diff --git a/cmake/FindGLEW.cmake b/cmake/FindGLEW.cmake new file mode 100644 index 000000000..54da20f12 --- /dev/null +++ b/cmake/FindGLEW.cmake @@ -0,0 +1,105 @@ +# Copyright (c) 2009 Boudewijn Rempt +# +# Redistribution and use is allowed according to the terms of the BSD license. +# For details see the accompanying COPYING-CMAKE-SCRIPTS file. +# +# - try to find glew library and include files +# GLEW_INCLUDE_DIR, where to find GL/glew.h, etc. +# GLEW_LIBRARIES, the libraries to link against +# GLEW_FOUND, If false, do not try to use GLEW. +# Also defined, but not for general use are: +# GLEW_GLEW_LIBRARY = the full path to the glew library. + +IF (WIN32) + + IF(CYGWIN) + + FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h) + + FIND_LIBRARY( GLEW_GLEW_LIBRARY glew32 + ${OPENGL_LIBRARY_DIR} + /usr/lib/w32api + /usr/X11R6/lib + ) + + + ELSE(CYGWIN) + + FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h + $ENV{GLEW_ROOT_PATH}/include + ) + + FIND_LIBRARY( GLEW_GLEW_LIBRARY + NAMES glew glew32 + PATHS + $ENV{GLEW_ROOT_PATH}/lib + ${OPENGL_LIBRARY_DIR} + ) + + ENDIF(CYGWIN) + +ELSE (WIN32) + + IF (APPLE) +# These values for Apple could probably do with improvement. + FIND_PATH( GLEW_INCLUDE_DIR glew.h + /System/Library/Frameworks/GLEW.framework/Versions/A/Headers + ${OPENGL_LIBRARY_DIR} + ) + SET(GLEW_GLEW_LIBRARY "-framework GLEW" CACHE STRING "GLEW library for OSX") + SET(GLEW_cocoa_LIBRARY "-framework Cocoa" CACHE STRING "Cocoa framework for OSX") + ELSE (APPLE) + + FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h + /usr/include/GL + /usr/openwin/share/include + /usr/openwin/include + /usr/X11R6/include + /usr/include/X11 + /opt/graphics/OpenGL/include + /opt/graphics/OpenGL/contrib/libglew + ) + + FIND_LIBRARY( GLEW_GLEW_LIBRARY GLEW + /usr/openwin/lib + /usr/X11R6/lib + ) + + ENDIF (APPLE) + +ENDIF (WIN32) + +SET( GLEW_FOUND "NO" ) +IF(GLEW_INCLUDE_DIR) + IF(GLEW_GLEW_LIBRARY) + # Is -lXi and -lXmu required on all platforms that have it? + # If not, we need some way to figure out what platform we are on. + SET( GLEW_LIBRARIES + ${GLEW_GLEW_LIBRARY} + ${GLEW_cocoa_LIBRARY} + ) + SET( GLEW_FOUND "YES" ) + +#The following deprecated settings are for backwards compatibility with CMake1.4 + SET (GLEW_LIBRARY ${GLEW_LIBRARIES}) + SET (GLEW_INCLUDE_PATH ${GLEW_INCLUDE_DIR}) + + ENDIF(GLEW_GLEW_LIBRARY) +ENDIF(GLEW_INCLUDE_DIR) + +IF(GLEW_FOUND) + IF(NOT GLEW_FIND_QUIETLY) + MESSAGE(STATUS "Found Glew: ${GLEW_LIBRARIES}") + ENDIF(NOT GLEW_FIND_QUIETLY) +ELSE(GLEW_FOUND) + IF(GLEW_FIND_REQUIRED) + MESSAGE(FATAL_ERROR "Could not find Glew") + ENDIF(GLEW_FIND_REQUIRED) +ENDIF(GLEW_FOUND) + +MARK_AS_ADVANCED( + GLEW_INCLUDE_DIR + GLEW_GLEW_LIBRARY + GLEW_Xmu_LIBRARY + GLEW_Xi_LIBRARY +) diff --git a/unsupported/Eigen/OpenGLSupport b/unsupported/Eigen/OpenGLSupport index 75e7ad48a..51e42899f 100644 --- a/unsupported/Eigen/OpenGLSupport +++ b/unsupported/Eigen/OpenGLSupport @@ -202,45 +202,114 @@ template void glRotate(const RotationBase& rot) #define EIGEN_GL_EVAL(X) X #define EIGEN_GL_FUNC1_DECLARATION(FUNC,ARG1,CONST) \ -template< typename XprType, \ - typename Scalar = typename XprType::Scalar, \ - int Rows = XprType::RowsAtCompileTime, \ - int Cols = XprType::ColsAtCompileTime, \ - bool IsGLCompatible = bool(XprType::Flags&LinearAccessBit) \ - && bool(XprType::Flags&DirectAccessBit) \ - && (XprType::IsVectorAtCompileTime || (XprType::Flags&RowMajorBit)==0)> \ -struct EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl); \ - \ -template \ -struct EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl) { \ - inline static void run(ARG1 a,EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) XprType& p) { \ - EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl)::type>::run(a,p); } \ -}; \ - \ -template inline void FUNC(ARG1 a,EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) Eigen::DenseBase& p) { \ - EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl)::run(a,p.derived()); \ +template< typename XprType, \ + typename Scalar = typename XprType::Scalar, \ + int Rows = XprType::RowsAtCompileTime, \ + int Cols = XprType::ColsAtCompileTime, \ + bool IsGLCompatible = bool(XprType::Flags&LinearAccessBit) \ + && bool(XprType::Flags&DirectAccessBit) \ + && (XprType::IsVectorAtCompileTime || (XprType::Flags&RowMajorBit)==0)> \ +struct EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl); \ + \ +template \ +struct EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl) { \ + inline static void run(ARG1 a,EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) XprType& p) { \ + EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl)::type>::run(a,p); } \ +}; \ + \ +template inline void FUNC(ARG1 a,EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) Eigen::DenseBase& p) { \ + EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl)::run(a,p.derived()); \ } #define EIGEN_GL_FUNC1_SPECIALIZATION_MAT(FUNC,ARG1,CONST,SCALAR,ROWS,COLS,SUFFIX) \ - template< typename XprType> struct EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl) { \ - inline static void run(ARG1 a, EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) XprType& p) { FUNC##SUFFIX(a,p.data()); } \ + template< typename XprType> struct EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl) { \ + inline static void run(ARG1 a, EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) XprType& p) { FUNC##SUFFIX(a,p.data()); } \ }; #define EIGEN_GL_FUNC1_SPECIALIZATION_VEC(FUNC,ARG1,CONST,SCALAR,SIZE,SUFFIX) \ - template< typename XprType> struct EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl) { \ - inline static void run(ARG1 a, EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) XprType& p) { FUNC##SUFFIX(a,p.data()); } \ - }; \ - template< typename XprType> struct EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl) { \ - inline static void run(ARG1 a, EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) XprType& p) { FUNC##SUFFIX(a,p.data()); } \ + template< typename XprType> struct EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl) { \ + inline static void run(ARG1 a, EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) XprType& p) { FUNC##SUFFIX(a,p.data()); } \ + }; \ + template< typename XprType> struct EIGEN_CAT(EIGEN_CAT(ei_gl_,FUNC),_impl) { \ + inline static void run(ARG1 a, EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) XprType& p) { FUNC##SUFFIX(a,p.data()); } \ }; - EIGEN_GL_FUNC1_DECLARATION (glGet,GLenum,_) EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glGet,GLenum,_,float, 4,4,Floatv) EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glGet,GLenum,_,double, 4,4,Doublev) +// glUniform API + +#ifdef GL_VERSION_2_0 + +void glUniform2fv_ei (GLint loc, const float* v) { glUniform2fv(loc,1,v); } +void glUniform2iv_ei (GLint loc, const int* v) { glUniform2iv(loc,1,v); } + +void glUniform3fv_ei (GLint loc, const float* v) { glUniform3fv(loc,1,v); } +void glUniform3iv_ei (GLint loc, const int* v) { glUniform3iv(loc,1,v); } + +void glUniform4fv_ei (GLint loc, const float* v) { glUniform4fv(loc,1,v); } +void glUniform4iv_ei (GLint loc, const int* v) { glUniform4iv(loc,1,v); } + +void glUniformMatrix2fv_ei (GLint loc, const float* v) { glUniformMatrix2fv(loc,1,false,v); } +void glUniformMatrix3fv_ei (GLint loc, const float* v) { glUniformMatrix3fv(loc,1,false,v); } +void glUniformMatrix4fv_ei (GLint loc, const float* v) { glUniformMatrix4fv(loc,1,false,v); } + + +EIGEN_GL_FUNC1_DECLARATION (glUniform,GLint,const) +EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,float, 2,2fv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,int, 2,2iv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,float, 3,3fv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,int, 3,3iv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,float, 4,4fv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,int, 4,4iv_ei) + +EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 2,2,Matrix2fv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 3,3,Matrix3fv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 4,4,Matrix4fv_ei) + +#endif + +#ifdef GL_VERSION_2_1 + +void glUniformMatrix2x3fv_ei(GLint loc, const float* v) { glUniformMatrix2x3fv(loc,1,false,v); } +void glUniformMatrix3x2fv_ei(GLint loc, const float* v) { glUniformMatrix3x2fv(loc,1,false,v); } +void glUniformMatrix2x4fv_ei(GLint loc, const float* v) { glUniformMatrix2x4fv(loc,1,false,v); } +void glUniformMatrix4x2fv_ei(GLint loc, const float* v) { glUniformMatrix4x2fv(loc,1,false,v); } +void glUniformMatrix3x4fv_ei(GLint loc, const float* v) { glUniformMatrix3x4fv(loc,1,false,v); } +void glUniformMatrix4x3fv_ei(GLint loc, const float* v) { glUniformMatrix4x3fv(loc,1,false,v); } + +EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 2,3,Matrix2x3fv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 3,2,Matrix3x2fv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 2,4,Matrix2x4fv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 4,2,Matrix4x2fv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 3,4,Matrix3x4fv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 4,3,Matrix4x3fv_ei) + +#endif + +#ifdef GL_VERSION_3_0 + +// void glUniform2dv_ei (GLint loc, const double* v) { glUniform2dv(loc,1,v); } +void glUniform2uiv_ei (GLint loc, const unsigned int* v) { glUniform2uiv(loc,1,v); } + +// void glUniform3dv_ei (GLint loc, const double* v) { glUniform3dv(loc,1,v); } +void glUniform3uiv_ei (GLint loc, const unsigned int* v) { glUniform3uiv(loc,1,v); } + +// void glUniform4dv_ei (GLint loc, const double* v) { glUniform4dv(loc,1,v); } +void glUniform4uiv_ei (GLint loc, const unsigned int* v) { glUniform4uiv(loc,1,v); } + +// EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,double, 2,2dv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,unsigned int, 2,2uiv_ei) +// EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,double, 3,3dv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,unsigned int, 3,3uiv_ei) +// EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,double, 4,4dv_ei) +EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,unsigned int, 4,4uiv_ei) + +#endif + //@} } diff --git a/unsupported/test/CMakeLists.txt b/unsupported/test/CMakeLists.txt index f6e561914..9204657e5 100644 --- a/unsupported/test/CMakeLists.txt +++ b/unsupported/test/CMakeLists.txt @@ -87,9 +87,11 @@ endif() find_package(OpenGL) find_package(GLUT) -if(OPENGL_FOUND AND GLUT_FOUND AND GLUT_LIBRARIES) +find_package(GLEW) +if(OPENGL_FOUND AND GLUT_FOUND AND GLUT_LIBRARIES AND GLEW_FOUND) ei_add_property(EIGEN_TESTED_BACKENDS "opengl, ") - ei_add_test(openglsupport "" "${GLUT_LIBRARIES}" ) + set(EIGEN_GL_LIB ${GLUT_LIBRARIES} ${GLEW_LIBRARIES}) + ei_add_test(openglsupport "" "${EIGEN_GL_LIB}" ) else() ei_add_property(EIGEN_MISSING_BACKENDS "opengl, ") endif() diff --git a/unsupported/test/openglsupport.cpp b/unsupported/test/openglsupport.cpp index 065679a40..3f67eed52 100644 --- a/unsupported/test/openglsupport.cpp +++ b/unsupported/test/openglsupport.cpp @@ -24,8 +24,9 @@ #include #include -#include +#include #include +#include using namespace Eigen; @@ -42,6 +43,84 @@ using namespace Eigen; VERIFY_IS_APPROX((REF).cast(), m); \ } +#define VERIFY_UNIFORM(NAME,TYPE) { \ + TYPE value; value.setRandom(); \ + TYPE data; \ + int loc = glGetUniformLocation(prg_id, #NAME); \ + VERIFY((loc!=-1) && "uniform not found"); \ + glUniform(loc,value); \ + glGetUniformfv(prg_id,loc,data.data()); \ + if(!value.isApprox(data)) { \ + std::cerr << "Expected:\n" << value << "\n" << "got\n" << data << "\n\n"; \ + } \ + VERIFY_IS_APPROX(value, data); \ + } + +#define VERIFY_UNIFORMi(NAME,TYPE) { \ + TYPE value; value.setRandom(); \ + TYPE data; \ + int loc = glGetUniformLocation(prg_id, #NAME); \ + VERIFY((loc!=-1) && "uniform not found"); \ + glUniform(loc,value); \ + glGetUniformiv(prg_id,loc,(GLint*)data.data()); \ + if(!value.isApprox(data)) { \ + std::cerr << "Expected:\n" << value << "\n" << "got\n" << data << "\n\n"; \ + } \ + VERIFY_IS_APPROX(value, data); \ + } + +void printInfoLog(GLuint objectID) +{ + int infologLength, charsWritten; + GLchar *infoLog; + glGetProgramiv(objectID,GL_INFO_LOG_LENGTH, &infologLength); + if(infologLength > 0) + { + infoLog = new GLchar[infologLength]; + glGetProgramInfoLog(objectID, infologLength, &charsWritten, infoLog); + if (charsWritten>0) + std::cerr << "Shader info : \n" << infoLog << std::endl; + delete[] infoLog; + } +} + +GLint createShader(const char* vtx, const char* frg) +{ + GLint prg_id = glCreateProgram(); + GLint vtx_id = glCreateShader(GL_VERTEX_SHADER); + GLint frg_id = glCreateShader(GL_FRAGMENT_SHADER); + GLint ok; + + glShaderSource(vtx_id, 1, &vtx, 0); + glCompileShader(vtx_id); + glGetShaderiv(vtx_id,GL_COMPILE_STATUS,&ok); + if(!ok) + { + std::cerr << "vtx compilation failed\n"; + } + + glShaderSource(frg_id, 1, &frg, 0); + glCompileShader(frg_id); + glGetShaderiv(frg_id,GL_COMPILE_STATUS,&ok); + if(!ok) + { + std::cerr << "frg compilation failed\n"; + } + + glAttachShader(prg_id, vtx_id); + glAttachShader(prg_id, frg_id); + glLinkProgram(prg_id); + glGetProgramiv(prg_id,GL_LINK_STATUS,&ok); + if(!ok) + { + std::cerr << "linking failed\n"; + } + printInfoLog(prg_id); + + glUseProgram(prg_id); + return prg_id; +} + void test_openglsupport() { int argc = 0; @@ -52,9 +131,15 @@ void test_openglsupport() if(glutCreateWindow("Eigen") <= 0) { - std::cerr << "Unable to create GLUT Window.\n"; + std::cerr << "Error: Unable to create GLUT Window.\n"; exit(1); } + + glewExperimental = GL_TRUE; + if(glewInit() != GLEW_OK) + { + std::cerr << "Warning: Failed to initialize GLEW\n"; + } Vector3f v3f; Matrix3f rot; @@ -144,4 +229,90 @@ void test_openglsupport() VERIFY_MATRIX(glScale(usd), Projective3d(usd).matrix()); } + // uniform + { + const char* vtx = "void main(void) { gl_Position = gl_Vertex; }\n"; + + if(GLEW_VERSION_2_0) + { + const char* frg = "" + "uniform vec2 v2f;\n" + "uniform vec3 v3f;\n" + "uniform vec4 v4f;\n" + "uniform ivec2 v2i;\n" + "uniform ivec3 v3i;\n" + "uniform ivec4 v4i;\n" + "uniform mat2 m2f;\n" + "uniform mat3 m3f;\n" + "uniform mat4 m4f;\n" + "void main(void) { gl_FragColor = vec4(v2f[0]+v3f[0]+v4f[0])+vec4(v2i[0]+v3i[0]+v4i[0])+vec4(m2f[0][0]+m3f[0][0]+m4f[0][0]); }\n"; + + GLint prg_id = createShader(vtx,frg); + + VERIFY_UNIFORM(v2f, Vector2f); + VERIFY_UNIFORM(v3f, Vector3f); + VERIFY_UNIFORM(v4f, Vector4f); + VERIFY_UNIFORMi(v2i, Vector2i); + VERIFY_UNIFORMi(v3i, Vector3i); + VERIFY_UNIFORMi(v4i, Vector4i); + VERIFY_UNIFORM(m2f, Matrix2f); + VERIFY_UNIFORM(m3f, Matrix3f); + VERIFY_UNIFORM(m4f, Matrix4f); + } + else + std::cerr << "Warning: opengl 2.0 was not tested\n"; + + if(GLEW_VERSION_2_1) + { + const char* frg = "#version 120\n" + "uniform mat2x3 m23f;\n" + "uniform mat3x2 m32f;\n" + "uniform mat2x4 m24f;\n" + "uniform mat4x2 m42f;\n" + "uniform mat3x4 m34f;\n" + "uniform mat4x3 m43f;\n" + "void main(void) { gl_FragColor = vec4(m23f[0][0]+m32f[0][0]+m24f[0][0]+m42f[0][0]+m34f[0][0]+m43f[0][0]); }\n"; + + GLint prg_id = createShader(vtx,frg); + + typedef Matrix Matrix23f; + typedef Matrix Matrix32f; + typedef Matrix Matrix24f; + typedef Matrix Matrix42f; + typedef Matrix Matrix34f; + typedef Matrix Matrix43f; + + VERIFY_UNIFORM(m23f, Matrix23f); + VERIFY_UNIFORM(m32f, Matrix32f); + VERIFY_UNIFORM(m24f, Matrix24f); + VERIFY_UNIFORM(m42f, Matrix42f); + VERIFY_UNIFORM(m34f, Matrix34f); + VERIFY_UNIFORM(m43f, Matrix43f); + } + else + std::cerr << "Warning: opengl 2.1 was not tested\n"; + + if(GLEW_VERSION_3_0) + { + const char* frg = "#version 150\n" + "uniform uvec2 v2ui;\n" + "uniform uvec3 v3ui;\n" + "uniform uvec4 v4ui;\n" + "out vec4 data;\n" + "void main(void) { data = vec4(v2ui[0]+v3ui[0]+v4ui[0]); }\n"; + + GLint prg_id = createShader(vtx,frg); + + typedef Matrix Vector2ui; + typedef Matrix Vector3ui; + typedef Matrix Vector4ui; + + VERIFY_UNIFORMi(v2ui, Vector2ui); +// VERIFY_UNIFORMi(v3ui, Vector3ui); +// VERIFY_UNIFORMi(v4ui, Vector4ui); + } + else + std::cerr << "Warning: opengl 3.0 was not tested\n"; + } + }