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Switched to using Qt for loading extensions, instead of GLEW.

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This commit is contained in:
David Williams 2015-02-09 23:17:33 +01:00
parent f042584ed5
commit ec80bfe740
8 changed files with 21 additions and 42 deletions
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8
examples/Basic/CMakeLists.txt
View File

@ -32,17 +32,13 @@ SET(INC_FILES
../common/OpenGLWidget.h
)
add_definitions(-DGLEW_STATIC)
#"Sources" and "Headers" are the group names in Visual Studio.
#They may have other uses too...
SOURCE_GROUP("Sources" FILES ${SRC_FILES})
SOURCE_GROUP("Headers" FILES ${INC_FILES})
FIND_PACKAGE(OpenGL REQUIRED)
#Tell CMake the paths for OpenGL and for PolyVox (which is just relative to our current location)
INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR} ${PolyVoxHeaders_SOURCE_DIR} ${GLEW_SOURCE_DIR})
INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR} ${PolyVoxHeaders_SOURCE_DIR} ../common)
#This will include the shader files inside the compiled binary
QT5_ADD_RESOURCES(COMMON_RESOURCES_RCC ../common/example.qrc)
@ -55,7 +51,7 @@ ADD_EXECUTABLE(BasicExample ${SRC_FILES} ${COMMON_RESOURCES_RCC})
IF(MSVC)
SET_TARGET_PROPERTIES(BasicExample PROPERTIES COMPILE_FLAGS "/W4 /wd4127") #All warnings
ENDIF(MSVC)
TARGET_LINK_LIBRARIES(BasicExample glew Qt5::OpenGL ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY})
TARGET_LINK_LIBRARIES(BasicExample Qt5::OpenGL)
SET_PROPERTY(TARGET BasicExample PROPERTY FOLDER "Examples")
#Install - Only install the example in Windows

8
examples/DecodeOnGPU/CMakeLists.txt
View File

@ -34,12 +34,8 @@ SET(INC_FILES
OpenGLWidget.h
)
add_definitions(-DGLEW_STATIC)
FIND_PACKAGE(OpenGL REQUIRED)
#Tell CMake the paths for OpenGL and for PolyVox (which is just relative to our current location)
INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR} ${PolyVoxHeaders_SOURCE_DIR} ${GLEW_SOURCE_DIR})
INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR} ${PolyVoxHeaders_SOURCE_DIR})
#This will include the shader files inside the compiled binary
QT4_ADD_RESOURCES(COMMON_RESOURCES_RCC ../common/example.qrc)
@ -53,7 +49,7 @@ ADD_EXECUTABLE(DecodeOnGPUExample ${SRC_FILES} ${COMMON_RESOURCES_RCC} ${DECODE_
IF(MSVC)
SET_TARGET_PROPERTIES(DecodeOnGPUExample PROPERTIES COMPILE_FLAGS "/W4 /wd4127")
ENDIF(MSVC)
TARGET_LINK_LIBRARIES(DecodeOnGPUExample glew ${QT_LIBRARIES} ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY})
TARGET_LINK_LIBRARIES(DecodeOnGPUExample ${QT_LIBRARIES})
SET_PROPERTY(TARGET DecodeOnGPUExample PROPERTY FOLDER "Examples")
#Install - Only install the example in Windows

8
examples/OpenGL/CMakeLists.txt
View File

@ -42,17 +42,13 @@ SET(INC_FILES
Shapes.h
)
add_definitions(-DGLEW_STATIC)
#"Sources" and "Headers" are the group names in Visual Studio.
#They may have other uses too...
SOURCE_GROUP("Sources" FILES ${SRC_FILES})
SOURCE_GROUP("Headers" FILES ${INC_FILES})
FIND_PACKAGE(OpenGL REQUIRED)
#Tell CMake the paths for OpenGL and for PolyVox (which is just relative to our current location)
INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR} ${PolyVoxHeaders_SOURCE_DIR} ${GLEW_SOURCE_DIR})
INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR} ${PolyVoxHeaders_SOURCE_DIR} ../common)
#This will include the shader files inside the compiled binary
QT5_ADD_RESOURCES(COMMON_RESOURCES_RCC ../common/example.qrc)
@ -66,7 +62,7 @@ ADD_EXECUTABLE(OpenGLExample ${SRC_FILES} ${COMMON_RESOURCES_RCC} ${OPENGL_EXAMP
IF(MSVC)
SET_TARGET_PROPERTIES(OpenGLExample PROPERTIES COMPILE_FLAGS "/W4 /wd4127")
ENDIF(MSVC)
TARGET_LINK_LIBRARIES(OpenGLExample glew Qt5::OpenGL ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY})
TARGET_LINK_LIBRARIES(OpenGLExample Qt5::OpenGL)
SET_PROPERTY(TARGET OpenGLExample PROPERTY FOLDER "Examples")
#Install - Only install the example in Windows

8
examples/Paging/CMakeLists.txt
View File

@ -34,17 +34,13 @@ SET(INC_FILES
Perlin.h
)
add_definitions(-DGLEW_STATIC)
#"Sources" and "Headers" are the group names in Visual Studio.
#They may have other uses too...
SOURCE_GROUP("Sources" FILES ${SRC_FILES})
SOURCE_GROUP("Headers" FILES ${INC_FILES})
FIND_PACKAGE(OpenGL REQUIRED)
#Tell CMake the paths for OpenGL and for PolyVox (which is just relative to our current location)
INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR} ${PolyVoxHeaders_SOURCE_DIR} ${GLEW_SOURCE_DIR})
INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR} ${PolyVoxHeaders_SOURCE_DIR} ../common)
#This will include the shader files inside the compiled binary
QT5_ADD_RESOURCES(COMMON_RESOURCES_RCC ../common/example.qrc)
@ -57,7 +53,7 @@ ADD_EXECUTABLE(PagingExample ${SRC_FILES} ${COMMON_RESOURCES_RCC})
IF(MSVC)
SET_TARGET_PROPERTIES(PagingExample PROPERTIES COMPILE_FLAGS "/W4 /wd4127")
ENDIF(MSVC)
TARGET_LINK_LIBRARIES(PagingExample glew Qt5::OpenGL ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY})
TARGET_LINK_LIBRARIES(PagingExample Qt5::OpenGL)
SET_PROPERTY(TARGET PagingExample PROPERTY FOLDER "Examples")
#Install - Only install the example in Windows

8
examples/SmoothLOD/CMakeLists.txt
View File

@ -32,17 +32,13 @@ SET(INC_FILES
../common/OpenGLWidget.h
)
add_definitions(-DGLEW_STATIC)
#"Sources" and "Headers" are the group names in Visual Studio.
#They may have other uses too...
SOURCE_GROUP("Sources" FILES ${SRC_FILES})
SOURCE_GROUP("Headers" FILES ${INC_FILES})
FIND_PACKAGE(OpenGL REQUIRED)
#Tell CMake the paths for OpenGL and for PolyVox (which is just relative to our current location)
INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR} ${PolyVoxHeaders_SOURCE_DIR} ${GLEW_SOURCE_DIR})
INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR} ${PolyVoxHeaders_SOURCE_DIR} ../common)
#This will include the shader files inside the compiled binary
QT5_ADD_RESOURCES(COMMON_RESOURCES_RCC ../common/example.qrc)
@ -55,7 +51,7 @@ ADD_EXECUTABLE(SmoothLODExample ${SRC_FILES} ${COMMON_RESOURCES_RCC})
IF(MSVC)
SET_TARGET_PROPERTIES(SmoothLODExample PROPERTIES COMPILE_FLAGS "/W4 /wd4127") #All warnings
ENDIF(MSVC)
TARGET_LINK_LIBRARIES(SmoothLODExample glew Qt5::OpenGL ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY})
TARGET_LINK_LIBRARIES(SmoothLODExample Qt5::OpenGL)
SET_PROPERTY(TARGET SmoothLODExample PROPERTY FOLDER "Examples")
#Install - Only install the example in Windows

10
examples/common/CMakeLists.txt
View File

@ -19,13 +19,11 @@
# 3. This notice may not be removed or altered from any source
# distribution.
project(GLEW)
#project(GLEW)
set(SRC_FILES ../common/glew/glew.cpp)
add_definitions(-DGLEW_STATIC)
#set(SRC_FILES ../common/glew/glew.cpp)
#find_package(OpenGL REQUIRED)
#include_directories(${OPENGL_INCLUDE_DIR})
add_library(glew STATIC ${SRC_FILES})
SET_PROPERTY(TARGET glew PROPERTY FOLDER "Examples/Common")
#add_library(glew STATIC ${SRC_FILES})
#SET_PROPERTY(TARGET glew PROPERTY FOLDER "Examples/Common")

7
examples/common/OpenGLWidget.cpp
View File

@ -61,11 +61,10 @@ void OpenGLWidget::mouseMoveEvent(QMouseEvent* event)
////////////////////////////////////////////////////////////////////////////////
void OpenGLWidget::initializeGL()
{
GLenum err = glewInit();
if (GLEW_OK != err)
if (!initializeOpenGLFunctions())
{
/* Problem: glewInit failed, something is seriously wrong. */
std::cout << "GLEW Error: " << glewGetErrorString(err) << std::endl;
std::cerr << "Could not initialize OpenGL functions" << std::endl;
exit(EXIT_FAILURE);
}
//Print out some information about the OpenGL implementation.

6
examples/common/OpenGLWidget.h
View File

@ -26,10 +26,12 @@ distribution.
#include "PolyVox/Mesh.h"
#include "glew/glew.h"
#include <QOpenGLFunctions_3_1>
#include <QGLWidget>
#include <QGLShaderProgram>
#include <QOpenGLVertexArrayObject>
#include <QOpenGLBuffer>
// This structure holds all the data required
// to render one of our meshes through OpenGL.
@ -47,7 +49,7 @@ struct OpenGLMeshData
// Our OpenGLWidget is used by all the examples to render the extracted meshes. It is
// fairly specific to our needs (you probably won't want to use it in your own project)
// but should provide a useful illustration of how PolyVox meshes can be rendered.
class OpenGLWidget : public QGLWidget
class OpenGLWidget : public QGLWidget, protected QOpenGLFunctions_3_1
{
public:
// Constructor