From 84a136534ab00d989345fc0146f2c9c9c1c431b1 Mon Sep 17 00:00:00 2001 From: Erwin Coumans Date: Sun, 27 Mar 2016 10:21:05 -0700 Subject: [PATCH] add preliminary Android build files for Bullet add SimpleOpenGL3 example and show how to override keyboard, mouse, wheel, resize callbacks --- build3/Android/jni/Android.mk | 49 +++++++++++++++ build3/Android/jni/Application.mk | 7 +++ build3/premake4.lua | 1 + .../opengl_fontstashcallbacks.cpp | 1 - examples/SimpleOpenGL3/main.cpp | 59 ++++++++++++++++++- 5 files changed, 115 insertions(+), 2 deletions(-) create mode 100644 build3/Android/jni/Android.mk create mode 100644 build3/Android/jni/Application.mk diff --git a/build3/Android/jni/Android.mk b/build3/Android/jni/Android.mk new file mode 100644 index 000000000..d884e7c96 --- /dev/null +++ b/build3/Android/jni/Android.mk @@ -0,0 +1,49 @@ +LOCAL_PATH := ../../.. + +include $(CLEAR_VARS) + +LOCAL_CFLAGS := $(LOCAL_C_INCLUDES:%=-I%) -DUSE_PTHREADS -mfpu=neon -mfloat-abi=softfp -pthread -DSCE_PFX_USE_SIMD_VECTORMATH + +# apply these flags if needed +# -ffast-math -funsafe-math-optimizations + +# apply this to disable optimization +# TARGET_CFLAGS := $(TARGET_CFLAGS) -O0 + +# apply these 2 to turn on assembly output (*.c/*.cpp to *.s file) +#compile-cpp-source = $(eval $(call ev-compile-cpp-source,$1,$(1:%$(LOCAL_CPP_EXTENSION)=%.s))) +#TARGET_CFLAGS := $(TARGET_CFLAGS) -S + +# Enable or disable NEON. Don't forget to apply, or not apply, -mfpu=neon and -mfloat-abi=softfp +# flags in addition, e.g., if this is true both of those need to be included in LOCAL_CFLAGS +# to avoid the possibility that ndk-build will "forget" to add them on some files +LOCAL_ARM_NEON := true + +TARGET_CFLAGS := $(filter-out -ffpu=vfp,$(TARGET_CFLAGS)) + +# setup to build static library +LOCAL_MODULE := libBullet + +LOCAL_C_INCLUDES := $(LOCAL_PATH)/src + +#find all the file recursively under jni/ +FILE_LIST := $(wildcard \ + $(LOCAL_PATH)/src/LinearMath/*.cpp \ + $(LOCAL_PATH)/src/Bullet3Common/*.cpp \ + $(LOCAL_PATH)/src/BulletCollision/BroadphaseCollision/*.cpp \ + $(LOCAL_PATH)/src/BulletCollision/CollisionDispatch/*.cpp \ + $(LOCAL_PATH)/src/BulletCollision/CollisionShapes/*.cpp \ + $(LOCAL_PATH)/src/BulletCollision/NarrowPhaseCollision/*.cpp \ + $(LOCAL_PATH)/src/BulletDynamics/ConstraintSolver/*.cpp \ + $(LOCAL_PATH)/src/BulletDynamics/Dynamics/*.cpp \ + $(LOCAL_PATH)/src/BulletDynamics/Featherstone/*.cpp \ + $(LOCAL_PATH)/src/BulletDynamics/MLCPSolvers/*.cpp \ + $(LOCAL_PATH)/src/BulletDynamics/Vehicle/*.cpp \ + $(LOCAL_PATH)/src/BulletDynamics/Character/*.cpp \ + $(LOCAL_PATH)/src/BulletSoftBody/*.cpp \ + $(LOCAL_PATH)/src/BulletInverseDynamics/*.cpp \ + $(LOCAL_PATH)/src/BulletInverseDynamics/details/*.cpp \ + ) +LOCAL_SRC_FILES := $(FILE_LIST:$(LOCAL_PATH)/%=%) + +include $(BUILD_STATIC_LIBRARY) diff --git a/build3/Android/jni/Application.mk b/build3/Android/jni/Application.mk new file mode 100644 index 000000000..dca8463c5 --- /dev/null +++ b/build3/Android/jni/Application.mk @@ -0,0 +1,7 @@ +APP_MODULES := libBullet +APP_ABI := armeabi-v7a +APP_OPTIM := release + +#We only need STL for placement new (#include ) +#We don't use STL in Bullet +APP_STL := stlport_static diff --git a/build3/premake4.lua b/build3/premake4.lua index 6a8357b30..2cf1046ad 100644 --- a/build3/premake4.lua +++ b/build3/premake4.lua @@ -199,6 +199,7 @@ include "../examples/ExampleBrowser" include "../examples/OpenGLWindow" include "../examples/ThirdPartyLibs/Gwen" + include "../examples/SimpleOpenGL3" include "../examples/HelloWorld" include "../examples/BasicDemo" diff --git a/examples/OpenGLWindow/opengl_fontstashcallbacks.cpp b/examples/OpenGLWindow/opengl_fontstashcallbacks.cpp index 18db74692..be104f2b6 100644 --- a/examples/OpenGLWindow/opengl_fontstashcallbacks.cpp +++ b/examples/OpenGLWindow/opengl_fontstashcallbacks.cpp @@ -37,7 +37,6 @@ InternalOpenGL2RenderCallbacks::~InternalOpenGL2RenderCallbacks() void InternalOpenGL2RenderCallbacks::display2() { - assert(glGetError()==GL_NO_ERROR); // glViewport(0,0,10,10); diff --git a/examples/SimpleOpenGL3/main.cpp b/examples/SimpleOpenGL3/main.cpp index 68dc00366..bb833f33c 100644 --- a/examples/SimpleOpenGL3/main.cpp +++ b/examples/SimpleOpenGL3/main.cpp @@ -1,4 +1,5 @@ #include "OpenGLWindow/SimpleOpenGL3App.h" + #include "Bullet3Common/b3Vector3.h" #include "Bullet3Common/b3CommandLineArgs.h" #include "assert.h" @@ -8,6 +9,50 @@ char* gVideoFileName = 0; char* gPngFileName = 0; +static b3WheelCallback sOldWheelCB = 0; +static b3ResizeCallback sOldResizeCB = 0; +static b3MouseMoveCallback sOldMouseMoveCB = 0; +static b3MouseButtonCallback sOldMouseButtonCB = 0; +static b3KeyboardCallback sOldKeyboardCB = 0; +static b3RenderCallback sOldRenderCB = 0; + + +void MyWheelCallback(float deltax, float deltay) +{ + if (sOldWheelCB) + sOldWheelCB(deltax,deltay); +} +void MyResizeCallback( float width, float height) +{ + if (sOldResizeCB) + sOldResizeCB(width,height); +} +void MyMouseMoveCallback( float x, float y) +{ + printf("Mouse Move: %f, %f\n", x,y); + + if (sOldMouseMoveCB) + sOldMouseMoveCB(x,y); +} +void MyMouseButtonCallback(int button, int state, float x, float y) +{ + if (sOldMouseButtonCB) + sOldMouseButtonCB(button,state,x,y); +} + + +void MyKeyboardCallback(int keycode, int state) +{ + //keycodes are in examples/CommonInterfaces/CommonWindowInterface.h + //for example B3G_ESCAPE for escape key + //state == 1 for pressed, state == 0 for released. + // use app->m_window->isModifiedPressed(...) to check for shift, escape and alt keys + printf("MyKeyboardCallback received key:%c in state %d\n",keycode,state); + if (sOldKeyboardCB) + sOldKeyboardCB(keycode,state); +} + + int main(int argc, char* argv[]) { b3CommandLineArgs myArgs(argc,argv); @@ -17,8 +62,20 @@ int main(int argc, char* argv[]) app->m_instancingRenderer->getActiveCamera()->setCameraDistance(13); app->m_instancingRenderer->getActiveCamera()->setCameraPitch(0); app->m_instancingRenderer->getActiveCamera()->setCameraTargetPosition(0,0,0); + sOldKeyboardCB = app->m_window->getKeyboardCallback(); + app->m_window->setKeyboardCallback(MyKeyboardCallback); + sOldMouseMoveCB = app->m_window->getMouseMoveCallback(); + app->m_window->setMouseMoveCallback(MyMouseMoveCallback); + sOldMouseButtonCB = app->m_window->getMouseButtonCallback(); + app->m_window->setMouseButtonCallback(MyMouseButtonCallback); + sOldWheelCB = app->m_window->getWheelCallback(); + app->m_window->setWheelCallback(MyWheelCallback); + sOldResizeCB = app->m_window->getResizeCallback(); + app->m_window->setResizeCallback(MyResizeCallback); + - assert(glGetError()==GL_NO_ERROR); + + assert(glGetError()==GL_NO_ERROR); myArgs.GetCmdLineArgument("mp4_file",gVideoFileName); if (gVideoFileName)