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0026025: Visualization, TKOpenGl - stereoscopic output does not work

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OpenGl_View::Render() - pass target FBO as parameter.
OpenGl_Context - revise Read/Write buffers management logic, taking into account FBOs.

Graphic3d_Camera::UpdateProjection() - setup LProjection and RProjection
the same as MProjection in case of Projection_MonoLeftEye/Projection_MonoRightEye
for API consistency.
This commit is contained in:
kgv
2015-04-15 16:25:38 +03:00
committed by bugmaster
parent b85b0b0731
commit 38a0206f60
17 changed files with 702 additions and 395 deletions
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55
src/OpenGl/OpenGl_ShaderManager.cxx
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@@ -235,6 +235,7 @@ void OpenGl_ShaderManager::clear()
myMapOfLightPrograms.Clear();
myFontProgram.Nullify();
myBlitProgram.Nullify();
myAnaglyphProgram.Nullify();
switchLightPrograms();
}
@@ -1578,6 +1579,60 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramPhong (Handle(OpenGl_Sha
return Standard_True;
}
// =======================================================================
// function : prepareStdProgramAnaglyph
// purpose :
// =======================================================================
Standard_Boolean OpenGl_ShaderManager::prepareStdProgramAnaglyph()
{
Handle(Graphic3d_ShaderProgram) aProgramSrc = new Graphic3d_ShaderProgram();
TCollection_AsciiString aSrcVert =
EOL"THE_SHADER_OUT vec2 TexCoord;"
EOL"void main()"
EOL"{"
EOL" TexCoord = occVertex.zw;"
EOL" gl_Position = vec4(occVertex.x, occVertex.y, 0.0, 1.0);"
EOL"}";
TCollection_AsciiString aSrcFrag =
EOL"uniform sampler2D uLeftSampler;"
EOL"uniform sampler2D uRightSampler;"
EOL
EOL"THE_SHADER_IN vec2 TexCoord;"
EOL
EOL"void main()"
EOL"{"
EOL" vec4 aColorL = occTexture2D (uLeftSampler, TexCoord);"
EOL" vec4 aColorR = occTexture2D (uRightSampler, TexCoord);"
EOL" aColorL.b = 0.0;"
EOL" aColorL.g = 0.0;"
EOL" aColorR.r = 0.0;"
EOL" occFragColor = aColorL + aColorR;"
EOL"}";
#if !defined(GL_ES_VERSION_2_0)
if (myContext->core32 != NULL)
{
aProgramSrc->SetHeader ("#version 150");
}
#endif
aProgramSrc->AttachShader (Graphic3d_ShaderObject::CreateFromSource (Graphic3d_TOS_VERTEX, aSrcVert));
aProgramSrc->AttachShader (Graphic3d_ShaderObject::CreateFromSource (Graphic3d_TOS_FRAGMENT, aSrcFrag));
TCollection_AsciiString aKey;
if (!Create (aProgramSrc, aKey, myAnaglyphProgram))
{
myAnaglyphProgram = new OpenGl_ShaderProgram(); // just mark as invalid
return Standard_False;
}
myContext->BindProgram (myAnaglyphProgram);
myAnaglyphProgram->SetSampler (myContext, "uLeftSampler", 0);
myAnaglyphProgram->SetSampler (myContext, "uRightSampler", 1);
myContext->BindProgram (NULL);
return Standard_True;
}
// =======================================================================
// function : bindProgramWithState
// purpose :