Method ReadyVCBOProgram

Rendering/ContextOpenGL2/vtkOpenGLContextDevice3D.cxx:210–255

}

void vtkOpenGLContextDevice3D::ReadyVCBOProgram()
{
  if (!this->VCBO->Program)
  {
    this->VCBO->Program = this->RenderWindow->GetShaderCache()->ReadyShaderProgram(
      // vertex shader
      "//VTK::System::Dec\n"
      "in vec3 vertexMC;\n"
      "in vec4 vertexScalar;\n"
      "uniform mat4 WCDCMatrix;\n"
      "uniform mat4 MCWCMatrix;\n"
      "out vec4 vertexColor;\n"
      "uniform int hasOpacity;\n"
      "uniform int numClipPlanes;\n"
      "uniform vec4 clipPlanes[6];\n"
      "out float clipDistances[6];\n"
      "void main() {\n"
      "vec4 vertex = vec4(vertexMC.xyz, 1.0);\n"
      "vertexColor = vertexScalar;\n"
      "for (int planeNum = 0; planeNum < numClipPlanes; planeNum++)\n"
      "  {\n"
      "  clipDistances[planeNum] = dot(clipPlanes[planeNum], vertex*MCWCMatrix);\n"
      "  }\n"
      "gl_Position = vertex*MCWCMatrix*WCDCMatrix; \n"
      "if (hasOpacity == 0) { vertexColor.a = 1.0f; }\n"
      "}\n",
      // fragment shader
      "//VTK::System::Dec\n"
      "//VTK::Output::Dec\n"
      "in vec4 vertexColor;\n"
      "uniform int numClipPlanes;\n"
      "in float clipDistances[6];\n"
      "void main() { \n"
      "  for (int planeNum = 0; planeNum < numClipPlanes; planeNum++)\n"
      "    {\n"
      "    if (clipDistances[planeNum] < 0.0) discard;\n"
      "    }\n"
      "  gl_FragData[0] = vertexColor; }",
      // geometry shader
      "");
  }
  else
  {
    this->RenderWindow->GetShaderCache()->ReadyShaderProgram(this->VCBO->Program);
  }
}

bool vtkOpenGLContextDevice3D::HaveWideLines()
{