List of usage examples for org.lwjgl.opengl GL15 glGenBuffers
@NativeType("void") public static int glGenBuffers()
From source file:com.badlogic.gdx.backends.lwjgl.LwjglGL11.java
License:Apache License
public void glGenBuffers(int n, int[] buffers, int offset) { for (int i = offset; i < offset + n; i++) buffers[i] = GL15.glGenBuffers(); }
From source file:com.badlogic.gdx.backends.lwjgl.LwjglGL20.java
License:Apache License
public int glGenBuffer() { return GL15.glGenBuffers(); }
From source file:com.flowpowered.caustic.lwjgl.gl20.GL20VertexArray.java
License:MIT License
@Override public void setData(VertexData vertexData) { checkCreated();// w w w . ja v a 2 s . co m // Generate a new indices buffer if we don't have one yet if (indicesBufferID == 0) { indicesBufferID = GL15.glGenBuffers(); } // Bind the indices buffer GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBufferID); // Get the new count of indices final int newIndicesCount = vertexData.getIndicesCount(); // If the new count is greater than or 50% smaller than the old one, we'll reallocate the memory // In the first case because we need more space, in the other to save space if (newIndicesCount > indicesCount || newIndicesCount <= indicesCount * 0.5) { GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, vertexData.getIndicesBuffer(), GL15.GL_STATIC_DRAW); } else { // Else, we replace the data with the new one, but we don't resize, so some old data might be left trailing in the buffer GL15.glBufferSubData(GL15.GL_ELEMENT_ARRAY_BUFFER, 0, vertexData.getIndicesBuffer()); } // Unbind the indices buffer GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0); // Update the total indices count indicesCount = newIndicesCount; // Ensure the count fits under the total one indicesDrawCount = indicesDrawCount <= 0 ? indicesCount : Math.min(indicesDrawCount, indicesCount); // Ensure that the indices offset and count fits inside the valid part of the buffer indicesOffset = Math.min(indicesOffset, indicesDrawCount - 1); indicesDrawCount -= indicesOffset; // Bind the vao if (extension.has()) { extension.glBindVertexArray(id); } // Create a new array of attribute buffers ID of the correct size final int attributeCount = vertexData.getAttributeCount(); final int[] newAttributeBufferIDs = new int[attributeCount]; // Copy all the old buffer IDs that will fit in the new array so we can reuse them System.arraycopy(attributeBufferIDs, 0, newAttributeBufferIDs, 0, Math.min(attributeBufferIDs.length, newAttributeBufferIDs.length)); // Delete any buffers that we don't need (new array is smaller than the previous one) for (int i = newAttributeBufferIDs.length; i < attributeBufferIDs.length; i++) { GL15.glDeleteBuffers(attributeBufferIDs[i]); } // Create new buffers if necessary (new array is larger than the previous one) for (int i = attributeBufferIDs.length; i < newAttributeBufferIDs.length; i++) { newAttributeBufferIDs[i] = GL15.glGenBuffers(); } // Copy the old valid attribute buffer sizes final int[] newAttributeBufferSizes = new int[attributeCount]; System.arraycopy(attributeBufferSizes, 0, newAttributeBufferSizes, 0, Math.min(attributeBufferSizes.length, newAttributeBufferSizes.length)); // If we don't have a vao, we have to save the properties manually if (!extension.has()) { attributeSizes = new int[attributeCount]; attributeTypes = new int[attributeCount]; attributeNormalizing = new boolean[attributeCount]; } // Upload the new vertex data for (int i = 0; i < attributeCount; i++) { final VertexAttribute attribute = vertexData.getAttribute(i); final ByteBuffer attributeData = attribute.getData(); // Get the current buffer size final int bufferSize = newAttributeBufferSizes[i]; // Get the new buffer size final int newBufferSize = attributeData.remaining(); // Bind the target buffer GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, newAttributeBufferIDs[i]); // If the new count is greater than or 50% smaller than the old one, we'll reallocate the memory if (newBufferSize > bufferSize || newBufferSize <= bufferSize * 0.5) { GL15.glBufferData(GL15.GL_ARRAY_BUFFER, attributeData, GL15.GL_STATIC_DRAW); } else { // Else, we replace the data with the new one, but we don't resize, so some old data might be left trailing in the buffer GL15.glBufferSubData(GL15.GL_ARRAY_BUFFER, 0, attributeData); } // Update the buffer size to the new one newAttributeBufferSizes[i] = newBufferSize; // Next, we add the pointer to the data in the vao if (extension.has()) { // As a float, normalized or not GL20.glVertexAttribPointer(i, attribute.getSize(), attribute.getType().getGLConstant(), attribute.getUploadMode().normalize(), 0, 0); // Enable the attribute GL20.glEnableVertexAttribArray(i); } else { // Else we save the properties for rendering attributeSizes[i] = attribute.getSize(); attributeTypes[i] = attribute.getType().getGLConstant(); attributeNormalizing[i] = attribute.getUploadMode().normalize(); } } // Unbind the last vbo GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0); // Unbind the vao if (extension.has()) { extension.glBindVertexArray(0); } // Update the attribute buffer IDs to the new ones attributeBufferIDs = newAttributeBufferIDs; // Update the attribute buffer sizes to the new ones attributeBufferSizes = newAttributeBufferSizes; // Check for errors LWJGLUtil.checkForGLError(); }
From source file:com.flowpowered.caustic.lwjgl.gl30.GL30VertexArray.java
License:MIT License
@Override public void setData(VertexData vertexData) { checkCreated();/*from ww w. j ava 2s .c om*/ // Generate a new indices buffer if we don't have one yet if (indicesBufferID == 0) { indicesBufferID = GL15.glGenBuffers(); } // Bind the indices buffer GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBufferID); // Get the new count of indices final int newIndicesCount = vertexData.getIndicesCount(); // If the new count is greater than or 50% smaller than the old one, we'll reallocate the memory // In the first case because we need more space, in the other to save space if (newIndicesCount > indicesCount || newIndicesCount <= indicesCount * 0.5) { GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, vertexData.getIndicesBuffer(), GL15.GL_STATIC_DRAW); } else { // Else, we replace the data with the new one, but we don't resize, so some old data might be left trailing in the buffer GL15.glBufferSubData(GL15.GL_ELEMENT_ARRAY_BUFFER, 0, vertexData.getIndicesBuffer()); } // Unbind the indices buffer GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0); // Update the total indices count indicesCount = newIndicesCount; // Ensure the count fits under the total one indicesDrawCount = indicesDrawCount <= 0 ? indicesCount : Math.min(indicesDrawCount, indicesCount); // Ensure that the indices offset and count fits inside the valid part of the buffer indicesOffset = Math.min(indicesOffset, indicesDrawCount - 1); indicesDrawCount -= indicesOffset; // Bind the vao GL30.glBindVertexArray(id); // Create a new array of attribute buffers ID of the correct size final int attributeCount = vertexData.getAttributeCount(); final int[] newAttributeBufferIDs = new int[attributeCount]; // Copy all the old buffer IDs that will fit in the new array so we can reuse them System.arraycopy(attributeBufferIDs, 0, newAttributeBufferIDs, 0, Math.min(attributeBufferIDs.length, newAttributeBufferIDs.length)); // Delete any buffers that we don't need (new array is smaller than the previous one) for (int i = newAttributeBufferIDs.length; i < attributeBufferIDs.length; i++) { GL15.glDeleteBuffers(attributeBufferIDs[i]); } // Create new buffers if necessary (new array is larger than the previous one) for (int i = attributeBufferIDs.length; i < newAttributeBufferIDs.length; i++) { newAttributeBufferIDs[i] = GL15.glGenBuffers(); } // Copy the old valid attribute buffer sizes final int[] newAttributeBufferSizes = new int[attributeCount]; System.arraycopy(attributeBufferSizes, 0, newAttributeBufferSizes, 0, Math.min(attributeBufferSizes.length, newAttributeBufferSizes.length)); // Upload the new vertex data for (int i = 0; i < attributeCount; i++) { final VertexAttribute attribute = vertexData.getAttribute(i); final ByteBuffer attributeData = attribute.getData(); // Get the current buffer size final int bufferSize = newAttributeBufferSizes[i]; // Get the new buffer size final int newBufferSize = attributeData.remaining(); // Bind the target buffer GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, newAttributeBufferIDs[i]); // If the new count is greater than or 50% smaller than the old one, we'll reallocate the memory if (newBufferSize > bufferSize || newBufferSize <= bufferSize * 0.5) { GL15.glBufferData(GL15.GL_ARRAY_BUFFER, attributeData, GL15.GL_STATIC_DRAW); } else { // Else, we replace the data with the new one, but we don't resize, so some old data might be left trailing in the buffer GL15.glBufferSubData(GL15.GL_ARRAY_BUFFER, 0, attributeData); } // Update the buffer size to the new one newAttributeBufferSizes[i] = newBufferSize; // Next, we add the pointer to the data in the vao // We have three ways to interpret integer data if (attribute.getType().isInteger() && attribute.getUploadMode() == UploadMode.KEEP_INT) { // Directly as an int GL30.glVertexAttribIPointer(i, attribute.getSize(), attribute.getType().getGLConstant(), 0, 0); } else { // Or as a float, normalized or not GL20.glVertexAttribPointer(i, attribute.getSize(), attribute.getType().getGLConstant(), attribute.getUploadMode().normalize(), 0, 0); } // Finally enable the attribute GL20.glEnableVertexAttribArray(i); } // Unbind the last vbo GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0); // Unbind the vao GL30.glBindVertexArray(0); // Update the attribute buffer IDs to the new ones attributeBufferIDs = newAttributeBufferIDs; // Update the attribute buffer sizes to the new ones attributeBufferSizes = newAttributeBufferSizes; // Check for errors LWJGLUtil.checkForGLError(); }
From source file:com.geekyaubergine.geekyjgameutil.model.ModelLoader.java
License:Open Source License
/** * Stores data in attribute list//from w ww. ja va 2 s .co m * @param attributeNumber Index in the attribute list to store data * @param data Data to store in attribute * @param dataSize Size of the data being stored */ private static void storeDataInAttributeList(int attributeNumber, float[] data, int dataSize) { Validate.isTrue(attributeNumber >= 0, "Attribute index must be a positive number"); Validate.isTrue(dataSize >= 0, "Data size must be a positive number"); int vboID = GL15.glGenBuffers(); vbos.add(vboID); GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboID); FloatBuffer buffer = storeDataInFloatBuffer(data); GL15.glBufferData(GL15.GL_ARRAY_BUFFER, buffer, GL15.GL_STATIC_DRAW); GL20.glVertexAttribPointer(attributeNumber, dataSize, GL11.GL_FLOAT, false, 0, 0); GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0); }
From source file:com.geekyaubergine.geekyjgameutil.model.ModelLoader.java
License:Open Source License
/** * Binds indices buffer for model//w w w .j a v a 2 s .co m * @param indicies Indices */ private static void bindIndicesBuffer(int[] indicies) { int vboID = GL15.glGenBuffers(); vbos.add(vboID); GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboID); IntBuffer buffer = storeDataInIntBuffer(indicies); GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, buffer, GL15.GL_STATIC_DRAW); }
From source file:com.github.kajdreef.mazerunnermvn.Object.GameObject.java
protected void createVBO() { FloatBuffer verticesBuffer = BufferUtils.createFloatBuffer(vertices.length * Vertex.elementCount); for (int i = 0; i < vertices.length; i++) { verticesBuffer.put(vertices[i].getElements()); }/*from w ww . ja va 2 s . co m*/ verticesBuffer.flip(); // Create the indices buffer and place the data in it. ByteBuffer indicesBuffer = BufferUtils.createByteBuffer(indicesData.length); indicesBuffer.put(indicesData); indicesBuffer.flip(); // Initialize the VAO vaoId = GL30.glGenVertexArrays(); GL30.glBindVertexArray(vaoId); // Initialize the VBO vboVerticesId = GL15.glGenBuffers(); GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboVerticesId); GL15.glBufferData(GL15.GL_ARRAY_BUFFER, verticesBuffer, GL15.GL_STATIC_DRAW); // Put the positions in attribute list 0 GL20.glVertexAttribPointer(0, Vertex.positionElementCount, GL11.GL_FLOAT, false, Vertex.stride, Vertex.positionByteOffset); // Put the color components in attribute list 1 GL20.glVertexAttribPointer(1, Vertex.colorElementCount, GL11.GL_FLOAT, false, Vertex.stride, Vertex.colorByteOffset); // Put the texture coordinates in attribute list 2 GL20.glVertexAttribPointer(2, Vertex.textureElementCount, GL11.GL_FLOAT, false, Vertex.stride, Vertex.textureByteOffset); GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0); // Deselect the VAO GL30.glBindVertexArray(0); // Create a VBO for the indices. vboIndicesId = GL15.glGenBuffers(); GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboIndicesId); GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBuffer, GL15.GL_STATIC_DRAW); GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0); }
From source file:com.google.gapid.glviewer.gl.Buffer.java
License:Apache License
public Buffer(int target) { this.target = target; this.handle = GL15.glGenBuffers(); }
From source file:com.google.gapid.glviewer.gl.IndexBuffer.java
License:Apache License
IndexBuffer(Renderer owner, int[] data) { super(owner); this.handle = GL15.glGenBuffers(); this.count = data.length; this.type = GL11.GL_UNSIGNED_INT; owner.register(this); bind();//ww w.j av a2 s . c om GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, data, GL15.GL_STATIC_DRAW); }
From source file:com.google.gapid.glviewer.gl.Util.java
License:Apache License
public static int createBuffer() { return GL15.glGenBuffers(); }