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0024311: TKOpenGl - desappeared 2D dimension text

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OpenGl_Text - correct stecil buffer filling
This commit is contained in:
kgv 2013-11-02 18:18:45 +04:00 committed by abv
parent 05dd08ce63
commit 543f0db099
1 changed files with 35 additions and 29 deletions
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64
src/OpenGl/OpenGl_Text.cxx
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@ -784,34 +784,6 @@ void OpenGl_Text::render (const Handle(OpenGl_PrinterContext)& thePrintCtx,
break;
}
case Aspect_TODT_DIMENSION:
{
setupMatrix (thePrintCtx, theCtx, theTextAspect, OpenGl_Vec3 (0.0f, 0.0f, 0.00001f));
glDisable (GL_DEPTH_TEST);
glColorMask (GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
glClear (GL_STENCIL_BUFFER_BIT);
glEnable (GL_STENCIL_TEST);
glStencilFunc (GL_ALWAYS, 1, 0x00);
glStencilOp (GL_KEEP, GL_KEEP, GL_REPLACE);
glBegin (GL_QUADS);
glVertex2f (myBndBox.Left, myBndBox.Top);
glVertex2f (myBndBox.Right, myBndBox.Top);
glVertex2f (myBndBox.Right, myBndBox.Bottom);
glVertex2f (myBndBox.Left, myBndBox.Bottom);
glEnd();
glStencilFunc (GL_ALWAYS, 0, 0xFF);
glDisable (GL_STENCIL_TEST);
if (!myIs2d)
{
glEnable (GL_DEPTH_TEST);
}
glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
break;
}
case Aspect_TODT_NORMAL:
{
break;
@ -823,8 +795,42 @@ void OpenGl_Text::render (const Handle(OpenGl_PrinterContext)& thePrintCtx,
setupMatrix (thePrintCtx, theCtx, theTextAspect, OpenGl_Vec3 (0.0f, 0.0f, 0.0f));
drawText (thePrintCtx, theCtx, theTextAspect);
// revert OpenGL state
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, aTexEnvParam);
if (theTextAspect.DisplayType() == Aspect_TODT_DIMENSION)
{
setupMatrix (thePrintCtx, theCtx, theTextAspect, OpenGl_Vec3 (0.0f, 0.0f, 0.00001f));
glDisable (GL_BLEND);
glDisable (GL_TEXTURE_2D);
glDisable (GL_ALPHA_TEST);
if (!myIs2d)
{
glDisable (GL_DEPTH_TEST);
}
glColorMask (GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
glClear (GL_STENCIL_BUFFER_BIT);
glEnable (GL_STENCIL_TEST);
glStencilFunc (GL_ALWAYS, 1, 0xFF);
glStencilOp (GL_KEEP, GL_KEEP, GL_REPLACE);
glBegin (GL_QUADS);
glVertex2f (myBndBox.Left, myBndBox.Top);
glVertex2f (myBndBox.Right, myBndBox.Top);
glVertex2f (myBndBox.Right, myBndBox.Bottom);
glVertex2f (myBndBox.Left, myBndBox.Bottom);
glEnd();
glStencilFunc (GL_ALWAYS, 0, 0xFF);
// glPopAttrib() will reset state for us
//glDisable (GL_STENCIL_TEST);
//if (!myIs2d) glEnable (GL_DEPTH_TEST);
glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
}
// revert OpenGL state
glPopAttrib(); // enable bit
glPopMatrix(); // model view matrix was modified
}