List of usage examples for com.badlogic.gdx.graphics GL20 glGetIntegerv
public void glGetIntegerv(int pname, IntBuffer params);
From source file:com.microbasic.sm.tools.FrameBufferCubeMap.java
License:Apache License
private void build() { final GL20 gl = Gdx.gl20; // iOS uses a different framebuffer handle! (not necessarily 0) if (!defaultFramebufferHandleInitialized) { defaultFramebufferHandleInitialized = true; if (Gdx.app.getType() == ApplicationType.iOS) { final IntBuffer intbuf = ByteBuffer.allocateDirect(16 * Integer.SIZE / 8) .order(ByteOrder.nativeOrder()).asIntBuffer(); gl.glGetIntegerv(GL20.GL_FRAMEBUFFER_BINDING, intbuf); defaultFramebufferHandle = intbuf.get(0); } else {/*from w w w.j ava2s . c om*/ defaultFramebufferHandle = 0; } } setupTexture(); final IntBuffer handle = BufferUtils.newIntBuffer(1); gl.glGenFramebuffers(1, handle); framebufferHandle = handle.get(0); if (hasDepth) { handle.clear(); gl.glGenRenderbuffers(1, handle); depthbufferHandle = handle.get(0); } if (hasStencil) { handle.clear(); gl.glGenRenderbuffers(1, handle); stencilbufferHandle = handle.get(0); } gl.glBindTexture(GL20.GL_TEXTURE_CUBE_MAP, colorTexture.getTextureObjectHandle()); if (hasDepth) { gl.glBindRenderbuffer(GL20.GL_RENDERBUFFER, depthbufferHandle); gl.glRenderbufferStorage(GL20.GL_RENDERBUFFER, GL20.GL_DEPTH_COMPONENT16, colorTexture.getWidth(), colorTexture.getHeight()); } if (hasStencil) { gl.glBindRenderbuffer(GL20.GL_RENDERBUFFER, stencilbufferHandle); gl.glRenderbufferStorage(GL20.GL_RENDERBUFFER, GL20.GL_STENCIL_INDEX8, colorTexture.getWidth(), colorTexture.getHeight()); } gl.glBindFramebuffer(GL20.GL_FRAMEBUFFER, framebufferHandle); gl.glFramebufferTexture2D(GL20.GL_FRAMEBUFFER, GL20.GL_COLOR_ATTACHMENT0, GL20.GL_TEXTURE_CUBE_MAP, colorTexture.getTextureObjectHandle(), 0); if (hasDepth) { gl.glFramebufferRenderbuffer(GL20.GL_FRAMEBUFFER, GL20.GL_DEPTH_ATTACHMENT, GL20.GL_RENDERBUFFER, depthbufferHandle); } if (hasStencil) { gl.glFramebufferRenderbuffer(GL20.GL_FRAMEBUFFER, GL20.GL_STENCIL_ATTACHMENT, GL20.GL_RENDERBUFFER, stencilbufferHandle); } final int result = gl.glCheckFramebufferStatus(GL20.GL_FRAMEBUFFER); gl.glBindRenderbuffer(GL20.GL_RENDERBUFFER, 0); gl.glBindTexture(GL20.GL_TEXTURE_CUBE_MAP, 0); gl.glBindFramebuffer(GL20.GL_FRAMEBUFFER, defaultFramebufferHandle); /*for (int i = 0; i < 6; i++) { gl.glTexImage2D(GL20.GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL20.GL_ALPHA, width, height, 0, GL20.GL_ALPHA, GL20.GL_UNSIGNED_BYTE, null); }*/ if (result != GL20.GL_FRAMEBUFFER_COMPLETE) { colorTexture.dispose(); if (hasDepth) { handle.clear(); handle.put(depthbufferHandle); handle.flip(); gl.glDeleteRenderbuffers(1, handle); } if (hasStencil) { handle.clear(); handle.put(stencilbufferHandle); handle.flip(); gl.glDeleteRenderbuffers(1, handle); } handle.clear(); handle.put(framebufferHandle); handle.flip(); gl.glDeleteFramebuffers(1, handle); if (result == GL20.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT) { throw new IllegalStateException("frame buffer couldn't be constructed: incomplete attachment"); } if (result == GL20.GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS) { throw new IllegalStateException("frame buffer couldn't be constructed: incomplete dimensions"); } if (result == GL20.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT) { throw new IllegalStateException("frame buffer couldn't be constructed: missing attachment"); } if (result == GL20.GL_FRAMEBUFFER_UNSUPPORTED) { throw new IllegalStateException( "frame buffer couldn't be constructed: unsupported combination of formats"); } throw new IllegalStateException("frame buffer couldn't be constructed: unknown error " + result); } }
From source file:de.fatox.meta.graphics.buffer.MultisampleFBO.java
License:Apache License
protected void build() { GL20 gl = Gdx.gl20; checkValidBuilder();//ww w . j av a 2 s. c o m // iOS uses a different framebuffer handle! (not necessarily 0) if (!defaultFramebufferHandleInitialized) { defaultFramebufferHandleInitialized = true; if (Gdx.app.getType() == ApplicationType.iOS) { IntBuffer intbuf = ByteBuffer.allocateDirect(16 * Integer.SIZE / 8).order(ByteOrder.nativeOrder()) .asIntBuffer(); gl.glGetIntegerv(GL20.GL_FRAMEBUFFER_BINDING, intbuf); defaultFramebufferHandle = intbuf.get(0); } else { defaultFramebufferHandle = 0; } } framebufferHandle = gl.glGenFramebuffer(); gl.glBindFramebuffer(GL20.GL_FRAMEBUFFER, framebufferHandle); GLFrameBuffer.FrameBufferBuilder imBuilder = new GLFrameBuffer.FrameBufferBuilder(getWidth(), getHeight()); int width = bufferBuilder.width; int height = bufferBuilder.height; if (bufferBuilder.hasDepthRenderBuffer) { depthbufferHandle = gl.glGenRenderbuffer(); gl.glBindRenderbuffer(GL20.GL_RENDERBUFFER, depthbufferHandle); Gdx.gl30.glRenderbufferStorageMultisample(GL20.GL_RENDERBUFFER, 4, bufferBuilder.depthRenderBufferSpec.internalFormat, width, height); } if (bufferBuilder.hasStencilRenderBuffer) { stencilbufferHandle = gl.glGenRenderbuffer(); gl.glBindRenderbuffer(GL20.GL_RENDERBUFFER, stencilbufferHandle); Gdx.gl30.glRenderbufferStorageMultisample(GL20.GL_RENDERBUFFER, 4, bufferBuilder.stencilRenderBufferSpec.internalFormat, width, height); } if (bufferBuilder.hasPackedStencilDepthRenderBuffer) { depthStencilPackedBufferHandle = gl.glGenRenderbuffer(); gl.glBindRenderbuffer(GL20.GL_RENDERBUFFER, depthStencilPackedBufferHandle); Gdx.gl30.glRenderbufferStorageMultisample(GL20.GL_RENDERBUFFER, 4, bufferBuilder.packedStencilDepthRenderBufferSpec.internalFormat, width, height); } isMRT = bufferBuilder.textureAttachmentSpecs.size > 1; isMRT = true; int colorTextureCounter = 0; if (isMRT) { for (FrameBufferTextureAttachmentSpec attachmentSpec : bufferBuilder.textureAttachmentSpecs) { int texture = createTexture(attachmentSpec); textureAttachments++; if (attachmentSpec.isColorTexture()) { gl.glFramebufferTexture2D(GL20.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0 + colorTextureCounter, GL32.GL_TEXTURE_2D_MULTISAMPLE, texture, 0); imBuilder.addColorTextureAttachment(GL30.GL_RGBA8, GL30.GL_RGBA, GL30.GL_UNSIGNED_BYTE); colorTextureCounter++; } else if (attachmentSpec.isDepth) { gl.glFramebufferTexture2D(GL20.GL_FRAMEBUFFER, GL20.GL_DEPTH_ATTACHMENT, GL30.GL_TEXTURE_2D, texture, 0); imBuilder.addDepthTextureAttachment(GL30.GL_DEPTH_COMPONENT32F, GL30.GL_FLOAT); } else if (attachmentSpec.isStencil) { gl.glFramebufferTexture2D(GL20.GL_FRAMEBUFFER, GL20.GL_STENCIL_ATTACHMENT, gl.GL_TEXTURE_2D, texture, 0); } } } else { int texture = createTexture(bufferBuilder.textureAttachmentSpecs.first()); textureAttachments = 1; imBuilder.addColorTextureAttachment(GL30.GL_RGBA8, GL30.GL_RGBA, GL30.GL_UNSIGNED_BYTE); gl.glBindTexture(GL32.GL_TEXTURE_2D_MULTISAMPLE, texture); Gdx.gl30.glFramebufferTexture2D(GL20.GL_FRAMEBUFFER, GL20.GL_COLOR_ATTACHMENT0, GL32.GL_TEXTURE_2D_MULTISAMPLE, texture, 0); } if (isMRT) { IntBuffer buffer = BufferUtils.newIntBuffer(colorTextureCounter); for (int i = 0; i < colorTextureCounter; i++) { buffer.put(GL30.GL_COLOR_ATTACHMENT0 + i); } buffer.position(0); Gdx.gl30.glDrawBuffers(colorTextureCounter, buffer); } if (bufferBuilder.hasDepthRenderBuffer) { gl.glFramebufferRenderbuffer(GL20.GL_FRAMEBUFFER, GL20.GL_DEPTH_ATTACHMENT, GL20.GL_RENDERBUFFER, depthbufferHandle); } if (bufferBuilder.hasStencilRenderBuffer) { gl.glFramebufferRenderbuffer(GL20.GL_FRAMEBUFFER, GL20.GL_STENCIL_ATTACHMENT, GL20.GL_RENDERBUFFER, stencilbufferHandle); } if (bufferBuilder.hasPackedStencilDepthRenderBuffer) { gl.glFramebufferRenderbuffer(GL20.GL_FRAMEBUFFER, GL30.GL_DEPTH_STENCIL_ATTACHMENT, GL20.GL_RENDERBUFFER, depthStencilPackedBufferHandle); } gl.glBindRenderbuffer(GL20.GL_RENDERBUFFER, 0); gl.glBindTexture(GL32.GL_TEXTURE_2D_MULTISAMPLE, 0); assertShit(); gl.glBindFramebuffer(GL20.GL_FRAMEBUFFER, defaultFramebufferHandle); addManagedFrameBuffer(Gdx.app, this); nonMultisampledFbo = imBuilder.build(); }