private void initVertexArray(GL3 gl3) {
gl3.glGenVertexArrays(1, vertexArrayName);
gl3.glBindVertexArray(vertexArrayName.get(0));
{
gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
{
int stride = (2 + 3) * Float.BYTES;
int offset = 0 * Float.BYTES;
gl3.glEnableVertexAttribArray(Semantic.Attr.POSITION);
gl3.glVertexAttribPointer(Semantic.Attr.POSITION, 2, GL_FLOAT, false, stride, offset);
offset = 2 * Float.BYTES;
gl3.glEnableVertexAttribArray(Semantic.Attr.COLOR);
gl3.glVertexAttribPointer(Semantic.Attr.COLOR, 3, GL_FLOAT, false, stride, offset);
}
gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
}
gl3.glBindVertexArray(0);
checkError(gl3, "initVao");
}
@Override
protected boolean render(GL gl) {
GL3 gl3 = (GL3) gl;
Mat4 projection = glm.ortho_(-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, -1.0f);
Mat4 model = new Mat4(1.0f);
Mat4 mvp = projection.mul(new Mat4(1.0f)).mul(model);
gl3.glViewport(0, 0, windowSize.x, windowSize.y);
gl3.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 0).put(1, 0).put(2, 0).put(3, 0));
// Bind the program for use
gl3.glUseProgram(programName);
gl3.glUniform1i(uniformDiffuse, 0);
gl3.glUniformMatrix4fv(uniformMvp, 1, false, mvp.toFa_(), 0);
gl3.glActiveTexture(GL_TEXTURE0);
gl3.glBindTexture(GL_TEXTURE_RECTANGLE, textureRectName.get(0));
gl3.glBindVertexArray(vertexArrayName.get(0));
gl3.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);
return true;
}
@Override
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
System.out.println("reshape");
GL3 gl3 = drawable.getGL().getGL3();
/** Just the glViewport for this sample, normally here you update your projection matrix. */
gl3.glViewport(x, y, width, height);
}
@Override
public void dispose(GLAutoDrawable glad) {
GL3 gl3 = glad.getGL().getGL3();
gl3.glDeleteVertexArrays(1, VAO, 0);
gl3.glDeleteBuffers(1, VBO, 0);
for (int shader : shaders) gl3.glDeleteShader(shader);
gl3.glDeleteProgram(program);
}
@Override
public void init(GLAutoDrawable glad) {
GL3 gl3 = glad.getGL().getGL3();
try {
shaders.add(
GLSLHelpers.createShader(gl3, getClass(), GL3.GL_VERTEX_SHADER, "glsl/simple_vs"));
shaders.add(
GLSLHelpers.createShader(gl3, getClass(), GL3.GL_FRAGMENT_SHADER, "glsl/simple_fs"));
program = GLSLHelpers.createProgram(gl3, shaders);
gl3.glGenVertexArrays(1, VAO, 0);
gl3.glBindVertexArray(VAO[0]);
gl3.glGenBuffers(1, VBO, 0);
gl3.glBindBuffer(GL3.GL_ARRAY_BUFFER, VBO[0]);
FloatBuffer buffer = GLBuffers.newDirectFloatBuffer(TRIANGLE);
gl3.glBufferData(GL3.GL_ARRAY_BUFFER, buffer.capacity() * 4, buffer, GL3.GL_STATIC_DRAW);
gl3.glEnableVertexAttribArray(0);
gl3.glVertexAttribPointer(0, 2, GL3.GL_FLOAT, false, 0, 0);
gl3.glBindVertexArray(0);
} catch (Throwable t) {
t.printStackTrace();
}
}
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");
}
@Override
public void dispose(GLAutoDrawable drawable) {
System.out.println("dispose");
GL3 gl3 = drawable.getGL().getGL3();
gl3.glDeleteProgram(programName);
gl3.glDeleteVertexArrays(1, vertexArrayName);
gl3.glDeleteBuffers(Buffer.MAX, bufferName);
System.exit(0);
}
private boolean initBuffer(GL3 gl3) {
FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);
gl3.glGenBuffers(1, bufferName);
gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(0));
gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);
BufferUtils.destroyDirectBuffer(vertexBuffer);
return checkError(gl3, "initBuffer");
}
private boolean initProgram(GL3 gl3) {
boolean validated = true;
if (validated) {
ShaderProgram shaderProgram = new ShaderProgram();
ShaderCode vertShaderCode =
ShaderCode.create(
gl3,
GL_VERTEX_SHADER,
this.getClass(),
SHADERS_ROOT,
null,
SHADERS_SOURCE,
"vert",
null,
true);
ShaderCode fragShaderCode =
ShaderCode.create(
gl3,
GL_FRAGMENT_SHADER,
this.getClass(),
SHADERS_ROOT,
null,
SHADERS_SOURCE,
"frag",
null,
true);
shaderProgram.init(gl3);
shaderProgram.add(vertShaderCode);
shaderProgram.add(fragShaderCode);
programName = shaderProgram.program();
shaderProgram.link(gl3, System.out);
}
// Get variables locations
if (validated) {
uniformMvp = gl3.glGetUniformLocation(programName, "mvp");
uniformDiffuse = gl3.glGetUniformLocation(programName, "diffuse");
}
return validated & checkError(gl3, "initProgram");
}
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");
}
@Override
public void init(GLAutoDrawable drawable) {
System.out.println("init");
GL3 gl3 = drawable.getGL().getGL3();
initBuffers(gl3);
initVertexArray(gl3);
initProgram(gl3);
gl3.glEnable(GL_DEPTH_TEST);
start = System.currentTimeMillis();
}
@Override
protected boolean end(GL gl) {
GL3 gl3 = (GL3) gl;
gl3.glDeleteBuffers(1, bufferName);
gl3.glDeleteProgram(programName);
gl3.glDeleteTextures(1, textureName);
gl3.glDeleteVertexArrays(1, vertexArrayName);
BufferUtils.destroyDirectBuffer(bufferName);
BufferUtils.destroyDirectBuffer(textureName);
BufferUtils.destroyDirectBuffer(vertexArrayName);
return checkError(gl3, "end");
}
public void bind(GL3 gl, int textureUnit) {
if (!isInitialised) {
logger.error("Attempted to bind an uninitalised Vertex Buffer");
return;
}
gl.glActiveTexture(GL3.GL_TEXTURE0 + textureUnit);
texture.bind(gl);
}
private boolean initTexture(GL3 gl3) {
IntBuffer textureSize = GLBuffers.newDirectIntBuffer(1);
try {
gl3.glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
gl3.glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE, textureSize);
gl3.glGenTextures(1, textureRectName);
gl3.glActiveTexture(GL_TEXTURE0);
gl3.glBindTexture(GL_TEXTURE_RECTANGLE, textureRectName.get(0));
gl3.glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_BASE_LEVEL, 0);
gl3.glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MAX_LEVEL, 0);
gl3.glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl3.glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
jgli.Texture2d texture = new Texture2d(jgli.Load.load(TEXTURE_ROOT + "/" + TEXTURE_DIFFUSE));
jgli.Gl.Format format = jgli.Gl.translate(texture.format());
assert (texture.dimensions()[0] <= textureSize.get(0)
&& texture.dimensions()[1] <= textureSize.get(0));
gl3.glTexImage2D(
GL_TEXTURE_RECTANGLE,
0,
format.internal.value,
texture.dimensions()[0],
texture.dimensions()[1],
0,
format.external.value,
format.type.value,
texture.data());
gl3.glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
} catch (IOException ex) {
Logger.getLogger(Gl_330_texture_rect.class.getName()).log(Level.SEVERE, null, ex);
}
BufferUtils.destroyDirectBuffer(textureSize);
return true;
}
@Override
protected boolean end(GL gl) {
GL3 gl3 = (GL3) gl;
gl3.glDeleteProgram(programName);
gl3.glDeleteBuffers(Buffer.MAX, bufferName);
gl3.glDeleteTextures(1, textureName);
gl3.glDeleteVertexArrays(1, vertexArrayName);
BufferUtils.destroyDirectBuffer(bufferName);
BufferUtils.destroyDirectBuffer(textureName);
BufferUtils.destroyDirectBuffer(vertexArrayName);
BufferUtils.destroyDirectBuffer(clearColor);
return true;
}
public void display(GL3 gl) {
model.bindBuffer(gl);
// TODO separate shader uniforms
for (Map.Entry<String, Object> entry : model.getShaderUniforms().entrySet()) {
shader.setUniform(gl, entry.getKey(), entry.getValue());
}
// draw the triangles
gl.glDrawElements(GL3.GL_TRIANGLES, model.getIndexCount(), GL3.GL_UNSIGNED_INT, 0);
model.unbindBuffer(gl);
}
private boolean initTexture(GL3 gl3) {
try {
jgli.Texture2d texture = new Texture2d(jgli.Load.load(TEXTURE_ROOT + "/" + TEXTURE_DIFFUSE));
jgli.Gl.Format format = jgli.Gl.translate(texture.format());
jgli.Gl.Swizzles swizzles = jgli.Gl.translate(texture.swizzles());
gl3.glGenTextures(1, textureName);
gl3.glActiveTexture(GL_TEXTURE0);
gl3.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, swizzles.r.value);
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, swizzles.g.value);
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, swizzles.b.value);
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, swizzles.a.value);
for (int level = 0; level < texture.levels(); ++level) {
gl3.glTexImage2D(
GL_TEXTURE_2D,
level,
format.internal.value,
texture.dimensions(level)[0],
texture.dimensions(level)[1],
0,
format.external.value,
format.type.value,
texture.data(level));
}
} catch (IOException ex) {
Logger.getLogger(Gl_330_blend_index.class.getName()).log(Level.SEVERE, null, ex);
}
return checkError(gl3, "initTexture");
}
@Override
public void display(GLAutoDrawable glad) {
GL3 gl3 = glad.getGL().getGL3();
gl3.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
gl3.glClear(GL3.GL_COLOR_BUFFER_BIT);
gl3.glUseProgram(program);
gl3.glBindVertexArray(VAO[0]);
gl3.glDrawArrays(GL3.GL_TRIANGLES, 0, 3);
gl3.glBindVertexArray(0);
gl3.glUseProgram(0);
}
private boolean initVertexArray(GL3 gl3) {
gl3.glGenVertexArrays(1, vertexArrayName);
gl3.glBindVertexArray(vertexArrayName.get(0));
{
gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
gl3.glVertexAttribPointer(
Semantic.Attr.POSITION, 2, GL_FLOAT, false, glf.Vertex_v2fv2f.SIZE, 0);
gl3.glVertexAttribPointer(
Semantic.Attr.TEXCOORD, 2, GL_FLOAT, false, glf.Vertex_v2fv2f.SIZE, Vec2.SIZE);
gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl3.glEnableVertexAttribArray(Semantic.Attr.POSITION);
gl3.glEnableVertexAttribArray(Semantic.Attr.TEXCOORD);
gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
}
gl3.glBindVertexArray(0);
return true;
}
@Override
public void display(GLAutoDrawable drawable) {
// System.out.println("display");
GL3 gl3 = drawable.getGL().getGL3();
/**
* We set the clear color and depth (although depth is not necessary since it is 1 by default).
*/
gl3.glClearColor(0f, .33f, 0.66f, 1f);
gl3.glClearDepthf(1f);
gl3.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
{
// update matrix based on time
now = System.currentTimeMillis();
float diff = (float) (now - start) / 1000;
/**
* Here we build the matrix that will multiply our original vertex positions. We scale,
* halving it, and rotate it.
*/
scale = FloatUtil.makeScale(scale, true, 0.5f, 0.5f, 0.5f);
zRotazion = FloatUtil.makeRotationEuler(zRotazion, 0, 0, 0, diff);
modelToClip = FloatUtil.multMatrix(scale, zRotazion);
}
gl3.glUseProgram(programName);
gl3.glBindVertexArray(vertexArrayName.get(0));
gl3.glUniformMatrix4fv(modelToClipMatrixUL, 1, false, modelToClip, 0);
gl3.glDrawElements(GL_TRIANGLES, elementSize, GL_UNSIGNED_SHORT, 0);
/**
* The following line binds VAO and program to the default values, this is not a cheaper
* binding, it costs always as a binding. Every binding means additional validation and
* overhead, this may affect your performances. So you should avoid these calls, but remember
* that OpenGL is a state machine, so what you left bound remains bound!
*/
// gl3.glBindVertexArray(0);
// gl3.glUseProgram(0);
/**
* Check always any GL error, but keep in mind this is an implicit synchronization between CPU
* and GPU, so you should use it only for debug purposes.
*/
checkError(gl3, "display");
}
private boolean initVertexArray(GL3 gl3) {
gl3.glGenVertexArrays(1, vertexArrayName);
gl3.glBindVertexArray(vertexArrayName.get(0));
{
gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(0));
gl3.glVertexAttribPointer(Semantic.Attr.POSITION, 2, GL_FLOAT, false, Vertex_v2fv2f.SIZE, 0);
gl3.glVertexAttribPointer(
Semantic.Attr.TEXCOORD, 2, GL_FLOAT, false, Vertex_v2fv2f.SIZE, Vec2.SIZE);
gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl3.glEnableVertexAttribArray(Semantic.Attr.POSITION);
gl3.glEnableVertexAttribArray(Semantic.Attr.TEXCOORD);
}
gl3.glBindVertexArray(0);
return checkError(gl3, "initVertexArray");
}
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);
}
private void initBuffers(GL3 gl3) {
FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);
ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
gl3.glGenBuffers(Buffer.MAX, bufferName);
gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
{
gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
}
gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
{
gl3.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
}
gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
BufferUtils.destroyDirectBuffer(vertexBuffer);
BufferUtils.destroyDirectBuffer(elementBuffer);
checkError(gl3, "initBuffers");
}
@Override
protected boolean render(GL gl) {
GL3 gl3 = (GL3) gl;
{
gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
ByteBuffer pointer =
gl3.glMapBufferRange(
GL_UNIFORM_BUFFER, 0, Mat4.SIZE, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, 4.0f / 3.0f, 0.1f, 100.0f);
Mat4 model = new Mat4(1.0f);
pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());
gl3.glUnmapBuffer(GL_UNIFORM_BUFFER);
}
gl3.glDrawBuffer(GL_BACK);
gl3.glViewport(0, 0, windowSize.x, windowSize.y);
gl3.glDisable(GL_FRAMEBUFFER_SRGB);
clearColor.put(new float[] {1.0f, 0.5f, 0.0f, 1.0f}).rewind();
gl3.glClearBufferfv(GL_COLOR, 0, clearColor);
gl3.glUseProgram(programName);
gl3.glDisable(GL_FRAMEBUFFER_SRGB);
gl3.glActiveTexture(GL_TEXTURE0);
gl3.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
gl3.glBindBufferBase(
GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
gl3.glBindVertexArray(vertexArrayName.get(0));
gl3.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0);
return true;
}
private boolean initTexture(GL3 gl3) {
try {
jgli.Texture2d texture = new Texture2d(jgli.Load.load(TEXTURE_ROOT + "/" + TEXTURE_DIFFUSE));
assert (!texture.empty());
gl3.glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
gl3.glGenTextures(1, textureName);
gl3.glActiveTexture(GL_TEXTURE0);
gl3.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, texture.levels() - 1);
gl3.glTexParameteri(
GL_TEXTURE_2D,
GL_TEXTURE_MIN_FILTER,
texture.levels() == 1 ? GL_NEAREST : GL_NEAREST_MIPMAP_NEAREST);
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gl3.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_LOD, -1000.f);
gl3.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, 1000.f);
gl3.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, 0.0f);
jgli.Gl.Format format = jgli.Gl.translate(texture.format());
for (int level = 0; level < texture.levels(); ++level) {
gl3.glTexImage2D(
GL_TEXTURE_2D,
level,
format.internal.value,
texture.dimensions(level)[0],
texture.dimensions(level)[1],
0,
format.external.value,
format.type.value,
texture.data(level));
}
if (texture.levels() == 1) {
gl3.glGenerateMipmap(GL_TEXTURE_2D);
}
gl3.glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
} catch (IOException ex) {
Logger.getLogger(Gl_320_texture_2d.class.getName()).log(Level.SEVERE, null, ex);
}
return true;
}
private boolean initBuffer(GL3 gl3) {
ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);
IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);
gl3.glGenBuffers(Buffer.MAX, bufferName);
gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
gl3.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
gl3.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl3.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset);
int uniformBlockSize = Math.max(Mat4.SIZE, uniformBufferOffset.get(0));
gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
gl3.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize, null, GL_DYNAMIC_DRAW);
gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);
BufferUtils.destroyDirectBuffer(elementBuffer);
BufferUtils.destroyDirectBuffer(vertexBuffer);
BufferUtils.destroyDirectBuffer(uniformBufferOffset);
return checkError(gl3, "initBuffer");
}
@Override
protected boolean render(GL gl) {
GL3 gl3 = (GL3) gl;
// Setup blending
gl3.glEnable(GL_BLEND);
gl3.glBlendEquation(GL_FUNC_ADD);
gl3.glBlendFunc(GL_ONE, GL_SRC1_COLOR);
Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, 4.0f / 3.0f, 0.1f, 100.0f);
Mat4 model = new Mat4(1.0f);
Mat4 mvp = projection.mul(viewMat4()).mul(model);
gl3.glViewport(0, 0, windowSize.x, windowSize.y);
gl3.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, 1).put(2, 1).put(3, 1));
gl3.glUseProgram(programName);
gl3.glUniformMatrix4fv(uniformMvp, 1, false, mvp.toFa_(), 0);
gl3.glUniform1i(uniformDiffuse, 0);
gl3.glActiveTexture(GL_TEXTURE0);
gl3.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
gl3.glBindVertexArray(vertexArrayName.get(0));
gl3.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);
return true;
}