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fix shader for asus transformer - it's doing strange things in smoothstep..

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This commit is contained in:
Hannes Janetzek 2012-07-23 17:08:20 +02:00
parent f32aa5d431
commit c5ace62b61
1 changed files with 9 additions and 7 deletions
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16
src/org/mapsforge/android/glrenderer/Shaders.java
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@ -40,20 +40,21 @@ class Shaders {
+ " lowp float len;" + " lowp float len;"
+ " lowp float fuzz;" + " lowp float fuzz;"
+ " lowp float width = u_mode[1];" + " lowp float width = u_mode[1];"
+ " if (v_st.t == zero){ " // + " if (v_st.t == zero){ "
+ " fuzz = fwidth(v_st.s) * fuzzf;" // + " fuzz = fwidth(v_st.s) * fuzzf;"
+ " len = width - abs(v_st.s);" // + " len = width - abs(v_st.s);"
+ " } else {" // + " } else {"
+ " fuzz = max(fwidth(v_st.s), fwidth(v_st.t)) * fuzzf;" + " fuzz = max(fwidth(v_st.s), fwidth(v_st.t)) * fuzzf;"
+ " len = width - length(v_st);" + " len = width - length(v_st);"
+ " } " // + " } "
// + " if (len < min_fuzz)" // + " if (len < min_fuzz)"
// + " discard;" // + " discard;"
// + " alpha = zero;" // + " alpha = zero;"
// + " if (len < fuzz) {" + " if (len < fuzz) {"
+ " lowp float min_fuzz = -fuzz * u_mode[0];" + " lowp float min_fuzz = -fuzz * u_mode[0];"
+ " color.a *= smoothstep(min_fuzz, fuzz, len);" + " color.a *= smoothstep(min_fuzz, fuzz, len);"
// + " }" // + " if (color.a == 0.0 ) color = vec4(1.0,0.0,0.0,1.0);"
+ " }"
+ " gl_FragColor = color;" + " gl_FragColor = color;"
+ "}"; + "}";
@ -86,6 +87,7 @@ class Shaders {
// + " } " // + " } "
// + "glFragColor = color" // + "glFragColor = color"
// + "}"; // + "}";
// final static String gLineFragmentShader = "" // final static String gLineFragmentShader = ""
// + "#extension GL_OES_standard_derivatives : enable\n" // + "#extension GL_OES_standard_derivatives : enable\n"
// + "precision mediump float;" // + "precision mediump float;"