diff --git a/src/glcontext_egl.cpp b/src/glcontext_egl.cpp
index 716986f9..2850121e 100644
--- a/src/glcontext_egl.cpp
+++ b/src/glcontext_egl.cpp
@@ -24,34 +24,36 @@ namespace bgfx { namespace gl
 
 	typedef void (*EGLPROC)(void);
 
-	typedef EGLPROC    (EGLAPIENTRY* PFNEGLGETPROCADDRESSPROC)(const char *procname);
-	typedef EGLBoolean (EGLAPIENTRY* PFNEGLSWAPINTERVALPROC)(EGLDisplay dpy, EGLint interval);
-	typedef EGLBoolean (EGLAPIENTRY* PFNEGLMAKECURRENTPROC)(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
-	typedef EGLContext (EGLAPIENTRY* PFNEGLCREATECONTEXTPROC)(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list);
-	typedef EGLSurface (EGLAPIENTRY* PFNEGLCREATEWINDOWSURFACEPROC)(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const EGLint *attrib_list);
-	typedef EGLBoolean (EGLAPIENTRY* PFNEGLCHOOSECONFIGPROC)(EGLDisplay dpy, const EGLint *attrib_list,	EGLConfig *configs, EGLint config_size,	EGLint *num_config);
-	typedef EGLBoolean (EGLAPIENTRY* PFNEGLINITIALIZEPROC)(EGLDisplay dpy, EGLint *major, EGLint *minor);
-	typedef EGLint     (EGLAPIENTRY* PFNEGLGETERRORPROC)(void);
-	typedef EGLDisplay (EGLAPIENTRY* PFNEGLGETDISPLAYPROC)(EGLNativeDisplayType display_id);
-	typedef EGLBoolean (EGLAPIENTRY* PFNEGLTERMINATEPROC)(EGLDisplay dpy);
-	typedef EGLBoolean (EGLAPIENTRY* PFNEGLDESTROYSURFACEPROC)(EGLDisplay dpy, EGLSurface surface);
-	typedef EGLBoolean (EGLAPIENTRY* PFNEGLDESTROYCONTEXTPROC)(EGLDisplay dpy, EGLContext ctx);
-	typedef EGLBoolean (EGLAPIENTRY* PFNEGLSWAPBUFFERSPROC)(EGLDisplay dpy, EGLSurface surface);
+	typedef EGLBoolean  (EGLAPIENTRY* PFNEGLCHOOSECONFIGPROC)(EGLDisplay dpy, const EGLint *attrib_list,	EGLConfig *configs, EGLint config_size,	EGLint *num_config);
+	typedef EGLContext  (EGLAPIENTRY* PFNEGLCREATECONTEXTPROC)(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list);
+	typedef EGLSurface  (EGLAPIENTRY* PFNEGLCREATEWINDOWSURFACEPROC)(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const EGLint *attrib_list);
+	typedef EGLint      (EGLAPIENTRY* PFNEGLGETERRORPROC)(void);
+	typedef EGLDisplay  (EGLAPIENTRY* PFNEGLGETDISPLAYPROC)(EGLNativeDisplayType display_id);
+	typedef EGLPROC     (EGLAPIENTRY* PFNEGLGETPROCADDRESSPROC)(const char *procname);
+	typedef EGLBoolean  (EGLAPIENTRY* PFNEGLINITIALIZEPROC)(EGLDisplay dpy, EGLint *major, EGLint *minor);
+	typedef EGLBoolean  (EGLAPIENTRY* PFNEGLMAKECURRENTPROC)(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
+	typedef EGLBoolean  (EGLAPIENTRY* PFNEGLDESTROYCONTEXTPROC)(EGLDisplay dpy, EGLContext ctx);
+	typedef EGLBoolean  (EGLAPIENTRY* PFNEGLDESTROYSURFACEPROC)(EGLDisplay dpy, EGLSurface surface);
+	typedef const char* (EGLAPIENTRY* PGNEGLQUERYSTRINGPROC)(EGLDisplay dpy, EGLint name);
+	typedef EGLBoolean  (EGLAPIENTRY* PFNEGLSWAPBUFFERSPROC)(EGLDisplay dpy, EGLSurface surface);
+	typedef EGLBoolean  (EGLAPIENTRY* PFNEGLSWAPINTERVALPROC)(EGLDisplay dpy, EGLint interval);
+	typedef EGLBoolean  (EGLAPIENTRY* PFNEGLTERMINATEPROC)(EGLDisplay dpy);
 
 #define EGL_IMPORT \
-			EGL_IMPORT_FUNC(PFNEGLGETPROCADDRESSPROC,      eglGetProcAddress); \
-			EGL_IMPORT_FUNC(PFNEGLSWAPINTERVALPROC,        eglSwapInterval); \
-			EGL_IMPORT_FUNC(PFNEGLMAKECURRENTPROC,         eglMakeCurrent); \
+			EGL_IMPORT_FUNC(PFNEGLCHOOSECONFIGPROC,        eglChooseConfig); \
 			EGL_IMPORT_FUNC(PFNEGLCREATECONTEXTPROC,       eglCreateContext); \
 			EGL_IMPORT_FUNC(PFNEGLCREATEWINDOWSURFACEPROC, eglCreateWindowSurface); \
-			EGL_IMPORT_FUNC(PFNEGLCHOOSECONFIGPROC,        eglChooseConfig); \
-			EGL_IMPORT_FUNC(PFNEGLINITIALIZEPROC,          eglInitialize); \
-			EGL_IMPORT_FUNC(PFNEGLGETERRORPROC,            eglGetError); \
 			EGL_IMPORT_FUNC(PFNEGLGETDISPLAYPROC,          eglGetDisplay); \
-			EGL_IMPORT_FUNC(PFNEGLTERMINATEPROC,           eglTerminate); \
-			EGL_IMPORT_FUNC(PFNEGLDESTROYSURFACEPROC,      eglDestroySurface); \
+			EGL_IMPORT_FUNC(PFNEGLGETERRORPROC,            eglGetError); \
+			EGL_IMPORT_FUNC(PFNEGLGETPROCADDRESSPROC,      eglGetProcAddress); \
 			EGL_IMPORT_FUNC(PFNEGLDESTROYCONTEXTPROC,      eglDestroyContext); \
-			EGL_IMPORT_FUNC(PFNEGLSWAPBUFFERSPROC,         eglSwapBuffers);
+			EGL_IMPORT_FUNC(PFNEGLDESTROYSURFACEPROC,      eglDestroySurface); \
+			EGL_IMPORT_FUNC(PFNEGLINITIALIZEPROC,          eglInitialize); \
+			EGL_IMPORT_FUNC(PFNEGLMAKECURRENTPROC,         eglMakeCurrent); \
+			EGL_IMPORT_FUNC(PGNEGLQUERYSTRINGPROC,         eglQueryString); \
+			EGL_IMPORT_FUNC(PFNEGLSWAPBUFFERSPROC,         eglSwapBuffers); \
+			EGL_IMPORT_FUNC(PFNEGLSWAPINTERVALPROC,        eglSwapInterval); \
+			EGL_IMPORT_FUNC(PFNEGLTERMINATEPROC,           eglTerminate);
 
 #define EGL_IMPORT_FUNC(_proto, _func) _proto _func
 EGL_IMPORT
diff --git a/src/renderer_gl.cpp b/src/renderer_gl.cpp
index 7d0a0608..2b971871 100644
--- a/src/renderer_gl.cpp
+++ b/src/renderer_gl.cpp
@@ -1005,14 +1005,14 @@ namespace bgfx { namespace gl
 		GLuint id;
 		GL_CHECK(glGenTextures(1, &id) );
 		GL_CHECK(glBindTexture(GL_TEXTURE_2D, id) );
-		initTestTexture(_format);
+		GL_CHECK(glTexStorage2D(GL_TEXTURE_2D, 1, s_imageFormat[_format], 16, 16) );
 
 		glBindImageTexture(0
 			, id
 			, 0
 			, GL_FALSE
 			, 0
-			, GL_READ_WRITE
+			, GL_WRITE_ONLY
 			, s_imageFormat[_format]
 			);
 		GLenum err = glGetError();
@@ -3539,14 +3539,15 @@ namespace bgfx { namespace gl
 		}
 	}
 
-	bool TextureGL::init(GLenum _target, uint32_t _width, uint32_t _height, uint8_t _format, uint8_t _numMips, uint32_t _flags)
+	bool TextureGL::init(GLenum _target, uint32_t _width, uint32_t _height, uint32_t _depth, uint8_t _format, uint8_t _numMips, uint32_t _flags)
 	{
-		m_target = _target;
+		m_target  = _target;
 		m_numMips = _numMips;
-		m_flags = _flags;
-		m_currentFlags = UINT32_MAX;
-		m_width = _width;
-		m_height = _height;
+		m_flags   = _flags;
+		m_width   = _width;
+		m_height  = _height;
+		m_depth   = _depth;
+		m_currentFlags    = UINT32_MAX;
 		m_requestedFormat = _format;
 		m_textureFormat   = _format;
 
@@ -3585,7 +3586,25 @@ namespace bgfx { namespace gl
 
 			if (computeWrite)
 			{
-				GL_CHECK(glTexStorage2D(_target, _numMips, s_textureFormat[m_textureFormat].m_internalFmt, m_width, m_height));
+				if (_target == GL_TEXTURE_3D)
+				{
+					GL_CHECK(glTexStorage3D(_target
+							, _numMips
+							, s_textureFormat[m_textureFormat].m_internalFmt
+							, m_width
+							, m_height
+							, _depth
+							) );
+				}
+				else
+				{
+					GL_CHECK(glTexStorage2D(_target
+							, _numMips
+							, s_textureFormat[m_textureFormat].m_internalFmt
+							, m_width
+							, m_height
+							) );
+				}
 			}
 
 			setSamplerState(_flags);
@@ -3658,10 +3677,12 @@ namespace bgfx { namespace gl
 			numMips -= startLod;
 			uint32_t textureWidth;
 			uint32_t textureHeight;
+			uint32_t textureDepth;
 			{
 				const ImageBlockInfo& ibi = getBlockInfo(TextureFormat::Enum(imageContainer.m_format) );
 				textureWidth  = bx::uint32_max(ibi.blockWidth,  imageContainer.m_width >>startLod);
 				textureHeight = bx::uint32_max(ibi.blockHeight, imageContainer.m_height>>startLod);
+				textureDepth  = imageContainer.m_depth;
 			}
 
 			GLenum target = GL_TEXTURE_2D;
@@ -3677,6 +3698,7 @@ namespace bgfx { namespace gl
 			if (!init(target
 					, textureWidth
 					, textureHeight
+					, textureDepth
 					, imageContainer.m_format
 					, numMips
 					, _flags
diff --git a/src/renderer_gl.h b/src/renderer_gl.h
index 6dcd9a9c..8c77fd25 100644
--- a/src/renderer_gl.h
+++ b/src/renderer_gl.h
@@ -971,7 +971,7 @@ namespace bgfx { namespace gl
 		{
 		}
 
-		bool init(GLenum _target, uint32_t _width, uint32_t _height, uint8_t _format, uint8_t _numMips, uint32_t _flags);
+		bool init(GLenum _target, uint32_t _width, uint32_t _height, uint32_t _depth, uint8_t _format, uint8_t _numMips, uint32_t _flags);
 		void create(const Memory* _mem, uint32_t _flags, uint8_t _skip);
 		void destroy();
 		void update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem);
@@ -987,6 +987,7 @@ namespace bgfx { namespace gl
 		uint32_t m_currentFlags;
 		uint32_t m_width;
 		uint32_t m_height;
+		uint32_t m_depth;
 		uint8_t m_numMips;
 		uint8_t m_requestedFormat;
 		uint8_t m_textureFormat;