DEFINE_STANDARD_HANDLE (OpenGl_RaytraceFilter, OpenGl_RenderFilter)
-//! Graphical raytracing filter.
+//! Graphical ray-tracing filter.
//! Filters out all raytracable structures.
class OpenGl_RaytraceFilter : public OpenGl_RenderFilter
{
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; }
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);
OpenGl_RT_uOriginLB,
OpenGl_RT_uOriginRT,
OpenGl_RT_uOriginRB,
-
OpenGl_RT_uDirectLT,
OpenGl_RT_uDirectLB,
OpenGl_RT_uDirectRT,
OpenGl_RT_uDirectRB,
- OpenGl_RT_uInvModelProj,
-
+ OpenGl_RT_uUnviewMat,
+
OpenGl_RT_uSceneRad,
OpenGl_RT_uSceneEps,
-
OpenGl_RT_uLightAmbnt,
OpenGl_RT_uLightCount,
OpenGl_RT_uShadEnabled,
OpenGl_RT_uReflEnabled,
-
- OpenGl_RT_uInputTexture,
+ OpenGl_RT_uEnvMapEnable,
OpenGl_RT_uOffsetX,
OpenGl_RT_uOffsetY,
OpenGl_RT_uSamples,
+ OpenGl_RT_uWinSizeX,
+ OpenGl_RT_uWinSizeY,
- OpenGl_RT_uEnvironmentEnable,
+ OpenGl_RT_uTextures,
OpenGl_RT_NbVariables // special field
};
//! Defines texture samplers.
enum ShaderSamplerNames
{
- OpenGl_RT_SceneNodeInfoTexture = 0,
- OpenGl_RT_SceneMinPointTexture = 1,
- OpenGl_RT_SceneMaxPointTexture = 2,
+ OpenGl_RT_SceneNodeInfoTexture = 0,
+ OpenGl_RT_SceneMinPointTexture = 1,
+ OpenGl_RT_SceneMaxPointTexture = 2,
+ OpenGl_RT_SceneTransformTexture = 3,
- OpenGl_RT_ObjectNodeInfoTexture = 3,
- OpenGl_RT_ObjectMinPointTexture = 4,
- OpenGl_RT_ObjectMaxPointTexture = 5,
+ OpenGl_RT_GeometryVertexTexture = 4,
+ OpenGl_RT_GeometryNormalTexture = 5,
+ OpenGl_RT_GeometryTexCrdTexture = 6,
+ OpenGl_RT_GeometryTriangTexture = 7,
- OpenGl_RT_GeometryVertexTexture = 6,
- OpenGl_RT_GeometryNormalTexture = 7,
- OpenGl_RT_GeometryTriangTexture = 8,
+ OpenGl_RT_EnvironmentMapTexture = 8,
- OpenGl_RT_EnvironmentMapTexture = 9,
+ OpenGl_RT_RaytraceMaterialTexture = 9,
+ OpenGl_RT_RaytraceLightSrcTexture = 10,
- OpenGl_RT_RaytraceMaterialTexture = 10,
- OpenGl_RT_RaytraceLightSrcTexture = 11,
+ OpenGl_RT_FSAAInputTexture = 11,
- OpenGl_RT_FSAAInputTexture = 12,
-
- OpenGl_RT_SceneTransformTexture = 13,
-
- OpenGl_RT_OpenGlColorTexture = 14,
- OpenGl_RT_OpenGlDepthTexture = 15
+ OpenGl_RT_OpenGlColorTexture = 12,
+ OpenGl_RT_OpenGlDepthTexture = 13
};
//! Tool class for management of shader sources.
};
//! Default ray-tracing depth.
- static const Standard_Integer THE_DEFAULT_RAY_DEPTH = 3;
+ static const Standard_Integer THE_DEFAULT_NB_BOUNCES = 3;
//! Default size of traversal stack.
static const Standard_Integer THE_DEFAULT_STACK_SIZE = 24;
Standard_Integer StackSize;
//! Actual ray-tracing depth (number of ray bounces).
- Standard_Integer TraceDepth;
+ Standard_Integer NbBounces;
//! Sets light propagation through transparent media.
Standard_Boolean TransparentShadows;
//! Creates default compile-time ray-tracing parameters.
RaytracingParams()
: StackSize (THE_DEFAULT_STACK_SIZE),
- TraceDepth (THE_DEFAULT_RAY_DEPTH),
+ NbBounces (THE_DEFAULT_NB_BOUNCES),
TransparentShadows (Standard_False)
{
//
//! Checks to see if the structure is modified.
Standard_Boolean CheckRaytraceStructure (const OpenGl_Structure* theStructure);
+ //! Creates ray-tracing material properties.
+ Standard_Boolean CreateMaterial (const OpenGl_AspectFace* theAspect, OpenGl_RaytraceMaterial& theMaterial);
+
//! Updates 3D scene light sources for ray-tracing.
- Standard_Boolean UpdateRaytraceLightSources (const GLdouble theInvModelView[16]);
+ Standard_Boolean UpdateRaytraceLightSources (const OpenGl_Mat4& theInvModelView);
//! Updates environment map for ray-tracing.
Standard_Boolean UpdateRaytraceEnvironmentMap();
//! Adds OpenGL primitive array to ray-traced scene geometry.
OpenGl_TriangleSet* AddRaytracePrimitiveArray (
- const OpenGl_PrimitiveArray* theArray, int theMatID, const Standard_ShortReal* theTrans);
+ const OpenGl_PrimitiveArray* theArray, int theMatID, const OpenGl_Mat4* theTrans);
//! Adds vertex indices from OpenGL primitive array to ray-traced scene geometry.
Standard_Boolean AddRaytraceVertexIndices (OpenGl_TriangleSet& theSet,
//! Performs safe exit when shaders initialization fails.
Standard_Boolean SafeFailBack (const TCollection_ExtendedString& theMessage);
+ //! Generates shader prefix based on current ray-tracing options.
+ TCollection_AsciiString GenerateShaderPrefix();
+
//! Initializes OpenGL/GLSL shader programs.
Standard_Boolean InitRaytraceResources (const Graphic3d_CView& theCView);
const Standard_Integer theSizeY);
//! Generates viewing rays for corners of screen quad.
- void UpdateCamera (const NCollection_Mat4<GLdouble>& theOrientation,
- const NCollection_Mat4<GLdouble>& theViewMapping,
- OpenGl_Vec3 theOrigins[4],
- OpenGl_Vec3 theDirects[4],
- NCollection_Mat4<GLdouble>& theInvModelProj);
+ void UpdateCamera (const OpenGl_Mat4& theOrientation,
+ const OpenGl_Mat4& theViewMapping,
+ OpenGl_Vec3 theOrigins[4],
+ OpenGl_Vec3 theDirects[4],
+ OpenGl_Mat4& theInvModelProj);
+
+ //! Sets uniform state for the given ray-tracing shader program.
+ Standard_Boolean SetUniformState (const Graphic3d_CView& theCView,
+ const Standard_Integer theSizeX,
+ const Standard_Integer theSizeY,
+ const OpenGl_Vec3* theOrigins,
+ const OpenGl_Vec3* theDirects,
+ const OpenGl_Mat4& theUnviewMat,
+ const Standard_Integer theProgramIndex,
+ Handle(OpenGl_ShaderProgram)& theRaytraceProgram);
//! Runs ray-tracing shader programs.
Standard_Boolean RunRaytraceShaders (const Graphic3d_CView& theCView,
const Standard_Integer theSizeY,
const OpenGl_Vec3 theOrigins[4],
const OpenGl_Vec3 theDirects[4],
- const OpenGl_Matrix& theInvModelProj,
+ const OpenGl_Mat4& theUnviewMat,
OpenGl_FrameBuffer* theFrameBuffer);
//! Redraws the window using OpenGL/GLSL ray-tracing.
//! Is geometry data valid?
Standard_Boolean myIsRaytraceDataValid;
+ //! Warning about missing extension GL_ARB_bindless_texture has been displayed?
+ Standard_Boolean myIsRaytraceWarnTextures;
+
//! 3D scene geometry data for ray-tracing.
OpenGl_RaytraceGeometry myRaytraceGeometry;
//! OpenGL/GLSL adaptive-AA shader program.
Handle(OpenGl_ShaderProgram) myPostFSAAProgram;
- //! Texture buffer of data records of high-level BVH nodes.
+ //! Texture buffer of data records of bottom-level BVH nodes.
Handle(OpenGl_TextureBufferArb) mySceneNodeInfoTexture;
- //! Texture buffer of minimum points of high-level BVH nodes.
+ //! Texture buffer of minimum points of bottom-level BVH nodes.
Handle(OpenGl_TextureBufferArb) mySceneMinPointTexture;
- //! Texture buffer of maximum points of high-level BVH nodes.
+ //! Texture buffer of maximum points of bottom-level BVH nodes.
Handle(OpenGl_TextureBufferArb) mySceneMaxPointTexture;
//! Texture buffer of transformations of high-level BVH nodes.
Handle(OpenGl_TextureBufferArb) mySceneTransformTexture;
- //! Texture buffer of data records of bottom-level BVH nodes.
- Handle(OpenGl_TextureBufferArb) myObjectNodeInfoTexture;
- //! Texture buffer of minimum points of bottom-level BVH nodes.
- Handle(OpenGl_TextureBufferArb) myObjectMinPointTexture;
- //! Texture buffer of maximum points of bottom-level BVH nodes.
- Handle(OpenGl_TextureBufferArb) myObjectMaxPointTexture;
-
//! Texture buffer of vertex coords.
Handle(OpenGl_TextureBufferArb) myGeometryVertexTexture;
//! Texture buffer of vertex normals.
Handle(OpenGl_TextureBufferArb) myGeometryNormalTexture;
+ //! Texture buffer of vertex UV coords.
+ Handle(OpenGl_TextureBufferArb) myGeometryTexCrdTexture;
//! Texture buffer of triangle indices.
Handle(OpenGl_TextureBufferArb) myGeometryTriangTexture;
-
+
//! Texture buffer of material properties.
Handle(OpenGl_TextureBufferArb) myRaytraceMaterialTexture;
//! Texture buffer of light source properties.
//! Cached locations of frequently used uniform variables.
Standard_Integer myUniformLocations[2][OpenGl_RT_NbVariables];
- //! Graphical raytracing filter to filter out all raytracable structures.
+ //! Graphical ray-tracing filter to filter out all raytracable structures.
Handle(OpenGl_RaytraceFilter) myRaytraceFilter;
- //! Redraw the scene using OpenGL rasterization or raytracing?
+ //! Redraw the scene using OpenGL rasterization or ray-tracing?
Standard_Boolean myToRedrawGL;
protected: //! @name protected fields
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 myUseGLLight;
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