Examples with VertexShader com.android.scenegraph.VertexShader used on opensource projects

Example 1 with VertexShader

use of com.android.scenegraph.VertexShader in project android_frameworks_base by ParanoidAndroid.

the class SceneManager method getDefaultVS.

// Provides the folowing inputs to fragment shader
// Assigned by default if nothing is present
// vec3 varWorldPos;
// vec3 varWorldNormal;
// vec2 varTex0;
public static VertexShader getDefaultVS() {
    if (sSceneManager == null) {
        return null;
    }
    if (sSceneManager.mDefaultVertex == null) {
        RenderScriptGL rs = getRS();
        Element.Builder b = new Element.Builder(rs);
        b.add(Element.MATRIX_4X4(rs), "model");
        Type.Builder objConstBuilder = new Type.Builder(rs, b.create());
        b = new Element.Builder(rs);
        b.add(Element.MATRIX_4X4(rs), "viewProj");
        Type.Builder shaderConstBuilder = new Type.Builder(rs, b.create());
        b = new Element.Builder(rs);
        b.add(Element.F32_4(rs), "position");
        b.add(Element.F32_2(rs), "texture0");
        b.add(Element.F32_3(rs), "normal");
        Element defaultIn = b.create();
        final String code = "\n" + "varying vec3 varWorldPos;\n" + "varying vec3 varWorldNormal;\n" + "varying vec2 varTex0;\n" + "void main() {" + "   vec4 objPos = ATTRIB_position;\n" + "   vec4 worldPos = UNI_model * objPos;\n" + "   gl_Position = UNI_viewProj * worldPos;\n" + "   mat3 model3 = mat3(UNI_model[0].xyz, UNI_model[1].xyz, UNI_model[2].xyz);\n" + "   vec3 worldNorm = model3 * ATTRIB_normal;\n" + "   varWorldPos = worldPos.xyz;\n" + "   varWorldNormal = worldNorm;\n" + "   varTex0 = ATTRIB_texture0;\n" + "}\n";
        VertexShader.Builder sb = new VertexShader.Builder(rs);
        sb.addInput(defaultIn);
        sb.setObjectConst(objConstBuilder.setX(1).create());
        sb.setShaderConst(shaderConstBuilder.setX(1).create());
        sb.setShader(code);
        sSceneManager.mDefaultVertex = sb.create();
    }
    return sSceneManager.mDefaultVertex;
}