Added shadow samplers and updated example 15-shadowmaps-simple to use them.

examples/15-shadowmaps-simple/fs_sms_mesh.sc

@@ -0,0 +1,11 @@
+$input v_view, v_normal, v_shadowcoord
+
+/*
+ * Copyright 2013-2014 Dario Manesku. All rights reserved.
+ * License: http://www.opensource.org/licenses/BSD-2-Clause
+ */
+
+#include "../common/common.sh"
+
+#define SHADOW_PACKED_DEPTH 0
+#include "fs_sms_shadow.sh"

examples/15-shadowmaps-simple/fs_sms_mesh_pd.sc

@@ -0,0 +1,11 @@
+$input v_view, v_normal, v_shadowcoord
+
+/*
+ * Copyright 2013-2014 Dario Manesku. All rights reserved.
+ * License: http://www.opensource.org/licenses/BSD-2-Clause
+ */
+
+#include "../common/common.sh"
+
+#define SHADOW_PACKED_DEPTH 1
+#include "fs_sms_shadow.sh"

examples/15-shadowmaps-simple/fs_sms_shadow.sc

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2013-2014 Dario Manesku. All rights reserved.
+ * License: http://www.opensource.org/licenses/BSD-2-Clause
+ */
+
+#include "../common/common.sh"
+
+void main()
+{
+	gl_FragColor = vec4_splat(0.0);
+}

examples/15-shadowmaps-simple/fs_sms_shadow.sh

@@ -1,5 +1,3 @@
-$input v_view, v_normal, v_shadowcoord
-
 /*
  * Copyright 2013-2014 Dario Manesku. All rights reserved.
  * License: http://www.opensource.org/licenses/BSD-2-Clause
@@ -8,7 +6,13 @@ $input v_view, v_normal, v_shadowcoord
 #include "../common/common.sh"
 
 uniform vec4 u_lightPos;
+#if SHADOW_PACKED_DEPTH
 SAMPLER2D(u_shadowMap, 4);
+#	define Sampler sampler2D
+#else
+SAMPLER2DSHADOW(u_shadowMap, 4);
+#	define Sampler sampler2DShadow
+#endif // SHADOW_PACKED_DEPTH
 
 vec2 lit(vec3 _ld, vec3 _n, vec3 _vd, float _exp)
 {
@@ -23,7 +27,17 @@ vec2 lit(vec3 _ld, vec3 _n, vec3 _vd, float _exp)
 	return max(vec2(ndotl, spec), 0.0);
 }
 
-float hardShadow(sampler2D _sampler, vec4 _shadowCoord, float _bias)
+float hardShadow(Sampler _sampler, vec4 _shadowCoord, float _bias)
+{
+	vec3 texCoord = _shadowCoord.xyz/_shadowCoord.w;
+#if SHADOW_PACKED_DEPTH
+	return step(texCoord.z-_bias, unpackRgbaToFloat(texture2D(_sampler, texCoord.xy) ) );
+#else
+	return shadow2D(_sampler, vec3(texCoord.xy, texCoord.z-_bias) );
+#endif // SHADOW_PACKED_DEPTH
+}
+
+float PCF(Sampler _sampler, vec4 _shadowCoord, float _bias, vec2 _texelSize)
 {
 	vec2 texCoord = _shadowCoord.xy/_shadowCoord.w;
 
@@ -36,15 +50,6 @@ float hardShadow(sampler2D _sampler, vec4 _shadowCoord, float _bias)
 		return 1.0;
 	}
 
-	float receiver = (_shadowCoord.z-_bias)/_shadowCoord.w;
-	float occluder = unpackRgbaToFloat(texture2D(_sampler, texCoord) );
-
-	float visibility = step(receiver, occluder);
-	return visibility;
-}
-
-float PCF(sampler2D _sampler, vec4 _shadowCoord, float _bias, vec2 _texelSize)
-{
 	float result = 0.0;
 	vec2 offset = _texelSize * _shadowCoord.w;
 
@@ -73,8 +78,8 @@ float PCF(sampler2D _sampler, vec4 _shadowCoord, float _bias, vec2 _texelSize)
 
 void main()
 {
-	const float shadowMapBias = 0.005;
+	float shadowMapBias = 0.005;
-	const vec3 color = vec3_splat(1.0);
+	vec3 color = vec3_splat(1.0);
 
 	vec3 v  = v_view;
 	vec3 vd = -normalize(v);
@@ -91,6 +96,5 @@ void main()
 	vec3 brdf = (lc.x + lc.y) * color * visibility;
 
 	vec3 final = toGamma(abs(ambient + brdf) );
-	gl_FragColor.xyz = final;
+	gl_FragColor = vec4(final, 1.0);
-	gl_FragColor.w = 1.0;
 }

examples/15-shadowmaps-simple/fs_sms_shadow_pd.sc

@@ -12,4 +12,3 @@ void main()
 	float depth = v_position.z/v_position.w * 0.5 + 0.5;
 	gl_FragColor = packFloatToRgba(depth);
 }
-

examples/15-shadowmaps-simple/shadowmaps_simple.cpp

@@ -462,10 +462,6 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 	bgfx::UniformHandle u_lightPos = bgfx::createUniform("u_lightPos", bgfx::UniformType::Uniform4fv);
 	bgfx::UniformHandle u_lightMtx = bgfx::createUniform("u_lightMtx", bgfx::UniformType::Uniform4x4fv);
 
-	// Programs.
-	bgfx::ProgramHandle progPackDepth = loadProgram("vs_smsimple_packdepth", "fs_smsimple_packdepth");
-	bgfx::ProgramHandle progDraw      = loadProgram("vs_smsimple_draw",      "fs_smsimple_draw");
-
 	// Vertex declarations.
 	bgfx::VertexDecl PosNormalDecl;
 	PosNormalDecl.begin();
@@ -486,12 +482,41 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 	// Render targets.
 	uint16_t shadowMapSize = 512;
 
-	bgfx::TextureHandle fbtextures[] =
+	// Get renderer capabilities info.
+	//const bgfx::Caps* caps = bgfx::getCaps();
+	// Shadow samplers are supported at least partially supported if texture
+	// compare less equal feature is supported.
+	bool shadowSamplerSupported = false; //0 != (caps->supported & BGFX_CAPS_TEXTURE_COMPARE_LEQUAL);
+
+	bgfx::ProgramHandle progShadow;
+	bgfx::ProgramHandle progMesh;
+
+	if (shadowSamplerSupported)
 	{
-		bgfx::createTexture2D(shadowMapSize, shadowMapSize, 1, bgfx::TextureFormat::BGRA8, BGFX_TEXTURE_RT),
+		// Depth textures and shadow samplers are supported.
-		bgfx::createTexture2D(shadowMapSize, shadowMapSize, 1, bgfx::TextureFormat::D16, BGFX_TEXTURE_RT_BUFFER_ONLY),
+		progShadow = loadProgram("vs_sms_shadow", "fs_sms_shadow");
-	};
+		progMesh   = loadProgram("vs_sms_mesh",   "fs_sms_mesh");
-	s_shadowMapFB = bgfx::createFrameBuffer(BX_COUNTOF(fbtextures), fbtextures, true);
+
+		bgfx::TextureHandle fbtextures[] =
+		{
+			bgfx::createTexture2D(shadowMapSize, shadowMapSize, 1, bgfx::TextureFormat::D16, BGFX_TEXTURE_COMPARE_LEQUAL),
+		};
+		s_shadowMapFB = bgfx::createFrameBuffer(BX_COUNTOF(fbtextures), fbtextures, true);
+	}
+	else
+	{
+		// Depth textures and shadow samplers are not supported. Use float
+		// depth packing into color buffer instead.
+		progShadow = loadProgram("vs_sms_shadow_pd", "fs_sms_shadow_pd");
+		progMesh   = loadProgram("vs_sms_mesh",      "fs_sms_mesh_pd");
+
+		bgfx::TextureHandle fbtextures[] =
+		{
+			bgfx::createTexture2D(shadowMapSize, shadowMapSize, 1, bgfx::TextureFormat::BGRA8, BGFX_TEXTURE_RT),
+			bgfx::createTexture2D(shadowMapSize, shadowMapSize, 1, bgfx::TextureFormat::D16, BGFX_TEXTURE_RT_BUFFER_ONLY),
+		};
+		s_shadowMapFB = bgfx::createFrameBuffer(BX_COUNTOF(fbtextures), fbtextures, true);
+	}
 
 	// Set view and projection matrices.
 	float view[16];
@@ -527,7 +552,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 		// Use debug font to print information about this example.
 		bgfx::dbgTextClear();
 		bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/15-shadowmaps-simple");
-		bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Shadow maps example.");
+		bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Shadow maps example (technique: %s).", shadowSamplerSupported ? "depth texture and shadow samplers" : "shadow depth packed into color texture");
 		bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
 
 		// Setup lights.
@@ -569,11 +594,6 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 			);
 
 		// Define matrices.
-		float screenView[16];
-		float screenProj[16];
-		mtxIdentity(screenView);
-		mtxOrtho(screenProj, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 100.0f);
-
 		float lightView[16];
 		float lightProj[16];
 
@@ -601,7 +621,6 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 			, BGFX_CLEAR_COLOR_BIT | BGFX_CLEAR_DEPTH_BIT
 			, 0x303030ff, 1.0f, 0
 			);
-		bgfx::submitMask(RENDER_SHADOW_PASS_BIT|RENDER_SCENE_PASS_BIT);
 
 		// Render.
 		float mtxShadow[16];
@@ -623,26 +642,26 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 		// Floor.
 		mtxMul(lightMtx, mtxFloor, mtxShadow);
 		bgfx::setUniform(u_lightMtx, lightMtx);
-		hplaneMesh.submit(RENDER_SCENE_PASS_ID, mtxFloor, progDraw);
+		hplaneMesh.submit(RENDER_SCENE_PASS_ID, mtxFloor, progMesh);
-		hplaneMesh.submitShadow(RENDER_SHADOW_PASS_ID, mtxFloor, progPackDepth);
+		hplaneMesh.submitShadow(RENDER_SHADOW_PASS_ID, mtxFloor, progShadow);
 
 		// Bunny.
 		mtxMul(lightMtx, mtxBunny, mtxShadow);
 		bgfx::setUniform(u_lightMtx, lightMtx);
-		bunnyMesh.submit(RENDER_SCENE_PASS_ID, mtxBunny, progDraw);
+		bunnyMesh.submit(RENDER_SCENE_PASS_ID, mtxBunny, progMesh);
-		bunnyMesh.submitShadow(RENDER_SHADOW_PASS_ID, mtxBunny, progPackDepth);
+		bunnyMesh.submitShadow(RENDER_SHADOW_PASS_ID, mtxBunny, progShadow);
 
 		// Hollow cube.
 		mtxMul(lightMtx, mtxHollowcube, mtxShadow);
 		bgfx::setUniform(u_lightMtx, lightMtx);
-		hollowcubeMesh.submit(RENDER_SCENE_PASS_ID, mtxHollowcube, progDraw);
+		hollowcubeMesh.submit(RENDER_SCENE_PASS_ID, mtxHollowcube, progMesh);
-		hollowcubeMesh.submitShadow(RENDER_SHADOW_PASS_ID, mtxHollowcube, progPackDepth);
+		hollowcubeMesh.submitShadow(RENDER_SHADOW_PASS_ID, mtxHollowcube, progShadow);
 
 		// Cube.
 		mtxMul(lightMtx, mtxCube, mtxShadow);
 		bgfx::setUniform(u_lightMtx, lightMtx);
-		cubeMesh.submit(RENDER_SCENE_PASS_ID, mtxCube, progDraw);
+		cubeMesh.submit(RENDER_SCENE_PASS_ID, mtxCube, progMesh);
-		cubeMesh.submitShadow(RENDER_SHADOW_PASS_ID, mtxCube, progPackDepth);
+		cubeMesh.submitShadow(RENDER_SHADOW_PASS_ID, mtxCube, progShadow);
 
 		// Advance to next frame. Rendering thread will be kicked to
 		// process submitted rendering primitives.
@@ -655,8 +674,8 @@ int _main_(int /*_argc*/, char** /*_argv*/)
 	hollowcubeMesh.unload();
 	hplaneMesh.unload();
 
-	bgfx::destroyProgram(progPackDepth);
+	bgfx::destroyProgram(progShadow);
-	bgfx::destroyProgram(progDraw);
+	bgfx::destroyProgram(progMesh);
 
 	bgfx::destroyFrameBuffer(s_shadowMapFB);
 

examples/15-shadowmaps-simple/vs_sms_shadow.sc

@@ -0,0 +1,13 @@
+$input a_position
+
+/*
+ * Copyright 2013-2014 Dario Manesku. All rights reserved.
+ * License: http://www.opensource.org/licenses/BSD-2-Clause
+ */
+
+#include "../common/common.sh"
+
+void main()
+{
+	gl_Position = mul(u_modelViewProj, vec4(a_position, 1.0) );
+}

examples/runtime/shaders/gles/fs_smsimple_draw.bin

@@ -1,389 +0,0 @@
-FSH
pjHvarying vec3 v_normal;
-varying vec4 v_shadowcoord;
-varying vec3 v_view;
-uniform vec4 u_lightPos;
-uniform sampler2D u_shadowMap;
-void main ()
-{
-  vec2 lc_1;
-  vec3 tmpvar_2;
-  tmpvar_2 = -(normalize(u_lightPos.xyz));
-  float tmpvar_3;
-  tmpvar_3 = dot (v_normal, tmpvar_2);
-  vec2 tmpvar_4;
-  tmpvar_4.x = tmpvar_3;
-  tmpvar_4.y = (((
-    float((tmpvar_3 >= 0.0))
-   * 
-    pow (max (0.0, dot ((
-      ((2.0 * tmpvar_3) * v_normal)
-     - tmpvar_2), -(
-      normalize(v_view)
-    ))), 1.0)
-  ) * 3.0) / 8.0);
-  lc_1 = max (tmpvar_4, 0.0);
-  lowp float result_5;
-  result_5 = 0.0;
-  vec2 tmpvar_6;
-  tmpvar_6 = (vec2(0.00195313, 0.00195313) * v_shadowcoord.w);
-  vec4 tmpvar_7;
-  tmpvar_7.zw = vec2(0.0, 0.0);
-  tmpvar_7.xy = (vec2(-1.5, -1.5) * tmpvar_6);
-  vec4 _shadowCoord_8;
-  _shadowCoord_8 = (v_shadowcoord + tmpvar_7);
-  lowp float tmpvar_9;
-  vec2 tmpvar_10;
-  tmpvar_10 = (_shadowCoord_8.xy / _shadowCoord_8.w);
-  bool tmpvar_11;
-  if (any(greaterThan (tmpvar_10, vec2(1.0, 1.0)))) {
-    tmpvar_11 = bool(1);
-  } else {
-    tmpvar_11 = any(lessThan (tmpvar_10, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_11) {
-    tmpvar_9 = 1.0;
-  } else {
-    tmpvar_9 = float((dot (texture2D (u_shadowMap, tmpvar_10), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_8.z - 0.005)
-     / _shadowCoord_8.w)));
-  };
-  result_5 = tmpvar_9;
-  vec4 tmpvar_12;
-  tmpvar_12.zw = vec2(0.0, 0.0);
-  tmpvar_12.xy = (vec2(-1.5, -0.5) * tmpvar_6);
-  vec4 _shadowCoord_13;
-  _shadowCoord_13 = (v_shadowcoord + tmpvar_12);
-  lowp float tmpvar_14;
-  vec2 tmpvar_15;
-  tmpvar_15 = (_shadowCoord_13.xy / _shadowCoord_13.w);
-  bool tmpvar_16;
-  if (any(greaterThan (tmpvar_15, vec2(1.0, 1.0)))) {
-    tmpvar_16 = bool(1);
-  } else {
-    tmpvar_16 = any(lessThan (tmpvar_15, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_16) {
-    tmpvar_14 = 1.0;
-  } else {
-    tmpvar_14 = float((dot (texture2D (u_shadowMap, tmpvar_15), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_13.z - 0.005)
-     / _shadowCoord_13.w)));
-  };
-  result_5 = (tmpvar_9 + tmpvar_14);
-  vec4 tmpvar_17;
-  tmpvar_17.zw = vec2(0.0, 0.0);
-  tmpvar_17.xy = (vec2(-1.5, 0.5) * tmpvar_6);
-  vec4 _shadowCoord_18;
-  _shadowCoord_18 = (v_shadowcoord + tmpvar_17);
-  lowp float tmpvar_19;
-  vec2 tmpvar_20;
-  tmpvar_20 = (_shadowCoord_18.xy / _shadowCoord_18.w);
-  bool tmpvar_21;
-  if (any(greaterThan (tmpvar_20, vec2(1.0, 1.0)))) {
-    tmpvar_21 = bool(1);
-  } else {
-    tmpvar_21 = any(lessThan (tmpvar_20, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_21) {
-    tmpvar_19 = 1.0;
-  } else {
-    tmpvar_19 = float((dot (texture2D (u_shadowMap, tmpvar_20), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_18.z - 0.005)
-     / _shadowCoord_18.w)));
-  };
-  result_5 = (result_5 + tmpvar_19);
-  vec4 tmpvar_22;
-  tmpvar_22.zw = vec2(0.0, 0.0);
-  tmpvar_22.xy = (vec2(-1.5, 1.5) * tmpvar_6);
-  vec4 _shadowCoord_23;
-  _shadowCoord_23 = (v_shadowcoord + tmpvar_22);
-  lowp float tmpvar_24;
-  vec2 tmpvar_25;
-  tmpvar_25 = (_shadowCoord_23.xy / _shadowCoord_23.w);
-  bool tmpvar_26;
-  if (any(greaterThan (tmpvar_25, vec2(1.0, 1.0)))) {
-    tmpvar_26 = bool(1);
-  } else {
-    tmpvar_26 = any(lessThan (tmpvar_25, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_26) {
-    tmpvar_24 = 1.0;
-  } else {
-    tmpvar_24 = float((dot (texture2D (u_shadowMap, tmpvar_25), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_23.z - 0.005)
-     / _shadowCoord_23.w)));
-  };
-  result_5 = (result_5 + tmpvar_24);
-  vec4 tmpvar_27;
-  tmpvar_27.zw = vec2(0.0, 0.0);
-  tmpvar_27.xy = (vec2(-0.5, -1.5) * tmpvar_6);
-  vec4 _shadowCoord_28;
-  _shadowCoord_28 = (v_shadowcoord + tmpvar_27);
-  lowp float tmpvar_29;
-  vec2 tmpvar_30;
-  tmpvar_30 = (_shadowCoord_28.xy / _shadowCoord_28.w);
-  bool tmpvar_31;
-  if (any(greaterThan (tmpvar_30, vec2(1.0, 1.0)))) {
-    tmpvar_31 = bool(1);
-  } else {
-    tmpvar_31 = any(lessThan (tmpvar_30, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_31) {
-    tmpvar_29 = 1.0;
-  } else {
-    tmpvar_29 = float((dot (texture2D (u_shadowMap, tmpvar_30), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_28.z - 0.005)
-     / _shadowCoord_28.w)));
-  };
-  result_5 = (result_5 + tmpvar_29);
-  vec4 tmpvar_32;
-  tmpvar_32.zw = vec2(0.0, 0.0);
-  tmpvar_32.xy = (vec2(-0.5, -0.5) * tmpvar_6);
-  vec4 _shadowCoord_33;
-  _shadowCoord_33 = (v_shadowcoord + tmpvar_32);
-  lowp float tmpvar_34;
-  vec2 tmpvar_35;
-  tmpvar_35 = (_shadowCoord_33.xy / _shadowCoord_33.w);
-  bool tmpvar_36;
-  if (any(greaterThan (tmpvar_35, vec2(1.0, 1.0)))) {
-    tmpvar_36 = bool(1);
-  } else {
-    tmpvar_36 = any(lessThan (tmpvar_35, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_36) {
-    tmpvar_34 = 1.0;
-  } else {
-    tmpvar_34 = float((dot (texture2D (u_shadowMap, tmpvar_35), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_33.z - 0.005)
-     / _shadowCoord_33.w)));
-  };
-  result_5 = (result_5 + tmpvar_34);
-  vec4 tmpvar_37;
-  tmpvar_37.zw = vec2(0.0, 0.0);
-  tmpvar_37.xy = (vec2(-0.5, 0.5) * tmpvar_6);
-  vec4 _shadowCoord_38;
-  _shadowCoord_38 = (v_shadowcoord + tmpvar_37);
-  lowp float tmpvar_39;
-  vec2 tmpvar_40;
-  tmpvar_40 = (_shadowCoord_38.xy / _shadowCoord_38.w);
-  bool tmpvar_41;
-  if (any(greaterThan (tmpvar_40, vec2(1.0, 1.0)))) {
-    tmpvar_41 = bool(1);
-  } else {
-    tmpvar_41 = any(lessThan (tmpvar_40, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_41) {
-    tmpvar_39 = 1.0;
-  } else {
-    tmpvar_39 = float((dot (texture2D (u_shadowMap, tmpvar_40), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_38.z - 0.005)
-     / _shadowCoord_38.w)));
-  };
-  result_5 = (result_5 + tmpvar_39);
-  vec4 tmpvar_42;
-  tmpvar_42.zw = vec2(0.0, 0.0);
-  tmpvar_42.xy = (vec2(-0.5, 1.5) * tmpvar_6);
-  vec4 _shadowCoord_43;
-  _shadowCoord_43 = (v_shadowcoord + tmpvar_42);
-  lowp float tmpvar_44;
-  vec2 tmpvar_45;
-  tmpvar_45 = (_shadowCoord_43.xy / _shadowCoord_43.w);
-  bool tmpvar_46;
-  if (any(greaterThan (tmpvar_45, vec2(1.0, 1.0)))) {
-    tmpvar_46 = bool(1);
-  } else {
-    tmpvar_46 = any(lessThan (tmpvar_45, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_46) {
-    tmpvar_44 = 1.0;
-  } else {
-    tmpvar_44 = float((dot (texture2D (u_shadowMap, tmpvar_45), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_43.z - 0.005)
-     / _shadowCoord_43.w)));
-  };
-  result_5 = (result_5 + tmpvar_44);
-  vec4 tmpvar_47;
-  tmpvar_47.zw = vec2(0.0, 0.0);
-  tmpvar_47.xy = (vec2(0.5, -1.5) * tmpvar_6);
-  vec4 _shadowCoord_48;
-  _shadowCoord_48 = (v_shadowcoord + tmpvar_47);
-  lowp float tmpvar_49;
-  vec2 tmpvar_50;
-  tmpvar_50 = (_shadowCoord_48.xy / _shadowCoord_48.w);
-  bool tmpvar_51;
-  if (any(greaterThan (tmpvar_50, vec2(1.0, 1.0)))) {
-    tmpvar_51 = bool(1);
-  } else {
-    tmpvar_51 = any(lessThan (tmpvar_50, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_51) {
-    tmpvar_49 = 1.0;
-  } else {
-    tmpvar_49 = float((dot (texture2D (u_shadowMap, tmpvar_50), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_48.z - 0.005)
-     / _shadowCoord_48.w)));
-  };
-  result_5 = (result_5 + tmpvar_49);
-  vec4 tmpvar_52;
-  tmpvar_52.zw = vec2(0.0, 0.0);
-  tmpvar_52.xy = (vec2(0.5, -0.5) * tmpvar_6);
-  vec4 _shadowCoord_53;
-  _shadowCoord_53 = (v_shadowcoord + tmpvar_52);
-  lowp float tmpvar_54;
-  vec2 tmpvar_55;
-  tmpvar_55 = (_shadowCoord_53.xy / _shadowCoord_53.w);
-  bool tmpvar_56;
-  if (any(greaterThan (tmpvar_55, vec2(1.0, 1.0)))) {
-    tmpvar_56 = bool(1);
-  } else {
-    tmpvar_56 = any(lessThan (tmpvar_55, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_56) {
-    tmpvar_54 = 1.0;
-  } else {
-    tmpvar_54 = float((dot (texture2D (u_shadowMap, tmpvar_55), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_53.z - 0.005)
-     / _shadowCoord_53.w)));
-  };
-  result_5 = (result_5 + tmpvar_54);
-  vec4 tmpvar_57;
-  tmpvar_57.zw = vec2(0.0, 0.0);
-  tmpvar_57.xy = (vec2(0.5, 0.5) * tmpvar_6);
-  vec4 _shadowCoord_58;
-  _shadowCoord_58 = (v_shadowcoord + tmpvar_57);
-  lowp float tmpvar_59;
-  vec2 tmpvar_60;
-  tmpvar_60 = (_shadowCoord_58.xy / _shadowCoord_58.w);
-  bool tmpvar_61;
-  if (any(greaterThan (tmpvar_60, vec2(1.0, 1.0)))) {
-    tmpvar_61 = bool(1);
-  } else {
-    tmpvar_61 = any(lessThan (tmpvar_60, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_61) {
-    tmpvar_59 = 1.0;
-  } else {
-    tmpvar_59 = float((dot (texture2D (u_shadowMap, tmpvar_60), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_58.z - 0.005)
-     / _shadowCoord_58.w)));
-  };
-  result_5 = (result_5 + tmpvar_59);
-  vec4 tmpvar_62;
-  tmpvar_62.zw = vec2(0.0, 0.0);
-  tmpvar_62.xy = (vec2(0.5, 1.5) * tmpvar_6);
-  vec4 _shadowCoord_63;
-  _shadowCoord_63 = (v_shadowcoord + tmpvar_62);
-  lowp float tmpvar_64;
-  vec2 tmpvar_65;
-  tmpvar_65 = (_shadowCoord_63.xy / _shadowCoord_63.w);
-  bool tmpvar_66;
-  if (any(greaterThan (tmpvar_65, vec2(1.0, 1.0)))) {
-    tmpvar_66 = bool(1);
-  } else {
-    tmpvar_66 = any(lessThan (tmpvar_65, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_66) {
-    tmpvar_64 = 1.0;
-  } else {
-    tmpvar_64 = float((dot (texture2D (u_shadowMap, tmpvar_65), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_63.z - 0.005)
-     / _shadowCoord_63.w)));
-  };
-  result_5 = (result_5 + tmpvar_64);
-  vec4 tmpvar_67;
-  tmpvar_67.zw = vec2(0.0, 0.0);
-  tmpvar_67.xy = (vec2(1.5, -1.5) * tmpvar_6);
-  vec4 _shadowCoord_68;
-  _shadowCoord_68 = (v_shadowcoord + tmpvar_67);
-  lowp float tmpvar_69;
-  vec2 tmpvar_70;
-  tmpvar_70 = (_shadowCoord_68.xy / _shadowCoord_68.w);
-  bool tmpvar_71;
-  if (any(greaterThan (tmpvar_70, vec2(1.0, 1.0)))) {
-    tmpvar_71 = bool(1);
-  } else {
-    tmpvar_71 = any(lessThan (tmpvar_70, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_71) {
-    tmpvar_69 = 1.0;
-  } else {
-    tmpvar_69 = float((dot (texture2D (u_shadowMap, tmpvar_70), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_68.z - 0.005)
-     / _shadowCoord_68.w)));
-  };
-  result_5 = (result_5 + tmpvar_69);
-  vec4 tmpvar_72;
-  tmpvar_72.zw = vec2(0.0, 0.0);
-  tmpvar_72.xy = (vec2(1.5, -0.5) * tmpvar_6);
-  vec4 _shadowCoord_73;
-  _shadowCoord_73 = (v_shadowcoord + tmpvar_72);
-  lowp float tmpvar_74;
-  vec2 tmpvar_75;
-  tmpvar_75 = (_shadowCoord_73.xy / _shadowCoord_73.w);
-  bool tmpvar_76;
-  if (any(greaterThan (tmpvar_75, vec2(1.0, 1.0)))) {
-    tmpvar_76 = bool(1);
-  } else {
-    tmpvar_76 = any(lessThan (tmpvar_75, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_76) {
-    tmpvar_74 = 1.0;
-  } else {
-    tmpvar_74 = float((dot (texture2D (u_shadowMap, tmpvar_75), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_73.z - 0.005)
-     / _shadowCoord_73.w)));
-  };
-  result_5 = (result_5 + tmpvar_74);
-  vec4 tmpvar_77;
-  tmpvar_77.zw = vec2(0.0, 0.0);
-  tmpvar_77.xy = (vec2(1.5, 0.5) * tmpvar_6);
-  vec4 _shadowCoord_78;
-  _shadowCoord_78 = (v_shadowcoord + tmpvar_77);
-  lowp float tmpvar_79;
-  vec2 tmpvar_80;
-  tmpvar_80 = (_shadowCoord_78.xy / _shadowCoord_78.w);
-  bool tmpvar_81;
-  if (any(greaterThan (tmpvar_80, vec2(1.0, 1.0)))) {
-    tmpvar_81 = bool(1);
-  } else {
-    tmpvar_81 = any(lessThan (tmpvar_80, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_81) {
-    tmpvar_79 = 1.0;
-  } else {
-    tmpvar_79 = float((dot (texture2D (u_shadowMap, tmpvar_80), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_78.z - 0.005)
-     / _shadowCoord_78.w)));
-  };
-  result_5 = (result_5 + tmpvar_79);
-  vec4 tmpvar_82;
-  tmpvar_82.zw = vec2(0.0, 0.0);
-  tmpvar_82.xy = (vec2(1.5, 1.5) * tmpvar_6);
-  vec4 _shadowCoord_83;
-  _shadowCoord_83 = (v_shadowcoord + tmpvar_82);
-  lowp float tmpvar_84;
-  vec2 tmpvar_85;
-  tmpvar_85 = (_shadowCoord_83.xy / _shadowCoord_83.w);
-  bool tmpvar_86;
-  if (any(greaterThan (tmpvar_85, vec2(1.0, 1.0)))) {
-    tmpvar_86 = bool(1);
-  } else {
-    tmpvar_86 = any(lessThan (tmpvar_85, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_86) {
-    tmpvar_84 = 1.0;
-  } else {
-    tmpvar_84 = float((dot (texture2D (u_shadowMap, tmpvar_85), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_83.z - 0.005)
-     / _shadowCoord_83.w)));
-  };
-  lowp float tmpvar_87;
-  tmpvar_87 = (result_5 + tmpvar_84);
-  result_5 = tmpvar_87;
-  gl_FragColor.xyz = pow (abs((vec3(0.1, 0.1, 0.1) + 
-    (vec3((lc_1.x + lc_1.y)) * (tmpvar_87 / 16.0))
-  )), vec3(0.454545, 0.454545, 0.454545));
-  gl_FragColor.w = 1.0;
-}
-
-

examples/runtime/shaders/glsl/fs_smsimple_draw.bin

@@ -1,389 +0,0 @@
-FSH
pjHvarying vec3 v_normal;
-varying vec4 v_shadowcoord;
-varying vec3 v_view;
-uniform vec4 u_lightPos;
-uniform sampler2D u_shadowMap;
-void main ()
-{
-  vec2 lc_1;
-  vec3 tmpvar_2;
-  tmpvar_2 = -(normalize(u_lightPos.xyz));
-  float tmpvar_3;
-  tmpvar_3 = dot (v_normal, tmpvar_2);
-  vec2 tmpvar_4;
-  tmpvar_4.x = tmpvar_3;
-  tmpvar_4.y = (((
-    float((tmpvar_3 >= 0.0))
-   * 
-    pow (max (0.0, dot ((
-      ((2.0 * tmpvar_3) * v_normal)
-     - tmpvar_2), -(
-      normalize(v_view)
-    ))), 1.0)
-  ) * 3.0) / 8.0);
-  lc_1 = max (tmpvar_4, 0.0);
-  float result_5;
-  result_5 = 0.0;
-  vec2 tmpvar_6;
-  tmpvar_6 = (vec2(0.00195313, 0.00195313) * v_shadowcoord.w);
-  vec4 tmpvar_7;
-  tmpvar_7.zw = vec2(0.0, 0.0);
-  tmpvar_7.xy = (vec2(-1.5, -1.5) * tmpvar_6);
-  vec4 _shadowCoord_8;
-  _shadowCoord_8 = (v_shadowcoord + tmpvar_7);
-  float tmpvar_9;
-  vec2 tmpvar_10;
-  tmpvar_10 = (_shadowCoord_8.xy / _shadowCoord_8.w);
-  bool tmpvar_11;
-  if (any(greaterThan (tmpvar_10, vec2(1.0, 1.0)))) {
-    tmpvar_11 = bool(1);
-  } else {
-    tmpvar_11 = any(lessThan (tmpvar_10, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_11) {
-    tmpvar_9 = 1.0;
-  } else {
-    tmpvar_9 = float((dot (texture2D (u_shadowMap, tmpvar_10), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_8.z - 0.005)
-     / _shadowCoord_8.w)));
-  };
-  result_5 = tmpvar_9;
-  vec4 tmpvar_12;
-  tmpvar_12.zw = vec2(0.0, 0.0);
-  tmpvar_12.xy = (vec2(-1.5, -0.5) * tmpvar_6);
-  vec4 _shadowCoord_13;
-  _shadowCoord_13 = (v_shadowcoord + tmpvar_12);
-  float tmpvar_14;
-  vec2 tmpvar_15;
-  tmpvar_15 = (_shadowCoord_13.xy / _shadowCoord_13.w);
-  bool tmpvar_16;
-  if (any(greaterThan (tmpvar_15, vec2(1.0, 1.0)))) {
-    tmpvar_16 = bool(1);
-  } else {
-    tmpvar_16 = any(lessThan (tmpvar_15, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_16) {
-    tmpvar_14 = 1.0;
-  } else {
-    tmpvar_14 = float((dot (texture2D (u_shadowMap, tmpvar_15), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_13.z - 0.005)
-     / _shadowCoord_13.w)));
-  };
-  result_5 = (tmpvar_9 + tmpvar_14);
-  vec4 tmpvar_17;
-  tmpvar_17.zw = vec2(0.0, 0.0);
-  tmpvar_17.xy = (vec2(-1.5, 0.5) * tmpvar_6);
-  vec4 _shadowCoord_18;
-  _shadowCoord_18 = (v_shadowcoord + tmpvar_17);
-  float tmpvar_19;
-  vec2 tmpvar_20;
-  tmpvar_20 = (_shadowCoord_18.xy / _shadowCoord_18.w);
-  bool tmpvar_21;
-  if (any(greaterThan (tmpvar_20, vec2(1.0, 1.0)))) {
-    tmpvar_21 = bool(1);
-  } else {
-    tmpvar_21 = any(lessThan (tmpvar_20, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_21) {
-    tmpvar_19 = 1.0;
-  } else {
-    tmpvar_19 = float((dot (texture2D (u_shadowMap, tmpvar_20), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_18.z - 0.005)
-     / _shadowCoord_18.w)));
-  };
-  result_5 = (result_5 + tmpvar_19);
-  vec4 tmpvar_22;
-  tmpvar_22.zw = vec2(0.0, 0.0);
-  tmpvar_22.xy = (vec2(-1.5, 1.5) * tmpvar_6);
-  vec4 _shadowCoord_23;
-  _shadowCoord_23 = (v_shadowcoord + tmpvar_22);
-  float tmpvar_24;
-  vec2 tmpvar_25;
-  tmpvar_25 = (_shadowCoord_23.xy / _shadowCoord_23.w);
-  bool tmpvar_26;
-  if (any(greaterThan (tmpvar_25, vec2(1.0, 1.0)))) {
-    tmpvar_26 = bool(1);
-  } else {
-    tmpvar_26 = any(lessThan (tmpvar_25, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_26) {
-    tmpvar_24 = 1.0;
-  } else {
-    tmpvar_24 = float((dot (texture2D (u_shadowMap, tmpvar_25), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_23.z - 0.005)
-     / _shadowCoord_23.w)));
-  };
-  result_5 = (result_5 + tmpvar_24);
-  vec4 tmpvar_27;
-  tmpvar_27.zw = vec2(0.0, 0.0);
-  tmpvar_27.xy = (vec2(-0.5, -1.5) * tmpvar_6);
-  vec4 _shadowCoord_28;
-  _shadowCoord_28 = (v_shadowcoord + tmpvar_27);
-  float tmpvar_29;
-  vec2 tmpvar_30;
-  tmpvar_30 = (_shadowCoord_28.xy / _shadowCoord_28.w);
-  bool tmpvar_31;
-  if (any(greaterThan (tmpvar_30, vec2(1.0, 1.0)))) {
-    tmpvar_31 = bool(1);
-  } else {
-    tmpvar_31 = any(lessThan (tmpvar_30, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_31) {
-    tmpvar_29 = 1.0;
-  } else {
-    tmpvar_29 = float((dot (texture2D (u_shadowMap, tmpvar_30), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_28.z - 0.005)
-     / _shadowCoord_28.w)));
-  };
-  result_5 = (result_5 + tmpvar_29);
-  vec4 tmpvar_32;
-  tmpvar_32.zw = vec2(0.0, 0.0);
-  tmpvar_32.xy = (vec2(-0.5, -0.5) * tmpvar_6);
-  vec4 _shadowCoord_33;
-  _shadowCoord_33 = (v_shadowcoord + tmpvar_32);
-  float tmpvar_34;
-  vec2 tmpvar_35;
-  tmpvar_35 = (_shadowCoord_33.xy / _shadowCoord_33.w);
-  bool tmpvar_36;
-  if (any(greaterThan (tmpvar_35, vec2(1.0, 1.0)))) {
-    tmpvar_36 = bool(1);
-  } else {
-    tmpvar_36 = any(lessThan (tmpvar_35, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_36) {
-    tmpvar_34 = 1.0;
-  } else {
-    tmpvar_34 = float((dot (texture2D (u_shadowMap, tmpvar_35), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_33.z - 0.005)
-     / _shadowCoord_33.w)));
-  };
-  result_5 = (result_5 + tmpvar_34);
-  vec4 tmpvar_37;
-  tmpvar_37.zw = vec2(0.0, 0.0);
-  tmpvar_37.xy = (vec2(-0.5, 0.5) * tmpvar_6);
-  vec4 _shadowCoord_38;
-  _shadowCoord_38 = (v_shadowcoord + tmpvar_37);
-  float tmpvar_39;
-  vec2 tmpvar_40;
-  tmpvar_40 = (_shadowCoord_38.xy / _shadowCoord_38.w);
-  bool tmpvar_41;
-  if (any(greaterThan (tmpvar_40, vec2(1.0, 1.0)))) {
-    tmpvar_41 = bool(1);
-  } else {
-    tmpvar_41 = any(lessThan (tmpvar_40, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_41) {
-    tmpvar_39 = 1.0;
-  } else {
-    tmpvar_39 = float((dot (texture2D (u_shadowMap, tmpvar_40), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_38.z - 0.005)
-     / _shadowCoord_38.w)));
-  };
-  result_5 = (result_5 + tmpvar_39);
-  vec4 tmpvar_42;
-  tmpvar_42.zw = vec2(0.0, 0.0);
-  tmpvar_42.xy = (vec2(-0.5, 1.5) * tmpvar_6);
-  vec4 _shadowCoord_43;
-  _shadowCoord_43 = (v_shadowcoord + tmpvar_42);
-  float tmpvar_44;
-  vec2 tmpvar_45;
-  tmpvar_45 = (_shadowCoord_43.xy / _shadowCoord_43.w);
-  bool tmpvar_46;
-  if (any(greaterThan (tmpvar_45, vec2(1.0, 1.0)))) {
-    tmpvar_46 = bool(1);
-  } else {
-    tmpvar_46 = any(lessThan (tmpvar_45, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_46) {
-    tmpvar_44 = 1.0;
-  } else {
-    tmpvar_44 = float((dot (texture2D (u_shadowMap, tmpvar_45), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_43.z - 0.005)
-     / _shadowCoord_43.w)));
-  };
-  result_5 = (result_5 + tmpvar_44);
-  vec4 tmpvar_47;
-  tmpvar_47.zw = vec2(0.0, 0.0);
-  tmpvar_47.xy = (vec2(0.5, -1.5) * tmpvar_6);
-  vec4 _shadowCoord_48;
-  _shadowCoord_48 = (v_shadowcoord + tmpvar_47);
-  float tmpvar_49;
-  vec2 tmpvar_50;
-  tmpvar_50 = (_shadowCoord_48.xy / _shadowCoord_48.w);
-  bool tmpvar_51;
-  if (any(greaterThan (tmpvar_50, vec2(1.0, 1.0)))) {
-    tmpvar_51 = bool(1);
-  } else {
-    tmpvar_51 = any(lessThan (tmpvar_50, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_51) {
-    tmpvar_49 = 1.0;
-  } else {
-    tmpvar_49 = float((dot (texture2D (u_shadowMap, tmpvar_50), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_48.z - 0.005)
-     / _shadowCoord_48.w)));
-  };
-  result_5 = (result_5 + tmpvar_49);
-  vec4 tmpvar_52;
-  tmpvar_52.zw = vec2(0.0, 0.0);
-  tmpvar_52.xy = (vec2(0.5, -0.5) * tmpvar_6);
-  vec4 _shadowCoord_53;
-  _shadowCoord_53 = (v_shadowcoord + tmpvar_52);
-  float tmpvar_54;
-  vec2 tmpvar_55;
-  tmpvar_55 = (_shadowCoord_53.xy / _shadowCoord_53.w);
-  bool tmpvar_56;
-  if (any(greaterThan (tmpvar_55, vec2(1.0, 1.0)))) {
-    tmpvar_56 = bool(1);
-  } else {
-    tmpvar_56 = any(lessThan (tmpvar_55, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_56) {
-    tmpvar_54 = 1.0;
-  } else {
-    tmpvar_54 = float((dot (texture2D (u_shadowMap, tmpvar_55), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_53.z - 0.005)
-     / _shadowCoord_53.w)));
-  };
-  result_5 = (result_5 + tmpvar_54);
-  vec4 tmpvar_57;
-  tmpvar_57.zw = vec2(0.0, 0.0);
-  tmpvar_57.xy = (vec2(0.5, 0.5) * tmpvar_6);
-  vec4 _shadowCoord_58;
-  _shadowCoord_58 = (v_shadowcoord + tmpvar_57);
-  float tmpvar_59;
-  vec2 tmpvar_60;
-  tmpvar_60 = (_shadowCoord_58.xy / _shadowCoord_58.w);
-  bool tmpvar_61;
-  if (any(greaterThan (tmpvar_60, vec2(1.0, 1.0)))) {
-    tmpvar_61 = bool(1);
-  } else {
-    tmpvar_61 = any(lessThan (tmpvar_60, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_61) {
-    tmpvar_59 = 1.0;
-  } else {
-    tmpvar_59 = float((dot (texture2D (u_shadowMap, tmpvar_60), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_58.z - 0.005)
-     / _shadowCoord_58.w)));
-  };
-  result_5 = (result_5 + tmpvar_59);
-  vec4 tmpvar_62;
-  tmpvar_62.zw = vec2(0.0, 0.0);
-  tmpvar_62.xy = (vec2(0.5, 1.5) * tmpvar_6);
-  vec4 _shadowCoord_63;
-  _shadowCoord_63 = (v_shadowcoord + tmpvar_62);
-  float tmpvar_64;
-  vec2 tmpvar_65;
-  tmpvar_65 = (_shadowCoord_63.xy / _shadowCoord_63.w);
-  bool tmpvar_66;
-  if (any(greaterThan (tmpvar_65, vec2(1.0, 1.0)))) {
-    tmpvar_66 = bool(1);
-  } else {
-    tmpvar_66 = any(lessThan (tmpvar_65, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_66) {
-    tmpvar_64 = 1.0;
-  } else {
-    tmpvar_64 = float((dot (texture2D (u_shadowMap, tmpvar_65), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_63.z - 0.005)
-     / _shadowCoord_63.w)));
-  };
-  result_5 = (result_5 + tmpvar_64);
-  vec4 tmpvar_67;
-  tmpvar_67.zw = vec2(0.0, 0.0);
-  tmpvar_67.xy = (vec2(1.5, -1.5) * tmpvar_6);
-  vec4 _shadowCoord_68;
-  _shadowCoord_68 = (v_shadowcoord + tmpvar_67);
-  float tmpvar_69;
-  vec2 tmpvar_70;
-  tmpvar_70 = (_shadowCoord_68.xy / _shadowCoord_68.w);
-  bool tmpvar_71;
-  if (any(greaterThan (tmpvar_70, vec2(1.0, 1.0)))) {
-    tmpvar_71 = bool(1);
-  } else {
-    tmpvar_71 = any(lessThan (tmpvar_70, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_71) {
-    tmpvar_69 = 1.0;
-  } else {
-    tmpvar_69 = float((dot (texture2D (u_shadowMap, tmpvar_70), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_68.z - 0.005)
-     / _shadowCoord_68.w)));
-  };
-  result_5 = (result_5 + tmpvar_69);
-  vec4 tmpvar_72;
-  tmpvar_72.zw = vec2(0.0, 0.0);
-  tmpvar_72.xy = (vec2(1.5, -0.5) * tmpvar_6);
-  vec4 _shadowCoord_73;
-  _shadowCoord_73 = (v_shadowcoord + tmpvar_72);
-  float tmpvar_74;
-  vec2 tmpvar_75;
-  tmpvar_75 = (_shadowCoord_73.xy / _shadowCoord_73.w);
-  bool tmpvar_76;
-  if (any(greaterThan (tmpvar_75, vec2(1.0, 1.0)))) {
-    tmpvar_76 = bool(1);
-  } else {
-    tmpvar_76 = any(lessThan (tmpvar_75, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_76) {
-    tmpvar_74 = 1.0;
-  } else {
-    tmpvar_74 = float((dot (texture2D (u_shadowMap, tmpvar_75), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_73.z - 0.005)
-     / _shadowCoord_73.w)));
-  };
-  result_5 = (result_5 + tmpvar_74);
-  vec4 tmpvar_77;
-  tmpvar_77.zw = vec2(0.0, 0.0);
-  tmpvar_77.xy = (vec2(1.5, 0.5) * tmpvar_6);
-  vec4 _shadowCoord_78;
-  _shadowCoord_78 = (v_shadowcoord + tmpvar_77);
-  float tmpvar_79;
-  vec2 tmpvar_80;
-  tmpvar_80 = (_shadowCoord_78.xy / _shadowCoord_78.w);
-  bool tmpvar_81;
-  if (any(greaterThan (tmpvar_80, vec2(1.0, 1.0)))) {
-    tmpvar_81 = bool(1);
-  } else {
-    tmpvar_81 = any(lessThan (tmpvar_80, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_81) {
-    tmpvar_79 = 1.0;
-  } else {
-    tmpvar_79 = float((dot (texture2D (u_shadowMap, tmpvar_80), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_78.z - 0.005)
-     / _shadowCoord_78.w)));
-  };
-  result_5 = (result_5 + tmpvar_79);
-  vec4 tmpvar_82;
-  tmpvar_82.zw = vec2(0.0, 0.0);
-  tmpvar_82.xy = (vec2(1.5, 1.5) * tmpvar_6);
-  vec4 _shadowCoord_83;
-  _shadowCoord_83 = (v_shadowcoord + tmpvar_82);
-  float tmpvar_84;
-  vec2 tmpvar_85;
-  tmpvar_85 = (_shadowCoord_83.xy / _shadowCoord_83.w);
-  bool tmpvar_86;
-  if (any(greaterThan (tmpvar_85, vec2(1.0, 1.0)))) {
-    tmpvar_86 = bool(1);
-  } else {
-    tmpvar_86 = any(lessThan (tmpvar_85, vec2(0.0, 0.0)));
-  };
-  if (tmpvar_86) {
-    tmpvar_84 = 1.0;
-  } else {
-    tmpvar_84 = float((dot (texture2D (u_shadowMap, tmpvar_85), vec4(5.96046e-008, 1.52588e-005, 0.00390625, 1.0)) >= (
-      (_shadowCoord_83.z - 0.005)
-     / _shadowCoord_83.w)));
-  };
-  float tmpvar_87;
-  tmpvar_87 = (result_5 + tmpvar_84);
-  result_5 = tmpvar_87;
-  gl_FragColor.xyz = pow (abs((vec3(0.1, 0.1, 0.1) + 
-    (vec3((lc_1.x + lc_1.y)) * (tmpvar_87 / 16.0))
-  )), vec3(0.454545, 0.454545, 0.454545));
-  gl_FragColor.w = 1.0;
-}
-
-

src/bgfx_shader.sh

@@ -55,13 +55,13 @@ struct BgfxSampler2DShadow
 
 float bgfxShadow2D(BgfxSampler2DShadow _sampler, vec3 _coord)
 {
-	return _sampler.m_texture.SampleCmp(_sampler.m_sampler, _coord.xy, _coord.z);
+	return _sampler.m_texture.SampleCmp(_sampler.m_sampler, _coord.xy, _coord.z * 2.0 - 1.0);
 }
 
 float bgfxShadow2DProj(BgfxSampler2DShadow _sampler, vec4 _coord)
 {
 	vec3 coord = _coord.xyz * rcp(_coord.w);
-	return _sampler.m_texture.SampleCmp(_sampler.m_sampler, coord.xy, coord.z);
+	return _sampler.m_texture.SampleCmp(_sampler.m_sampler, coord.xy, coord.z * 2.0 - 1.0);
 }
 
 struct BgfxSampler3D
@@ -144,15 +144,23 @@ vec4 bgfxTexture2DProj(sampler2D _sampler, vec4 _coord)
 
 float bgfxShadow2D(sampler2DShadow _sampler, vec3 _coord)
 {
+#if 0
 	float occluder = tex2D(_sampler, _coord.xy).x;
-	return step(_coord.z, occluder);
+	return step(_coord.z * 2.0 - 1.0, occluder);
+#else
+	return tex2Dproj(_sampler, vec4(_coord.xy, _coord.z * 2.0 - 1.0, 1.0) ).x;
+#endif // 0
 }
 
 float bgfxShadow2DProj(sampler2DShadow _sampler, vec4 _coord)
 {
+#if 0
 	vec3 coord = _coord.xyz * rcp(_coord.w);
 	float occluder = tex2D(_sampler, coord.xy).x;
-	return step(coord.z, occluder);
+	return step(coord.z * 2.0 - 1.0, occluder);
+#else
+	return tex2Dproj(_sampler, _coord).x;
+#endif // 0
 }
 
 #		define SAMPLER2D(_name, _reg) uniform sampler2D _name : register(s ## _reg)

src/renderer_d3d11.cpp

@@ -1510,8 +1510,15 @@ namespace bgfx
 			s_renderCtx->m_currentProgram = &program;
 			deviceCtx->VSSetShader( (ID3D11VertexShader*)program.m_vsh->m_ptr, NULL, 0);
 			deviceCtx->VSSetConstantBuffers(0, 0, NULL);
-			deviceCtx->PSSetShader( (ID3D11PixelShader*)program.m_fsh->m_ptr, NULL, 0);
+			if (NULL != s_renderCtx->m_currentColor)
-			deviceCtx->PSSetConstantBuffers(0, 0, NULL);
+			{
+				deviceCtx->PSSetShader( (ID3D11PixelShader*)program.m_fsh->m_ptr, NULL, 0);
+				deviceCtx->PSSetConstantBuffers(0, 0, NULL);
+			}
+			else
+			{
+				deviceCtx->PSSetShader(NULL, NULL, 0);
+			}
 
 			VertexBuffer& vb = s_renderCtx->m_vertexBuffers[m_vb->handle.idx];
 			VertexDecl& vertexDecl = s_renderCtx->m_vertexDecls[m_vb->decl.idx];
@@ -2418,8 +2425,8 @@ namespace bgfx
 					{
 						s_renderCtx->m_currentProgram = NULL;
 
-						deviceCtx->VSSetShader(NULL, 0, 0);
+						deviceCtx->VSSetShader(NULL, NULL, 0);
-						deviceCtx->PSSetShader(NULL, 0, 0);
+						deviceCtx->PSSetShader(NULL, NULL, 0);
 					}
 					else
 					{
@@ -2429,8 +2436,16 @@ namespace bgfx
 						deviceCtx->VSSetShader( (ID3D11VertexShader*)program.m_vsh->m_ptr, NULL, 0);
 						deviceCtx->VSSetConstantBuffers(0, 1, &program.m_vsh->m_buffer);
 
-						deviceCtx->PSSetShader( (ID3D11PixelShader*)program.m_fsh->m_ptr, NULL, 0);
+						if (NULL != s_renderCtx->m_currentColor)
-						deviceCtx->PSSetConstantBuffers(0, 1, &program.m_fsh->m_buffer);
+						{
+							const Shader* fsh = program.m_fsh;
+							deviceCtx->PSSetShader( (ID3D11PixelShader*)fsh->m_ptr, NULL, 0);
+							deviceCtx->PSSetConstantBuffers(0, 1, &fsh->m_buffer);
+						}
+						else
+						{
+							deviceCtx->PSSetShader(NULL, NULL, 0);
+						}
 					}
 
 					programChanged = 

src/renderer_d3d11.h

@@ -203,13 +203,13 @@ namespace bgfx
 		{
 			BX_CHECK(NULL != _vsh.m_ptr, "Vertex shader doesn't exist.");
 			m_vsh = &_vsh;
+			memcpy(&m_predefined[0], _vsh.m_predefined, _vsh.m_numPredefined*sizeof(PredefinedUniform) );
+			m_numPredefined = _vsh.m_numPredefined;
 
 			BX_CHECK(NULL != _fsh.m_ptr, "Fragment shader doesn't exist.");
 			m_fsh = &_fsh;
-
+			memcpy(&m_predefined[m_numPredefined], _fsh.m_predefined, _fsh.m_numPredefined*sizeof(PredefinedUniform) );
-			memcpy(&m_predefined[0], _vsh.m_predefined, _vsh.m_numPredefined*sizeof(PredefinedUniform) );
+			m_numPredefined += _fsh.m_numPredefined;
-			memcpy(&m_predefined[_vsh.m_numPredefined], _fsh.m_predefined, _fsh.m_numPredefined*sizeof(PredefinedUniform) );
-			m_numPredefined = _vsh.m_numPredefined + _fsh.m_numPredefined;
 		}
 
 		void destroy()

src/renderer_gl.cpp

@@ -2086,6 +2086,9 @@ namespace bgfx
 					writeString(&writer, "#define varying in\n");
 					writeString(&writer, "#define texture2D texture\n");
 					writeString(&writer, "#define texture2DLod textureLod\n");
+					writeString(&writer, "#define texture2DProj textureProj\n");
+					writeString(&writer, "#define shadow2D(_sampler, _coord) vec2(textureProj(_sampler, vec4(_coord, 1.0) ) )\n");
+					writeString(&writer, "#define shadow2DProj(_sampler, _coord) vec2(textureProj(_sampler, _coord) ) )\n");
 					writeString(&writer, "#define texture3D texture\n");
 					writeString(&writer, "#define texture3DLod textureLod\n");
 					writeString(&writer, "#define textureCube texture\n");
@@ -2143,7 +2146,7 @@ namespace bgfx
 	void FrameBuffer::create(uint8_t _num, const TextureHandle* _handles)
 	{
 		GL_CHECK(glGenFramebuffers(1, &m_fbo[0]) );
-		GL_CHECK(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_fbo[0]) );
+		GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_fbo[0]) );
 
 		bool needResolve = false;
 
@@ -2172,7 +2175,7 @@ namespace bgfx
 
 				if (0 != texture.m_rbo)
 				{
-					GL_CHECK(glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER
+					GL_CHECK(glFramebufferRenderbuffer(GL_FRAMEBUFFER
 						, attachment
 						, GL_RENDERBUFFER
 						, texture.m_rbo
@@ -2180,7 +2183,7 @@ namespace bgfx
 				}
 				else
 				{
-					GL_CHECK(glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER
+					GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER
 						, attachment
 						, texture.m_target
 						, texture.m_id
@@ -2192,15 +2195,15 @@ namespace bgfx
 			}
 		}
 
-		BX_CHECK(GL_FRAMEBUFFER_COMPLETE ==  glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER)
+		BX_CHECK(GL_FRAMEBUFFER_COMPLETE ==  glCheckFramebufferStatus(GL_FRAMEBUFFER)
 			, "glCheckFramebufferStatus failed 0x%08x"
-			, glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER)
+			, glCheckFramebufferStatus(GL_FRAMEBUFFER)
 			);
 
 		if (needResolve)
 		{
 			GL_CHECK(glGenFramebuffers(1, &m_fbo[1]) );
-			GL_CHECK(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_fbo[1]) );
+			GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_fbo[1]) );
 
 			for (uint32_t ii = 0, colorIdx = 0; ii < _num; ++ii)
 			{
@@ -2219,7 +2222,7 @@ namespace bgfx
 						else
 						{
 							++colorIdx;
-							GL_CHECK(glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER
+							GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER
 								, attachment
 								, texture.m_target
 								, texture.m_id
@@ -2832,6 +2835,7 @@ namespace bgfx
 			;
 
 		s_renderCtx->m_depthTextureSupport = !!(BGFX_CONFIG_RENDERER_OPENGL|BGFX_CONFIG_RENDERER_OPENGLES3)
+			|| s_extension[Extension::ANGLE_depth_texture].m_supported
 			|| s_extension[Extension::CHROMIUM_depth_texture].m_supported
 			|| s_extension[Extension::GOOGLE_depth_texture].m_supported
 			|| s_extension[Extension::OES_depth_texture].m_supported
@@ -3044,7 +3048,8 @@ namespace bgfx
 
 	void Context::rendererCreateProgram(ProgramHandle _handle, VertexShaderHandle _vsh, FragmentShaderHandle _fsh)
 	{
-		s_renderCtx->m_program[_handle.idx].create(s_renderCtx->m_vertexShaders[_vsh.idx], s_renderCtx->m_fragmentShaders[_fsh.idx]);
+		Shader dummyFragmentShader;
+		s_renderCtx->m_program[_handle.idx].create(s_renderCtx->m_vertexShaders[_vsh.idx], isValid(_fsh) ? s_renderCtx->m_fragmentShaders[_fsh.idx] : dummyFragmentShader);
 	}
 
 	void Context::rendererDestroyProgram(FragmentShaderHandle _handle)

src/renderer_gl.h

@@ -611,6 +611,8 @@ namespace bgfx
 	{
 		Shader()
 			: m_id(0)
+			, m_type(0)
+			, m_hash(0)
 		{
 		}
 

tools/shaderc/shaderc.cpp

@@ -1847,6 +1847,16 @@ int main(int _argc, const char* _argv[])
 					"#define ivec4 vec4\n"
 					);
 
+				if (0 == gles)
+				{
+					// bgfx shadow2D/Proj behave like EXT_shadow_samplers
+					// not as GLSL language 1.2 specs shadow2D/Proj.
+					preprocessor.writef(
+						"#define shadow2D(_sampler, _coord) bgfxShadow2D(_sampler, _coord).x\n"
+						"#define shadow2DProj(_sampler, _coord) bgfxShadow2DProj(_sampler, _coord).x\n"
+						);
+				}
+
 				for (InOut::const_iterator it = shaderInputs.begin(), itEnd = shaderInputs.end(); it != itEnd; ++it)
 				{
 					VaryingMap::const_iterator varyingIt = varyingMap.find(*it);
@@ -2132,6 +2142,11 @@ int main(int _argc, const char* _argv[])
 							bx::stringPrintf(code, "#version %s\n", profile);
 							int32_t version = atoi(profile);
 
+							bx::stringPrintf(code
+								, "#define bgfxShadow2D shadow2D\n"
+								  "#define bgfxShadow2DProj shadow2DProj\n"
+								);
+
 							if (hasTextureLod
 							&&  130 > version)
 							{