void read(ByteBuffer buffer) {
EXTFramebufferObject.glBindFramebufferEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT, frameBuffer);
buffer.position(0);
GL11.glReadPixels(
x0, y0, width, height, MipmapHelper.TEX_FORMAT, MipmapHelper.TEX_DATA_TYPE, buffer);
}
public void activate() {
if (framebuffer == INVALID_BUFFER) return; // Can't set this to active if it's not created yet
if (useEXT)
EXTFramebufferObject.glBindFramebufferEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT, framebuffer);
else GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, framebuffer);
GL11.glViewport(0, 0, width, height);
}
public void release() {
if (framebuffer != INVALID_BUFFER) {
if (useEXT)
EXTFramebufferObject.glBindFramebufferEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT, SCREEN_BUFFER);
else GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, SCREEN_BUFFER);
GL11.glViewport(0, 0, width, height);
}
}
void delete() {
if (!deleted) {
deleted = true;
if (ownTexture) {
GL11.glDeleteTextures(texture);
}
EXTFramebufferObject.glDeleteFramebuffersEXT(frameBuffer);
}
}
private FBO(int texture, boolean ownTexture, int x0, int y0, int width, int height) {
this.texture = texture;
this.ownTexture = ownTexture;
this.x0 = x0;
this.y0 = y0;
this.width = width;
this.height = height;
frameBuffer = EXTFramebufferObject.glGenFramebuffersEXT();
if (frameBuffer < 0) {
throw new RuntimeException("could not get framebuffer object");
}
GLAPI.glBindTexture(texture);
EXTFramebufferObject.glBindFramebufferEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT, frameBuffer);
EXTFramebufferObject.glFramebufferTexture2DEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT,
GL11.GL_TEXTURE_2D,
texture,
0);
}
void unbind() {
GL11.glPopAttrib();
GL11.glMatrixMode(GL11.GL_PROJECTION);
GL11.glPopMatrix();
GL11.glMatrixMode(GL11.GL_MODELVIEW);
GL11.glPopMatrix();
if (lightmapEnabled) {
GL13.glActiveTexture(GL13.GL_TEXTURE1);
GL11.glEnable(GL11.GL_TEXTURE_2D);
GL13.glActiveTexture(GL13.GL_TEXTURE0);
}
GL11.glEnable(GL11.GL_BLEND);
GLAPI.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);
}
void bind() {
EXTFramebufferObject.glBindFramebufferEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT, frameBuffer);
GL11.glPushAttrib(glAttributes);
GL11.glViewport(x0, y0, width, height);
GL11.glEnable(GL11.GL_SCISSOR_TEST);
GL11.glScissor(x0, y0, width, height);
lightmapEnabled = false;
if (gl13Supported) {
GL13.glActiveTexture(GL13.GL_TEXTURE1);
lightmapEnabled = GL11.glIsEnabled(GL11.GL_TEXTURE_2D);
if (lightmapEnabled) {
GL11.glDisable(GL11.GL_TEXTURE_2D);
}
GL13.glActiveTexture(GL13.GL_TEXTURE0);
}
GL11.glEnable(GL11.GL_TEXTURE_2D);
GL11.glDisable(GL11.GL_DEPTH_TEST);
GLAPI.glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
GL11.glDisable(GL11.GL_LIGHTING);
GL11.glEnable(GL11.GL_ALPHA_TEST);
GLAPI.glAlphaFunc(GL11.GL_GREATER, 0.01f);
if (useGL13) {
GL11.glDisable(GL13.GL_MULTISAMPLE);
}
GLAPI.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
GL11.glMatrixMode(GL11.GL_PROJECTION);
GL11.glPushMatrix();
GL11.glLoadIdentity();
GL11.glOrtho(-1.0f, 1.0f, -1.0f, 1.0f, -1.0f, 1.0f);
GL11.glMatrixMode(GL11.GL_MODELVIEW);
GL11.glPushMatrix();
GL11.glLoadIdentity();
}
public static boolean update(TextureAtlasSprite icon, boolean itemFrameRenderer) {
if (!initialized) {
logger.finer("deferring %s update until initialization finishes", IconAPI.getIconName(icon));
return false;
}
if (!active) {
return false;
}
int oldFB = GL11.glGetInteger(EXTFramebufferObject.GL_FRAMEBUFFER_BINDING_EXT);
if (oldFB != 0 && warnCount < 10) {
logger.finer(
"rendering %s while non-default framebuffer %d is active",
IconAPI.getIconName(icon), oldFB);
warnCount++;
}
int oldTexture = GL11.glGetInteger(GL11.GL_TEXTURE_BINDING_2D);
try {
FancyDial instance = getInstance(icon);
return instance != null && instance.render(itemFrameRenderer);
} finally {
EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, oldFB);
GLAPI.glBindTexture(oldTexture);
}
}
public void glGenRenderbuffers(int n, IntBuffer renderbuffers) {
EXTFramebufferObject.glGenRenderbuffersEXT(renderbuffers);
}
public void glGenFramebuffers(int n, IntBuffer framebuffers) {
EXTFramebufferObject.glGenFramebuffersEXT(framebuffers);
}
public void glFramebufferTexture2D(
int target, int attachment, int textarget, int texture, int level) {
EXTFramebufferObject.glFramebufferTexture2DEXT(target, attachment, textarget, texture, level);
}
public void glFramebufferRenderbuffer(
int target, int attachment, int renderbuffertarget, int renderbuffer) {
EXTFramebufferObject.glFramebufferRenderbufferEXT(
target, attachment, renderbuffertarget, renderbuffer);
}
public void free() {
EXTFramebufferObject.glDeleteRenderbuffersEXT(this.id);
}
public boolean glIsRenderbuffer(int renderbuffer) {
return EXTFramebufferObject.glIsRenderbufferEXT(renderbuffer);
}
public void glGetRenderbufferParameteriv(int target, int pname, IntBuffer params) {
EXTFramebufferObject.glGetRenderbufferParameterEXT(target, pname, params);
}
@Override
public void writeGPU() {
if (framebuffer != INVALID_BUFFER)
throw new IllegalStateException("Framebuffer already created!");
// Create the color buffer for this renderTexture
textureID = GL11.glGenTextures();
GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
GL11.glTexImage2D(
GL11.GL_TEXTURE_2D,
0,
GL11.GL_RGBA8,
width,
height,
0,
GL11.GL_RGBA,
GL11.GL_INT,
(java.nio.ByteBuffer) null); // Create the texture data
if (useEXT) {
framebuffer = EXTFramebufferObject.glGenFramebuffersEXT();
EXTFramebufferObject.glBindFramebufferEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT, framebuffer);
GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
EXTFramebufferObject.glFramebufferTexture2DEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT,
GL11.GL_TEXTURE_2D,
textureID,
0);
if (useDepthBuffer) {
depthTarget = GL30.glGenRenderbuffers();
EXTFramebufferObject.glBindRenderbufferEXT(
EXTFramebufferObject.GL_RENDERBUFFER_EXT, depthTarget);
EXTFramebufferObject.glRenderbufferStorageEXT(
EXTFramebufferObject.GL_RENDERBUFFER_EXT,
GL11.GL_DEPTH_COMPONENT,
this.getWidth(),
this.getHeight());
EXTFramebufferObject.glFramebufferRenderbufferEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
GL30.GL_DEPTH_ATTACHMENT,
EXTFramebufferObject.GL_RENDERBUFFER_EXT,
depthTarget);
}
if (EXTFramebufferObject.glCheckFramebufferStatusEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT)
!= EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT) {
System.out.println("ERROR: Framebuffer not complete");
throw new ComputerIsPotatoException("Framebuffer not complete");
}
} else {
framebuffer = GL30.glGenFramebuffers();
GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, framebuffer);
GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
GL30.glFramebufferTexture2D(
GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D, textureID, 0);
if (useDepthBuffer) {
depthTarget = GL30.glGenRenderbuffers();
GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, depthTarget);
GL30.glRenderbufferStorage(
GL30.GL_RENDERBUFFER, GL11.GL_DEPTH_COMPONENT, this.getWidth(), this.getHeight());
GL30.glFramebufferRenderbuffer(
GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL30.GL_RENDERBUFFER, depthTarget);
}
GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, SCREEN_BUFFER);
if (GL30.glCheckFramebufferStatus(GL30.GL_FRAMEBUFFER) != GL30.GL_FRAMEBUFFER_COMPLETE) {
System.out.println("ERROR: Framebuffer not complete");
throw new ComputerIsPotatoException("Framebuffer not complete");
}
}
GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
}
protected static void unbind() {
EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, 0);
}
public void glGenerateMipmap(int target) {
EXTFramebufferObject.glGenerateMipmapEXT(target);
}
public void glBindFramebuffer(int target, int framebuffer) {
EXTFramebufferObject.glBindFramebufferEXT(target, framebuffer);
}
public void glGetFramebufferAttachmentParameteriv(
int target, int attachment, int pname, IntBuffer params) {
EXTFramebufferObject.glGetFramebufferAttachmentParameterEXT(target, attachment, pname, params);
}
protected void bind() {
EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, this.id);
}
public boolean glIsFramebuffer(int framebuffer) {
return EXTFramebufferObject.glIsFramebufferEXT(framebuffer);
}
public int glCheckFramebufferStatus(int target) {
return EXTFramebufferObject.glCheckFramebufferStatusEXT(target);
}
public void glRenderbufferStorage(int target, int internalformat, int width, int height) {
EXTFramebufferObject.glRenderbufferStorageEXT(target, internalformat, width, height);
}
public void initStorage(final int internalFormat, final int width, final int height) {
this.bind();
EXTFramebufferObject.glRenderbufferStorageEXT(
EXTFramebufferObject.GL_RENDERBUFFER_EXT, internalFormat, width, height);
RenderBuffer.unbind();
}
public void glBindRenderbuffer(int target, int renderbuffer) {
EXTFramebufferObject.glBindRenderbufferEXT(target, renderbuffer);
}
RenderBuffer() {
assert (this.isSupported());
this.id = EXTFramebufferObject.glGenRenderbuffersEXT();
}