private static void setupShadowFrameBuffer() {
if (shadowPassInterval <= 0) {
return;
}
setupShadowRenderTexture();
glDeleteFramebuffersEXT(sfb);
sfb = glGenFramebuffersEXT();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, sfb);
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
glDeleteRenderbuffersEXT(sfbDepthBuffer);
sfbDepthBuffer = glGenRenderbuffersEXT();
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, sfbDepthBuffer);
glRenderbufferStorageEXT(
GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, shadowMapWidth, shadowMapHeight);
glFramebufferRenderbufferEXT(
GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, sfbDepthBuffer);
glFramebufferTexture2DEXT(
GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, sfbDepthTexture, 0);
int status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
System.out.println("Failed creating shadow framebuffer! (Status " + status + ")");
}
}
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 static void beginWeather() {
glEnable(GL_BLEND);
useProgram(Shaders.ProgramWeather);
if (isShadowPass) {
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); // will be set to sbf in endHand()
}
}
public static void endHand() {
glDisable(GL_BLEND);
useProgram(lightmapEnabled ? ProgramTexturedLit : ProgramTextured);
if (isShadowPass) {
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, sfb); // was set to 0 in beginWeather()
}
}
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);
}
}
public static void beginRender(Minecraft minecraft, float f, long l) {
if (isShadowPass) {
return;
}
mc = minecraft;
if (!isInitialized) {
init();
}
if (mc.displayWidth != renderWidth || mc.displayHeight != renderHeight) {
resize();
}
if (shadowPassInterval > 0 && --shadowPassCounter <= 0) {
// do shadow pass
preShadowPassThirdPersonView = mc.gameSettings.thirdPersonView;
mc.gameSettings.thirdPersonView = 1;
isShadowPass = true;
shadowPassCounter = shadowPassInterval;
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, sfb);
useProgram(ProgramNone);
mc.entityRenderer.renderWorld(f, l);
glFlush();
isShadowPass = false;
mc.gameSettings.thirdPersonView = preShadowPassThirdPersonView;
}
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, dfb);
useProgram(lightmapEnabled ? ProgramTexturedLit : ProgramTextured);
}
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();
}
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);
}
private static void setupFrameBuffer() {
setupRenderTextures();
if (dfb != 0) {
glDeleteFramebuffersEXT(dfb);
glDeleteRenderbuffersEXT(dfbRenderBuffers);
}
dfb = glGenFramebuffersEXT();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, dfb);
glGenRenderbuffersEXT(dfbRenderBuffers);
for (int i = 0; i < colorAttachments; ++i) {
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, dfbRenderBuffers.get(i));
if (i == 1) { // depth buffer
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB32F_ARB, renderWidth, renderHeight);
} else {
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGBA, renderWidth, renderHeight);
}
glFramebufferRenderbufferEXT(
GL_FRAMEBUFFER_EXT, dfbDrawBuffers.get(i), GL_RENDERBUFFER_EXT, dfbRenderBuffers.get(i));
glFramebufferTexture2DEXT(
GL_FRAMEBUFFER_EXT, dfbDrawBuffers.get(i), GL_TEXTURE_2D, dfbTextures.get(i), 0);
}
glDeleteRenderbuffersEXT(dfbDepthBuffer);
dfbDepthBuffer = glGenRenderbuffersEXT();
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, dfbDepthBuffer);
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, renderWidth, renderHeight);
glFramebufferRenderbufferEXT(
GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, dfbDepthBuffer);
int status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
System.out.println("Failed creating framebuffer! (Status " + status + ")");
}
}
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 glBindFramebuffer(int target, int framebuffer) {
EXTFramebufferObject.glBindFramebufferEXT(target, framebuffer);
}
@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);
}
public static void endRender() {
if (isShadowPass) {
return;
}
glPushMatrix();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glDisable(GL_DEPTH_TEST);
glEnable(GL_TEXTURE_2D);
// composite
glDisable(GL_BLEND);
useProgram(ProgramComposite);
glDrawBuffers(dfbDrawBuffers);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(0));
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(1));
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(2));
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(3));
if (colorAttachments >= 5) {
glActiveTexture(GL_TEXTURE4);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(4));
if (colorAttachments >= 6) {
glActiveTexture(GL_TEXTURE5);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(5));
if (colorAttachments >= 7) {
glActiveTexture(GL_TEXTURE6);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(6));
}
}
}
if (shadowPassInterval > 0) {
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, sfbDepthTexture);
}
glActiveTexture(GL_TEXTURE0);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(1.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(1.0f, 1.0f, 0.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(0.0f, 1.0f, 0.0f);
glEnd();
// final
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
useProgram(ProgramFinal);
glClearColor(clearColor[0], clearColor[1], clearColor[2], 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(0));
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(1));
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(2));
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(3));
if (colorAttachments >= 5) {
glActiveTexture(GL_TEXTURE4);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(4));
if (colorAttachments >= 6) {
glActiveTexture(GL_TEXTURE5);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(5));
if (colorAttachments >= 7) {
glActiveTexture(GL_TEXTURE6);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(6));
}
}
}
if (shadowPassInterval > 0) {
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, sfbDepthTexture);
}
glActiveTexture(GL_TEXTURE0);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(1.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(1.0f, 1.0f, 0.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(0.0f, 1.0f, 0.0f);
glEnd();
glEnable(GL_BLEND);
glPopMatrix();
useProgram(ProgramNone);
}