List of usage examples for org.lwjgl.opengl GL20 glEnableVertexAttribArray
public static void glEnableVertexAttribArray(@NativeType("GLuint") int index)
From source file:org.spout.engine.renderer.shader.ClientShader.java
License:Open Source License
@Override public void enableAttribute(String name, int size, int type, int stride, long offset, int layout) { GL20.glEnableVertexAttribArray(layout); GL20.glVertexAttribPointer(layout, size, type, false, 0, offset); }
From source file:org.spout.renderer.lwjgl.gl20.GL20VertexArray.java
License:Open Source License
@Override public void setData(VertexData vertexData) { checkCreated();/*from ww w . ja v a2 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 count to the new one indicesCount = newIndicesCount; indicesDrawCount = indicesCount; // Ensure that the indices offset and count fits inside the valid part of the buffer indicesOffset = Math.min(indicesOffset, indicesCount - 1); indicesDrawCount = 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:org.spout.renderer.lwjgl.gl20.GL20VertexArray.java
License:Open Source License
@Override public void draw() { checkCreated();/*from w w w. j a va2s. co m*/ if (extension.has()) { // Bind the vao extension.glBindVertexArray(id); } else { // Enable the vertex attributes for (int i = 0; i < attributeBufferIDs.length; i++) { // Bind the buffer GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, attributeBufferIDs[i]); // Define the attribute GL20.glVertexAttribPointer(i, attributeSizes[i], attributeTypes[i], attributeNormalizing[i], 0, 0); // Enable it GL20.glEnableVertexAttribArray(i); } // Unbind the last buffer GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0); } // Bind the index buffer GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBufferID); // Draw all indices with the provided mode GL11.glDrawElements(drawingMode.getGLConstant(), indicesDrawCount, GL11.GL_UNSIGNED_INT, indicesOffset * DataType.INT.getByteSize()); // Unbind the indices buffer GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0); // Check for errors LWJGLUtil.checkForGLError(); }
From source file:org.spout.renderer.lwjgl.gl30.GL30VertexArray.java
License:Open Source License
@Override public void setData(VertexData vertexData) { checkCreated();//from w w w . j a v a2 s . c o 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 count to the new one indicesCount = newIndicesCount; indicesDrawCount = indicesCount; // Ensure that the indices offset and count fits inside the valid part of the buffer indicesOffset = Math.min(indicesOffset, indicesCount - 1); indicesDrawCount = 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:ovh.tgrhavoc.gameengine.core.Mesh.java
License:Open Source License
public void draw() { GL20.glEnableVertexAttribArray(0); GL20.glEnableVertexAttribArray(1);// w w w . j av a 2 s .com GL20.glEnableVertexAttribArray(2); GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vbo); GL20.glVertexAttribPointer(0, 3, GL11.GL_FLOAT, false, Vertex.SIZE * 4, 0); GL20.glVertexAttribPointer(1, 2, GL11.GL_FLOAT, false, Vertex.SIZE * 4, 12); GL20.glVertexAttribPointer(2, 3, GL11.GL_FLOAT, false, Vertex.SIZE * 4, 20); GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, ibo); GL11.glDrawElements(GL11.GL_TRIANGLES, size, GL11.GL_UNSIGNED_INT, 0); GL20.glDisableVertexAttribArray(0); GL20.glDisableVertexAttribArray(1); GL20.glDisableVertexAttribArray(2); }
From source file:playn.java.JavaGL20.java
License:Apache License
@Override public void glEnableVertexAttribArray(int index) { GL20.glEnableVertexAttribArray(index); }
From source file:processing.lwjgl.PGL.java
License:Open Source License
public void enableVertexAttribArray(int loc) { GL20.glEnableVertexAttribArray(loc); }
From source file:processing.opengl.PLWJGL.java
License:Open Source License
@Override public void enableVertexAttribArray(int index) { GL20.glEnableVertexAttribArray(index); }
From source file:se.angergard.engine.graphics.Mesh.java
License:Apache License
public void draw() { GL20.glEnableVertexAttribArray(0); GL20.glEnableVertexAttribArray(1);//from w ww .j a v a 2 s . co m GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vbo); GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, ibo); GL20.glVertexAttribPointer(0, 2, GL11.GL_FLOAT, false, Vertex2D.SIZE_BYTES, 0); GL20.glVertexAttribPointer(1, 2, GL11.GL_FLOAT, false, Vertex2D.SIZE_BYTES, 8); GL11.glDrawElements(GL11.GL_TRIANGLES, INDICES_LENGTH, GL11.GL_UNSIGNED_INT, 0); GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0); GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0); GL20.glDisableVertexAttribArray(0); GL20.glDisableVertexAttribArray(1); }
From source file:tk.ivybits.engine.gl.GL.java
License:Open Source License
public static void glEnableVertexAttribArray(int a) { GL20.glEnableVertexAttribArray(a); }