292f9317 |
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 | |