REVIEWED: skinning shader for GLSL 100 #4412

examples/models/resources/shaders/glsl100/skinning.fs

@@ -1,17 +1,20 @@
 #version 100
 
+precision mediump float;
+
 // Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Output fragment color
-out vec4 finalColor;
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
 
+// Input uniform values
 uniform sampler2D texture0;
 uniform vec4 colDiffuse;
 
 void main()
 {
+    // Fetch color from texture sampler
     vec4 texelColor = texture(texture0, fragTexCoord);
-    finalColor = texelColor*colDiffuse*fragColor;
+    
+    // Calculate final fragment color
+    gl_FragColor = texelColor*colDiffuse*fragColor;
 }

examples/models/resources/shaders/glsl100/skinning.vs

@@ -1,18 +1,21 @@
 #version 100
 
-in vec3 vertexPosition;
-in vec2 vertexTexCoord;
-in vec4 vertexColor;
-in vec4 vertexBoneIds;
-in vec4 vertexBoneWeights;
+#define MAX_BONE_NUM 64
 
-#define MAX_BONE_NUM 128
+// Input vertex attributes
+attribute vec3 vertexPosition;
+attribute vec2 vertexTexCoord;
+attribute vec4 vertexColor;
+attribute vec4 vertexBoneIds;
+attribute vec4 vertexBoneWeights;
+
+// Input uniform values
+uniform mat4 mvp;
 uniform mat4 boneMatrices[MAX_BONE_NUM];
 
-uniform mat4 mvp;
-
-out vec2 fragTexCoord;
-out vec4 fragColor;
+// Output vertex attributes (to fragment shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
 
 void main()
 {