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0025213: Visualization, TKOpenGl - do not use deprecated built-ins in GLSL shaders

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Inherit NCollection_Buffer from Standard_Transient, do not use incomplete NCollection_Handle.

OpenGl_Context, add methods ActiveProgram(),BindProgram()
to manage currently active GLSL program.
Add method ::ToUseVbo().

OpenGl_ShaderProgram, setup locations of pre-defined vertex attributes
occVertex, occNormal, occTexCoord, occColor before linkage.
Remove methods OpenGl_ShaderProgram::Bind(), ::BindWithVariables()
and ::Unbind() - OpenGl_Context::BindProgram() should be used instead.

Introduce class OpenGl_VertexBufferCompat, which emulates VBO
behavior on systems without VBO (compatibility with broken OpenGL drivers on Windows).

OpenGl_PrimitiveArray - use OpenGl_VertexBufferCompat when VBO is unavailable,
remove duplicated code. Use OpenGl_VertexBuffer::HasNormalAttribute()
method to activate lighting.

OpenGl_Text - use OpenGl_VertexBufferCompat, eliminate duplicated code.

Changes in OpenGl_VertexBuffer, drop methods BindFixed()/UnbindFixed().
Superseded by new methods BindAllAttributes()/UnbindAllAttributes()
which handle active GLSL program, when it is set.
This commit is contained in:
kgv
2014-09-17 13:02:32 +04:00
committed by bugmaster
parent 9f33b387e2
commit 7d3e64ef5e
30 changed files with 1057 additions and 735 deletions
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9
src/Graphic3d/Graphic3d_ArrayOfPrimitives.cxx
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@@ -21,6 +21,15 @@
#include <stdio.h>
#include <stdlib.h>
IMPLEMENT_STANDARD_HANDLE (Graphic3d_Buffer, NCollection_Buffer)
IMPLEMENT_STANDARD_RTTIEXT(Graphic3d_Buffer, NCollection_Buffer)
IMPLEMENT_STANDARD_HANDLE (Graphic3d_BoundBuffer, NCollection_Buffer)
IMPLEMENT_STANDARD_RTTIEXT(Graphic3d_BoundBuffer, NCollection_Buffer)
IMPLEMENT_STANDARD_HANDLE (Graphic3d_IndexBuffer, Graphic3d_Buffer)
IMPLEMENT_STANDARD_RTTIEXT(Graphic3d_IndexBuffer, Graphic3d_Buffer)
Graphic3d_ArrayOfPrimitives::Graphic3d_ArrayOfPrimitives (const Graphic3d_TypeOfPrimitiveArray theType,
const Standard_Integer theMaxVertexs,
const Standard_Integer theMaxBounds,