Fixed GLSL 100 shaders

texture() doesn't exist in glsl 100, it must use texture2D().

examples/resources/shaders/glsl100/bloom.fs

@@ -26,7 +26,7 @@ void main()
     }
     
     // Texel color fetching from texture sampler
-    vec4 texelColor = texture(texture0, fragTexCoord);
+    vec4 texelColor = texture2D(texture0, fragTexCoord);
     
     // Calculate final fragment color
     if (texelColor.r < 0.3) tc = sum*sum*0.012 + texelColor;

examples/resources/shaders/glsl100/grayscale.fs

@@ -15,7 +15,7 @@ uniform vec4 fragTintColor;
 void main()
 {
     // Texel color fetching from texture sampler
-    vec4 texelColor = texture(texture0, fragTexCoord)*fragTintColor*fragColor;
+    vec4 texelColor = texture2D(texture0, fragTexCoord)*fragTintColor*fragColor;
     
     // Convert texel color to grayscale using NTSC conversion weights
     float gray = dot(texelColor.rgb, vec3(0.299, 0.587, 0.114));

shaders/glsl100/bloom.fs

@@ -26,7 +26,7 @@ void main()
     }
     
     // Texel color fetching from texture sampler
-    vec4 texelColor = texture(texture0, fragTexCoord);
+    vec4 texelColor = texture2D(texture0, fragTexCoord);
     
     // Calculate final fragment color
     if (texelColor.r < 0.3) tc = sum*sum*0.012 + texelColor;

shaders/glsl100/grayscale.fs

@@ -15,7 +15,7 @@ uniform vec4 colDiffuse;
 void main()
 {
     // Texel color fetching from texture sampler
-    vec4 texelColor = texture(texture0, fragTexCoord)*colDiffuse*fragColor;
+    vec4 texelColor = texture2D(texture0, fragTexCoord)*colDiffuse*fragColor;
     
     // Convert texel color to grayscale using NTSC conversion weights
     float gray = dot(texelColor.rgb, vec3(0.299, 0.587, 0.114));