1 files changed, 0 insertions, 127 deletions
diff --git a/src/rend2/glsl/shadowmask_fp.glsl b/src/rend2/glsl/shadowmask_fp.glsl
deleted file mode 100644
index b3a698c8..00000000
--- a/src/rend2/glsl/shadowmask_fp.glsl
+++ /dev/null
@@ -1,127 +0,0 @@
-uniform sampler2D u_ScreenDepthMap;
-
-uniform sampler2D u_ShadowMap;
-#if defined(USE_SHADOW_CASCADE)
-uniform sampler2D u_ShadowMap2;
-uniform sampler2D u_ShadowMap3;
-#endif
-
-uniform mat4      u_ShadowMvp;
-#if defined(USE_SHADOW_CASCADE)
-uniform mat4      u_ShadowMvp2;
-uniform mat4      u_ShadowMvp3;
-#endif
-
-uniform vec3   u_ViewOrigin;
-uniform vec4   u_ViewInfo; // zfar / znear, zfar
-
-varying vec2   var_DepthTex;
-varying vec3   var_ViewDir;
-
-// Input: It uses texture coords as the random number seed.
-// Output: Random number: [0,1), that is between 0.0 and 0.999999... inclusive.
-// Author: Michael Pohoreski
-// Copyright: Copyleft 2012 :-)
-// Source: http://stackoverflow.com/questions/5149544/can-i-generate-a-random-number-inside-a-pixel-shader
-
-float random( const vec2 p )
-{
-  // We need irrationals for pseudo randomness.
-  // Most (all?) known transcendental numbers will (generally) work.
-  const vec2 r = vec2(
-    23.1406926327792690,  // e^pi (Gelfond's constant)
-     2.6651441426902251); // 2^sqrt(2) (Gelfond-Schneider constant)
-  //return fract( cos( mod( 123456789., 1e-7 + 256. * dot(p,r) ) ) );
-  return mod( 123456789., 1e-7 + 256. * dot(p,r) );  
-}
-
-float PCF(const sampler2D shadowmap, const vec2 st, const float dist)
-{
-	float mult;
-	float scale = 2.0 / r_shadowMapSize;
-		
-#if defined(USE_SHADOW_FILTER)
-	float r = random(var_DepthTex.xy);
-	float sinr = sin(r) * scale;
-	float cosr = cos(r) * scale;
-	mat2 rmat = mat2(cosr, sinr, -sinr, cosr);
-
-	mult =  step(dist, texture2D(shadowmap, st + rmat * vec2(-0.7055767, 0.196515)).r);
-	mult += step(dist, texture2D(shadowmap, st + rmat * vec2(0.3524343, -0.7791386)).r);
-	mult += step(dist, texture2D(shadowmap, st + rmat * vec2(0.2391056, 0.9189604)).r);
-  #if defined(USE_SHADOW_FILTER2)
-	mult += step(dist, texture2D(shadowmap, st + rmat * vec2(-0.07580382, -0.09224417)).r);
-	mult += step(dist, texture2D(shadowmap, st + rmat * vec2(0.5784913, -0.002528916)).r);
-	mult += step(dist, texture2D(shadowmap, st + rmat * vec2(0.192888, 0.4064181)).r);
-	mult += step(dist, texture2D(shadowmap, st + rmat * vec2(-0.6335801, -0.5247476)).r);
-	mult += step(dist, texture2D(shadowmap, st + rmat * vec2(-0.5579782, 0.7491854)).r);
-	mult += step(dist, texture2D(shadowmap, st + rmat * vec2(0.7320465, 0.6317794)).r);
-
-	mult *= 0.11111;
-  #else
-    mult *= 0.33333;
-  #endif
-#else
-	mult = step(dist, texture2D(shadowmap, st).r);
-#endif
-		
-	return mult;
-}
-
-float getLinearDepth(sampler2D depthMap, vec2 tex, float zFarDivZNear)
-{
-		float sampleZDivW = texture2D(depthMap, tex).r;
-		return 1.0 / mix(zFarDivZNear, 1.0, sampleZDivW);
-}
-
-void main()
-{
-	float result;
-	
-	float depth = getLinearDepth(u_ScreenDepthMap, var_DepthTex, u_ViewInfo.x);
-	float sampleZ = u_ViewInfo.y * depth;
-
-	vec4 biasPos = vec4(u_ViewOrigin + var_ViewDir * depth * 0.99, 1.0);
-	
-	vec4 shadowpos = u_ShadowMvp * biasPos;
-	
-#if defined(USE_SHADOW_CASCADE)
-	const float fadeTo = 0.5;
-	result = fadeTo;
-#else
-	result = 0.0;
-#endif
-
-	if (all(lessThanEqual(abs(shadowpos.xyz), vec3(abs(shadowpos.w)))))
-	{
-		shadowpos.xyz = shadowpos.xyz / shadowpos.w * 0.5 + 0.5;
-		result = PCF(u_ShadowMap, shadowpos.xy, shadowpos.z);
-	}
-#if defined(USE_SHADOW_CASCADE)
-	else
-	{
-		shadowpos = u_ShadowMvp2 * biasPos;
-
-		if (all(lessThanEqual(abs(shadowpos.xyz), vec3(abs(shadowpos.w)))))
-		{
-			shadowpos.xyz = shadowpos.xyz / shadowpos.w * 0.5 + 0.5;
-			result = PCF(u_ShadowMap2, shadowpos.xy, shadowpos.z);
-		}
-		else
-		{
-			shadowpos = u_ShadowMvp3 * biasPos;
-
-			if (all(lessThanEqual(abs(shadowpos.xyz), vec3(abs(shadowpos.w)))))
-			{
-				shadowpos.xyz = shadowpos.xyz / shadowpos.w * 0.5 + 0.5;
-				result = PCF(u_ShadowMap3, shadowpos.xy, shadowpos.z);
-
-				float fade = clamp(sampleZ / r_shadowCascadeZFar * 10.0 - 9.0, 0.0, 1.0);
-				result = mix(result, fadeTo, fade);
-			}
-		}
-	}
-#endif
-		
-	gl_FragColor = vec4(vec3(result), 1.0);
-}