diff --git a/examples/12-lod/fs_tree.sc b/examples/12-lod/fs_tree.sc
index 4ff3b4805..0a80e71c4 100644
--- a/examples/12-lod/fs_tree.sc
+++ b/examples/12-lod/fs_tree.sc
@@ -7,8 +7,8 @@ $input v_pos, v_view, v_normal, v_texcoord0
 
 #include "../common/common.sh"
 
-SAMPLER2D(u_texColor, 0);
-SAMPLER2D(u_texStipple, 1);
+SAMPLER2D(s_texColor, 0);
+SAMPLER2D(s_texStipple, 1);
 uniform vec4 u_stipple;
 
 vec2 blinn(vec3 _lightDir, vec3 _normal, vec3 _viewDir)
@@ -23,8 +23,8 @@ void main()
 {
 	vec2 viewport = (u_viewRect.zw - u_viewRect.xy) * vec2(1.0/8.0, 1.0/4.0);
 	vec2 stippleUV = viewport*(v_pos.xy*0.5 + 0.5);
-	vec4 color = texture2D(u_texColor, v_texcoord0);
-	if ( (u_stipple.x - texture2D(u_texStipple,stippleUV).x)*u_stipple.y > u_stipple.z
+	vec4 color = texture2D(s_texColor, v_texcoord0);
+	if ( (u_stipple.x - texture2D(s_texStipple,stippleUV).x)*u_stipple.y > u_stipple.z
 	||   color.w < 0.5)
 	{
 		discard;
diff --git a/examples/12-lod/lod.cpp b/examples/12-lod/lod.cpp
index 931f64305..9c69c69e9 100644
--- a/examples/12-lod/lod.cpp
+++ b/examples/12-lod/lod.cpp
@@ -15,7 +15,7 @@ struct KnightPos
 	int32_t m_y;
 };
 
-KnightPos knightTour[8*4] =
+static const KnightPos knightTour[8*4] =
 {
 	{0,0}, {1,2}, {3,3}, {4,1}, {5,3}, {7,2}, {6,0}, {5,2},
 	{7,3}, {6,1}, {4,0}, {3,2}, {2,0}, {0,1}, {1,3}, {2,1},
@@ -23,275 +23,298 @@ KnightPos knightTour[8*4] =
 	{7,1}, {6,3}, {5,1}, {7,0}, {6,2}, {4,3}, {3,1}, {2,3},
 };
 
-int _main_(int _argc, char** _argv)
+class Lod : public entry::AppI
 {
-	Args args(_argc, _argv);
-
-	uint32_t width = 1280;
-	uint32_t height = 720;
-	uint32_t debug = BGFX_DEBUG_TEXT;
-	uint32_t reset = BGFX_RESET_VSYNC;
-
-	bgfx::init(args.m_type, args.m_pciId);
-	bgfx::reset(width, height, reset);
-
-	// Enable debug text.
-	bgfx::setDebug(debug);
-
-	// Set view 0 clear state.
-	bgfx::setViewClear(0
-		, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
-		, 0x303030ff
-		, 1.0f
-		, 0
-		);
-
-	bgfx::UniformHandle s_texColor   = bgfx::createUniform("s_texColor",   bgfx::UniformType::Int1);
-	bgfx::UniformHandle s_texStipple = bgfx::createUniform("s_texStipple", bgfx::UniformType::Int1);
-	bgfx::UniformHandle u_stipple    = bgfx::createUniform("u_stipple",    bgfx::UniformType::Vec4);
-
-	bgfx::ProgramHandle program = loadProgram("vs_tree", "fs_tree");
-
-	bgfx::TextureHandle textureLeafs = loadTexture("leafs1.dds");
-	bgfx::TextureHandle textureBark  = loadTexture("bark1.dds");
-
-	bgfx::TextureHandle textureStipple;
-
-	const bgfx::Memory* stippleTex = bgfx::alloc(8*4);
-	memset(stippleTex->data, 0, stippleTex->size);
-
-	for (uint32_t ii = 0; ii < 32; ++ii)
+	void init(int _argc, char** _argv) BX_OVERRIDE
 	{
-		stippleTex->data[knightTour[ii].m_y * 8 + knightTour[ii].m_x] = ii*4;
-	}
+		Args args(_argc, _argv);
 
-	textureStipple = bgfx::createTexture2D(8, 4, 1
+		m_width  = 1280;
+		m_height = 720;
+		m_debug  = BGFX_DEBUG_TEXT;
+		m_reset  = BGFX_RESET_VSYNC;
+
+		bgfx::init(args.m_type, args.m_pciId);
+		bgfx::reset(m_width, m_height, m_reset);
+
+		// Enable debug text.
+		bgfx::setDebug(m_debug);
+
+		// Set view 0 clear state.
+		bgfx::setViewClear(0
+			, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
+			, 0x303030ff
+			, 1.0f
+			, 0
+			);
+
+		s_texColor   = bgfx::createUniform("s_texColor",   bgfx::UniformType::Int1);
+		s_texStipple = bgfx::createUniform("s_texStipple", bgfx::UniformType::Int1);
+		u_stipple    = bgfx::createUniform("u_stipple",    bgfx::UniformType::Vec4);
+
+		m_program = loadProgram("vs_tree", "fs_tree");
+
+		m_textureLeafs = loadTexture("leafs1.dds");
+		m_textureBark  = loadTexture("bark1.dds");
+
+		const bgfx::Memory* stippleTex = bgfx::alloc(8*4);
+		memset(stippleTex->data, 0, stippleTex->size);
+
+		for (uint32_t ii = 0; ii < 32; ++ii)
+		{
+			stippleTex->data[knightTour[ii].m_y * 8 + knightTour[ii].m_x] = ii*4;
+		}
+
+		m_textureStipple = bgfx::createTexture2D(8, 4, 1
 			, bgfx::TextureFormat::R8
 			, BGFX_TEXTURE_MAG_POINT|BGFX_TEXTURE_MIN_POINT
 			, stippleTex
 			);
 
-	Mesh* meshTop[3] =
+		m_meshTop[0] = meshLoad("meshes/tree1b_lod0_1.bin");
+		m_meshTop[1] = meshLoad("meshes/tree1b_lod1_1.bin");
+		m_meshTop[2] = meshLoad("meshes/tree1b_lod2_1.bin");
+
+		m_meshTrunk[0] = meshLoad("meshes/tree1b_lod0_2.bin");
+		m_meshTrunk[1] = meshLoad("meshes/tree1b_lod1_2.bin");
+		m_meshTrunk[2] = meshLoad("meshes/tree1b_lod2_2.bin");
+
+		// Imgui.
+		imguiCreate();
+
+		m_scrollArea  = 0;
+		m_transitions = true;
+
+		m_transitionFrame = 0;
+		m_currLod         = 0;
+		m_targetLod       = 0;
+	}
+
+	virtual int shutdown() BX_OVERRIDE
 	{
-		meshLoad("meshes/tree1b_lod0_1.bin"),
-		meshLoad("meshes/tree1b_lod1_1.bin"),
-		meshLoad("meshes/tree1b_lod2_1.bin"),
-	};
+		imguiDestroy();
 
-	Mesh* meshTrunk[3] =
+		for (uint32_t ii = 0; ii < BX_COUNTOF(m_meshTop); ++ii)
+		{
+			meshUnload(m_meshTop[ii]);
+			meshUnload(m_meshTrunk[ii]);
+		}
+
+		// Cleanup.
+		bgfx::destroyProgram(m_program);
+
+		bgfx::destroyUniform(s_texColor);
+		bgfx::destroyUniform(s_texStipple);
+		bgfx::destroyUniform(u_stipple);
+
+		bgfx::destroyTexture(m_textureStipple);
+		bgfx::destroyTexture(m_textureLeafs);
+		bgfx::destroyTexture(m_textureBark);
+
+		// Shutdown bgfx.
+		bgfx::shutdown();
+
+		return 0;
+	}
+
+	bool update() BX_OVERRIDE
 	{
-		meshLoad("meshes/tree1b_lod0_2.bin"),
-		meshLoad("meshes/tree1b_lod1_2.bin"),
-		meshLoad("meshes/tree1b_lod2_2.bin"),
-	};
-
-	// Imgui.
-	imguiCreate();
-
-	const uint64_t stateCommon = 0
-		| BGFX_STATE_RGB_WRITE
-		| BGFX_STATE_ALPHA_WRITE
-		| BGFX_STATE_DEPTH_TEST_LESS
-		| BGFX_STATE_CULL_CCW
-		| BGFX_STATE_MSAA
-		;
-
-	const uint64_t stateTransparent = stateCommon
-		| BGFX_STATE_BLEND_ALPHA
-		;
-
-	const uint64_t stateOpaque = stateCommon
-		| BGFX_STATE_DEPTH_WRITE
-		;
-
-	int32_t scrollArea = 0;
-
-	bool transitions = true;
-	int transitionFrame = 0;
-	int currLOD = 0;
-	int targetLOD = 0;
-
-	float at[3] = { 0.0f, 1.0f, 0.0f };
-	float eye[3] = { 0.0f, 1.0f, -2.0f };
-
-	entry::MouseState mouseState;
-	while (!entry::processEvents(width, height, debug, reset, &mouseState) )
-	{
-		imguiBeginFrame(mouseState.m_mx
-			, mouseState.m_my
-			, (mouseState.m_buttons[entry::MouseButton::Left  ] ? IMGUI_MBUT_LEFT   : 0)
-			| (mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT  : 0)
-			| (mouseState.m_buttons[entry::MouseButton::Middle] ? IMGUI_MBUT_MIDDLE : 0)
-			, mouseState.m_mz
-			, width
-			, height
-			);
-
-		imguiBeginScrollArea("Toggle transitions", width - width / 5 - 10, 10, width / 5, height / 6, &scrollArea);
-		imguiSeparatorLine();
-
-		if (imguiButton(transitions ? "ON" : "OFF") )
+		if (!entry::processEvents(m_width, m_height, m_debug, m_reset, &m_mouseState) )
 		{
-			transitions = !transitions;
-		}
+			imguiBeginFrame(m_mouseState.m_mx
+				,  m_mouseState.m_my
+				, (m_mouseState.m_buttons[entry::MouseButton::Left  ] ? IMGUI_MBUT_LEFT   : 0)
+				| (m_mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT  : 0)
+				| (m_mouseState.m_buttons[entry::MouseButton::Middle] ? IMGUI_MBUT_MIDDLE : 0)
+				,  m_mouseState.m_mz
+				, m_width
+				, m_height
+				);
 
-		static float distance = 2.0f;
-		imguiSlider("Distance", distance, 2.0f, 6.0f, .01f);
+			imguiBeginScrollArea("Toggle m_transitions", m_width - m_width / 5 - 10, 10, m_width / 5, m_height / 6, &m_scrollArea);
+			imguiSeparatorLine();
 
-		imguiEndScrollArea();
-		imguiEndFrame();
-
-		// Set view 0 default viewport.
-		bgfx::setViewRect(0, 0, 0, width, height);
-
-		// This dummy draw call is here to make sure that view 0 is cleared
-		// if no other draw calls are submitted to view 0.
-		bgfx::touch(0);
-
-		int64_t now = bx::getHPCounter();
-		static int64_t last = now;
-		const int64_t frameTime = now - last;
-		last = now;
-		const double freq = double(bx::getHPFrequency() );
-		const double toMs = 1000.0/freq;
-
-		// Use debug font to print information about this example.
-		bgfx::dbgTextClear();
-		bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/12-lod");
-		bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Mesh LOD transitions.");
-		bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
-		bgfx::dbgTextPrintf(0, 4, transitions ? 0x2f : 0x1f, transitions ? "Transitions on" : "Transitions off");
-
-		eye[2] = -distance;
-
-		// Set view and projection matrix for view 0.
-		const bgfx::HMD* hmd = bgfx::getHMD();
-		if (NULL != hmd && 0 != (hmd->flags & BGFX_HMD_RENDERING) )
-		{
-			float view[16];
-			bx::mtxQuatTranslationHMD(view, hmd->eye[0].rotation, eye);
-
-			float proj[16];
-			bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 100.0f);
-
-			bgfx::setViewTransform(0, view, proj);
-
-			// Set view 0 default viewport.
-			//
-			// Use HMD's width/height since HMD's internal frame buffer size
-			// might be much larger than window size.
-			bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height);
-		}
-		else
-		{
-			float view[16];
-			bx::mtxLookAt(view, eye, at);
-
-			float proj[16];
-			bx::mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
-			bgfx::setViewTransform(0, view, proj);
-
-			// Set view 0 default viewport.
-			bgfx::setViewRect(0, 0, 0, width, height);
-		}
-
-		float mtx[16];
-		bx::mtxScale(mtx, 0.1f, 0.1f, 0.1f);
-
-		float stipple[3];
-		float stippleInv[3];
-
-		const int currentLODframe = transitions ? 32-transitionFrame : 32;
-		const int mainLOD = transitions ? currLOD : targetLOD;
-
-		stipple[0] = 0.0f;
-		stipple[1] = -1.0f;
-		stipple[2] = (float(currentLODframe)*4.0f/255.0f) - (1.0f/255.0f);
-
-		stippleInv[0] = (float(31)*4.0f/255.0f);
-		stippleInv[1] = 1.0f;
-		stippleInv[2] = (float(transitionFrame)*4.0f/255.0f) - (1.0f/255.0f);
-
-		bgfx::setTexture(0, s_texColor, textureBark);
-		bgfx::setTexture(1, s_texStipple, textureStipple);
-		bgfx::setUniform(u_stipple, stipple);
-		meshSubmit(meshTrunk[mainLOD], 0, program, mtx, stateOpaque);
-
-		bgfx::setTexture(0, s_texColor, textureLeafs);
-		bgfx::setTexture(1, s_texStipple, textureStipple);
-		bgfx::setUniform(u_stipple, stipple);
-		meshSubmit(meshTop[mainLOD], 0, program, mtx, stateTransparent);
-
-		if (transitions
-		&& (transitionFrame != 0) )
-		{
-			bgfx::setTexture(0, s_texColor, textureBark);
-			bgfx::setTexture(1, s_texStipple, textureStipple);
-			bgfx::setUniform(u_stipple, stippleInv);
-			meshSubmit(meshTrunk[targetLOD], 0, program, mtx, stateOpaque);
-
-			bgfx::setTexture(0, s_texColor, textureLeafs);
-			bgfx::setTexture(1, s_texStipple, textureStipple);
-			bgfx::setUniform(u_stipple, stippleInv);
-			meshSubmit(meshTop[targetLOD], 0, program, mtx, stateTransparent);
-		}
-
-		int lod = 0;
-		if (eye[2] < -2.5f)
-		{
-			lod = 1;
-		}
-
-		if (eye[2] < -5.0f)
-		{
-			lod = 2;
-		}
-
-		if (targetLOD!=lod)
-		{
-			if (targetLOD==currLOD)
+			if (imguiButton(m_transitions ? "ON" : "OFF") )
 			{
-				targetLOD = lod;
+				m_transitions = !m_transitions;
 			}
+
+			static float distance = 2.0f;
+			imguiSlider("Distance", distance, 2.0f, 6.0f, .01f);
+
+			imguiEndScrollArea();
+			imguiEndFrame();
+
+			// Set view 0 default viewport.
+			bgfx::setViewRect(0, 0, 0, m_width, m_height);
+
+			// This dummy draw call is here to make sure that view 0 is cleared
+			// if no other draw calls are submitted to view 0.
+			bgfx::touch(0);
+
+			int64_t now = bx::getHPCounter();
+			static int64_t last = now;
+			const int64_t frameTime = now - last;
+			last = now;
+			const double freq = double(bx::getHPFrequency() );
+			const double toMs = 1000.0/freq;
+
+			// Use debug font to print information about this example.
+			bgfx::dbgTextClear();
+			bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/12-lod");
+			bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Mesh LOD m_transitions.");
+			bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
+			bgfx::dbgTextPrintf(0, 4, m_transitions ? 0x2f : 0x1f, m_transitions ? "m_transitions on" : "m_transitions off");
+
+			float at[3]  = { 0.0f,      1.0f,  0.0f };
+			float eye[3] = { 0.0f, -distance, -2.0f };
+
+			// Set view and projection matrix for view 0.
+			const bgfx::HMD* hmd = bgfx::getHMD();
+			if (NULL != hmd && 0 != (hmd->flags & BGFX_HMD_RENDERING) )
+			{
+				float view[16];
+				bx::mtxQuatTranslationHMD(view, hmd->eye[0].rotation, eye);
+
+				float proj[16];
+				bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 100.0f);
+
+				bgfx::setViewTransform(0, view, proj);
+
+				// Set view 0 default viewport.
+				//
+				// Use HMD's m_width/m_height since HMD's internal frame buffer size
+				// might be much larger than window size.
+				bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height);
+			}
+			else
+			{
+				float view[16];
+				bx::mtxLookAt(view, eye, at);
+
+				float proj[16];
+				bx::mtxProj(proj, 60.0f, float(m_width)/float(m_height), 0.1f, 100.0f);
+				bgfx::setViewTransform(0, view, proj);
+
+				// Set view 0 default viewport.
+				bgfx::setViewRect(0, 0, 0, m_width, m_height);
+			}
+
+			float mtx[16];
+			bx::mtxScale(mtx, 0.1f, 0.1f, 0.1f);
+
+			float stipple[3];
+			float stippleInv[3];
+
+			const int currentLODframe = m_transitions ? 32-m_transitionFrame : 32;
+			const int mainLOD = m_transitions ? m_currLod : m_targetLod;
+
+			stipple[0] = 0.0f;
+			stipple[1] = -1.0f;
+			stipple[2] = (float(currentLODframe)*4.0f/255.0f) - (1.0f/255.0f);
+
+			stippleInv[0] = (float(31)*4.0f/255.0f);
+			stippleInv[1] = 1.0f;
+			stippleInv[2] = (float(m_transitionFrame)*4.0f/255.0f) - (1.0f/255.0f);
+
+			const uint64_t stateTransparent = 0
+				| BGFX_STATE_RGB_WRITE
+				| BGFX_STATE_ALPHA_WRITE
+				| BGFX_STATE_DEPTH_TEST_LESS
+				| BGFX_STATE_CULL_CCW
+				| BGFX_STATE_MSAA
+				| BGFX_STATE_BLEND_ALPHA
+				;
+
+			const uint64_t stateOpaque = BGFX_STATE_DEFAULT;
+
+			bgfx::setTexture(0, s_texColor, m_textureBark);
+			bgfx::setTexture(1, s_texStipple, m_textureStipple);
+			bgfx::setUniform(u_stipple, stipple);
+			meshSubmit(m_meshTrunk[mainLOD], 0, m_program, mtx, stateOpaque);
+
+			bgfx::setTexture(0, s_texColor, m_textureLeafs);
+			bgfx::setTexture(1, s_texStipple, m_textureStipple);
+			bgfx::setUniform(u_stipple, stipple);
+			meshSubmit(m_meshTop[mainLOD], 0, m_program, mtx, stateTransparent);
+
+			if (m_transitions
+			&& (m_transitionFrame != 0) )
+			{
+				bgfx::setTexture(0, s_texColor, m_textureBark);
+				bgfx::setTexture(1, s_texStipple, m_textureStipple);
+				bgfx::setUniform(u_stipple, stippleInv);
+				meshSubmit(m_meshTrunk[m_targetLod], 0, m_program, mtx, stateOpaque);
+
+				bgfx::setTexture(0, s_texColor, m_textureLeafs);
+				bgfx::setTexture(1, s_texStipple, m_textureStipple);
+				bgfx::setUniform(u_stipple, stippleInv);
+				meshSubmit(m_meshTop[m_targetLod], 0, m_program, mtx, stateTransparent);
+			}
+
+			int lod = 0;
+			if (eye[2] < -2.5f)
+			{
+				lod = 1;
+			}
+
+			if (eye[2] < -5.0f)
+			{
+				lod = 2;
+			}
+
+			if (m_targetLod != lod)
+			{
+				if (m_targetLod == m_currLod)
+				{
+					m_targetLod = lod;
+				}
+			}
+
+			if (m_currLod != m_targetLod)
+			{
+				m_transitionFrame++;
+			}
+
+			if (m_transitionFrame > 32)
+			{
+				m_currLod = m_targetLod;
+				m_transitionFrame = 0;
+			}
+
+			// Advance to next frame. Rendering thread will be kicked to
+			// process submitted rendering primitives.
+			bgfx::frame();
+
+			return true;
 		}
 
-		if (currLOD != targetLOD)
-		{
-			transitionFrame++;
-		}
-
-		if (transitionFrame>32)
-		{
-			currLOD = targetLOD;
-			transitionFrame = 0;
-		}
-
-		// Advance to next frame. Rendering thread will be kicked to
-		// process submitted rendering primitives.
-		bgfx::frame();
+		return false;
 	}
 
-	imguiDestroy();
+	entry::MouseState m_mouseState;
+	uint32_t m_width;
+	uint32_t m_height;
+	uint32_t m_debug;
+	uint32_t m_reset;
 
-	for (uint32_t ii = 0; ii < 3; ++ii)
-	{
-		meshUnload(meshTop[ii]);
-		meshUnload(meshTrunk[ii]);
-	}
+	Mesh* m_meshTop[3];
+	Mesh* m_meshTrunk[3];
 
-	// Cleanup.
-	bgfx::destroyProgram(program);
+	bgfx::ProgramHandle m_program;
+	bgfx::UniformHandle s_texColor;
+	bgfx::UniformHandle s_texStipple;
+	bgfx::UniformHandle u_stipple;
 
-	bgfx::destroyUniform(s_texColor);
-	bgfx::destroyUniform(s_texStipple);
-	bgfx::destroyUniform(u_stipple);
+	bgfx::TextureHandle m_textureStipple;
+	bgfx::TextureHandle m_textureLeafs;
+	bgfx::TextureHandle m_textureBark;
 
-	bgfx::destroyTexture(textureStipple);
-	bgfx::destroyTexture(textureLeafs);
-	bgfx::destroyTexture(textureBark);
+	int32_t m_scrollArea;
+	int32_t m_transitionFrame;
+	int32_t m_currLod;
+	int32_t m_targetLod;
+	bool    m_transitions;
+};
 
-	// Shutdown bgfx.
-	bgfx::shutdown();
-
-	return 0;
-}
+ENTRY_IMPLEMENT_MAIN(Lod);
diff --git a/examples/13-stencil/fs_stencil_texture_lightning.sc b/examples/13-stencil/fs_stencil_texture_lightning.sc
index 07ce0c842..43e4ff381 100644
--- a/examples/13-stencil/fs_stencil_texture_lightning.sc
+++ b/examples/13-stencil/fs_stencil_texture_lightning.sc
@@ -16,7 +16,7 @@ uniform vec4 u_color;
 uniform vec4 u_specular_shininess;
 uniform vec4 u_lightPosRadius[MAX_NUM_LIGHTS];
 uniform vec4 u_lightRgbInnerR[MAX_NUM_LIGHTS];
-SAMPLER2D(u_texColor, 0);
+SAMPLER2D(s_texColor, 0);
 
 #define u_ambientPass  u_params.x
 #define u_lightingPass u_params.y
@@ -80,7 +80,7 @@ void main()
 	}
 	lightColor *= u_lightingPass;
 
-	vec3 color = toLinear(texture2D(u_texColor, v_texcoord0)).xyz;
+	vec3 color = toLinear(texture2D(s_texColor, v_texcoord0)).xyz;
 
 	vec3 ambient = toGamma(ambientColor * color);
 	vec3 diffuse = toGamma(lightColor * color);
diff --git a/examples/15-shadowmaps-simple/fs_sms_shadow.sh b/examples/15-shadowmaps-simple/fs_sms_shadow.sh
index f3a88945c..a38a90f2f 100644
--- a/examples/15-shadowmaps-simple/fs_sms_shadow.sh
+++ b/examples/15-shadowmaps-simple/fs_sms_shadow.sh
@@ -7,10 +7,10 @@
 
 uniform vec4 u_lightPos;
 #if SHADOW_PACKED_DEPTH
-SAMPLER2D(u_shadowMap, 0);
+SAMPLER2D(s_shadowMap, 0);
 #	define Sampler sampler2D
 #else
-SAMPLER2DSHADOW(u_shadowMap, 0);
+SAMPLER2DSHADOW(s_shadowMap, 0);
 #	define Sampler sampler2DShadow
 #endif // SHADOW_PACKED_DEPTH
 
@@ -90,7 +90,7 @@ void main()
 	vec2 lc = lit(ld, n, vd, 1.0);
 
 	vec2 texelSize = vec2_splat(1.0/512.0);
-	float visibility = PCF(u_shadowMap, v_shadowcoord, shadowMapBias, texelSize);
+	float visibility = PCF(s_shadowMap, v_shadowcoord, shadowMapBias, texelSize);
 
 	vec3 ambient = 0.1 * color;
 	vec3 brdf = (lc.x + lc.y) * color * visibility;
diff --git a/examples/16-shadowmaps/fs_shadowmaps_color_lightning.sh b/examples/16-shadowmaps/fs_shadowmaps_color_lightning.sh
index 9c19212a3..f20905089 100644
--- a/examples/16-shadowmaps/fs_shadowmaps_color_lightning.sh
+++ b/examples/16-shadowmaps/fs_shadowmaps_color_lightning.sh
@@ -29,10 +29,10 @@ uniform vec4 u_tetraNormalBlue;
 uniform vec4 u_tetraNormalRed;
 #endif
 
-SAMPLER2D(u_shadowMap0, 4);
-SAMPLER2D(u_shadowMap1, 5);
-SAMPLER2D(u_shadowMap2, 6);
-SAMPLER2D(u_shadowMap3, 7);
+SAMPLER2D(s_shadowMap0, 4);
+SAMPLER2D(s_shadowMap1, 5);
+SAMPLER2D(s_shadowMap2, 6);
+SAMPLER2D(s_shadowMap3, 7);
 
 struct Shader
 {
diff --git a/examples/16-shadowmaps/fs_shadowmaps_color_lightning_main.sh b/examples/16-shadowmaps/fs_shadowmaps_color_lightning_main.sh
index 3e3373e62..f5393d06d 100644
--- a/examples/16-shadowmaps/fs_shadowmaps_color_lightning_main.sh
+++ b/examples/16-shadowmaps/fs_shadowmaps_color_lightning_main.sh
@@ -48,7 +48,15 @@
 
 		float coverage = texcoordInRange(shadowcoord.xy/shadowcoord.w) * 0.4;
 		colorCoverage = vec3(-coverage, coverage, -coverage);
-		visibility = computeVisibility(u_shadowMap0, shadowcoord, u_shadowMapBias, u_smSamplingParams, texelSize, u_shadowMapDepthMultiplier, u_shadowMapMinVariance, u_shadowMapHardness);
+		visibility = computeVisibility(s_shadowMap0
+						, shadowcoord
+						, u_shadowMapBias
+						, u_smSamplingParams
+						, texelSize
+						, u_shadowMapDepthMultiplier
+						, u_shadowMapMinVariance
+						, u_shadowMapHardness
+						);
 	}
 	else if (selection1)
 	{
@@ -56,7 +64,15 @@
 
 		float coverage = texcoordInRange(shadowcoord.xy/shadowcoord.w) * 0.4;
 		colorCoverage = vec3(coverage, coverage, -coverage);
-		visibility = computeVisibility(u_shadowMap1, shadowcoord, u_shadowMapBias, u_smSamplingParams, texelSize/2.0, u_shadowMapDepthMultiplier, u_shadowMapMinVariance, u_shadowMapHardness);
+		visibility = computeVisibility(s_shadowMap1
+						, shadowcoord
+						, u_shadowMapBias
+						, u_smSamplingParams
+						, texelSize/2.0
+						, u_shadowMapDepthMultiplier
+						, u_shadowMapMinVariance
+						, u_shadowMapHardness
+						);
 	}
 	else if (selection2)
 	{
@@ -64,7 +80,15 @@
 
 		float coverage = texcoordInRange(shadowcoord.xy/shadowcoord.w) * 0.4;
 		colorCoverage = vec3(-coverage, -coverage, coverage);
-		visibility = computeVisibility(u_shadowMap2, shadowcoord, u_shadowMapBias, u_smSamplingParams, texelSize/3.0, u_shadowMapDepthMultiplier, u_shadowMapMinVariance, u_shadowMapHardness);
+		visibility = computeVisibility(s_shadowMap2
+						, shadowcoord
+						, u_shadowMapBias
+						, u_smSamplingParams
+						, texelSize/3.0
+						, u_shadowMapDepthMultiplier
+						, u_shadowMapMinVariance
+						, u_shadowMapHardness
+						);
 	}
 	else //selection3
 	{
@@ -72,7 +96,15 @@
 
 		float coverage = texcoordInRange(shadowcoord.xy/shadowcoord.w) * 0.4;
 		colorCoverage = vec3(coverage, -coverage, -coverage);
-		visibility = computeVisibility(u_shadowMap3, shadowcoord, u_shadowMapBias, u_smSamplingParams, texelSize/4.0, u_shadowMapDepthMultiplier, u_shadowMapMinVariance, u_shadowMapHardness);
+		visibility = computeVisibility(s_shadowMap3
+						, shadowcoord
+						, u_shadowMapBias
+						, u_smSamplingParams
+						, texelSize/4.0
+						, u_shadowMapDepthMultiplier
+						, u_shadowMapMinVariance
+						, u_shadowMapHardness
+						);
 	}
 #elif SM_OMNI
 	vec2 texelSize = vec2_splat(u_shadowMapTexelSize/4.0);
@@ -115,14 +147,30 @@
 		colorCoverage = vec3(coverage, -coverage, -coverage);
 	}
 
-	visibility = computeVisibility(u_shadowMap0, shadowcoord, u_shadowMapBias, u_smSamplingParams, texelSize, u_shadowMapDepthMultiplier, u_shadowMapMinVariance, u_shadowMapHardness);
+	visibility = computeVisibility(s_shadowMap0
+					, shadowcoord
+					, u_shadowMapBias
+					, u_smSamplingParams
+					, texelSize
+					, u_shadowMapDepthMultiplier
+					, u_shadowMapMinVariance
+					, u_shadowMapHardness
+					);
 #else
 	vec2 texelSize = vec2_splat(u_shadowMapTexelSize);
 
 	float coverage = texcoordInRange(v_shadowcoord.xy/v_shadowcoord.w) * 0.3;
 	colorCoverage = vec3(coverage, -coverage, -coverage);
 
-	visibility = computeVisibility(u_shadowMap0, v_shadowcoord, u_shadowMapBias, u_smSamplingParams, texelSize, u_shadowMapDepthMultiplier, u_shadowMapMinVariance, u_shadowMapHardness);
+	visibility = computeVisibility(s_shadowMap0
+					, v_shadowcoord
+					, u_shadowMapBias
+					, u_smSamplingParams
+					, texelSize
+					, u_shadowMapDepthMultiplier
+					, u_shadowMapMinVariance
+					, u_shadowMapHardness
+					);
 #endif
 
 	vec3 v = v_view;
diff --git a/examples/16-shadowmaps/fs_shadowmaps_color_texture.sc b/examples/16-shadowmaps/fs_shadowmaps_color_texture.sc
index eea20d8ff..b81e40d19 100644
--- a/examples/16-shadowmaps/fs_shadowmaps_color_texture.sc
+++ b/examples/16-shadowmaps/fs_shadowmaps_color_texture.sc
@@ -7,13 +7,13 @@ $input v_texcoord0
 
 #include "../common/common.sh"
 uniform vec4 u_color;
-SAMPLER2D(u_texColor, 0);
+SAMPLER2D(s_texColor, 0);
 
 void main()
 {
-	vec4 tcolor = toLinear(texture2D(u_texColor, v_texcoord0));
+	vec4 tcolor = toLinear(texture2D(s_texColor, v_texcoord0));
 
-	if (tcolor.x < 0.1) //OK for now.
+	if (tcolor.x < 0.1)
 	{
 		discard;
 	}
diff --git a/examples/16-shadowmaps/fs_shadowmaps_hblur.sc b/examples/16-shadowmaps/fs_shadowmaps_hblur.sc
index 7c4186ed1..7f226049e 100644
--- a/examples/16-shadowmaps/fs_shadowmaps_hblur.sc
+++ b/examples/16-shadowmaps/fs_shadowmaps_hblur.sc
@@ -6,9 +6,15 @@ $input v_texcoord0, v_texcoord1, v_texcoord2, v_texcoord3, v_texcoord4
  */
 
 #include "common.sh"
-SAMPLER2D(u_shadowMap0, 4);
+SAMPLER2D(s_shadowMap0, 4);
 
 void main()
 {
-	gl_FragColor = blur9(u_shadowMap0, v_texcoord0, v_texcoord1, v_texcoord2, v_texcoord3, v_texcoord4);
+	gl_FragColor = blur9(s_shadowMap0
+						, v_texcoord0
+						, v_texcoord1
+						, v_texcoord2
+						, v_texcoord3
+						, v_texcoord4
+						);
 }
diff --git a/examples/16-shadowmaps/fs_shadowmaps_hblur_vsm.sc b/examples/16-shadowmaps/fs_shadowmaps_hblur_vsm.sc
index 50f96c5fc..1173ef7b5 100644
--- a/examples/16-shadowmaps/fs_shadowmaps_hblur_vsm.sc
+++ b/examples/16-shadowmaps/fs_shadowmaps_hblur_vsm.sc
@@ -6,10 +6,15 @@ $input v_texcoord0, v_texcoord1, v_texcoord2, v_texcoord3, v_texcoord4
  */
 
 #include "common.sh"
-SAMPLER2D(u_shadowMap0, 4);
+SAMPLER2D(s_shadowMap0, 4);
 
 void main()
 {
-	gl_FragColor = blur9VSM(u_shadowMap0, v_texcoord0, v_texcoord1, v_texcoord2, v_texcoord3, v_texcoord4);
+	gl_FragColor = blur9VSM(s_shadowMap0
+						, v_texcoord0
+						, v_texcoord1
+						, v_texcoord2
+						, v_texcoord3
+						, v_texcoord4
+						);
 }
-
diff --git a/examples/16-shadowmaps/fs_shadowmaps_texture.sc b/examples/16-shadowmaps/fs_shadowmaps_texture.sc
index 42c278142..0f33138b7 100644
--- a/examples/16-shadowmaps/fs_shadowmaps_texture.sc
+++ b/examples/16-shadowmaps/fs_shadowmaps_texture.sc
@@ -6,9 +6,9 @@ $input v_texcoord0
  */
 
 #include "../common/common.sh"
-SAMPLER2D(u_texColor, 0);
+SAMPLER2D(s_texColor, 0);
 
 void main()
 {
-	gl_FragColor = texture2D(u_texColor, v_texcoord0);
+	gl_FragColor = texture2D(s_texColor, v_texcoord0);
 }
diff --git a/examples/16-shadowmaps/fs_shadowmaps_unpackdepth.sc b/examples/16-shadowmaps/fs_shadowmaps_unpackdepth.sc
index 592a1d926..c3ed6e0ec 100644
--- a/examples/16-shadowmaps/fs_shadowmaps_unpackdepth.sc
+++ b/examples/16-shadowmaps/fs_shadowmaps_unpackdepth.sc
@@ -6,14 +6,14 @@ $input v_texcoord0
  */
 
 #include "../common/common.sh"
-SAMPLER2D(u_shadowMap0, 4);
+SAMPLER2D(s_shadowMap0, 4);
 
 uniform vec4 u_params2;
 #define u_depthValuePow u_params2.x
 
 void main()
 {
-	float depth = unpackRgbaToFloat(texture2D(u_shadowMap0, v_texcoord0) );
+	float depth = unpackRgbaToFloat(texture2D(s_shadowMap0, v_texcoord0) );
 	vec3 rgba = pow(vec3_splat(depth), vec3_splat(u_depthValuePow) );
 	gl_FragColor = vec4(rgba, 1.0);
 }
diff --git a/examples/16-shadowmaps/fs_shadowmaps_unpackdepth_vsm.sc b/examples/16-shadowmaps/fs_shadowmaps_unpackdepth_vsm.sc
index c81ba1856..2e2792ce4 100644
--- a/examples/16-shadowmaps/fs_shadowmaps_unpackdepth_vsm.sc
+++ b/examples/16-shadowmaps/fs_shadowmaps_unpackdepth_vsm.sc
@@ -6,14 +6,14 @@ $input v_texcoord0
  */
 
 #include "../common/common.sh"
-SAMPLER2D(u_shadowMap0, 4);
+SAMPLER2D(s_shadowMap0, 4);
 
 uniform vec4 u_params2;
 #define u_depthValuePow u_params2.x
 
 void main()
 {
-	vec4 val = texture2D(u_shadowMap0, v_texcoord0);
+	vec4 val = texture2D(s_shadowMap0, v_texcoord0);
 	float depth = unpackHalfFloat(val.rg);
 	vec3 rgba = pow(vec3_splat(depth), vec3_splat(u_depthValuePow) );
 	gl_FragColor = vec4(rgba, 1.0);
diff --git a/examples/16-shadowmaps/fs_shadowmaps_vblur.sc b/examples/16-shadowmaps/fs_shadowmaps_vblur.sc
index 7c4186ed1..7f226049e 100644
--- a/examples/16-shadowmaps/fs_shadowmaps_vblur.sc
+++ b/examples/16-shadowmaps/fs_shadowmaps_vblur.sc
@@ -6,9 +6,15 @@ $input v_texcoord0, v_texcoord1, v_texcoord2, v_texcoord3, v_texcoord4
  */
 
 #include "common.sh"
-SAMPLER2D(u_shadowMap0, 4);
+SAMPLER2D(s_shadowMap0, 4);
 
 void main()
 {
-	gl_FragColor = blur9(u_shadowMap0, v_texcoord0, v_texcoord1, v_texcoord2, v_texcoord3, v_texcoord4);
+	gl_FragColor = blur9(s_shadowMap0
+						, v_texcoord0
+						, v_texcoord1
+						, v_texcoord2
+						, v_texcoord3
+						, v_texcoord4
+						);
 }
diff --git a/examples/16-shadowmaps/fs_shadowmaps_vblur_vsm.sc b/examples/16-shadowmaps/fs_shadowmaps_vblur_vsm.sc
index 50f96c5fc..1173ef7b5 100644
--- a/examples/16-shadowmaps/fs_shadowmaps_vblur_vsm.sc
+++ b/examples/16-shadowmaps/fs_shadowmaps_vblur_vsm.sc
@@ -6,10 +6,15 @@ $input v_texcoord0, v_texcoord1, v_texcoord2, v_texcoord3, v_texcoord4
  */
 
 #include "common.sh"
-SAMPLER2D(u_shadowMap0, 4);
+SAMPLER2D(s_shadowMap0, 4);
 
 void main()
 {
-	gl_FragColor = blur9VSM(u_shadowMap0, v_texcoord0, v_texcoord1, v_texcoord2, v_texcoord3, v_texcoord4);
+	gl_FragColor = blur9VSM(s_shadowMap0
+						, v_texcoord0
+						, v_texcoord1
+						, v_texcoord2
+						, v_texcoord3
+						, v_texcoord4
+						);
 }
-
diff --git a/examples/16-shadowmaps/shadowmaps.cpp b/examples/16-shadowmaps/shadowmaps.cpp
index e447e99a3..050e639ae 100644
--- a/examples/16-shadowmaps/shadowmaps.cpp
+++ b/examples/16-shadowmaps/shadowmaps.cpp
@@ -223,8 +223,8 @@ static const uint16_t s_planeIndices[] =
 static bool s_flipV = false;
 static float s_texelHalf = 0.0f;
 
-static bgfx::UniformHandle u_texColor;
-static bgfx::UniformHandle u_shadowMap[ShadowMapRenderTargets::Count];
+static bgfx::UniformHandle s_texColor;
+static bgfx::UniformHandle s_shadowMap[ShadowMapRenderTargets::Count];
 static bgfx::FrameBufferHandle s_rtShadowMap[ShadowMapRenderTargets::Count];
 static bgfx::FrameBufferHandle s_rtBlur;
 
@@ -1012,12 +1012,12 @@ struct Mesh
 			// Set textures.
 			if (bgfx::invalidHandle != _texture.idx)
 			{
-				bgfx::setTexture(0, u_texColor, _texture);
+				bgfx::setTexture(0, s_texColor, _texture);
 			}
 
 			for (uint8_t ii = 0; ii < ShadowMapRenderTargets::Count; ++ii)
 			{
-				bgfx::setTexture(4 + ii, u_shadowMap[ii], s_rtShadowMap[ii]);
+				bgfx::setTexture(4 + ii, s_shadowMap[ii], s_rtShadowMap[ii]);
 			}
 
 			// Apply render state.
@@ -1351,11 +1351,11 @@ int _main_(int _argc, char** _argv)
 
 	// Uniforms.
 	s_uniforms.init();
-	u_texColor = bgfx::createUniform("u_texColor",  bgfx::UniformType::Int1);
-	u_shadowMap[0] = bgfx::createUniform("u_shadowMap0", bgfx::UniformType::Int1);
-	u_shadowMap[1] = bgfx::createUniform("u_shadowMap1", bgfx::UniformType::Int1);
-	u_shadowMap[2] = bgfx::createUniform("u_shadowMap2", bgfx::UniformType::Int1);
-	u_shadowMap[3] = bgfx::createUniform("u_shadowMap3", bgfx::UniformType::Int1);
+	s_texColor = bgfx::createUniform("s_texColor",  bgfx::UniformType::Int1);
+	s_shadowMap[0] = bgfx::createUniform("s_shadowMap0", bgfx::UniformType::Int1);
+	s_shadowMap[1] = bgfx::createUniform("s_shadowMap1", bgfx::UniformType::Int1);
+	s_shadowMap[2] = bgfx::createUniform("s_shadowMap2", bgfx::UniformType::Int1);
+	s_shadowMap[3] = bgfx::createUniform("s_shadowMap3", bgfx::UniformType::Int1);
 
 	// Programs.
 	s_programs.init();
@@ -2814,12 +2814,12 @@ int _main_(int _argc, char** _argv)
 		if (bVsmOrEsm
 		&&  currentSmSettings->m_doBlur)
 		{
-			bgfx::setTexture(4, u_shadowMap[0], s_rtShadowMap[0]);
+			bgfx::setTexture(4, s_shadowMap[0], s_rtShadowMap[0]);
 			bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
 			screenSpaceQuad(currentShadowMapSizef, currentShadowMapSizef, s_flipV);
 			bgfx::submit(RENDERVIEW_VBLUR_0_ID, s_programs.m_vBlur[depthType]);
 
-			bgfx::setTexture(4, u_shadowMap[0], s_rtBlur);
+			bgfx::setTexture(4, s_shadowMap[0], s_rtBlur);
 			bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
 			screenSpaceQuad(currentShadowMapSizef, currentShadowMapSizef, s_flipV);
 			bgfx::submit(RENDERVIEW_HBLUR_0_ID, s_programs.m_hBlur[depthType]);
@@ -2830,12 +2830,12 @@ int _main_(int _argc, char** _argv)
 				{
 					const uint8_t viewId = RENDERVIEW_VBLUR_0_ID + jj;
 
-					bgfx::setTexture(4, u_shadowMap[0], s_rtShadowMap[ii]);
+					bgfx::setTexture(4, s_shadowMap[0], s_rtShadowMap[ii]);
 					bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
 					screenSpaceQuad(currentShadowMapSizef, currentShadowMapSizef, s_flipV);
 					bgfx::submit(viewId, s_programs.m_vBlur[depthType]);
 
-					bgfx::setTexture(4, u_shadowMap[0], s_rtBlur);
+					bgfx::setTexture(4, s_shadowMap[0], s_rtBlur);
 					bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
 					screenSpaceQuad(currentShadowMapSizef, currentShadowMapSizef, s_flipV);
 					bgfx::submit(viewId+1, s_programs.m_hBlur[depthType]);
@@ -3065,7 +3065,7 @@ int _main_(int _argc, char** _argv)
 		// Draw depth rect.
 		if (settings.m_drawDepthBuffer)
 		{
-			bgfx::setTexture(4, u_shadowMap[0], s_rtShadowMap[0]);
+			bgfx::setTexture(4, s_shadowMap[0], s_rtShadowMap[0]);
 			bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
 			screenSpaceQuad(currentShadowMapSizef, currentShadowMapSizef, s_flipV);
 			bgfx::submit(RENDERVIEW_DRAWDEPTH_0_ID, s_programs.m_drawDepth[depthType]);
@@ -3074,7 +3074,7 @@ int _main_(int _argc, char** _argv)
 			{
 				for (uint8_t ii = 1; ii < settings.m_numSplits; ++ii)
 				{
-					bgfx::setTexture(4, u_shadowMap[0], s_rtShadowMap[ii]);
+					bgfx::setTexture(4, s_shadowMap[0], s_rtShadowMap[ii]);
 					bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
 					screenSpaceQuad(currentShadowMapSizef, currentShadowMapSizef, s_flipV);
 					bgfx::submit(RENDERVIEW_DRAWDEPTH_0_ID+ii, s_programs.m_drawDepth[depthType]);
@@ -3147,11 +3147,11 @@ int _main_(int _argc, char** _argv)
 
 	s_programs.destroy();
 
-	bgfx::destroyUniform(u_texColor);
-	bgfx::destroyUniform(u_shadowMap[3]);
-	bgfx::destroyUniform(u_shadowMap[2]);
-	bgfx::destroyUniform(u_shadowMap[1]);
-	bgfx::destroyUniform(u_shadowMap[0]);
+	bgfx::destroyUniform(s_texColor);
+	bgfx::destroyUniform(s_shadowMap[3]);
+	bgfx::destroyUniform(s_shadowMap[2]);
+	bgfx::destroyUniform(s_shadowMap[1]);
+	bgfx::destroyUniform(s_shadowMap[0]);
 
 	s_uniforms.destroy();
 
diff --git a/examples/19-oit/fs_oit_wb_blit.sc b/examples/19-oit/fs_oit_wb_blit.sc
index d6b1157db..6380967d1 100644
--- a/examples/19-oit/fs_oit_wb_blit.sc
+++ b/examples/19-oit/fs_oit_wb_blit.sc
@@ -7,12 +7,12 @@ $input v_texcoord0
 
 #include "../common/common.sh"
 
-SAMPLER2D(u_texColor0, 0);
-SAMPLER2D(u_texColor1, 1);
+SAMPLER2D(s_texColor0, 0);
+SAMPLER2D(s_texColor1, 1);
 
 void main()
 {
-	vec4  accum   = texture2D(u_texColor0, v_texcoord0);
-	float opacity = texture2D(u_texColor1, v_texcoord0).x;
+	vec4  accum   = texture2D(s_texColor0, v_texcoord0);
+	float opacity = texture2D(s_texColor1, v_texcoord0).x;
 	gl_FragColor  = vec4(accum.xyz / clamp(accum.w, 1e-4, 5e4), opacity);
 }
diff --git a/examples/19-oit/fs_oit_wb_separate_blit.sc b/examples/19-oit/fs_oit_wb_separate_blit.sc
index 9c3a9ed1c..195c5ff7d 100644
--- a/examples/19-oit/fs_oit_wb_separate_blit.sc
+++ b/examples/19-oit/fs_oit_wb_separate_blit.sc
@@ -7,13 +7,13 @@ $input v_texcoord0
 
 #include "../common/common.sh"
 
-SAMPLER2D(u_texColor0, 0);
-SAMPLER2D(u_texColor1, 1);
+SAMPLER2D(s_texColor0, 0);
+SAMPLER2D(s_texColor1, 1);
 
 void main()
 {
-	vec4  accum   = texture2D(u_texColor0, v_texcoord0);
+	vec4  accum   = texture2D(s_texColor0, v_texcoord0);
 	float opacity = accum.w;
-	float weight  = texture2D(u_texColor1, v_texcoord0).x;
+	float weight  = texture2D(s_texColor1, v_texcoord0).x;
 	gl_FragColor = vec4(accum.xyz / clamp(weight, 1e-4, 5e4), opacity);
 }
diff --git a/examples/runtime/shaders/glsl/fs_tree.bin b/examples/runtime/shaders/glsl/fs_tree.bin
index 48d7ea940..8608ba095 100644
Binary files a/examples/runtime/shaders/glsl/fs_tree.bin and b/examples/runtime/shaders/glsl/fs_tree.bin differ