Merge remote-tracking branch 'sandstranger/fixes-shadows-on-glsles-shaders'

files/materials/core.h

@@ -68,7 +68,7 @@
     @version 120
 #endif
 
-#if SH_GLSLES == 1 && SH_FRAGMENT_SHADER
+#if SH_GLSLES == 1
 precision mediump int;
 precision mediump float;
 #endif

files/materials/objects.shader

@@ -499,7 +499,7 @@
 
 #if SHADOWS || SHADOWS_PSSM
             float fadeRange = shadowFar_fadeStart.x - shadowFar_fadeStart.y;
-            float fade = 1-((depthPassthrough - shadowFar_fadeStart.y) / fadeRange);
+            float fade = 1.0-((depthPassthrough - shadowFar_fadeStart.y) / fadeRange);
             shadow = (depthPassthrough > shadowFar_fadeStart.x) ? 1.0 : ((depthPassthrough > shadowFar_fadeStart.y) ? 1.0-((1.0-shadow)*fade) : shadow);
 #endif
 
@@ -514,11 +514,11 @@
 #endif
 
 #if UNDERWATER
-    float3 waterEyePos = intercept(worldPos, cameraPos.xyz - worldPos, float3(0,0,1), waterLevel);
+    float3 waterEyePos = intercept(worldPos, cameraPos.xyz - worldPos, float3(0.0,0.0,1.0), waterLevel);
 #endif
 
 #if SHADOWS || SHADOWS_PSSM
-        shOutputColour(0) *= (lightResult - float4(directionalResult * (1.0-shadow),0));
+        shOutputColour(0) *= (lightResult - float4(directionalResult * (1.0-shadow),0.0));
 #else
         shOutputColour(0) *= lightResult;
 #endif
@@ -574,7 +574,7 @@
 #endif
 
         // prevent negative colour output (for example with negative lights)
-        shOutputColour(0).xyz = max(shOutputColour(0).xyz, float3(0,0,0));
+        shOutputColour(0).xyz = max(shOutputColour(0).xyz, float3(0.0,0.0,0.0));
     }
 
 #endif

files/materials/shadows.h

@@ -6,11 +6,11 @@ float depthShadowPCF (shTexture2D shadowMap, float4 shadowMapPos, float2 offset)
     shadowMapPos /= shadowMapPos.w;
     float3 o = float3(offset.xy, -offset.x) * 0.3;
     //float3 o = float3(0,0,0);
-    float c =   (shadowMapPos.z <= FIXED_BIAS + shSample(shadowMap, shadowMapPos.xy - o.xy).r) ? 1 : 0; // top left
-    c +=        (shadowMapPos.z <= FIXED_BIAS + shSample(shadowMap, shadowMapPos.xy + o.xy).r) ? 1 : 0; // bottom right
-    c +=        (shadowMapPos.z <= FIXED_BIAS + shSample(shadowMap, shadowMapPos.xy + o.zy).r) ? 1 : 0; // bottom left
-    c +=        (shadowMapPos.z <= FIXED_BIAS + shSample(shadowMap, shadowMapPos.xy - o.zy).r) ? 1 : 0; // top right
-    return c / 4;
+    float c =   (shadowMapPos.z <= FIXED_BIAS + shSample(shadowMap, shadowMapPos.xy - o.xy).r) ? 1.0 : 0.0; // top left
+    c +=        (shadowMapPos.z <= FIXED_BIAS + shSample(shadowMap, shadowMapPos.xy + o.xy).r) ? 1.0 : 0.0; // bottom right
+    c +=        (shadowMapPos.z <= FIXED_BIAS + shSample(shadowMap, shadowMapPos.xy + o.zy).r) ? 1.0 : 0.0; // bottom left
+    c +=        (shadowMapPos.z <= FIXED_BIAS + shSample(shadowMap, shadowMapPos.xy - o.zy).r) ? 1.0 : 0.0; // top right
+    return c / 4.0;
 }