OpenCascade/occt
1
0
Fork 0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-04-02 17:46:22 +03:00
Code Packages Releases Activity

OCC22391 Polylines arrays not drawn for mesh with VBO flag enabled

Browse Source
This commit is contained in:
APL 2011-04-28 15:38:18 +00:00 committed by bugmaster
parent 97e23d5542
commit 762aacaed7
1 changed files with 43 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
src/OpenGl/OpenGl_PrimitiveArray.cxx
View File

@ -55,8 +55,6 @@ static unsigned long vRand = 1L;
#include <OpenGl_tgl_funcs.hxx>
#include <OpenGl_LightBox.hxx>
#include <OpenGl_TextureBox.hxx>
#include <OpenGl_ResourceCleaner.hxx>
#include <OpenGl_ResourceVBO.hxx>
#include <InterfaceGraphic_PrimitiveArray.hxx>
#include <OpenGl_Memory.hxx>
#include <Standard.hxx>
@ -234,10 +232,6 @@ static void BuildVBO( CALL_DEF_PARRAY* p )
if( p->flagBufferVBO == VBO_OK )
clearRAMMemory(p);
//specify context for VBO resource
p->contextId = (Standard_Address)GET_GL_CONTEXT();
}
/*----------------------------------------------------------------------*/
@ -641,18 +635,34 @@ draw_array( call_def_parray p, Tint hflag,
// OCC22236 NOTE: draw for all situations:
// 1) draw elements from p->bufferVBO[VBOEdges] indicies array
// 2) draw elements from vertice array, when bounds defines count of primitive's verts.
//end bindings
// 3) draw primitive by vertexes if no edges and bounds array is specified
if( p->flagBufferVBO == VBO_OK ){
if ( p->num_edges > 0 && p->bufferVBO[VBOEdges] ) {
glVBOBindBufferARB(GL_ELEMENTS_ARRAY_BUFFER_ARB, p->bufferVBO[VBOEdges]); // for edge indices
glDrawElements( draw_mode, p->num_edges , GL_UNSIGNED_INT, 0);
// draw primitives by vertex count with the indicies
if( p->num_bounds > 0 ) {
Tint* offset = 0;
for( i = 0, offset = 0 ; i < p->num_bounds ; i++ ) {
glDrawElements(draw_mode, p->bounds[i], GL_UNSIGNED_INT, offset);
offset += p->bounds[i];
}
}
// draw one (or sequential) primitive by the indicies
else {
glDrawElements(draw_mode, p->num_edges , GL_UNSIGNED_INT, 0);
}
}
else {
else if( p->num_bounds > 0 ) {
for( i = n = 0 ; i < p->num_bounds ; i ++ ){
glDrawArrays( draw_mode, n, p->bounds[i]);
glDrawArrays(draw_mode, n, p->bounds[i]);
n += p->bounds[i];
}
}
else {
glDrawArrays(draw_mode, 0, p->num_vertexs);
}
//bind with 0
glVBOBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
glVBOBindBufferARB(GL_ELEMENTS_ARRAY_BUFFER_ARB, 0);
@ -759,21 +769,6 @@ draw_array( call_def_parray p, Tint hflag,
static TStatus
ParrayDelete( TSM_ELEM_DATA data, Tint n, cmn_key *k )
{
call_def_parray p = (call_def_parray)data.pdata;
if( p->VBOEnabled == VBO_OK ) {
OpenGl_ResourceCleaner* resCleaner = OpenGl_ResourceCleaner::GetInstance();
if( p->bufferVBO[VBOEdges] )
resCleaner->AddResource( (GLCONTEXT)p->contextId, new OpenGl_ResourceVBO(p->bufferVBO[VBOEdges]) );
if( p->bufferVBO[VBOVertices] )
resCleaner->AddResource( (GLCONTEXT)p->contextId, new OpenGl_ResourceVBO(p->bufferVBO[VBOVertices]) );
if( p->bufferVBO[VBOVcolours] )
resCleaner->AddResource( (GLCONTEXT)p->contextId, new OpenGl_ResourceVBO(p->bufferVBO[VBOVcolours]) );
if( p->bufferVBO[VBOVnormals] )
resCleaner->AddResource( (GLCONTEXT)p->contextId, new OpenGl_ResourceVBO(p->bufferVBO[VBOVnormals]) );
if( p->bufferVBO[VBOVtexels] )
resCleaner->AddResource( (GLCONTEXT)p->contextId, new OpenGl_ResourceVBO(p->bufferVBO[VBOVtexels]) );
}
return TSuccess;
}
@ -823,8 +818,8 @@ draw_edges ( call_def_parray p, tel_colour edge_colour )
// OCC22236 NOTE: draw edges for all situations:
// 1) draw elements with GL_LINE style as edges from p->bufferVBO[VBOEdges] indicies array
// 2) draw elements with GL_LINE style as edges from vertice array,
// when bounds defines count of primitive's verts.
// 2) draw elements from vertice array, when bounds defines count of primitive's verts.
// 3) draw primitive's edges by vertexes if no edges and bounds array is specified
if(p->flagBufferVBO == VBO_OK)
{
glVBOBindBufferARB( GL_ARRAY_BUFFER_ARB, p->bufferVBO[VBOVertices] );
@ -832,14 +827,31 @@ draw_edges ( call_def_parray p, tel_colour edge_colour )
glColor3fv( edge_colour->rgb );
if ( p->num_edges > 0 && p->bufferVBO[VBOEdges] ) {
glVBOBindBufferARB(GL_ELEMENTS_ARRAY_BUFFER_ARB, p->bufferVBO[VBOEdges]);
glDrawElements( draw_mode, p->num_edges, GL_UNSIGNED_INT, 0);
// draw primitives by vertex count with the indicies
if( p->num_bounds > 0 ) {
Tint* offset = 0;
for( i = 0, offset = 0 ; i < p->num_bounds ; i++ ) {
glDrawElements( draw_mode, p->bounds[i], GL_UNSIGNED_INT, offset);
offset += p->bounds[i];
}
}
// draw one (or sequential) primitive by the indicies
else {
glDrawElements( draw_mode, p->num_edges , GL_UNSIGNED_INT, 0);
}
}
else {
for( i = n = 0 ; i < p->num_bounds ; i ++ ) {
glDrawArrays( draw_mode , n , p->bounds[i]);
else if( p->num_bounds > 0 ) {
for( i = n = 0 ; i < p->num_bounds ; i ++ ){
glDrawArrays( draw_mode, n, p->bounds[i]);
n += p->bounds[i];
}
}
else {
glDrawArrays( draw_mode, 0, p->num_vertexs);
}
// unbind buffers
glDisableClientState(GL_VERTEX_ARRAY);
glVBOBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
glVBOBindBufferARB(GL_ELEMENTS_ARRAY_BUFFER_ARB, 0);