Removed unused and duplicate shaders

- texture.frag, texture.vert and texture_ES2.frag are used in Q3DMaps if
  it is reintroduced some day

Change-Id: I80e838ce2471ecef45d7662c59d8fbc74bf72769
Change-Id: I80e838ce2471ecef45d7662c59d8fbc74bf72769
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

1 files changed, 0 insertions, 37 deletions

diff --git a/src/datavisualization/engine/shaders/texture_ES2.frag b/src/datavisualization/engine/shaders/texture_ES2.frag
deleted file mode 100644
index 58097ba5..00000000
--- a/src/datavisualization/engine/shaders/texture_ES2.frag
+++ /dev/null
@@ -1,37 +0,0 @@
-uniform highp vec3 lightPosition_wrld;
-uniform highp vec3 color_mdl;
-uniform highp float lightStrength;
-uniform highp float ambientStrength;
-uniform sampler2D textureSampler;
-
-varying highp vec2 UV;
-varying highp vec3 position_wrld;
-varying highp vec3 normal_cmr;
-varying highp vec3 eyeDirection_cmr;
-varying highp vec3 lightDirection_cmr;
-
-void main() {
-    highp vec3 materialDiffuseColor = texture2D(textureSampler, UV).rgb;
-    highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor;
-    highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0);
-
-    highp float distance = length(lightPosition_wrld - position_wrld);
-    highp vec3 n = normalize(normal_cmr);
-    highp vec3 l = normalize(lightDirection_cmr);
-    highp float cosTheta = dot(n, l);
-    if (cosTheta < 0.0) cosTheta = 0.0;
-    else if (cosTheta > 1.0) cosTheta = 1.0;
-
-    highp vec3 E = normalize(eyeDirection_cmr);
-    highp vec3 R = reflect(-l, n);
-    highp float cosAlpha = dot(E, R);
-    if (cosAlpha < 0.0) cosAlpha = 0.0;
-    else if (cosAlpha > 1.0) cosAlpha = 1.0;
-
-    gl_FragColor.rgb =
-        materialAmbientColor +
-        materialDiffuseColor * lightStrength * (cosTheta * cosTheta) / distance +
-        materialSpecularColor * lightStrength * (cosAlpha * cosAlpha * cosAlpha * cosAlpha * cosAlpha) / distance;
-    gl_FragColor.a = texture2D(textureSampler, UV).a;
-}
-