#ifndef _OpenGl_Workspace_Header
#define _OpenGl_Workspace_Header
-#ifdef HAVE_OPENCL
- #include <map>
- #include <set>
+#include <map>
+#include <set>
- #include <OpenGl_Cl.hxx>
-#endif
-
-#include <Handle_OpenGl_Workspace.hxx>
#include <OpenGl_Window.hxx>
#include <TColStd_Array2OfReal.hxx>
#include <Graphic3d_TypeOfTexture.hxx>
#include <Graphic3d_PtrFrameBuffer.hxx>
#include <Graphic3d_BufferType.hxx>
-#include <Handle_Graphic3d_TextureParams.hxx>
#include <Aspect_CLayer2d.hxx>
#include <Aspect_Handle.hxx>
#include <Aspect_PrintAlgo.hxx>
+#include <Aspect_PolygonOffsetMode.hxx>
#include <InterfaceGraphic_Graphic3d.hxx>
#include <InterfaceGraphic_Visual3d.hxx>
#include <NCollection_Sequence.hxx>
#include <OpenGl_AspectFace.hxx>
-#include <OpenGl_Display.hxx>
+#include <OpenGl_FrameBuffer.hxx>
#include <OpenGl_Matrix.hxx>
#include <OpenGl_NamedStatus.hxx>
#include <OpenGl_PrinterContext.hxx>
-#ifdef HAVE_OPENCL
- #include <OpenGl_SceneGeometry.hxx>
-#endif
+#include <OpenGl_SceneGeometry.hxx>
#include <OpenGl_TextParam.hxx>
#include <OpenGl_RenderFilter.hxx>
#include <OpenGl_Vec.hxx>
+#include <OpenGl_LineAttributes.hxx>
+#include <OpenGl_CappingAlgo.hxx>
+
-#include <Handle_OpenGl_View.hxx>
-#include <Handle_OpenGl_Texture.hxx>
+#include <OpenGl_ShaderObject.hxx>
+#include <OpenGl_ShaderProgram.hxx>
+#include <OpenGl_TextureBufferArb.hxx>
class OpenGl_AspectLine;
class OpenGl_AspectMarker;
class OpenGl_AspectText;
class OpenGl_FrameBuffer;
class OpenGl_Structure;
+class OpenGl_TriangleSet;
class OpenGl_Element;
class Image_PixMap;
};
+class OpenGl_RaytraceFilter;
+DEFINE_STANDARD_HANDLE (OpenGl_RaytraceFilter, OpenGl_RenderFilter)
+
+//! Graphical ray-tracing filter.
+//! Filters out all raytracable structures.
+class OpenGl_RaytraceFilter : public OpenGl_RenderFilter
+{
+public:
+
+ //! Default constructor.
+ OpenGl_RaytraceFilter() {}
+
+ //! Returns the previously set filter.
+ const Handle(OpenGl_RenderFilter)& PrevRenderFilter()
+ {
+ return myPrevRenderFilter;
+ }
+
+ //! Remembers the previously set filter.
+ void SetPrevRenderFilter (const Handle(OpenGl_RenderFilter)& theFilter)
+ {
+ myPrevRenderFilter = theFilter;
+ }
+
+ //! Checks whether the element can be rendered or not.
+ //! @param theElement [in] the element to check.
+ //! @return True if element can be rendered.
+ virtual Standard_Boolean CanRender (const OpenGl_Element* theElement);
+
+private:
+
+ Handle(OpenGl_RenderFilter) myPrevRenderFilter;
+
+public:
+
+ DEFINE_STANDARD_RTTI(OpenGl_RaytraceFilter, OpenGl_RenderFilter)
+};
+
+class OpenGl_Workspace;
+DEFINE_STANDARD_HANDLE(OpenGl_Workspace,OpenGl_Window)
+
//! Represents window with GL context.
//! Provides methods to render primitives and maintain GL state.
class OpenGl_Workspace : public OpenGl_Window
public:
//! Main constructor - prepare GL context for specified window.
- OpenGl_Workspace (const Handle(OpenGl_Display)& theDisplay,
+ OpenGl_Workspace (const Handle(OpenGl_GraphicDriver)& theDriver,
const CALL_DEF_WINDOW& theCWindow,
Aspect_RenderingContext theGContext,
const Handle(OpenGl_Caps)& theCaps,
//! Destructor
virtual ~OpenGl_Workspace();
- void SetActiveView (const Handle(OpenGl_View)& theView) { myView = theView; }
- const Handle(OpenGl_View)& ActiveView () const { return myView; }
+ void SetActiveView (const Handle(OpenGl_View)& theView,
+ const Standard_Integer theViewId)
+ {
+ myView = theView;
+ myViewId = theViewId;
+ }
+
+ const Handle(OpenGl_View)& ActiveView() const { return myView; }
+
+ Standard_Integer ActiveViewId() const { return myViewId; }
//! Redraw the window.
void Redraw (const Graphic3d_CView& theCView,
Standard_Boolean SetImmediateModeDrawToFront (const Standard_Boolean theDrawToFrontBuffer);
void RedrawImmediate (const Graphic3d_CView& theCView,
const Aspect_CLayer2d& theCUnderLayer,
- const Aspect_CLayer2d& theCOverLayer,
- const Standard_Boolean theToForce = Standard_False);
+ const Aspect_CLayer2d& theCOverLayer);
void Invalidate (const Graphic3d_CView& /*theCView*/)
{
Image_PixMap& theImage,
const Graphic3d_BufferType& theBufferType);
- void UseTransparency (const Standard_Boolean theFlag);
- Standard_Boolean& UseZBuffer() { return myUseZBuffer; }
- Standard_Boolean& UseDepthTest() { return myUseDepthTest; }
- Standard_Boolean& UseGLLight() { return myUseGLLight; }
+ //! Setup Z-buffer usage flag (without affecting GL state!).
+ //! Returns previously set flag.
+ Standard_Boolean SetUseZBuffer (const Standard_Boolean theToUse)
+ {
+ const Standard_Boolean wasUsed = myUseZBuffer;
+ myUseZBuffer = theToUse;
+ return wasUsed;
+ }
+
+ Standard_Boolean& UseZBuffer() { return myUseZBuffer; }
+ Standard_Boolean& UseDepthWrite() { return myUseDepthWrite; }
+ Standard_Boolean& UseGLLight() { return myUseGLLight; }
+
+ Standard_Integer AntiAliasingMode() const { return myAntiAliasingMode; }
//// RELATED TO STATUS ////
const TEL_COLOUR* HighlightColor;
- const OpenGl_Matrix* SetViewMatrix (const OpenGl_Matrix* );
- const OpenGl_Matrix* SetStructureMatrix (const OpenGl_Matrix*, bool aRevert = false);
-
- //! Updates current model-view matrix
- //! replacing it with StructureMatrixT*ViewMatrix from the workspace.
- const void UpdateModelViewMatrix();
-
const OpenGl_AspectLine* SetAspectLine (const OpenGl_AspectLine* theAspect);
const OpenGl_AspectFace* SetAspectFace (const OpenGl_AspectFace* theAspect);
const OpenGl_AspectMarker* SetAspectMarker (const OpenGl_AspectMarker* theAspect);
Standard_EXPORT Handle(OpenGl_Texture) DisableTexture();
Standard_EXPORT Handle(OpenGl_Texture) EnableTexture (const Handle(OpenGl_Texture)& theTexture,
const Handle(Graphic3d_TextureParams)& theParams = NULL);
+ const Handle(OpenGl_Texture)& ActiveTexture() const { return myTextureBound; }
//! Set filter for restricting rendering of particular elements.
//! Filter can be applied for rendering passes used by recursive
//! @return applied model structure matrix.
inline const OpenGl_Matrix* ModelMatrix() const { return StructureMatrix_applied; }
+ //! Sets and applies current polygon offset.
+ void SetPolygonOffset (int theMode, Standard_ShortReal theFactor, Standard_ShortReal theUnits);
+
+ //! Returns currently applied polygon offset params.
+ const TEL_POFFSET_PARAM& AppliedPolygonOffset() { return PolygonOffset_applied; }
+
+ //! @return true if clipping algorithm enabled
+ inline Standard_Boolean IsCullingEnabled() const { return myIsCullingEnabled; }
+
+ //! Returns capping algorithm rendering filter.
+ const Handle(OpenGl_CappingAlgoFilter)& DefaultCappingAlgoFilter() const
+ {
+ return myDefaultCappingAlgoFilter;
+ }
+
+ //! Returns face aspect for none culling mode.
+ const OpenGl_AspectFace& NoneCulling() const
+ {
+ return myNoneCulling;
+ }
+
+ //! Returns face aspect for front face culling mode.
+ const OpenGl_AspectFace& FrontCulling() const
+ {
+ return myFrontCulling;
+ }
+
protected:
//! Copy content of Back buffer to the Front buffer
void copyBackToFront();
+ //! Blit image from/to specified buffers.
+ bool blitBuffers (OpenGl_FrameBuffer* theReadFbo,
+ OpenGl_FrameBuffer* theDrawFbo);
+
virtual Standard_Boolean Activate();
- void redraw1 (const Graphic3d_CView& theCView,
- const Aspect_CLayer2d& theCUnderLayer,
- const Aspect_CLayer2d& theCOverLayer,
- const int theToSwap);
+ void redraw1 (const Graphic3d_CView& theCView,
+ const Aspect_CLayer2d& theCUnderLayer,
+ const Aspect_CLayer2d& theCOverLayer,
+ OpenGl_FrameBuffer* theReadDrawFbo,
+ const Graphic3d_Camera::Projection theProjection);
+
+ //! Setup default FBO.
+ void bindDefaultFbo (OpenGl_FrameBuffer* theCustomFbo = NULL);
+
+ //! Blend together views pair into stereo image.
+ void drawStereoPair (const Graphic3d_CView& theCView);
+
+ //! Blit snapshot containing main scene (myMainSceneFbos or BackBuffer)
+ //! into presentation buffer (myMainSceneFbos -> offscreen FBO or myMainSceneFbos -> BackBuffer or BackBuffer -> FrontBuffer),
+ //! and redraw immediate structures on top.
+ //!
+ //! When scene caching is disabled (myTransientDrawToFront, no double buffer in window, etc.),
+ //! the first step (blitting) will be skipped.
+ //!
+ //! @return false if immediate structures has been rendered directly into FrontBuffer and Buffer Swap should not be called.
+ bool redrawImmediate (const Graphic3d_CView& theCView,
+ const Aspect_CLayer2d& theCUnderLayer,
+ const Aspect_CLayer2d& theCOverLayer,
+ OpenGl_FrameBuffer* theReadFbo,
+ const Graphic3d_Camera::Projection theProjection,
+ OpenGl_FrameBuffer* theDrawFbo,
+ const Standard_Boolean theIsPartialUpdate = Standard_False);
void updateMaterial (const int theFlag);
void setTextureParams (Handle(OpenGl_Texture)& theTexture,
const Handle(Graphic3d_TextureParams)& theParams);
-#ifdef HAVE_OPENCL
-
-public:
-
- //! Returns information about OpenCL device used for computations.
- Standard_Boolean GetOpenClDeviceInfo (
- NCollection_DataMap<TCollection_AsciiString, TCollection_AsciiString>& theInfo) const;
-
-protected:
-
- //! Describes result of OpenCL initializing.
- enum OpenClInitStatus
- {
- OpenGl_CLIS_NONE,
- OpenGl_CLIS_INIT,
- OpenGl_CLIS_FAIL
- };
-
-protected: //! @name methods related to ray-tracing
+protected: //! @name protected fields
- //! Updates 3D scene geometry for ray-tracing.
- Standard_Boolean UpdateRaytraceGeometry (Standard_Boolean theCheck);
+ //! Two framebuffers (left and right views) store cached main presentation
+ //! of the view (without presentation of immediate layers).
+ Handle(OpenGl_FrameBuffer) myMainSceneFbos[2];
+ //! Additional buffers for immediate layer in stereo mode.
+ Handle(OpenGl_FrameBuffer) myImmediateSceneFbos[2];
+ //! Special flag which is invalidated when myMainSceneFbos can not be blitted for some reason (e.g. driver bugs).
+ Standard_Boolean myHasFboBlit;
- //! Checks to see if the structure is modified.
- Standard_Boolean CheckRaytraceStructure (const OpenGl_Structure* theStructure);
-
- //! Updates 3D scene light sources for ray-tracing.
- Standard_Boolean UpdateRaytraceLightSources (const GLdouble theInvModelView[16]);
-
- //! Updates environment map for ray-tracing.
- Standard_Boolean UpdateRaytraceEnvironmentMap();
-
- //! Adds OpenGL structure to ray-traced scene geometry.
- Standard_Boolean AddRaytraceStructure (const OpenGl_Structure* theStructure,
- const Standard_ShortReal* theTransform, std::set<const OpenGl_Structure*>& theElements);
-
- //! Adds OpenGL primitive array to ray-traced scene geometry.
- OpenGl_TriangleSet* AddRaytracePrimitiveArray (
- const CALL_DEF_PARRAY* theArray, int theMatID, const Standard_ShortReal* theTrans);
-
- //! Adds vertex indices from OpenGL primitive array to ray-traced scene geometry.
- Standard_Boolean AddRaytraceVertexIndices (OpenGl_TriangleSet* theSet,
- const CALL_DEF_PARRAY* theArray, Standard_Integer theOffset, Standard_Integer theCount, Standard_Integer theMatID);
-
- //! Adds OpenGL triangle array to ray-traced scene geometry.
- Standard_Boolean AddRaytraceTriangleArray (OpenGl_TriangleSet* theSet,
- const CALL_DEF_PARRAY* theArray, Standard_Integer theOffset, Standard_Integer theCount, Standard_Integer theMatID);
-
- //! Adds OpenGL triangle fan array to ray-traced scene geometry.
- Standard_Boolean AddRaytraceTriangleFanArray (OpenGl_TriangleSet* theSet,
- const CALL_DEF_PARRAY* theArray, Standard_Integer theOffset, Standard_Integer theCount, Standard_Integer theMatID);
-
- //! Adds OpenGL triangle strip array to ray-traced scene geometry.
- Standard_Boolean AddRaytraceTriangleStripArray (OpenGl_TriangleSet* theSet,
- const CALL_DEF_PARRAY* theArray, Standard_Integer theOffset, Standard_Integer theCount, Standard_Integer theMatID);
-
- //! Adds OpenGL quadrangle array to ray-traced scene geometry.
- Standard_Boolean AddRaytraceQuadrangleArray (OpenGl_TriangleSet* theSet,
- const CALL_DEF_PARRAY* theArray, Standard_Integer theOffset, Standard_Integer theCount, Standard_Integer theMatID);
-
- //! Adds OpenGL quadrangle strip array to ray-traced scene geometry.
- Standard_Boolean AddRaytraceQuadrangleStripArray (OpenGl_TriangleSet* theSet,
- const CALL_DEF_PARRAY* theArray, Standard_Integer theOffset, Standard_Integer theCount, Standard_Integer theMatID);
-
- //! Adds OpenGL polygon array to ray-traced scene geometry.
- Standard_Boolean AddRaytracePolygonArray (OpenGl_TriangleSet* theSet,
- const CALL_DEF_PARRAY* theArray, Standard_Integer theOffset, Standard_Integer theCount, Standard_Integer theMatID);
-
- //! Initializes OpenCL resources.
- Standard_Boolean InitOpenCL();
-
- //! Releases OpenCL resources.
- void ReleaseOpenCL();
-
- //! Resizes OpenCL output image.
- Standard_Boolean ResizeRaytraceOutputBuffer (const cl_int theSizeX, const cl_int theSizeY);
-
- //! Writes scene geometry to OpenCl device.
- Standard_Boolean WriteRaytraceSceneToDevice();
-
- //! Runs OpenCL ray-tracing kernels.
- Standard_Boolean RunRaytraceOpenCLKernelsOld (const Graphic3d_CView& theCView,
- const GLfloat theOrigins[16],
- const GLfloat theDirects[16],
- const int theSizeX,
- const int theSizeY);
-
- //! Launches OpenCL ray-tracing kernels.
- Standard_Boolean RunRaytraceOpenCLKernels (const Graphic3d_CView& theCView,
- const Standard_ShortReal theOrigins[16],
- const Standard_ShortReal theDirects[16],
- const Standard_Integer theSizeX,
- const Standard_Integer theSizeY);
-
- //! Redraws the window using OpenCL ray tracing.
- Standard_Boolean Raytrace (const Graphic3d_CView& theCView,
- const int theSizeX, const int theSizeY, const Tint theToSwap);
-
-protected: //! @name fields related to ray-tracing
-
- //! Result of OpenCL initialization.
- OpenClInitStatus myComputeInitStatus;
- //! Is ATI/AMD OpenCL platform used?
- Standard_Boolean myIsAmdComputePlatform;
-
- //! Is geometry data valid?
- Standard_Boolean myIsRaytraceDataValid;
- //! Is geometry data musty be updated?
- Standard_Boolean myToUpdateRaytraceData;
-
- //! 3D scene geometry data for ray-tracing.
- OpenGl_RaytraceGeometry myRaytraceGeometry;
-
- //! Radius of bounding sphere of the scene.
- Standard_ShortReal myRaytraceSceneRadius;
- //! Scene epsilon to prevent self-intersections.
- Standard_ShortReal myRaytraceSceneEpsilon;
-
- //! OpenCL context.
- cl_context myComputeContext;
- //! OpenCL command queue.
- cl_command_queue myComputeQueue;
- //! OpenCL computing program.
- cl_program myRaytraceProgram;
- //! OpenCL ray-tracing render kernel.
- cl_kernel myRaytraceRenderKernel;
- //! OpenCL adaptive anti-aliasing kernel.
- cl_kernel myRaytraceSmoothKernel;
-
- //! OpenCL image to store environment map.
- cl_mem myRaytraceEnvironment;
- //! OpenCL image to store rendering result.
- cl_mem myRaytraceOutputImage;
- //! OpenCL image to store anti-aliasing result.
- cl_mem myRaytraceOutputImageAA;
-
- //! OpenGL texture to store rendering result.
- Handle(OpenGl_Texture) myRaytraceOutputTexture;
- //! OpenGL texture to store anti-aliasing result.
- Handle(OpenGl_Texture) myRaytraceOutputTextureAA;
-
- //! OpenCL buffer of material properties.
- cl_mem myRaytraceMaterialBuffer;
- //! OpenCL buffer of light source properties.
- cl_mem myRaytraceLightSourceBuffer;
-
- //! OpenCL buffer of vertex coords.
- cl_mem myGeometryVertexBuffer;
- //! OpenCL buffer of vertex normals.
- cl_mem myGeometryNormalBuffer;
- //! OpenCL buffer of triangle indices.
- cl_mem myGeometryTriangBuffer;
-
- //! OpenCL buffer of data records of high-level BVH nodes.
- cl_mem mySceneNodeInfoBuffer;
- //! OpenCL buffer of minimum points of high-level BVH nodes.
- cl_mem mySceneMinPointBuffer;
- //! OpenCL buffer of maximum points of high-level BVH nodes.
- cl_mem mySceneMaxPointBuffer;
-
- //! OpenCL buffer of data records of bottom-level BVH nodes.
- cl_mem myObjectNodeInfoBuffer;
- //! OpenCL buffer of minimum points of bottom-level BVH nodes.
- cl_mem myObjectMinPointBuffer;
- //! OpenCL buffer of maximum points of bottom-level BVH nodes.
- cl_mem myObjectMaxPointBuffer;
-
- //! State of OpenGL view.
- Standard_Size myViewModificationStatus;
- //! State of OpenGL layer list.
- Standard_Size myLayersModificationStatus;
-
- //! State of OpenGL structures reflected to ray-tracing.
- std::map<const OpenGl_Structure*, Standard_Size> myStructureStates;
-
-#endif // HAVE_OPENCL
-
-protected: //! @name protected fields
+ //! Vertices for full-screen quad rendering.
+ OpenGl_VertexBuffer myFullScreenQuad;
Handle(OpenGl_PrinterContext) myPrintContext;
- Handle(OpenGl_View) myView; // WSViews - now just one view is supported
+ Handle(OpenGl_View) myView;
+ Handle(OpenGl_LineAttributes) myLineAttribs;
+ Standard_Integer myViewId;
+ Standard_Integer myAntiAliasingMode;
Standard_Boolean myTransientDrawToFront; //!< optimization flag for immediate mode (to render directly to the front buffer)
Standard_Boolean myBackBufferRestored;
Standard_Boolean myIsImmediateDrawn; //!< flag indicates that immediate mode buffer contains some data
- Standard_Boolean myUseTransparency;
Standard_Boolean myUseZBuffer;
- Standard_Boolean myUseDepthTest;
+ Standard_Boolean myUseDepthWrite;
Standard_Boolean myUseGLLight;
+ Standard_Boolean myIsCullingEnabled; //!< frustum culling flag
+
+ unsigned int myFrameCounter; //!< redraw counter, for debugging
+
+ Handle(OpenGl_CappingAlgoFilter) myDefaultCappingAlgoFilter;
+ OpenGl_AspectFace myNoneCulling;
+ OpenGl_AspectFace myFrontCulling;
protected: //! @name fields related to status
OpenGl_Material myMatTmp; //!< temporary variable
TelCullMode myCullingMode; //!< back face culling mode, applied from face aspect
- //! Model matrix with applied structure transformations
- OpenGl_Matrix myModelViewMatrix;
+ OpenGl_Matrix myModelViewMatrix; //!< Model matrix with applied structure transformations
- const TEL_POFFSET_PARAM* PolygonOffset_applied;
+ TEL_POFFSET_PARAM PolygonOffset_applied; //!< Currently applied polygon offset.
- OpenGl_AspectFace myAspectFaceHl; // Hiddenline aspect
+ OpenGl_AspectFace myAspectFaceHl; //!< Hiddenline aspect
public: //! @name type definition
- DEFINE_STANDARD_RTTI(OpenGl_Workspace)
+ DEFINE_STANDARD_RTTI(OpenGl_Workspace, OpenGl_Window)
DEFINE_STANDARD_ALLOC
};
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