compilation for windows done corectly with glew ==> need to be tested on a real windows to test it

.gitmodules

@@ -31,3 +31,6 @@
 [submodule "Sources/libz/zlib"]
 	path = Sources/libz/zlib
 	url = https://github.com/madler/zlib.git
+[submodule "Sources/libglew/glew"]
+	path = Sources/libglew/glew
+	url = https://github.com/HeeroYui/glew.git

Build

@@ -1 +1 @@
-Subproject commit 69605919a97aa8ccf82eef24b15f960f9c8ba7af
+Subproject commit be3793f0e962b61ecc9e98bdd461b413e652772e

Sources/libewol/Android.mk

@@ -17,16 +17,19 @@ LOCAL_C_INCLUDES :=
 
 LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)
 
-LOCAL_EXPORT_LDLIBS := -lGLESv2 -ldl -llog
-#LOCAL_EXPORT_LDLIBS := -lGLESv1_CM  -ldl -llog
-
 LOCAL_CFLAGS := -Wno-write-strings \
                 -DEWOL_VERSION_TAG_NAME="\"$(LOCAL_VERSION_TAG_SHORT)-$(BUILD_DIRECTORY_MODE)\"" \
                 -DDATA_IN_APK
 
+ifeq ("$(SHADER)","1")
+	LOCAL_CFLAGS += -D__VIDEO__OPENGL_ES_2
+	LOCAL_EXPORT_CFLAGS := -D__VIDEO__OPENGL_ES_2
+	LOCAL_EXPORT_LDLIBS := -lGLESv2
+else
+	LOCAL_EXPORT_LDLIBS := -lGLESv1_CM
+endif
 
-LOCAL_CFLAGS += -D__VIDEO__OPENGL_ES_2
-LOCAL_EXPORT_CFLAGS := -D__VIDEO__OPENGL_ES_2
+LOCAL_EXPORT_LDLIBS += -ldl -llog
 
 # load the common sources file of the platform
 include $(LOCAL_PATH)/file.mk

Sources/libewol/Linux.mk

@@ -27,10 +27,10 @@ LOCAL_CFLAGS := -Wno-write-strings \
                 -DEWOL_VERSION_TAG_NAME="\"$(LOCAL_VERSION_TAG_SHORT)-$(BUILD_DIRECTORY_MODE)\"" \
                 -Wall
 
-
-LOCAL_CFLAGS += -D__VIDEO__OPENGL_ES_2
-LOCAL_EXPORT_CFLAGS := -D__VIDEO__OPENGL_ES_2
-
+ifeq ("$(SHADER)","1")
+	LOCAL_CFLAGS += -D__VIDEO__OPENGL_ES_2
+	LOCAL_EXPORT_CFLAGS := -D__VIDEO__OPENGL_ES_2
+endif
 
 # load the common sources file of the platform
 include $(LOCAL_PATH)/file.mk

Sources/libewol/Windows.mk

@@ -11,21 +11,17 @@ LOCAL_VERSION_TAG_SHORT=$(shell cd $(LOCAL_PATH) ; git describe --tags --abbrev=
 $(info $(LOCAL_MODULE) version TAG : $(LOCAL_VERSION_TAG))
 
 # name of the dependency
-LOCAL_LIBRARIES := etk freetype tinyxml libzip libpng parsersvg lua zlib
+LOCAL_LIBRARIES := etk freetype tinyxml libzip libpng parsersvg lua zlib glew
 
 LOCAL_C_INCLUDES := 
 
 LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)
-LOCAL_EXPORT_LDLIBS := -lopengl32 -lgdi32
+LOCAL_EXPORT_LDLIBS := 
 
 LOCAL_CFLAGS := -Wno-write-strings \
                 -DEWOL_VERSION_TAG_NAME="\"$(LOCAL_VERSION_TAG_SHORT)-$(BUILD_DIRECTORY_MODE)\"" \
                 -Wall
 
-
-#LOCAL_CFLAGS += -D__VIDEO__OPENGL_ES_2
-#LOCAL_EXPORT_CFLAGS := -D__VIDEO__OPENGL_ES_2
-
 # load the common sources file of the platform
 include $(LOCAL_PATH)/file.mk
 

Sources/libewol/ewol/openGL/openGL.h

@@ -60,11 +60,14 @@ extern "C" {
 #elif defined(__TARGET_OS__Windows)
 	#ifdef __VIDEO__OPENGL_ES_2
 		// TO ENABLE THE SHADER api ...
-		#define GL_GLEXT_PROTOTYPES
+		//#define GL_GLEXT_PROTOTYPES
+		#define GLEW_STATIC
+		#include <GL/glew.h>
+	#else
+		#include <GL/gl.h>
+		#include <GL/glu.h>
+		#include <GL/glext.h>
 	#endif
-	#include <GL/gl.h>
-	#include <GL/glu.h>
-	#include <GL/glext.h>
 #elif defined(__TARGET_OS__MacOs)
 	
 #elif defined(__TARGET_OS__IOs)

Sources/libewol/ewol/os/gui.Windows.cpp

@@ -211,6 +211,14 @@ int Windows_Run(void);
 
 int main(int argc, char *argv[])
 {
+	#ifdef __VIDEO__OPENGL_ES_2
+		glewInit();
+		if (!glewIsSupported("GL_VERSION_2_0")) {
+			fprintf(stderr, "OpenGL 2.0 not available\n");
+			return 1;
+		}
+	#endif
+	
 	ewol::CmdLine::Clean();
 	for( int32_t i=1 ; i<argc; i++) {
 		EWOL_INFO("CmdLine : \"" << argv[i] << "\"" );

Sources/libglew/Windows.mk

@@ -0,0 +1,18 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE    := glew
+
+#http://glew.sourceforge.net/index.html
+
+ifeq ("$(SHADER)","1")
+	LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/glew/include/
+	LOCAL_EXPORT_LDLIBS := $(LOCAL_PATH)/glew/lib/glew32s.lib -lopengl32 -lgdi32
+	# to enable open gl 2 mode
+	LOCAL_CFLAGS += -D__VIDEO__OPENGL_ES_2
+	LOCAL_EXPORT_CFLAGS := -D__VIDEO__OPENGL_ES_2
+endif
+
+include $(BUILD_PREBUILT)
+

Sources/libglew/glew

@@ -0,0 +1 @@
+Subproject commit 76748293c2611769297c2c97ed96dde8368bbbf0