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");
}
@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;
}
@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 render(GL gl) {
GL4 gl4 = (GL4) gl;
{
gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
ByteBuffer pointer =
gl4.glMapBufferRange(
GL_UNIFORM_BUFFER, 0, Mat4.SIZE, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
Mat4 projection =
glm.perspectiveFov_((float) Math.PI * 0.25f, windowSize.x, windowSize.y, 0.1f, 100.0f);
Mat4 model = new Mat4(1.0f);
pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());
// Make sure the uniform buffer is uploaded
gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
}
gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
gl4.glClearBufferfv(GL_COLOR, 0, new float[] {1.0f, 0.5f, 0.0f, 1.0f}, 0);
gl4.glBindProgramPipeline(pipelineName.get(0));
gl4.glActiveTexture(GL_TEXTURE0);
gl4.glBindTexture(GL_TEXTURE_2D_ARRAY, textureName.get(0));
gl4.glBindVertexArray(vertexArrayName.get(0));
gl4.glBindBufferBase(
GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
gl4.glDrawElementsInstancedBaseVertexBaseInstance(
GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 0);
return true;
}