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");
}
private void initProgram(GL3 gl3) {
ShaderCode vertShader =
ShaderCode.create(
gl3,
GL_VERTEX_SHADER,
this.getClass(),
SHADERS_ROOT,
null,
SHADERS_NAME,
"vert",
null,
true);
ShaderCode fragShader =
ShaderCode.create(
gl3,
GL_FRAGMENT_SHADER,
this.getClass(),
SHADERS_ROOT,
null,
SHADERS_NAME,
"frag",
null,
true);
ShaderProgram shaderProgram = new ShaderProgram();
shaderProgram.add(vertShader);
shaderProgram.add(fragShader);
shaderProgram.init(gl3);
programName = shaderProgram.program();
/**
* These links don't go into effect until you link the program. If you want to change index, you
* need to link the program again.
*/
gl3.glBindAttribLocation(programName, Semantic.Attr.POSITION, "position");
gl3.glBindAttribLocation(programName, Semantic.Attr.COLOR, "color");
gl3.glBindFragDataLocation(programName, Semantic.Frag.COLOR, "outputColor");
shaderProgram.link(gl3, System.out);
/**
* Take in account that JOGL offers a GLUniformData class, here we don't use it, but take a look
* to it since it may be interesting for you.
*/
modelToClipMatrixUL = gl3.glGetUniformLocation(programName, "modelToClipMatrix");
vertShader.destroy(gl3);
fragShader.destroy(gl3);
checkError(gl3, "initProgram");
}