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b311480e | 1 | // Created on: 2011-07-13 |
2 | // Created by: Sergey ZERCHANINOV | |
de75ed09 | 3 | // Copyright (c) 2011-2013 OPEN CASCADE SAS |
b311480e | 4 | // |
5 | // The content of this file is subject to the Open CASCADE Technology Public | |
6 | // License Version 6.5 (the "License"). You may not use the content of this file | |
7 | // except in compliance with the License. Please obtain a copy of the License | |
8 | // at http://www.opencascade.org and read it completely before using this file. | |
9 | // | |
10 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its | |
11 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. | |
12 | // | |
13 | // The Original Code and all software distributed under the License is | |
14 | // distributed on an "AS IS" basis, without warranty of any kind, and the | |
15 | // Initial Developer hereby disclaims all such warranties, including without | |
16 | // limitation, any warranties of merchantability, fitness for a particular | |
17 | // purpose or non-infringement. Please see the License for the specific terms | |
18 | // and conditions governing the rights and limitations under the License. | |
19 | ||
5e27df78 | 20 | #include <OpenGl_IndexBuffer.hxx> |
5f8b738e | 21 | #include <OpenGl_Context.hxx> |
22 | ||
2166f0fa | 23 | #include <OpenGl_PrimitiveArray.hxx> |
7fd59977 | 24 | |
2166f0fa SK |
25 | #include <OpenGl_AspectFace.hxx> |
26 | #include <OpenGl_GraphicDriver.hxx> | |
a577aaab | 27 | #include <OpenGl_PointSprite.hxx> |
2166f0fa | 28 | #include <OpenGl_Structure.hxx> |
bf75be98 | 29 | #include <OpenGl_Workspace.hxx> |
2166f0fa | 30 | |
7fd59977 | 31 | #include <InterfaceGraphic_PrimitiveArray.hxx> |
2166f0fa | 32 | |
2166f0fa SK |
33 | // ======================================================================= |
34 | // function : clearMemoryOwn | |
35 | // purpose : | |
36 | // ======================================================================= | |
37 | void OpenGl_PrimitiveArray::clearMemoryOwn() const | |
7fd59977 | 38 | { |
5e27df78 | 39 | Standard::Free ((Standard_Address& )myPArray->edges); |
40 | Standard::Free ((Standard_Address& )myPArray->vertices); | |
41 | Standard::Free ((Standard_Address& )myPArray->vcolours); | |
42 | Standard::Free ((Standard_Address& )myPArray->vnormals); | |
43 | Standard::Free ((Standard_Address& )myPArray->vtexels); | |
44 | Standard::Free ((Standard_Address& )myPArray->edge_vis); /// ??? | |
45 | ||
46 | myPArray->edges = NULL; | |
47 | myPArray->vertices = NULL; | |
48 | myPArray->vcolours = NULL; | |
49 | myPArray->vnormals = NULL; | |
50 | myPArray->vtexels = NULL; | |
51 | myPArray->edge_vis = NULL; | |
7fd59977 | 52 | } |
53 | ||
2166f0fa SK |
54 | // ======================================================================= |
55 | // function : clearMemoryGL | |
56 | // purpose : | |
57 | // ======================================================================= | |
5e27df78 | 58 | void OpenGl_PrimitiveArray::clearMemoryGL (const Handle(OpenGl_Context)& theGlCtx) const |
7fd59977 | 59 | { |
5e27df78 | 60 | for (Standard_Integer anIter = 0; anIter < VBOMaxType; ++anIter) |
2166f0fa | 61 | { |
5e27df78 | 62 | if (!myVbos[anIter].IsNull()) |
63 | { | |
64 | myVbos[anIter]->Release (theGlCtx.operator->()); | |
65 | myVbos[anIter].Nullify(); | |
66 | } | |
2166f0fa | 67 | } |
7fd59977 | 68 | } |
69 | ||
2166f0fa | 70 | // ======================================================================= |
5e27df78 | 71 | // function : BuildVBO |
2166f0fa SK |
72 | // purpose : |
73 | // ======================================================================= | |
5e27df78 | 74 | Standard_Boolean OpenGl_PrimitiveArray::BuildVBO (const Handle(OpenGl_Workspace)& theWorkspace) const |
7fd59977 | 75 | { |
5e27df78 | 76 | const Handle(OpenGl_Context)& aGlCtx = theWorkspace->GetGlContext(); |
77 | if (myPArray->vertices == NULL) | |
2166f0fa | 78 | { |
5e27df78 | 79 | // vertices should be always defined - others are optional |
80 | return Standard_False; | |
2166f0fa | 81 | } |
5e27df78 | 82 | myVbos[VBOVertices] = new OpenGl_VertexBuffer(); |
83 | if (!myVbos[VBOVertices]->Init (aGlCtx, 3, myPArray->num_vertexs, &myPArray->vertices[0].xyz[0])) | |
2166f0fa | 84 | { |
5e27df78 | 85 | clearMemoryGL (aGlCtx); |
86 | return Standard_False; | |
2166f0fa | 87 | } |
7fd59977 | 88 | |
ee1e83b9 | 89 | if (myPArray->edges != NULL |
90 | && myPArray->num_edges > 0) | |
2166f0fa | 91 | { |
5e27df78 | 92 | myVbos[VBOEdges] = new OpenGl_IndexBuffer(); |
93 | if (!myVbos[VBOEdges]->Init (aGlCtx, 1, myPArray->num_edges, (GLuint* )myPArray->edges)) | |
94 | { | |
95 | clearMemoryGL (aGlCtx); | |
2166f0fa | 96 | return Standard_False; |
5e27df78 | 97 | } |
7fd59977 | 98 | } |
2166f0fa SK |
99 | if (myPArray->vcolours != NULL) |
100 | { | |
5e27df78 | 101 | myVbos[VBOVcolours] = new OpenGl_VertexBuffer(); |
102 | if (!myVbos[VBOVcolours]->Init (aGlCtx, 4, myPArray->num_vertexs, (GLubyte* )myPArray->vcolours)) | |
103 | { | |
104 | clearMemoryGL (aGlCtx); | |
2166f0fa | 105 | return Standard_False; |
5e27df78 | 106 | } |
7fd59977 | 107 | } |
2166f0fa SK |
108 | if (myPArray->vnormals != NULL) |
109 | { | |
5e27df78 | 110 | myVbos[VBOVnormals] = new OpenGl_VertexBuffer(); |
111 | if (!myVbos[VBOVnormals]->Init (aGlCtx, 3, myPArray->num_vertexs, &myPArray->vnormals[0].xyz[0])) | |
112 | { | |
113 | clearMemoryGL (aGlCtx); | |
2166f0fa | 114 | return Standard_False; |
5e27df78 | 115 | } |
7fd59977 | 116 | } |
2166f0fa SK |
117 | if (myPArray->vtexels) |
118 | { | |
5e27df78 | 119 | myVbos[VBOVtexels] = new OpenGl_VertexBuffer(); |
120 | if (!myVbos[VBOVtexels]->Init (aGlCtx, 2, myPArray->num_vertexs, &myPArray->vtexels[0].xy[0])) | |
121 | { | |
122 | clearMemoryGL (aGlCtx); | |
2166f0fa | 123 | return Standard_False; |
5e27df78 | 124 | } |
2166f0fa | 125 | } |
7fd59977 | 126 | |
5e27df78 | 127 | clearMemoryOwn(); |
2166f0fa | 128 | return Standard_True; |
7fd59977 | 129 | } |
130 | ||
2166f0fa SK |
131 | // ======================================================================= |
132 | // function : DrawArray | |
133 | // purpose : | |
134 | // ======================================================================= | |
135 | void OpenGl_PrimitiveArray::DrawArray (Tint theLightingModel, | |
136 | const Aspect_InteriorStyle theInteriorStyle, | |
137 | Tint theEdgeFlag, | |
138 | const TEL_COLOUR* theInteriorColour, | |
139 | const TEL_COLOUR* theLineColour, | |
140 | const TEL_COLOUR* theEdgeColour, | |
141 | const OPENGL_SURF_PROP* theFaceProp, | |
142 | const Handle(OpenGl_Workspace)& theWorkspace) const | |
7fd59977 | 143 | { |
2166f0fa SK |
144 | const Handle(OpenGl_Context)& aGlContext = theWorkspace->GetGlContext(); |
145 | ||
7fd59977 | 146 | Tint i,n; |
147 | Tint transp = 0; | |
2166f0fa SK |
148 | // Following pointers have been provided for performance improvement |
149 | tel_colour pfc = myPArray->fcolours; | |
150 | Tint* pvc = myPArray->vcolours; | |
151 | if (pvc != NULL) | |
152 | { | |
153 | for (i = 0; i < myPArray->num_vertexs; ++i) | |
154 | { | |
155 | transp = int(theFaceProp->trans * 255.0f); | |
bf75be98 | 156 | #if defined (sparc) || defined (__sparc__) || defined (__sparc) |
2166f0fa SK |
157 | pvc[i] = (pvc[i] & 0xffffff00); |
158 | pvc[i] += transp; | |
bf75be98 | 159 | #else |
2166f0fa | 160 | pvc[i] = (pvc[i] & 0x00ffffff); |
7fd59977 | 161 | pvc[i] += transp << 24; |
2166f0fa | 162 | #endif |
7fd59977 | 163 | } |
164 | } | |
7fd59977 | 165 | |
2166f0fa SK |
166 | switch (myPArray->type) |
167 | { | |
7fd59977 | 168 | case TelPointsArrayType: |
7fd59977 | 169 | case TelPolylinesArrayType: |
7fd59977 | 170 | case TelSegmentsArrayType: |
2166f0fa | 171 | glColor3fv (theLineColour->rgb); |
7fd59977 | 172 | break; |
173 | case TelPolygonsArrayType: | |
7fd59977 | 174 | case TelTrianglesArrayType: |
7fd59977 | 175 | case TelQuadranglesArrayType: |
7fd59977 | 176 | case TelTriangleStripsArrayType: |
7fd59977 | 177 | case TelQuadrangleStripsArrayType: |
7fd59977 | 178 | case TelTriangleFansArrayType: |
2166f0fa | 179 | glColor3fv (theInteriorColour->rgb); |
7fd59977 | 180 | break; |
7fd59977 | 181 | } |
182 | ||
2166f0fa SK |
183 | // Temporarily disable environment mapping |
184 | if (myDrawMode <= GL_LINE_STRIP) | |
185 | { | |
186 | glPushAttrib (GL_ENABLE_BIT); | |
187 | glDisable (GL_TEXTURE_1D); | |
188 | glDisable (GL_TEXTURE_2D); | |
7fd59977 | 189 | } |
190 | ||
de75ed09 | 191 | if ((myDrawMode > GL_LINE_STRIP && theInteriorStyle != Aspect_IS_EMPTY) || |
192 | (myDrawMode <= GL_LINE_STRIP)) | |
2166f0fa SK |
193 | { |
194 | if (theWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT) | |
195 | { | |
7fd59977 | 196 | pfc = NULL; |
197 | pvc = NULL; | |
198 | } | |
199 | ||
2166f0fa SK |
200 | if (theInteriorStyle == Aspect_IS_HIDDENLINE) |
201 | { | |
202 | theEdgeFlag = 1; | |
7fd59977 | 203 | pfc = NULL; |
204 | pvc = NULL; | |
205 | } | |
206 | ||
2166f0fa | 207 | // Sometimes the GL_LIGHTING mode is activated here |
bf75be98 | 208 | // without glEnable(GL_LIGHTING) call for an unknown reason, so it is necessary |
2166f0fa SK |
209 | // to call glEnable(GL_LIGHTING) to synchronize Light On/Off mechanism* |
210 | if (theLightingModel == 0 || myDrawMode <= GL_LINE_STRIP) | |
211 | glDisable (GL_LIGHTING); | |
212 | else | |
213 | glEnable (GL_LIGHTING); | |
214 | ||
5e27df78 | 215 | if (!toDrawVbo()) |
2166f0fa SK |
216 | { |
217 | if (myPArray->vertices != NULL) | |
218 | { | |
219 | glVertexPointer (3, GL_FLOAT, 0, myPArray->vertices); // array of vertices | |
220 | glEnableClientState (GL_VERTEX_ARRAY); | |
221 | } | |
222 | if (myPArray->vnormals != NULL) | |
223 | { | |
224 | glNormalPointer (GL_FLOAT, 0, myPArray->vnormals); // array of normals | |
225 | glEnableClientState (GL_NORMAL_ARRAY); | |
226 | } | |
227 | if (myPArray->vtexels != NULL) | |
228 | { | |
229 | glTexCoordPointer (2, GL_FLOAT, 0, myPArray->vtexels); // array of texture coordinates | |
230 | glEnableClientState (GL_TEXTURE_COORD_ARRAY); | |
231 | } | |
7fd59977 | 232 | |
a577aaab | 233 | if ((pvc != NULL) && (theWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT) == 0) |
2166f0fa SK |
234 | { |
235 | glColorPointer (4, GL_UNSIGNED_BYTE, 0, pvc); // array of colors | |
236 | glEnableClientState (GL_COLOR_ARRAY); | |
237 | glColorMaterial (GL_FRONT_AND_BACK,GL_AMBIENT_AND_DIFFUSE); | |
238 | glEnable (GL_COLOR_MATERIAL); | |
7fd59977 | 239 | } |
240 | } | |
5e27df78 | 241 | else |
2166f0fa SK |
242 | { |
243 | // Bindings concrete pointer in accordance with VBO buffer | |
5e27df78 | 244 | myVbos[VBOVertices]->BindFixed (aGlContext, GL_VERTEX_ARRAY); |
245 | if (!myVbos[VBOVnormals].IsNull()) | |
2166f0fa | 246 | { |
5e27df78 | 247 | myVbos[VBOVnormals]->BindFixed (aGlContext, GL_NORMAL_ARRAY); |
7fd59977 | 248 | } |
5e27df78 | 249 | if (!myVbos[VBOVtexels].IsNull() && (theWorkspace->NamedStatus & OPENGL_NS_FORBIDSETTEX) == 0) |
2166f0fa | 250 | { |
5e27df78 | 251 | myVbos[VBOVtexels]->BindFixed (aGlContext, GL_TEXTURE_COORD_ARRAY); |
7fd59977 | 252 | } |
a577aaab | 253 | if (!myVbos[VBOVcolours].IsNull() && (theWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT) == 0) |
2166f0fa | 254 | { |
5e27df78 | 255 | myVbos[VBOVcolours]->BindFixed (aGlContext, GL_COLOR_ARRAY); |
256 | glColorMaterial (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE); | |
2166f0fa | 257 | glEnable (GL_COLOR_MATERIAL); |
7fd59977 | 258 | } |
259 | } | |
2166f0fa | 260 | |
5e27df78 | 261 | /// OCC22236 NOTE: draw for all situations: |
262 | /// 1) draw elements from myPArray->bufferVBO[VBOEdges] indicies array | |
263 | /// 2) draw elements from vertice array, when bounds defines count of primitive's verts. | |
264 | /// 3) draw primitive by vertexes if no edges and bounds array is specified | |
265 | if (toDrawVbo()) | |
2166f0fa | 266 | { |
5e27df78 | 267 | if (!myVbos[VBOEdges].IsNull()) |
2166f0fa | 268 | { |
5e27df78 | 269 | myVbos[VBOEdges]->Bind (aGlContext); |
2166f0fa SK |
270 | if (myPArray->num_bounds > 0) |
271 | { | |
272 | // draw primitives by vertex count with the indicies | |
273 | Tint* anOffset = NULL; | |
274 | for (i = 0; i < myPArray->num_bounds; ++i) | |
275 | { | |
7cc2d520 | 276 | if (pfc != NULL) glColor3fv (pfc[i].rgb); |
5e27df78 | 277 | glDrawElements (myDrawMode, myPArray->bounds[i], myVbos[VBOEdges]->GetDataType(), anOffset); |
bf75be98 | 278 | anOffset += myPArray->bounds[i]; |
762aacae A |
279 | } |
280 | } | |
2166f0fa SK |
281 | else |
282 | { | |
283 | // draw one (or sequential) primitive by the indicies | |
5e27df78 | 284 | glDrawElements (myDrawMode, myPArray->num_edges, myVbos[VBOEdges]->GetDataType(), NULL); |
762aacae | 285 | } |
5e27df78 | 286 | myVbos[VBOEdges]->Unbind (aGlContext); |
7fd59977 | 287 | } |
2166f0fa SK |
288 | else if (myPArray->num_bounds > 0) |
289 | { | |
290 | for (i = n = 0; i < myPArray->num_bounds; ++i) | |
291 | { | |
7cc2d520 | 292 | if (pfc != NULL) glColor3fv (pfc[i].rgb); |
2166f0fa SK |
293 | glDrawArrays (myDrawMode, n, myPArray->bounds[i]); |
294 | n += myPArray->bounds[i]; | |
7fd59977 | 295 | } |
296 | } | |
2166f0fa SK |
297 | else |
298 | { | |
a577aaab | 299 | if (myDrawMode == GL_POINTS) |
300 | { | |
301 | DrawMarkers (theWorkspace); | |
302 | } | |
303 | else | |
304 | { | |
305 | glDrawArrays (myDrawMode, 0, myVbos[VBOVertices]->GetElemsNb()); | |
306 | } | |
762aacae A |
307 | } |
308 | ||
2166f0fa | 309 | // bind with 0 |
5e27df78 | 310 | myVbos[VBOVertices]->UnbindFixed (aGlContext, GL_VERTEX_ARRAY); |
311 | if (!myVbos[VBOVnormals].IsNull()) | |
312 | { | |
313 | myVbos[VBOVnormals]->UnbindFixed (aGlContext, GL_NORMAL_ARRAY); | |
314 | } | |
315 | if (!myVbos[VBOVtexels].IsNull() && (theWorkspace->NamedStatus & OPENGL_NS_FORBIDSETTEX) == 0) | |
316 | { | |
317 | myVbos[VBOVtexels]->UnbindFixed (aGlContext, GL_TEXTURE_COORD_ARRAY); | |
318 | } | |
319 | if (!myVbos[VBOVcolours].IsNull()) | |
320 | { | |
321 | myVbos[VBOVcolours]->UnbindFixed (aGlContext, GL_COLOR_ARRAY); | |
322 | glDisable (GL_COLOR_MATERIAL); | |
323 | theWorkspace->NamedStatus |= OPENGL_NS_RESMAT; // Reset material | |
324 | } | |
bf75be98 | 325 | } |
2166f0fa SK |
326 | else |
327 | { | |
328 | if (myPArray->num_bounds > 0) | |
329 | { | |
330 | if (myPArray->num_edges > 0) | |
331 | { | |
332 | for (i = n = 0; i < myPArray->num_bounds; ++i) | |
333 | { | |
334 | if (pfc != NULL) glColor3fv (pfc[i].rgb); | |
5e27df78 | 335 | glDrawElements (myDrawMode, myPArray->bounds[i], GL_UNSIGNED_INT, (GLenum* )&myPArray->edges[n]); |
2166f0fa SK |
336 | n += myPArray->bounds[i]; |
337 | } | |
338 | } | |
339 | else | |
340 | { | |
341 | for (i = n = 0; i < myPArray->num_bounds; ++i) | |
342 | { | |
7cc2d520 | 343 | if (pfc != NULL) glColor3fv (pfc[i].rgb); |
5e27df78 | 344 | glDrawArrays (myDrawMode, n, myPArray->bounds[i]); |
2166f0fa SK |
345 | n += myPArray->bounds[i]; |
346 | } | |
7fd59977 | 347 | } |
2166f0fa SK |
348 | } |
349 | else if (myPArray->num_edges > 0) | |
350 | { | |
5e27df78 | 351 | glDrawElements (myDrawMode, myPArray->num_edges, GL_UNSIGNED_INT, (GLenum* )myPArray->edges); |
2166f0fa SK |
352 | } |
353 | else | |
354 | { | |
a577aaab | 355 | if (myDrawMode == GL_POINTS) |
356 | { | |
357 | DrawMarkers (theWorkspace); | |
358 | } | |
359 | else | |
360 | { | |
361 | glDrawArrays (myDrawMode, 0, myPArray->num_vertexs); | |
362 | } | |
2166f0fa | 363 | } |
7fd59977 | 364 | |
5e27df78 | 365 | if (pvc != NULL) |
366 | { | |
367 | glDisable (GL_COLOR_MATERIAL); | |
368 | theWorkspace->NamedStatus |= OPENGL_NS_RESMAT; // Reset material | |
369 | } | |
2166f0fa | 370 | |
2166f0fa | 371 | glDisableClientState (GL_VERTEX_ARRAY); |
5e27df78 | 372 | if (myPArray->vcolours != NULL) |
373 | glDisableClientState (GL_COLOR_ARRAY); | |
374 | if (myPArray->vnormals != NULL) | |
375 | glDisableClientState (GL_NORMAL_ARRAY); | |
376 | if (myPArray->vtexels != NULL) | |
377 | glDisableClientState (GL_TEXTURE_COORD_ARRAY); | |
378 | } | |
7fd59977 | 379 | } |
380 | ||
de75ed09 | 381 | // On some NVIDIA graphic cards, using glEdgeFlagPointer() in |
382 | // combination with VBO (edge flag data put into a VBO buffer) | |
383 | // leads to a crash in a driver. Therefore, edge flags are simply | |
384 | // igonored when VBOs are enabled, so all the edges are drawn if | |
385 | // edge visibility is turned on. In order to draw edges selectively, | |
386 | // either disable VBO or turn off edge visibilty in the current | |
387 | // primitive array and create a separate primitive array (segments) | |
388 | // and put edges to be drawn into it. | |
389 | if (theEdgeFlag && myDrawMode > GL_LINE_STRIP) | |
2166f0fa | 390 | { |
de75ed09 | 391 | DrawEdges (theEdgeColour, theWorkspace); |
2166f0fa SK |
392 | } |
393 | ||
394 | if (myDrawMode <= GL_LINE_STRIP) | |
7fd59977 | 395 | glPopAttrib(); |
396 | } | |
397 | ||
2166f0fa SK |
398 | // ======================================================================= |
399 | // function : DrawEdges | |
400 | // purpose : | |
401 | // ======================================================================= | |
402 | void OpenGl_PrimitiveArray::DrawEdges (const TEL_COLOUR* theEdgeColour, | |
403 | const Handle(OpenGl_Workspace)& theWorkspace) const | |
7fd59977 | 404 | { |
2166f0fa | 405 | glDisable (GL_LIGHTING); |
7fd59977 | 406 | |
2166f0fa SK |
407 | const Handle(OpenGl_Context)& aGlContext = theWorkspace->GetGlContext(); |
408 | const OpenGl_AspectLine* anAspectLineOld = NULL; | |
409 | if (myDrawMode > GL_LINE_STRIP) | |
410 | { | |
411 | anAspectLineOld = theWorkspace->SetAspectLine (theWorkspace->AspectFace (Standard_True)->AspectEdge()); | |
412 | theWorkspace->AspectLine (Standard_True); | |
7fd59977 | 413 | |
2166f0fa SK |
414 | glPushAttrib (GL_POLYGON_BIT); |
415 | glPolygonMode (GL_FRONT_AND_BACK, GL_LINE); | |
416 | } | |
7fd59977 | 417 | |
2166f0fa | 418 | Tint i, j, n; |
7fd59977 | 419 | |
5e27df78 | 420 | /// OCC22236 NOTE: draw edges for all situations: |
421 | /// 1) draw elements with GL_LINE style as edges from myPArray->bufferVBO[VBOEdges] indicies array | |
422 | /// 2) draw elements from vertice array, when bounds defines count of primitive's verts. | |
423 | /// 3) draw primitive's edges by vertexes if no edges and bounds array is specified | |
424 | if (toDrawVbo()) | |
bf75be98 | 425 | { |
5e27df78 | 426 | myVbos[VBOVertices]->BindFixed (aGlContext, GL_VERTEX_ARRAY); |
2166f0fa | 427 | glColor3fv (theEdgeColour->rgb); |
5e27df78 | 428 | if (!myVbos[VBOEdges].IsNull()) |
2166f0fa | 429 | { |
5e27df78 | 430 | myVbos[VBOEdges]->Bind (aGlContext); |
2166f0fa | 431 | |
762aacae | 432 | // draw primitives by vertex count with the indicies |
2166f0fa SK |
433 | if (myPArray->num_bounds > 0) |
434 | { | |
762aacae | 435 | Tint* offset = 0; |
2166f0fa SK |
436 | for (i = 0, offset = 0; i < myPArray->num_bounds; ++i) |
437 | { | |
5e27df78 | 438 | glDrawElements (myDrawMode, myPArray->bounds[i], myVbos[VBOEdges]->GetDataType(), offset); |
2166f0fa | 439 | offset += myPArray->bounds[i]; |
762aacae A |
440 | } |
441 | } | |
442 | // draw one (or sequential) primitive by the indicies | |
2166f0fa SK |
443 | else |
444 | { | |
5e27df78 | 445 | glDrawElements (myDrawMode, myVbos[VBOEdges]->GetElemsNb(), myVbos[VBOEdges]->GetDataType(), NULL); |
762aacae | 446 | } |
5e27df78 | 447 | myVbos[VBOEdges]->Unbind (aGlContext); |
7fd59977 | 448 | } |
2166f0fa SK |
449 | else if (myPArray->num_bounds > 0) |
450 | { | |
451 | for (i = n = 0; i < myPArray->num_bounds; ++i) | |
452 | { | |
453 | glDrawArrays (myDrawMode, n, myPArray->bounds[i]); | |
454 | n += myPArray->bounds[i]; | |
7fd59977 | 455 | } |
456 | } | |
2166f0fa SK |
457 | else |
458 | { | |
459 | glDrawArrays (myDrawMode, 0, myPArray->num_vertexs); | |
762aacae A |
460 | } |
461 | ||
462 | // unbind buffers | |
5e27df78 | 463 | myVbos[VBOVertices]->UnbindFixed (aGlContext, GL_VERTEX_ARRAY); |
2166f0fa SK |
464 | } |
465 | else | |
466 | { | |
467 | glEnableClientState (GL_VERTEX_ARRAY); | |
468 | glVertexPointer (3, GL_FLOAT, 0, myPArray->vertices); // array of vertices | |
2166f0fa SK |
469 | |
470 | glColor3fv (theEdgeColour->rgb); | |
471 | if (myPArray->num_bounds > 0) | |
472 | { | |
473 | if (myPArray->num_edges > 0) | |
474 | { | |
475 | for (i = n = 0; i < myPArray->num_bounds; ++i) | |
476 | { | |
477 | if (myPArray->edge_vis) | |
478 | { | |
479 | glBegin (myDrawMode); | |
480 | for (j = 0; j < myPArray->bounds[i]; ++j) | |
481 | { | |
482 | glEdgeFlag (myPArray->edge_vis[n+j]); | |
483 | glVertex3fv (&myPArray->vertices[myPArray->edges[n+j]].xyz[0]); | |
484 | } | |
485 | glEnd(); | |
7fd59977 | 486 | } |
2166f0fa SK |
487 | else |
488 | { | |
5e27df78 | 489 | glDrawElements (myDrawMode, myPArray->bounds[i], GL_UNSIGNED_INT, (GLenum* )&myPArray->edges[n]); |
7fd59977 | 490 | } |
2166f0fa | 491 | n += myPArray->bounds[i]; |
7fd59977 | 492 | } |
2166f0fa | 493 | } |
7fd59977 | 494 | else |
2166f0fa SK |
495 | { |
496 | for (i = n = 0 ; i < myPArray->num_bounds; ++i) | |
497 | { | |
5e27df78 | 498 | glDrawArrays (myDrawMode, n, myPArray->bounds[i]); |
2166f0fa SK |
499 | n += myPArray->bounds[i]; |
500 | } | |
501 | } | |
bf75be98 | 502 | } |
2166f0fa SK |
503 | else if (myPArray->num_edges > 0) |
504 | { | |
505 | if (myPArray->edge_vis) | |
506 | { | |
507 | glBegin (myDrawMode); | |
508 | for (i = 0; i < myPArray->num_edges; ++i) | |
509 | { | |
510 | glEdgeFlag (myPArray->edge_vis[i]); | |
511 | glVertex3fv (&myPArray->vertices[myPArray->edges[i]].xyz[0]); | |
512 | } | |
513 | glEnd(); | |
514 | } | |
7fd59977 | 515 | else |
2166f0fa | 516 | { |
5e27df78 | 517 | glDrawElements (myDrawMode, myPArray->num_edges, GL_UNSIGNED_INT, (GLenum* )myPArray->edges); |
7fd59977 | 518 | } |
519 | } | |
2166f0fa SK |
520 | else |
521 | { | |
5e27df78 | 522 | glDrawArrays (myDrawMode, 0, myPArray->num_vertexs); |
7fd59977 | 523 | } |
2166f0fa SK |
524 | } |
525 | ||
526 | if (myDrawMode > GL_LINE_STRIP) | |
527 | { | |
528 | // Restore line context | |
529 | theWorkspace->SetAspectLine (anAspectLineOld); | |
7fd59977 | 530 | glPopAttrib(); |
531 | } | |
532 | } | |
533 | ||
a577aaab | 534 | // ======================================================================= |
535 | // function : DrawMarkers | |
536 | // purpose : | |
537 | // ======================================================================= | |
538 | void OpenGl_PrimitiveArray::DrawMarkers (const Handle(OpenGl_Workspace)& theWorkspace) const | |
539 | { | |
540 | const OpenGl_AspectMarker* anAspectMarker = theWorkspace->AspectMarker (Standard_True); | |
541 | const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext(); | |
542 | const Handle(OpenGl_PointSprite)& aSpriteNorm = anAspectMarker->Sprite(); | |
543 | const Standard_Boolean isHilight = (theWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT); | |
544 | if (aCtx->IsGlGreaterEqual (2, 0) | |
545 | && !aSpriteNorm.IsNull() && !aSpriteNorm->IsDisplayList()) | |
546 | { | |
547 | // Textured markers will be drawn with the point sprites | |
548 | glPointSize (anAspectMarker->MarkerSize()); | |
549 | ||
550 | Handle(OpenGl_Texture) aTextureBack; | |
551 | if (anAspectMarker->Type() != Aspect_TOM_POINT) | |
552 | { | |
553 | const Handle(OpenGl_PointSprite)& aSprite = (isHilight && anAspectMarker->SpriteHighlight()->IsValid()) | |
554 | ? anAspectMarker->SpriteHighlight() | |
555 | : aSpriteNorm; | |
556 | aTextureBack = theWorkspace->EnableTexture (aSprite); | |
557 | ||
558 | glEnable (GL_ALPHA_TEST); | |
559 | glAlphaFunc (GL_GEQUAL, 0.1f); | |
560 | ||
561 | glEnable (GL_BLEND); | |
562 | glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | |
563 | } | |
564 | ||
565 | glDrawArrays (myDrawMode, 0, toDrawVbo() ? myVbos[VBOVertices]->GetElemsNb() : myPArray->num_vertexs); | |
566 | ||
567 | glDisable (GL_BLEND); | |
568 | glDisable (GL_ALPHA_TEST); | |
569 | if (anAspectMarker->Type() != Aspect_TOM_POINT) | |
570 | { | |
571 | theWorkspace->EnableTexture (aTextureBack); | |
572 | } | |
573 | glPointSize (1.0f); | |
574 | return; | |
575 | } | |
576 | ||
577 | // Textured markers will be drawn with the glBitmap | |
a577aaab | 578 | if (anAspectMarker->Type() == Aspect_TOM_POINT |
579 | || anAspectMarker->Type() == Aspect_TOM_O_POINT) | |
580 | { | |
abe46077 | 581 | const GLfloat aPntSize = anAspectMarker->Type() == Aspect_TOM_POINT |
582 | ? anAspectMarker->MarkerSize() | |
583 | : 0.0f; | |
584 | if (aPntSize > 0.0f) | |
585 | { | |
586 | glPointSize (aPntSize); | |
587 | } | |
a577aaab | 588 | glDrawArrays (myDrawMode, 0, toDrawVbo() ? myVbos[VBOVertices]->GetElemsNb() : myPArray->num_vertexs); |
abe46077 | 589 | if (aPntSize > 0.0f) |
590 | { | |
591 | glPointSize (1.0f); | |
592 | } | |
a577aaab | 593 | } |
594 | ||
595 | if (anAspectMarker->Type() != Aspect_TOM_POINT | |
596 | && !aSpriteNorm.IsNull()) | |
597 | { | |
598 | if (!isHilight && (myPArray->vcolours != NULL)) | |
599 | { | |
600 | for (Standard_Integer anIter = 0; anIter < myPArray->num_vertexs; anIter++) | |
601 | { | |
602 | glColor4ubv ((GLubyte* )&myPArray->vcolours[anIter]); | |
603 | glRasterPos3fv (myPArray->vertices[anIter].xyz); | |
604 | aSpriteNorm->DrawBitmap (theWorkspace->GetGlContext()); | |
605 | } | |
606 | } | |
607 | else | |
608 | { | |
609 | for (Standard_Integer anIter = 0; anIter < myPArray->num_vertexs; anIter++) | |
610 | { | |
611 | glRasterPos3fv (myPArray->vertices[anIter].xyz); | |
612 | aSpriteNorm->DrawBitmap (theWorkspace->GetGlContext()); | |
613 | } | |
614 | } | |
615 | } | |
616 | } | |
617 | ||
2166f0fa SK |
618 | // ======================================================================= |
619 | // function : OpenGl_PrimitiveArray | |
620 | // purpose : | |
621 | // ======================================================================= | |
622 | OpenGl_PrimitiveArray::OpenGl_PrimitiveArray (CALL_DEF_PARRAY* thePArray) | |
623 | : myPArray (thePArray), | |
5e27df78 | 624 | myDrawMode (DRAW_MODE_NONE), |
625 | myIsVboInit (Standard_False) | |
2166f0fa SK |
626 | { |
627 | switch (myPArray->type) | |
628 | { | |
629 | case TelPointsArrayType: | |
630 | myDrawMode = GL_POINTS; | |
631 | break; | |
632 | case TelPolylinesArrayType: | |
633 | myDrawMode = GL_LINE_STRIP; | |
634 | break; | |
635 | case TelSegmentsArrayType: | |
636 | myDrawMode = GL_LINES; | |
637 | break; | |
638 | case TelPolygonsArrayType: | |
639 | myDrawMode = GL_POLYGON; | |
640 | break; | |
641 | case TelTrianglesArrayType: | |
642 | myDrawMode = GL_TRIANGLES; | |
643 | break; | |
644 | case TelQuadranglesArrayType: | |
645 | myDrawMode = GL_QUADS; | |
646 | break; | |
647 | case TelTriangleStripsArrayType: | |
648 | myDrawMode = GL_TRIANGLE_STRIP; | |
649 | break; | |
650 | case TelQuadrangleStripsArrayType: | |
651 | myDrawMode = GL_QUAD_STRIP; | |
652 | break; | |
653 | case TelTriangleFansArrayType: | |
654 | myDrawMode = GL_TRIANGLE_FAN; | |
655 | break; | |
656 | } | |
657 | } | |
658 | ||
659 | // ======================================================================= | |
660 | // function : ~OpenGl_PrimitiveArray | |
661 | // purpose : | |
662 | // ======================================================================= | |
5e27df78 | 663 | OpenGl_PrimitiveArray::~OpenGl_PrimitiveArray() |
2166f0fa | 664 | { |
5e27df78 | 665 | // |
666 | } | |
2166f0fa | 667 | |
5e27df78 | 668 | // ======================================================================= |
669 | // function : Release | |
670 | // purpose : | |
671 | // ======================================================================= | |
672 | void OpenGl_PrimitiveArray::Release (const Handle(OpenGl_Context)& theContext) | |
673 | { | |
674 | for (Standard_Integer anIter = 0; anIter < VBOMaxType; ++anIter) | |
2166f0fa | 675 | { |
5e27df78 | 676 | if (!myVbos[anIter].IsNull()) |
677 | { | |
dd8a4ce9 | 678 | if (!theContext.IsNull()) |
679 | { | |
680 | theContext->DelayedRelease (myVbos[anIter]); | |
681 | } | |
5e27df78 | 682 | myVbos[anIter].Nullify(); |
683 | } | |
2166f0fa SK |
684 | } |
685 | } | |
686 | ||
687 | // ======================================================================= | |
688 | // function : Render | |
689 | // purpose : | |
690 | // ======================================================================= | |
691 | void OpenGl_PrimitiveArray::Render (const Handle(OpenGl_Workspace)& theWorkspace) const | |
692 | { | |
5e27df78 | 693 | if (myPArray == NULL || myDrawMode == DRAW_MODE_NONE || myPArray->num_vertexs <= 0) |
bf75be98 | 694 | { |
2166f0fa | 695 | return; |
bf75be98 | 696 | } |
2166f0fa | 697 | |
a577aaab | 698 | const OpenGl_AspectFace* anAspectFace = theWorkspace->AspectFace (Standard_True); |
699 | const OpenGl_AspectLine* anAspectLine = theWorkspace->AspectLine (Standard_True); | |
700 | const OpenGl_AspectMarker* anAspectMarker = theWorkspace->AspectMarker (myDrawMode == GL_POINTS); | |
701 | ||
2166f0fa | 702 | // create VBOs on first render call |
58655684 | 703 | const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext(); |
a577aaab | 704 | if (!myIsVboInit |
705 | && !aCtx->caps->vboDisable | |
706 | && aCtx->core15 != NULL | |
707 | && (myDrawMode != GL_POINTS || anAspectMarker->Sprite().IsNull() || !anAspectMarker->Sprite()->IsDisplayList())) | |
2166f0fa | 708 | { |
cbf18624 | 709 | if (!BuildVBO (theWorkspace)) |
710 | { | |
711 | TCollection_ExtendedString aMsg; | |
712 | aMsg += "VBO creation for Primitive Array has failed for "; | |
713 | aMsg += myPArray->num_vertexs; | |
714 | aMsg += " vertices. Out of memory?"; | |
715 | aCtx->PushMessage (GL_DEBUG_SOURCE_APPLICATION_ARB, GL_DEBUG_TYPE_PERFORMANCE_ARB, 0, GL_DEBUG_SEVERITY_LOW_ARB, aMsg); | |
716 | } | |
5e27df78 | 717 | myIsVboInit = Standard_True; |
2166f0fa SK |
718 | } |
719 | ||
720 | switch (myPArray->type) | |
721 | { | |
722 | case TelPointsArrayType: | |
723 | case TelPolylinesArrayType: | |
724 | case TelSegmentsArrayType: | |
725 | { | |
726 | glDisable (GL_LIGHTING); | |
2166f0fa SK |
727 | break; |
728 | } | |
729 | default: | |
730 | break; | |
731 | } | |
732 | ||
bf75be98 | 733 | Tint aFrontLightingModel = anAspectFace->IntFront.color_mask; |
734 | const TEL_COLOUR* anInteriorColor = &anAspectFace->IntFront.matcol; | |
2166f0fa | 735 | const TEL_COLOUR* anEdgeColor = &anAspectFace->AspectEdge()->Color(); |
17f65eb2 | 736 | const TEL_COLOUR* aLineColor = (myPArray->type == TelPointsArrayType) ? &anAspectMarker->Color() : &anAspectLine->Color(); |
2166f0fa SK |
737 | |
738 | // Use highlight colors | |
739 | if (theWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT) | |
bf75be98 | 740 | { |
2166f0fa SK |
741 | anEdgeColor = anInteriorColor = aLineColor = theWorkspace->HighlightColor; |
742 | aFrontLightingModel = 0; | |
743 | } | |
744 | ||
745 | DrawArray (aFrontLightingModel, | |
bf75be98 | 746 | anAspectFace->InteriorStyle, |
747 | anAspectFace->Edge, | |
2166f0fa SK |
748 | anInteriorColor, |
749 | aLineColor, | |
750 | anEdgeColor, | |
bf75be98 | 751 | &anAspectFace->IntFront, |
2166f0fa | 752 | theWorkspace); |
2166f0fa | 753 | } |