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https://git.dev.opencascade.org/repos/occt.git
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8613985b2a
FFP state management (light sources, matrices, clipping planes) has been moved to OpenGl_ShaderManager for consistency with Programmable Pipeline. OpenGl_Context::BindProgram() does not re-bind already active Program. OpenGl_PrimitiveArray::Render() does not reset active Program at the end. OpenGl_Context::ApplyModelViewMatrix() now checks if matrix differs from already set one before modifying state in Shader Manager. This allows avoing redundant state changes, matrix uploads onto GPU and re-computation of inversed matrices. NCollection_Mat4 has been extended with equality check operators for proper comparison. OpenGl_ShaderManager - the tracking Material state has been added. Removed unreachable states OPENGL_NS_RESMAT, OPENGL_NS_TEXTURE and OPENGL_NS_WHITEBACK. Fixed resetting FFP material state after displaying GL_COLOR_ARRAY vertices; the Material state within Shader Manager is now invalidated within OpenGl_VertexBuffer::unbindFixedColor(). OpenGl_Workspace::ApplyAspectFace() - fixed invalidating Material State when only Highlighting style is changing.
131 lines
5.0 KiB
Plaintext
131 lines
5.0 KiB
Plaintext
// Created by: Kirill GAVRILOV
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// Copyright (c) 2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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// =======================================================================
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// function : bindAttribute
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// purpose :
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// =======================================================================
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inline void OpenGl_VertexBuffer::bindAttribute (const Handle(OpenGl_Context)& theCtx,
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const Graphic3d_TypeOfAttribute theAttribute,
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const GLint theNbComp,
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const GLenum theDataType,
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const GLsizei theStride,
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const GLvoid* theOffset)
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{
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if (theCtx->ActiveProgram().IsNull())
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{
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#if !defined(GL_ES_VERSION_2_0)
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if (theCtx->core11 != NULL)
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{
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bindFixed (theCtx, theAttribute, theNbComp, theDataType, theStride, theOffset);
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}
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#endif
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return;
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}
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theCtx->core20fwd->glEnableVertexAttribArray (theAttribute);
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theCtx->core20fwd->glVertexAttribPointer (theAttribute, theNbComp, theDataType, theDataType != GL_FLOAT, theStride, theOffset);
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}
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#if !defined(GL_ES_VERSION_2_0)
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// =======================================================================
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// function : bindFixed
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// purpose :
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// =======================================================================
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inline void OpenGl_VertexBuffer::bindFixed (const Handle(OpenGl_Context)& theCtx,
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const Graphic3d_TypeOfAttribute theMode,
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const GLint theNbComp,
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const GLenum theDataType,
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const GLsizei theStride,
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const GLvoid* theOffset)
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{
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switch (theMode)
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{
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case Graphic3d_TOA_POS:
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{
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theCtx->core11->glEnableClientState (GL_VERTEX_ARRAY);
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theCtx->core11->glVertexPointer (theNbComp, theDataType, theStride, theOffset);
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return;
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}
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case Graphic3d_TOA_NORM:
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{
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theCtx->core11->glEnableClientState (GL_NORMAL_ARRAY);
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theCtx->core11->glNormalPointer (theDataType, theStride, theOffset);
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return;
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}
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case Graphic3d_TOA_UV:
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{
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theCtx->core11->glEnableClientState (GL_TEXTURE_COORD_ARRAY);
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theCtx->core11->glTexCoordPointer (theNbComp, theDataType, theStride, theOffset);
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return;
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}
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case Graphic3d_TOA_COLOR:
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{
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theCtx->core11->glEnableClientState (GL_COLOR_ARRAY);
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theCtx->core11->glColorPointer (theNbComp, theDataType, theStride, theOffset);
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theCtx->core11->glColorMaterial (GL_FRONT_AND_BACK,GL_AMBIENT_AND_DIFFUSE);
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theCtx->core11fwd->glEnable (GL_COLOR_MATERIAL);
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return;
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}
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case Graphic3d_TOA_CUSTOM:
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{
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return;
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}
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}
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}
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#endif
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// =======================================================================
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// function : unbindAttribute
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// purpose :
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// =======================================================================
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inline void OpenGl_VertexBuffer::unbindAttribute (const Handle(OpenGl_Context)& theCtx,
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const Graphic3d_TypeOfAttribute theAttribute)
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{
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if (theCtx->ActiveProgram().IsNull())
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{
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#if !defined(GL_ES_VERSION_2_0)
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if (theCtx->core11 != NULL)
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{
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unbindFixed (theCtx, theAttribute);
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}
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#endif
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return;
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}
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theCtx->core20fwd->glDisableVertexAttribArray (theAttribute);
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}
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#if !defined(GL_ES_VERSION_2_0)
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// =======================================================================
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// function : unbindFixed
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// purpose :
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// =======================================================================
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inline void OpenGl_VertexBuffer::unbindFixed (const Handle(OpenGl_Context)& theCtx,
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const Graphic3d_TypeOfAttribute theMode)
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{
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switch (theMode)
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{
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case Graphic3d_TOA_POS: theCtx->core11->glDisableClientState (GL_VERTEX_ARRAY); return;
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case Graphic3d_TOA_NORM: theCtx->core11->glDisableClientState (GL_NORMAL_ARRAY); return;
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case Graphic3d_TOA_UV: theCtx->core11->glDisableClientState (GL_TEXTURE_COORD_ARRAY); return;
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case Graphic3d_TOA_COLOR: unbindFixedColor (theCtx); return;
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case Graphic3d_TOA_CUSTOM:
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{
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return;
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}
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}
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}
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#endif
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