private boolean initProgram(GL3 gl3) {
boolean validated = true;
ShaderCode[] shaderCodes = new ShaderCode[Shader.MAX];
if (validated) {
shaderCodes[Shader.VERT] =
ShaderCode.create(
gl3,
GL_VERTEX_SHADER,
this.getClass(),
SHADERS_ROOT,
null,
SHADERS_SOURCE,
"vert",
null,
true);
shaderCodes[Shader.FRAG] =
ShaderCode.create(
gl3,
GL_FRAGMENT_SHADER,
this.getClass(),
SHADERS_ROOT,
null,
SHADERS_SOURCE,
"frag",
null,
true);
ShaderProgram shaderProgram = new ShaderProgram();
shaderProgram.add(shaderCodes[Shader.VERT]);
shaderProgram.add(shaderCodes[Shader.FRAG]);
shaderProgram.init(gl3);
programName = shaderProgram.program();
gl3.glBindAttribLocation(programName, Semantic.Attr.POSITION, "position");
gl3.glBindAttribLocation(programName, Semantic.Attr.TEXCOORD, "texCoord");
gl3.glBindFragDataLocation(programName, Semantic.Frag.COLOR, "color");
shaderProgram.link(gl3, System.out);
}
if (validated) {
gl3.glUniformBlockBinding(
programName,
gl3.glGetUniformBlockIndex(programName, "Transform"),
Semantic.Uniform.TRANSFORM0);
gl3.glUseProgram(programName);
gl3.glUniform1i(gl3.glGetUniformLocation(programName, "diffuse"), 0);
gl3.glUseProgram(0);
}
return validated & checkError(gl3, "initProgram");
}
public LitProgram(
GL3 gl3,
String shadersFilepath,
String vertexShader,
String fragmentShader,
int projectionUBB) {
super(gl3, shadersFilepath, vertexShader, fragmentShader);
unLocModelToCameraMatrix = gl3.glGetUniformLocation(getProgramId(), "modelToCameraMatrix");
unLocLightDiffuseIntensity = gl3.glGetUniformLocation(getProgramId(), "lightDiffuseIntensity");
unLocLightAmbientIntensity = gl3.glGetUniformLocation(getProgramId(), "lightAmbientIntensity");
unLocNormalModelToCameraMatrix =
gl3.glGetUniformLocation(getProgramId(), "normalModelToCameraMatrix");
unLocLightCameraSpacePosition =
gl3.glGetUniformLocation(getProgramId(), "cameraSpaceLightPosition");
unLocLightAttenuation = gl3.glGetUniformLocation(getProgramId(), "lightAttenuation");
unLocShininessFactor = gl3.glGetUniformLocation(getProgramId(), "shininessFactor");
unLocBaseDiffuseColor = gl3.glGetUniformLocation(getProgramId(), "baseDiffuseColor");
int projectionUBI = gl3.glGetUniformBlockIndex(getProgramId(), "Projection");
gl3.glUniformBlockBinding(getProgramId(), projectionUBI, projectionUBB);
}