// Created on: 2013-09-19
// Created by: Denis BOGOLEPOV
-// Copyright (c) 2013 OPEN CASCADE SAS
+// Copyright (c) 2013-2014 OPEN CASCADE SAS
//
-// The content of this file is subject to the Open CASCADE Technology Public
-// License Version 6.5 (the "License"). You may not use the content of this file
-// except in compliance with the License. Please obtain a copy of the License
-// at http://www.opencascade.org and read it completely before using this file.
+// This file is part of Open CASCADE Technology software library.
//
-// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
//
-// The Original Code and all software distributed under the License is
-// distributed on an "AS IS" basis, without warranty of any kind, and the
-// Initial Developer hereby disclaims all such warranties, including without
-// limitation, any warranties of merchantability, fitness for a particular
-// purpose or non-infringement. Please see the License for the specific terms
-// and conditions governing the rights and limitations under the License.
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
#ifndef _OpenGl_ShaderProgram_Header
#define _OpenGl_ShaderProgram_Header
#include <Graphic3d_ShaderObject.hxx>
#include <Graphic3d_ShaderProgram.hxx>
-#include <InterfaceGraphic_tgl_all.hxx>
-
#include <OpenGl_Vec.hxx>
#include <OpenGl_Matrix.hxx>
+#include <OpenGl_NamedResource.hxx>
#include <OpenGl_ShaderObject.hxx>
-#include <Handle_OpenGl_ShaderProgram.hxx>
+
+class OpenGl_ShaderProgram;
+DEFINE_STANDARD_HANDLE(OpenGl_ShaderProgram, OpenGl_NamedResource)
//! The enumeration of OCCT-specific OpenGL/GLSL variables.
enum OpenGl_StateVariable
OpenGl_OCC_PROJECTION_MATRIX_INVERSE_TRANSPOSE,
// OpenGL clip planes state
- OpenGl_OCC_CLIP_PLANE_0_EQUATION,
- OpenGl_OCC_CLIP_PLANE_1_EQUATION,
- OpenGl_OCC_CLIP_PLANE_2_EQUATION,
- OpenGl_OCC_CLIP_PLANE_3_EQUATION,
- OpenGl_OCC_CLIP_PLANE_4_EQUATION,
- OpenGl_OCC_CLIP_PLANE_5_EQUATION,
- OpenGl_OCC_CLIP_PLANE_6_EQUATION,
- OpenGl_OCC_CLIP_PLANE_7_EQUATION,
- OpenGl_OCC_CLIP_PLANE_0_SPACE,
- OpenGl_OCC_CLIP_PLANE_1_SPACE,
- OpenGl_OCC_CLIP_PLANE_2_SPACE,
- OpenGl_OCC_CLIP_PLANE_3_SPACE,
- OpenGl_OCC_CLIP_PLANE_4_SPACE,
- OpenGl_OCC_CLIP_PLANE_5_SPACE,
- OpenGl_OCC_CLIP_PLANE_6_SPACE,
- OpenGl_OCC_CLIP_PLANE_7_SPACE,
-
- OpenGl_OCC_LIGHT_SOURCE_COUNT,
+ OpenGl_OCC_CLIP_PLANE_EQUATIONS,
+ OpenGl_OCC_CLIP_PLANE_COUNT,
// OpenGL light state
- OpenGl_OCC_LIGHT_SOURCE_0_TYPE,
- OpenGl_OCC_LIGHT_SOURCE_1_TYPE,
- OpenGl_OCC_LIGHT_SOURCE_2_TYPE,
- OpenGl_OCC_LIGHT_SOURCE_3_TYPE,
- OpenGl_OCC_LIGHT_SOURCE_4_TYPE,
- OpenGl_OCC_LIGHT_SOURCE_5_TYPE,
- OpenGl_OCC_LIGHT_SOURCE_6_TYPE,
- OpenGl_OCC_LIGHT_SOURCE_7_TYPE,
- OpenGl_OCC_LIGHT_SOURCE_0_HEAD,
- OpenGl_OCC_LIGHT_SOURCE_1_HEAD,
- OpenGl_OCC_LIGHT_SOURCE_2_HEAD,
- OpenGl_OCC_LIGHT_SOURCE_3_HEAD,
- OpenGl_OCC_LIGHT_SOURCE_4_HEAD,
- OpenGl_OCC_LIGHT_SOURCE_5_HEAD,
- OpenGl_OCC_LIGHT_SOURCE_6_HEAD,
- OpenGl_OCC_LIGHT_SOURCE_7_HEAD,
- OpenGl_OCC_LIGHT_SOURCE_0_AMBIENT,
- OpenGl_OCC_LIGHT_SOURCE_1_AMBIENT,
- OpenGl_OCC_LIGHT_SOURCE_2_AMBIENT,
- OpenGl_OCC_LIGHT_SOURCE_3_AMBIENT,
- OpenGl_OCC_LIGHT_SOURCE_4_AMBIENT,
- OpenGl_OCC_LIGHT_SOURCE_5_AMBIENT,
- OpenGl_OCC_LIGHT_SOURCE_6_AMBIENT,
- OpenGl_OCC_LIGHT_SOURCE_7_AMBIENT,
- OpenGl_OCC_LIGHT_SOURCE_0_DIFFUSE,
- OpenGl_OCC_LIGHT_SOURCE_1_DIFFUSE,
- OpenGl_OCC_LIGHT_SOURCE_2_DIFFUSE,
- OpenGl_OCC_LIGHT_SOURCE_3_DIFFUSE,
- OpenGl_OCC_LIGHT_SOURCE_4_DIFFUSE,
- OpenGl_OCC_LIGHT_SOURCE_5_DIFFUSE,
- OpenGl_OCC_LIGHT_SOURCE_6_DIFFUSE,
- OpenGl_OCC_LIGHT_SOURCE_7_DIFFUSE,
- OpenGl_OCC_LIGHT_SOURCE_0_SPECULAR,
- OpenGl_OCC_LIGHT_SOURCE_1_SPECULAR,
- OpenGl_OCC_LIGHT_SOURCE_2_SPECULAR,
- OpenGl_OCC_LIGHT_SOURCE_3_SPECULAR,
- OpenGl_OCC_LIGHT_SOURCE_4_SPECULAR,
- OpenGl_OCC_LIGHT_SOURCE_5_SPECULAR,
- OpenGl_OCC_LIGHT_SOURCE_6_SPECULAR,
- OpenGl_OCC_LIGHT_SOURCE_7_SPECULAR,
- OpenGl_OCC_LIGHT_SOURCE_0_POSITION,
- OpenGl_OCC_LIGHT_SOURCE_1_POSITION,
- OpenGl_OCC_LIGHT_SOURCE_2_POSITION,
- OpenGl_OCC_LIGHT_SOURCE_3_POSITION,
- OpenGl_OCC_LIGHT_SOURCE_4_POSITION,
- OpenGl_OCC_LIGHT_SOURCE_5_POSITION,
- OpenGl_OCC_LIGHT_SOURCE_6_POSITION,
- OpenGl_OCC_LIGHT_SOURCE_7_POSITION,
- OpenGl_OCC_LIGHT_SOURCE_0_SPOT_CUTOFF,
- OpenGl_OCC_LIGHT_SOURCE_1_SPOT_CUTOFF,
- OpenGl_OCC_LIGHT_SOURCE_2_SPOT_CUTOFF,
- OpenGl_OCC_LIGHT_SOURCE_3_SPOT_CUTOFF,
- OpenGl_OCC_LIGHT_SOURCE_4_SPOT_CUTOFF,
- OpenGl_OCC_LIGHT_SOURCE_5_SPOT_CUTOFF,
- OpenGl_OCC_LIGHT_SOURCE_6_SPOT_CUTOFF,
- OpenGl_OCC_LIGHT_SOURCE_7_SPOT_CUTOFF,
- OpenGl_OCC_LIGHT_SOURCE_0_SPOT_EXPONENT,
- OpenGl_OCC_LIGHT_SOURCE_1_SPOT_EXPONENT,
- OpenGl_OCC_LIGHT_SOURCE_2_SPOT_EXPONENT,
- OpenGl_OCC_LIGHT_SOURCE_3_SPOT_EXPONENT,
- OpenGl_OCC_LIGHT_SOURCE_4_SPOT_EXPONENT,
- OpenGl_OCC_LIGHT_SOURCE_5_SPOT_EXPONENT,
- OpenGl_OCC_LIGHT_SOURCE_6_SPOT_EXPONENT,
- OpenGl_OCC_LIGHT_SOURCE_7_SPOT_EXPONENT,
- OpenGl_OCC_LIGHT_SOURCE_0_SPOT_DIRECTION,
- OpenGl_OCC_LIGHT_SOURCE_1_SPOT_DIRECTION,
- OpenGl_OCC_LIGHT_SOURCE_2_SPOT_DIRECTION,
- OpenGl_OCC_LIGHT_SOURCE_3_SPOT_DIRECTION,
- OpenGl_OCC_LIGHT_SOURCE_4_SPOT_DIRECTION,
- OpenGl_OCC_LIGHT_SOURCE_5_SPOT_DIRECTION,
- OpenGl_OCC_LIGHT_SOURCE_6_SPOT_DIRECTION,
- OpenGl_OCC_LIGHT_SOURCE_7_SPOT_DIRECTION,
- OpenGl_OCC_LIGHT_SOURCE_0_CONST_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_1_CONST_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_2_CONST_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_3_CONST_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_4_CONST_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_5_CONST_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_6_CONST_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_7_CONST_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_0_LINEAR_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_1_LINEAR_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_2_LINEAR_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_3_LINEAR_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_4_LINEAR_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_5_LINEAR_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_6_LINEAR_ATTENUATION,
- OpenGl_OCC_LIGHT_SOURCE_7_LINEAR_ATTENUATION,
+ OpenGl_OCC_LIGHT_SOURCE_COUNT,
+ OpenGl_OCC_LIGHT_SOURCE_TYPES,
+ OpenGl_OCC_LIGHT_SOURCE_PARAMS,
+ OpenGl_OCC_LIGHT_AMBIENT,
// Material state
- OpenGl_OCCT_ACTIVE_SAMPLER,
OpenGl_OCCT_TEXTURE_ENABLE,
OpenGl_OCCT_DISTINGUISH_MODE,
- OpenGl_OCCT_FRONT_MATERIAL_AMBIENT,
- OpenGl_OCCT_BACK_MATERIAL_AMBIENT,
- OpenGl_OCCT_FRONT_MATERIAL_DIFFUSE,
- OpenGl_OCCT_BACK_MATERIAL_DIFFUSE,
- OpenGl_OCCT_FRONT_MATERIAL_SPECULAR,
- OpenGl_OCCT_BACK_MATERIAL_SPECULAR,
- OpenGl_OCCT_FRONT_MATERIAL_EMISSION,
- OpenGl_OCCT_BACK_MATERIAL_EMISSION,
- OpenGl_OCCT_FRONT_MATERIAL_SHININESS,
- OpenGl_OCCT_BACK_MATERIAL_SHININESS,
- OpenGl_OCCT_FRONT_MATERIAL_TRANSPARENCY,
- OpenGl_OCCT_BACK_MATERIAL_TRANSPARENCY,
+ OpenGl_OCCT_FRONT_MATERIAL,
+ OpenGl_OCCT_BACK_MATERIAL,
+ OpenGl_OCCT_COLOR,
+
+ // Weighted, Blended Order-Independent Transparency rendering state
+ OpenGl_OCCT_OIT_OUTPUT,
+ OpenGl_OCCT_OIT_DEPTH_FACTOR,
+
+ // Context-dependent state
+ OpenGl_OCCT_TEXTURE_TRSF2D,
+ OpenGl_OCCT_POINT_SIZE,
// DON'T MODIFY THIS ITEM (insert new items before it)
OpenGl_OCCT_NUMBER_OF_STATE_VARIABLES
};
-class OpenGl_ShaderProgram;
-
//! Interface for generic setter of user-defined uniform variables.
struct OpenGl_SetterInterface
{
OpenGl_MODEL_WORLD_STATE,
OpenGl_WORLD_VIEW_STATE,
OpenGl_PROJECTION_STATE,
- OpenGl_MATERIALS_STATE
+ OpenGl_MATERIAL_STATE,
+ OpenGl_SURF_DETAIL_STATE,
+ OpenGL_OIT_STATE,
+ OpenGl_UniformStateType_NB
};
-//! Total number of state types.
-const int MaxStateTypes = 6;
-
//! Wrapper for OpenGL program object.
-class OpenGl_ShaderProgram : public OpenGl_Resource
+class OpenGl_ShaderProgram : public OpenGl_NamedResource
{
-
+ friend class OpenGl_View;
+ friend class OpenGl_ShaderManager;
+ DEFINE_STANDARD_RTTIEXT(OpenGl_ShaderProgram, OpenGl_NamedResource)
public:
//! Non-valid shader name.
//! List of pre-defined OCCT state uniform variables.
static Standard_CString PredefinedKeywords[OpenGl_OCCT_NUMBER_OF_STATE_VARIABLES];
-protected:
-
//! Creates uninitialized shader program.
+ //!
+ //! WARNING! This constructor is not intended to be called anywhere but from OpenGl_ShaderManager::Create().
+ //! Manager has been designed to synchronize camera position, lights definition and other aspects of the program implicitly,
+ //! as well as sharing same program across rendering groups.
+ //!
+ //! Program created outside the manager will be left detached from these routines,
+ //! and them should be performed manually by caller.
+ //!
+ //! This constructor has been made public to provide more flexibility to re-use OCCT OpenGL classes without OCCT Viewer itself.
+ //! If this is not the case - create the program using shared OpenGl_ShaderManager instance instead.
Standard_EXPORT OpenGl_ShaderProgram (const Handle(Graphic3d_ShaderProgram)& theProxy = NULL);
+protected:
+
static OpenGl_VariableSetterSelector mySetterSelector;
public:
Standard_EXPORT Standard_Boolean Create (const Handle(OpenGl_Context)& theCtx);
//! Destroys shader program.
- Standard_EXPORT virtual void Release (const OpenGl_Context* theCtx);
+ Standard_EXPORT virtual void Release (OpenGl_Context* theCtx) Standard_OVERRIDE;
+
+ //! Returns estimated GPU memory usage - cannot be easily estimated.
+ virtual Standard_Size EstimatedDataSize() const Standard_OVERRIDE { return 0; }
//! Attaches shader object to the program object.
Standard_EXPORT Standard_Boolean AttachShader (const Handle(OpenGl_Context)& theCtx,
//! Fetches uniform variables from proxy shader program.
Standard_EXPORT Standard_Boolean ApplyVariables (const Handle(OpenGl_Context)& theCtx);
- //! Sets the program object as part of current rendering state.
- Standard_EXPORT void Bind (const Handle(OpenGl_Context)& theCtx) const;
+ //! @return true if current object was initialized
+ inline bool IsValid() const
+ {
+ return myProgramID != NO_PROGRAM;
+ }
+
+ //! @return program ID
+ inline GLuint ProgramId() const
+ {
+ return myProgramID;
+ }
+
+public:
+
+ //! Return TRUE if program defines tessellation stage.
+ Standard_Boolean HasTessellationStage() const { return myHasTessShader; }
+
+ //! Return the length of array of light sources (THE_MAX_LIGHTS),
+ //! to be used for initialization occLightSources (OpenGl_OCC_LIGHT_SOURCE_PARAMS).
+ Standard_Integer NbLightsMax() const { return myNbLightsMax; }
- //! Binds the program object and applies variables from proxy shader program.
- Standard_EXPORT Standard_Boolean BindWithVariables (const Handle(OpenGl_Context)& theCtx);
+ //! Return the length of array of clipping planes (THE_MAX_CLIP_PLANES),
+ //! to be used for initialization occClipPlaneEquations (OpenGl_OCC_CLIP_PLANE_EQUATIONS).
+ Standard_Integer NbClipPlanesMax() const { return myNbClipPlanesMax; }
- //! Reverts to fixed-function graphics pipeline (FFP).
- Standard_EXPORT static void Unbind (const Handle(OpenGl_Context)& theCtx);
+ //! Return the length of array of Fragment Shader outputs (THE_NB_FRAG_OUTPUTS),
+ //! to be used for initialization occFragColorArray/occFragColorN.
+ Standard_Integer NbFragmentOutputs() const { return myNbFragOutputs; }
+
+ //! Return true if Fragment Shader color should output the weighted OIT coverage; FALSE by default.
+ Standard_Boolean HasWeightOitOutput() const { return myHasWeightOitOutput; }
private:
//! Returns index of last modification of variables of specified state type.
- Standard_EXPORT Standard_Size ActiveState (const OpenGl_UniformStateType theType) const;
+ Standard_Size ActiveState (const OpenGl_UniformStateType theType) const
+ {
+ return theType < OpenGl_UniformStateType_NB
+ ? myCurrentState[theType]
+ : 0;
+ }
//! Updates index of last modification of variables of specified state type.
- Standard_EXPORT void UpdateState (const OpenGl_UniformStateType theType,
- const Standard_Size theIndex);
+ void UpdateState (const OpenGl_UniformStateType theType,
+ const Standard_Size theIndex)
+ {
+ if (theType < OpenGl_UniformStateType_NB)
+ {
+ myCurrentState[theType] = theIndex;
+ }
+ }
public:
GLint theIndex,
OpenGl_Vec4& theValue) const;
+public:
+
+ //! Wrapper for glBindAttribLocation()
+ Standard_EXPORT Standard_Boolean SetAttributeName (const Handle(OpenGl_Context)& theCtx,
+ GLint theIndex,
+ const GLchar* theName);
+
+ //! Wrapper for glVertexAttrib1f()
+ Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
+ const GLchar* theName,
+ GLfloat theValue);
+
+ //! Wrapper for glVertexAttrib1f()
+ Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
+ GLint theIndex,
+ GLfloat theValue);
+
+ //! Wrapper for glVertexAttrib2fv()
+ Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
+ const GLchar* theName,
+ const OpenGl_Vec2& theValue);
+
+ //! Wrapper for glVertexAttrib2fv()
+ Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
+ GLint theIndex,
+ const OpenGl_Vec2& theValue);
+
+ //! Wrapper for glVertexAttrib3fv()
+ Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
+ const GLchar* theName,
+ const OpenGl_Vec3& theValue);
+
+ //! Wrapper for glVertexAttrib3fv()
+ Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
+ GLint theIndex,
+ const OpenGl_Vec3& theValue);
+
+ //! Wrapper for glVertexAttrib4fv()
+ Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
+ const GLchar* theName,
+ const OpenGl_Vec4& theValue);
+
+ //! Wrapper for glVertexAttrib4fv()
+ Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
+ GLint theIndex,
+ const OpenGl_Vec4& theValue);
+
public:
//! Specifies the value of the integer uniform variable.
GLint theLocation,
const OpenGl_Vec4i& theValue);
+public:
+
+ //! Specifies the value of the unsigned integer uniform 2D vector (uvec2).
+ Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
+ const GLchar* theName,
+ const OpenGl_Vec2u& theValue);
+
+ //! Specifies the value of the unsigned integer uniform 2D vector (uvec2).
+ Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
+ GLint theLocation,
+ const OpenGl_Vec2u& theValue);
+
+ //! Specifies the value of the uvec2 uniform array
+ Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
+ const GLchar* theName,
+ const GLsizei theCount,
+ const OpenGl_Vec2u* theValue);
+
+ //! Specifies the value of the uvec2 uniform array
+ Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
+ GLint theLocation,
+ const GLsizei theCount,
+ const OpenGl_Vec2u* theValue);
+
public:
//! Specifies the value of the float uniform variable.
//! Specifies the value of the float uniform 4x4 matrix.
Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
const GLchar* theName,
- const OpenGl_Matrix& theValue,
+ const OpenGl_Mat4& theValue,
GLboolean theTranspose = GL_FALSE);
//! Specifies the value of the float uniform 4x4 matrix.
Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
GLint theLocation,
- const OpenGl_Matrix& theValue,
+ const OpenGl_Mat4& theValue,
GLboolean theTranspose = GL_FALSE);
//! Specifies the value of the float uniform 4x4 matrix.
Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
const GLchar* theName,
- const Tmatrix3& theValue,
+ const OpenGl_Matrix& theValue,
GLboolean theTranspose = GL_FALSE);
//! Specifies the value of the float uniform 4x4 matrix.
Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
GLint theLocation,
- const Tmatrix3& theValue,
+ const OpenGl_Matrix& theValue,
GLboolean theTranspose = GL_FALSE);
+ //! Specifies the value of the float uniform array
+ Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
+ GLint theLocation,
+ GLuint theCount,
+ const Standard_ShortReal* theData);
+
+ //! Specifies the value of the float2 uniform array
+ Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
+ GLint theLocation,
+ GLuint theCount,
+ const OpenGl_Vec2* theData);
+
+ //! Specifies the value of the float3 uniform array
+ Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
+ GLint theLocation,
+ GLuint theCount,
+ const OpenGl_Vec3* theData);
+
+ //! Specifies the value of the float4 uniform array
+ Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
+ GLint theLocation,
+ GLuint theCount,
+ const OpenGl_Vec4* theData);
+
+ //! Specifies the value of the integer uniform array
+ Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
+ GLint theLocation,
+ GLuint theCount,
+ const Standard_Integer* theData);
+
+ //! Specifies the value of the int2 uniform array
+ Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
+ GLint theLocation,
+ GLuint theCount,
+ const OpenGl_Vec2i* theData);
+
+ //! Specifies the value of the int3 uniform array
+ Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
+ GLint theLocation,
+ GLuint theCount,
+ const OpenGl_Vec3i* theData);
+
+ //! Specifies the value of the int4 uniform array
+ Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
+ GLint theLocation,
+ GLuint theCount,
+ const OpenGl_Vec4i* theData);
+
public:
//! Specifies the value of the sampler uniform variable.
Standard_EXPORT Standard_Boolean SetSampler (const Handle(OpenGl_Context)& theCtx,
const GLchar* theName,
- const GLenum theTextureUnit);
+ const Graphic3d_TextureUnit theTextureUnit);
//! Specifies the value of the sampler uniform variable.
Standard_EXPORT Standard_Boolean SetSampler (const Handle(OpenGl_Context)& theCtx,
GLint theLocation,
- const GLenum theTextureUnit);
+ const Graphic3d_TextureUnit theTextureUnit);
protected:
OpenGl_ShaderList myShaderObjects; //!< List of attached shader objects
Handle(Graphic3d_ShaderProgram) myProxy; //!< Proxy shader program (from application layer)
Standard_Integer myShareCount; //!< program users count, initialized with 1 (already shared by one user)
+ Standard_Integer myNbLightsMax; //!< length of array of light sources (THE_MAX_LIGHTS)
+ Standard_Integer myNbClipPlanesMax; //!< length of array of clipping planes (THE_MAX_CLIP_PLANES)
+ Standard_Integer myNbFragOutputs; //!< length of array of Fragment Shader outputs (THE_NB_FRAG_OUTPUTS)
+ Standard_Boolean myHasWeightOitOutput; //!< flag indicating that Fragment Shader includes weighted OIT coverage
+ Standard_Boolean myHasTessShader; //!< flag indicating that program defines tessellation stage
protected:
- //! Defines last modification for variables of each state type.
- Standard_Size myCurrentState[MaxStateTypes];
+ Standard_Size myCurrentState[OpenGl_UniformStateType_NB]; //!< defines last modification for variables of each state type
//! Stores locations of OCCT state uniform variables.
GLint myStateLocations[OpenGl_OCCT_NUMBER_OF_STATE_VARIABLES];
-public:
-
- DEFINE_STANDARD_RTTI (OpenGl_ShaderProgram)
- friend class OpenGl_ShaderManager;
-
};
template<class T>
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