@Override
protected boolean end(GL gl) {
GL4 gl4 = (GL4) gl;
gl4.glDeleteBuffers(Buffer.MAX.ordinal(), bufferName, 0);
gl4.glDeleteVertexArrays(1, vertexArrayName, 0);
gl4.glDeleteProgram(programName[Program.VERT.ordinal()]);
gl4.glDeleteProgram(programName[Program.FRAG.ordinal()]);
gl4.glBindProgramPipeline(0);
gl4.glDeleteProgramPipelines(1, pipelineName, 0);
return true;
}
private boolean initVertexBuffer(GL4 gl4) {
gl4.glGenBuffers(Buffer.MAX.ordinal(), bufferName, 0);
gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName[Buffer.ELEMENT.ordinal()]);
ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
gl4.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName[Buffer.F64.ordinal()]);
DoubleBuffer positionBuffer = GLBuffers.newDirectDoubleBuffer(positionData);
gl4.glBufferData(GL_ARRAY_BUFFER, positionSize, positionBuffer, GL_STATIC_DRAW);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
return checkError(gl4, "initArrayBuffer");
}
/** @author GBarbieri */
public class Gl_410_program_64 extends Test {
public static void main(String[] args) {
Gl_410_program_64 gl_410_program_64 = new Gl_410_program_64();
}
public Gl_410_program_64() {
super("gl-410-program-64", Profile.CORE, 4, 1);
}
private final String SHADERS_SOURCE = "double";
private final String SHADERS_ROOT = "src/data/gl_410";
private int vertexCount = 4;
private int positionSize = vertexCount * 3 * Double.BYTES;
private double[] positionData = {
-1.0f, -1.0f, +0.0f, +1.0f, -1.0f, +0.0f, +1.0f, +1.0f, +0.0f, -1.0f, +1.0f, +0.0f
};
private int elementCount = 6;
private int elementSize = elementCount * Short.BYTES;
private short[] elementData = {
0, 1, 2,
0, 2, 3
};
private enum Buffer {
F64,
ELEMENT,
MAX
}
private enum Program {
VERT,
FRAG,
MAX
}
private int[] pipelineName = {0},
programName = new int[Program.MAX.ordinal()],
bufferName = new int[Buffer.MAX.ordinal()],
vertexArrayName = {0};
private int uniformMvp, uniformDiffuse;
private float[] projection = new float[16], view = new float[16], model = new float[16];
private double[] mvp = new double[16];
@Override
protected boolean begin(GL gl) {
GL4 gl4 = (GL4) gl;
boolean validated = true;
if (validated) {
validated = initProgram(gl4);
}
if (validated) {
validated = initVertexBuffer(gl4);
}
if (validated) {
validated = initVertexArray(gl4);
}
return validated;
}
private boolean initProgram(GL4 gl4) {
boolean validated = true;
try {
if (validated) {
String[] vertexSourceContent =
new String[] {
new Scanner(new File(SHADERS_ROOT + "/" + SHADERS_SOURCE + ".vert"))
.useDelimiter("\\A")
.next()
};
programName[Program.VERT.ordinal()] =
gl4.glCreateShaderProgramv(GL_VERTEX_SHADER, 1, vertexSourceContent);
}
if (validated) {
String[] fragmentSourceContent =
new String[] {
new Scanner(new File(SHADERS_ROOT + "/" + SHADERS_SOURCE + ".frag"))
.useDelimiter("\\A")
.next()
};
programName[Program.FRAG.ordinal()] =
gl4.glCreateShaderProgramv(GL_FRAGMENT_SHADER, 1, fragmentSourceContent);
}
if (validated) {
validated = validated && checkProgram(gl4, programName[Program.VERT.ordinal()]);
validated = validated && checkProgram(gl4, programName[Program.FRAG.ordinal()]);
}
if (validated) {
uniformMvp = gl4.glGetUniformLocation(programName[Program.VERT.ordinal()], "mvp");
uniformDiffuse = gl4.glGetUniformLocation(programName[Program.FRAG.ordinal()], "diffuse");
}
if (validated) {
gl4.glGenProgramPipelines(1, pipelineName, 0);
gl4.glBindProgramPipeline(pipelineName[0]);
gl4.glUseProgramStages(
pipelineName[0], GL_VERTEX_SHADER_BIT, programName[Program.VERT.ordinal()]);
gl4.glUseProgramStages(
pipelineName[0], GL_FRAGMENT_SHADER_BIT, programName[Program.FRAG.ordinal()]);
}
} catch (FileNotFoundException ex) {
Logger.getLogger(Gl_410_program_64.class.getName()).log(Level.SEVERE, null, ex);
}
return validated && checkError(gl4, "initProgram");
}
private boolean initVertexBuffer(GL4 gl4) {
gl4.glGenBuffers(Buffer.MAX.ordinal(), bufferName, 0);
gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName[Buffer.ELEMENT.ordinal()]);
ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
gl4.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName[Buffer.F64.ordinal()]);
DoubleBuffer positionBuffer = GLBuffers.newDirectDoubleBuffer(positionData);
gl4.glBufferData(GL_ARRAY_BUFFER, positionSize, positionBuffer, GL_STATIC_DRAW);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
return checkError(gl4, "initArrayBuffer");
}
private boolean initVertexArray(GL4 gl4) {
gl4.glGenVertexArrays(1, vertexArrayName, 0);
gl4.glBindVertexArray(vertexArrayName[0]);
{
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName[Buffer.F64.ordinal()]);
gl4.glVertexAttribLPointer(Semantic.Attr.POSITION, 3, GL_DOUBLE, 3 * Double.BYTES, 0);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl4.glEnableVertexAttribArray(Semantic.Attr.POSITION);
}
gl4.glBindVertexArray(0);
return checkError(gl4, "initVertexArray");
}
@Override
protected boolean render(GL gl) {
GL4 gl4 = (GL4) gl;
FloatUtil.makePerspective(
projection,
0,
true,
(float) Math.PI * 0.25f,
(float) windowSize.x / windowSize.y,
0.1f,
100.0f);
view = view();
FloatUtil.makeIdentity(model);
FloatUtil.multMatrix(projection, view);
FloatUtil.multMatrix(projection, model);
for (int i = 0; i < projection.length; i++) {
mvp[i] = projection[i];
}
gl4.glProgramUniformMatrix4dv(
programName[Program.VERT.ordinal()], uniformMvp, 1, false, mvp, 0);
gl4.glProgramUniform4dv(
programName[Program.FRAG.ordinal()],
uniformDiffuse,
1,
new double[] {1.0f, 0.5f, 0.0f, 1.0f},
0);
gl4.glViewportIndexedfv(0, new float[] {0, 0, windowSize.x, windowSize.y}, 0);
gl4.glClearBufferfv(GL_COLOR, 0, new float[] {0.0f, 0.0f, 0.0f, 0.0f}, 0);
gl4.glBindProgramPipeline(pipelineName[0]);
gl4.glBindVertexArray(vertexArrayName[0]);
gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName[Buffer.ELEMENT.ordinal()]);
gl4.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0);
return true;
}
@Override
protected boolean end(GL gl) {
GL4 gl4 = (GL4) gl;
gl4.glDeleteBuffers(Buffer.MAX.ordinal(), bufferName, 0);
gl4.glDeleteVertexArrays(1, vertexArrayName, 0);
gl4.glDeleteProgram(programName[Program.VERT.ordinal()]);
gl4.glDeleteProgram(programName[Program.FRAG.ordinal()]);
gl4.glBindProgramPipeline(0);
gl4.glDeleteProgramPipelines(1, pipelineName, 0);
return true;
}
}
