Test the library on OpenGL ES

[9prady9]

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[9prady9]

@pavanky I don't have OpenGL ES capable driver on my machine, neither do i know how to install - probably have to install an emulator. But i do know that Jetson TK1 has ES capable driver installed.

Can you test it on the Jetson in our office with the following diff.

diff --git a/src/glfw/window.cpp b/src/glfw/window.cpp
index 2e33406..41229e4 100644
--- a/src/glfw/window.cpp
+++ b/src/glfw/window.cpp
@@ -50,6 +50,7 @@ Widget::Widget(int pWidth, int pHeight, const char* pTitle, const Widget* pWindo
     glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
     glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+    glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);

     if (invisible)
         glfwWindowHint(GLFW_VISIBLE, GL_FALSE);

Essentially, you will be adding one line regarding glfw window hint for client API. Let me know how it goes.

As far as i understood the difference between ES and Desktop versions, we might face some issues with floating point textures on ES version. Also, texture formats are more restricted compared to desktop version.

[9prady9]

Started working on this and hit a road block. glbinding currently has only GL API bindings, they are to release GLES bindings soon either via glbinding or as a separate project. Awaiting the corresponding announcement.