1 /***********************************************************************
5 file OpenGl_togl_redraw.c :
12 HISTORIQUE DES MODIFICATIONS :
13 --------------------------------
14 xx-xx-xx : CAL ; Creation.
15 23-01-97 : CAL : Ajout pour mettre des traces facilement
16 apres lancement de Designer
17 05-02-97 : FMN ; Suppression de OpenGl_tgl_vis.h
18 03-03-97 : FMN ; (PRO4063) Ajout displaylist pour le mode transient
19 07-10-97 : FMN ; Simplification WNT
20 08-08-98 : FMN ; ajout PRINT debug
21 18-11-98 : CAL ; S4062. Ajout des layers.
22 15-11-99 : GG ; Add call_togl_redraw_area()
23 15-11-99 : VKH ; G004 redrawing view to a large pixmap
24 02.01.100 : JR : = 0 for Integer and = NULL for pointers
25 02.02.100 " #include <GL/glu.h> for declaration of gluErrorString
26 07-03-00 : GG : G004 use the already created pixmap.
27 Enable two side lighting before redrawing in pixmap.
29 ************************************************************************/
31 #define G004 /* VKH 15-11-99 redrawing view to a large pixmap
34 #define RIC120302 /* GG Enable to use the application display
35 callback at end of traversal
36 Modified P. Dolbey 09/06/07 to call back
37 before redrawing the overlayer
40 /*----------------------------------------------------------------------*/
47 #define CALL_DEF_STRING_LENGTH 132
49 #include <OpenGl_AVIWriter.hxx>
51 # include <OpenGl_tgl_all.hxx>
55 #include <OpenGl_tgl.hxx>
56 #include <OpenGl_tsm_ws.hxx>
57 #include <OpenGl_tgl_tox.hxx>
58 #include <OpenGl_txgl.hxx>
59 #include <OpenGl_tgl_funcs.hxx>
60 #include <OpenGl_tgl_subrvis.hxx>
61 #include <OpenGl_FrameBuffer.hxx>
62 #include <InterfaceGraphic_Graphic3d.hxx>
63 #include <InterfaceGraphic_Visual3d.hxx>
68 CALL_DEF_VIEW * aview,
69 CALL_DEF_LAYER * anunderlayer,
70 CALL_DEF_LAYER * anoverlayer
74 Tint swap = 1; /* swap buffers ? yes */
76 if ( TsmGetWSAttri (aview->WsId, WSWindow, &data) != TSuccess ) return;
78 WINDOW aWin = (WINDOW )data.ldata;
79 if (TxglWinset (call_thedisplay, aWin) == TSuccess)
81 OpenGl_FrameBuffer* aFrameBuffer = (OpenGl_FrameBuffer* )aview->ptrFBO;
82 GLint aViewPortBack[4]; glGetIntegerv (GL_VIEWPORT, aViewPortBack);
83 if (aFrameBuffer != NULL)
85 aFrameBuffer->SetupViewport();
86 aFrameBuffer->BindBuffer();
87 swap = 0; // no need to swap buffers
90 call_func_redraw_all_structs_begin (aview->WsId);
91 call_togl_setplane( aview ); /* apl - OCC22108: update clipping planes */
92 if (anunderlayer->ptrLayer)
94 call_togl_redraw_layer2d (aview, anunderlayer);
96 call_func_redraw_all_structs_proc (aview->WsId);
97 if (anoverlayer->ptrLayer)
99 call_togl_redraw_layer2d (aview, anoverlayer);
101 call_subr_displayCB (aview, OCC_REDRAW_WINDOW);
102 call_func_redraw_all_structs_end (aview->WsId, swap);
103 call_togl_redraw_immediat_mode (aview);
105 if (aFrameBuffer != NULL)
107 aFrameBuffer->UnbindBuffer();
108 // move back original viewport
109 glViewport (aViewPortBack[0], aViewPortBack[1], aViewPortBack[2], aViewPortBack[3]);
114 if (OpenGl_AVIWriter_AllowWriting (aview->DefWindow.XWindow))
117 glGetIntegerv (GL_VIEWPORT, params);
118 int nWidth = params[2] & ~0x7;
119 int nHeight = params[3] & ~0x7;
121 const int nBitsPerPixel = 24;
122 GLubyte* aDumpData = new GLubyte[nWidth * nHeight * nBitsPerPixel / 8];
124 glPixelStorei (GL_PACK_ALIGNMENT, 1);
125 glReadPixels (0, 0, nWidth, nHeight, GL_BGR_EXT, GL_UNSIGNED_BYTE, aDumpData);
126 OpenGl_AVIWriter_AVIWriter (aDumpData, nWidth, nHeight, nBitsPerPixel);
135 call_togl_redraw_area
137 CALL_DEF_VIEW * aview,
138 CALL_DEF_LAYER * anunderlayer,
139 CALL_DEF_LAYER * anoverlayer,
140 int x, int y, int width, int height
146 When the exposure area size is > window size / 2 do a full redraw.
149 (int)(aview->DefWindow.dx*aview->DefWindow.dy)/2 ) {
150 call_togl_redraw(aview,anunderlayer,anoverlayer);
154 Or redraw only the area in the front buffer
156 TsmGetWSAttri (aview->WsId, WSWindow, &data);
157 if (TxglWinset (call_thedisplay, (WINDOW) data.ldata) == TSuccess)
160 glGetIntegerv (GL_DRAW_BUFFER, &buffer);
161 if (buffer != GL_FRONT) glDrawBuffer (GL_FRONT);
162 glEnable (GL_SCISSOR_TEST);
163 glScissor ((GLint )x,
164 (GLint )((int )aview->DefWindow.dy - (y + height)),
165 (GLsizei )width, (GLsizei )height);
166 call_func_redraw_all_structs_begin (aview->WsId);
167 call_togl_setplane( aview ); /* apl - OCC22108: update clipping planes */
168 if (anunderlayer->ptrLayer)
170 call_togl_redraw_layer2d (aview, anunderlayer);
172 call_func_redraw_all_structs_proc (aview->WsId);
173 if (anoverlayer->ptrLayer)
175 call_togl_redraw_layer2d (aview, anoverlayer);
177 call_subr_displayCB(aview,OCC_REDRAW_WINDOWAREA);
178 call_func_redraw_all_structs_end (aview->WsId, 0);
179 call_togl_redraw_immediat_mode (aview);
181 glDisable (GL_SCISSOR_TEST);
182 if (buffer != GL_FRONT) glDrawBuffer (buffer);