private boolean initTexture(GL4 gl4) {
try {
jgli.Texture2d texture = new Texture2d(jgli.Load.load(TEXTURE_ROOT + "/" + TEXTURE_DIFFUSE));
jgli.Gl.Format format = jgli.Gl.translate(texture.format());
gl4.glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
gl4.glGenTextures(1, textureName);
gl4.glActiveTexture(GL_TEXTURE0);
gl4.glBindTexture(GL_TEXTURE_2D_ARRAY, textureName.get(0));
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_SWIZZLE_R, GL_RED);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_SWIZZLE_G, GL_GREEN);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_SWIZZLE_B, GL_BLUE);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_SWIZZLE_A, GL_ALPHA);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_BASE_LEVEL, 0);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAX_LEVEL, texture.levels() - 1);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gl4.glTexStorage3D(
GL_TEXTURE_2D_ARRAY,
texture.levels(),
format.internal.value,
texture.dimensions(0)[0],
texture.dimensions(0)[1],
1);
for (int level = 0; level < texture.levels(); ++level) {
gl4.glTexSubImage3D(
GL_TEXTURE_2D_ARRAY,
level,
0,
0,
0,
texture.dimensions(level)[0],
texture.dimensions(level)[1],
1,
format.external.value,
format.type.value,
texture.data(level));
}
gl4.glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
} catch (IOException ex) {
Logger.getLogger(Gl_430_texture_storage.class.getName()).log(Level.SEVERE, null, ex);
}
return true;
}
@Override
public void draw(GLAutoDrawable glAutoDrawable, MatrixStack mvStack, Matrix3D pMat) {
GL4 gl = (GL4) glAutoDrawable.getGL();
mvStack.pushMatrix(); // push translate
translate(dxTranslate, dyTranslate, dzTranslate);
mvStack.multMatrix(getTranslation());
mvStack.pushMatrix(); // push rotate
rotate(dxRotate, dyRotate, dzRotate);
mvStack.multMatrix(getRotation());
mvStack.multMatrix(getScale());
gl.glUniformMatrix4fv(IdentityLocs.getMvLoc(), 1, false, mvStack.peek().getFloatValues(), 0);
gl.glUniformMatrix4fv(IdentityLocs.getProjLoc(), 1, false, pMat.getFloatValues(), 0);
gl.glUniformMatrix4fv(
IdentityLocs.getnlocation(),
1,
false,
(mvStack.peek().inverse().transpose().getFloatValues()),
0);
// bind vertex values
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[index]);
gl.glVertexAttribPointer(0, 3, GL.GL_FLOAT, false, 0, 0);
gl.glEnableVertexAttribArray(0);
// bind normal values
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[index + 2]);
gl.glVertexAttribPointer(1, 3, GL.GL_FLOAT, false, 0, 0);
gl.glEnableVertexAttribArray(1);
// bind texture values
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[index + 1]);
gl.glVertexAttribPointer(2, 2, GL.GL_FLOAT, false, 0, 0);
gl.glEnableVertexAttribArray(2);
gl.glActiveTexture(gl.GL_TEXTURE0);
gl.glBindTexture(gl.GL_TEXTURE_2D, texture);
gl.glEnable(GL_CULL_FACE);
gl.glFrontFace(GL_CCW);
gl.glEnable(GL_DEPTH_TEST);
gl.glDepthFunc(GL_LEQUAL);
// draw arrays
gl.glDrawArrays(GL_TRIANGLES, 0, myShape.getIndices().length);
mvStack.popMatrix(); // pop rotate
mvStack.popMatrix(); // pop translate
}
@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;
}
