ) |
| 197 | { |
| 198 | DebugMessage(M64MSG_ERROR, "Can not create ColorCombiner before creating and initializing GraphicsContext"); |
| 199 | m_pRender = NULL; |
| 200 | SAFE_CHECK(m_pRender); |
| 201 | } |
| 202 | |
| 203 | COGLGraphicsContext &context = *((COGLGraphicsContext*)CGraphicsContext::g_pGraphicsContext); |
| 204 | |
| 205 | if( context.m_bSupportMultiTexture ) |
| 206 | { |
| 207 | // OGL extension render |
| 208 | m_pRender = new COGLExtRender(); |
| 209 | } |
| 210 | else |
| 211 | { |
| 212 | // Basic OGL Render |
| 213 | m_pRender = new OGLRender(); |
| 214 | } |
| 215 | SAFE_CHECK(m_pRender); |
| 216 | CRender::g_pRender = m_pRender; |
| 217 | } |
| 218 | |
| 219 | return m_pRender; |
| 220 | } |
| 221 | |
| 222 | CTexture * OGLDeviceBuilder::CreateTexture(uint32 dwWidth, uint32 dwHeight, TextureUsage usage) |
| 223 | { |
| 224 | COGLTexture *txtr = new COGLTexture(dwWidth, dwHeight, usage); |
| 225 | if( txtr->m_pTexture == NULL ) |
| 226 | { |
| 227 | delete txtr; |
| 228 | TRACE0("Cannot create new texture, out of video memory"); |
| 229 | return NULL; |
| 230 | } |
| 231 | else |
| 232 | return txtr; |
| 233 | } |
| 234 | |
| 235 | CColorCombiner * OGLDeviceBuilder::CreateColorCombiner(CRender *pRender) |
| 236 | { |
| 237 | if( m_pColorCombiner == NULL ) |
| 238 | { |
| 239 | if( CGraphicsContext::g_pGraphicsContext == NULL && CGraphicsContext::g_pGraphicsContext->Ready() ) |
| 240 | { |
| 241 | DebugMessage(M64MSG_ERROR, "Can not create ColorCombiner before creating and initializing GraphicsContext"); |
| 242 | } |
| 243 | else |
| 244 | { |
| 245 | m_deviceType = (SupportedDeviceType)options.OpenglRenderSetting; |
| 246 | |
| 247 | #if SDL_VIDEO_OPENGL |
| 248 | |
| 249 | if (m_deviceType == NVIDIA_OGL_DEVICE && !bNvidiaExtensionsSupported) |
| 250 | { |
| 251 | DebugMessage(M64MSG_WARNING, "Your video card does not support Nvidia OpenGL extensions. Falling back to auto device."); |
| 252 | m_deviceType = OGL_DEVICE; |
| 253 | } |
| 254 | if( m_deviceType == OGL_DEVICE ) // Best fit |
| 255 | { |
| 256 | GLint maxUnit = 2; |
| 257 | COGLGraphicsContext *pcontext = (COGLGraphicsContext *)(CGraphicsContext::g_pGraphicsContext); |
| 258 | glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB,&maxUnit); |
| 259 | OPENGL_CHECK_ERRORS; |
| 260 | |
| 261 | if( pcontext->IsExtensionSupported("GL_ARB_fragment_program") ) |
| 262 | { |
| 263 | m_pColorCombiner = new COGL_FragmentProgramCombiner(pRender); |
| 264 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: Fragment Program"); |
| 265 | } |
| 266 | else if( pcontext->IsExtensionSupported("GL_NV_texture_env_combine4") || |
| 267 | pcontext->IsExtensionSupported("GL_NV_register_combiners") ) |
| 268 | { |
| 269 | m_pColorCombiner = new COGLColorCombinerNvidia(pRender); |
| 270 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: NVidia"); |
| 271 | } |
| 272 | else if( pcontext->IsExtensionSupported("GL_NV_texture_env_combine4") ) |
| 273 | { |
| 274 | m_pColorCombiner = new COGLColorCombinerTNT2(pRender); |
| 275 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: TNT2"); |
| 276 | } |
| 277 | else if( pcontext->IsExtensionSupported("GL_EXT_texture_env_combine") || |
| 278 | pcontext->IsExtensionSupported("GL_ARB_texture_env_combine") ) |
| 279 | { |
| 280 | if( pcontext->IsExtensionSupported("GL_ARB_texture_env_crossbar") ) |
| 281 | { |
| 282 | if( maxUnit > 2 ) |
| 283 | { |
| 284 | m_pColorCombiner = new COGLColorCombiner4v2(pRender); |
| 285 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: OGL 1.4 version 2"); |
| 286 | } |
| 287 | else |
| 288 | { |
| 289 | m_pColorCombiner = new COGLColorCombiner4(pRender); |
| 290 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: OGL 1.4"); |
| 291 | } |
| 292 | } |
| 293 | else |
| 294 | { |
| 295 | if( maxUnit > 2 ) |
| 296 | { |
| 297 | m_pColorCombiner = new COGLColorCombiner4v2(pRender); |
| 298 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: OGL 1.4 version 2 (w/o env crossbar)"); |
| 299 | } |
| 300 | else |
| 301 | { |
| 302 | m_pColorCombiner = new COGLColorCombiner2(pRender); |
| 303 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: OGL 1.2/1.3"); |
| 304 | } |
| 305 | } |
| 306 | } |
| 307 | else |
| 308 | { |
| 309 | m_pColorCombiner = new COGLColorCombiner(pRender); |
| 310 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: Basic OGL"); |
| 311 | } |
| 312 | } |
| 313 | else |
| 314 | { |
| 315 | switch(m_deviceType) |
| 316 | { |
| 317 | case OGL_1_1_DEVICE: |
| 318 | m_pColorCombiner = new COGLColorCombiner(pRender); |
| 319 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: Basic OGL"); |
| 320 | break; |
| 321 | case OGL_1_2_DEVICE: |
| 322 | case OGL_1_3_DEVICE: |
| 323 | m_pColorCombiner = new COGLColorCombiner2(pRender); |
| 324 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: OGL 1.2/1.3"); |
| 325 | break; |
| 326 | case OGL_1_4_DEVICE: |
| 327 | m_pColorCombiner = new COGLColorCombiner4(pRender); |
| 328 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: OGL 1.4"); |
| 329 | break; |
| 330 | case OGL_1_4_V2_DEVICE: |
| 331 | m_pColorCombiner = new COGLColorCombiner4v2(pRender); |
| 332 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: OGL 1.4 Version 2"); |
| 333 | break; |
| 334 | case OGL_TNT2_DEVICE: |
| 335 | m_pColorCombiner = new COGLColorCombinerTNT2(pRender); |
| 336 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: TNT2"); |
| 337 | break; |
| 338 | case NVIDIA_OGL_DEVICE: |
| 339 | m_pColorCombiner = new COGLColorCombinerNvidia(pRender); |
| 340 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: Nvidia"); |
| 341 | break; |
| 342 | case OGL_FRAGMENT_PROGRAM: |
| 343 | m_pColorCombiner = new COGL_FragmentProgramCombiner(pRender); |
| 344 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: Fragment Program"); |
| 345 | break; |
| 346 | default: |
| 347 | break; |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | #elif SDL_VIDEO_OPENGL_ES2 |
| 352 | m_pColorCombiner = new COGL_FragmentProgramCombiner(pRender); |
| 353 | DebugMessage(M64MSG_VERBOSE, "OpenGL Combiner: Fragment Program"); |
| 354 | #endif |
| 355 | } |
| 356 | |
| 357 | SAFE_CHECK(m_pColorCombiner); |
| 358 | } |
| 359 | |
| 360 | return m_pColorCombiner; |
| 361 | } |
| 362 | |
| 363 | CBlender * OGLDeviceBuilder::CreateAlphaBlender(CRender *pRender) |
| 364 | { |
| 365 | if( m_pAlphaBlender == NULL ) |
| 366 | { |
| 367 | m_pAlphaBlender = new COGLBlender(pRender); |
| 368 | SAFE_CHECK(m_pAlphaBlender); |
| 369 | } |
| 370 | |
| 371 | return m_pAlphaBlender; |
| 372 | } |
| 373 | |