Java tutorial
/** * Copyright 2012 Jason Sorensen (sorensenj@smert.net) * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the * specific language governing permissions and limitations under the License. */ package net.smert.frameworkgl.opengl.helpers; import java.nio.ByteBuffer; import java.nio.FloatBuffer; import java.nio.IntBuffer; import java.nio.ShortBuffer; import net.smert.frameworkgl.opengl.constants.TextureTargets; import net.smert.frameworkgl.opengl.constants.TextureTypes; import org.lwjgl.opengl.GL11; import org.lwjgl.opengl.GL12; import org.lwjgl.opengl.GL13; import org.lwjgl.opengl.GL14; import org.lwjgl.opengl.GL30; /** * * @author Jason Sorensen <sorensenj@smert.net> */ public class TextureHelper { private int textureTarget = TextureTargets.TEXTURE_2D; public void activeTexture(int textureunit) { GL13.glActiveTexture(textureunit); } public void bind(int textureID) { GL11.glBindTexture(textureTarget, textureID); } public int create() { return GL11.glGenTextures(); } public void create(IntBuffer textureIDs) { GL11.glGenTextures(textureIDs); } public void delete(int textureID) { GL11.glDeleteTextures(textureID); } public void generateMipmap() { GL30.glGenerateMipmap(textureTarget); } public void setClamping(int wrapR, int wrapS, int wrapT) { GL11.glTexParameteri(textureTarget, GL12.GL_TEXTURE_WRAP_R, wrapR); GL11.glTexParameteri(textureTarget, GL11.GL_TEXTURE_WRAP_S, wrapS); GL11.glTexParameteri(textureTarget, GL11.GL_TEXTURE_WRAP_T, wrapT); } public void setCompareFunction(int compareFunc) { GL11.glTexParameteri(textureTarget, GL14.GL_TEXTURE_COMPARE_FUNC, compareFunc); } public void setCompareMode(int compareMode) { GL11.glTexParameteri(textureTarget, GL14.GL_TEXTURE_COMPARE_MODE, compareMode); } public void setFilters(int magFilter, int minFilter) { GL11.glTexParameteri(textureTarget, GL11.GL_TEXTURE_MAG_FILTER, magFilter); GL11.glTexParameteri(textureTarget, GL11.GL_TEXTURE_MIN_FILTER, minFilter); } public void setImage2DBytePixelData(int internalFormat, int width, int height, int format, ByteBuffer pixelData) { GL11.glTexImage2D(textureTarget, 0, internalFormat, width, height, 0, format, TextureTypes.UNSIGNED_BYTE, pixelData); } public void setImage2DFloatPixelData(int internalFormat, int width, int height, int format, FloatBuffer pixelData) { GL11.glTexImage2D(textureTarget, 0, internalFormat, width, height, 0, format, TextureTypes.FLOAT, pixelData); } public void setImage2DInt1010102PixelData(int internalFormat, int width, int height, int format, IntBuffer pixelData) { GL11.glTexImage2D(textureTarget, 0, internalFormat, width, height, 0, format, TextureTypes.UNSIGNED_INT_10_10_10_2, pixelData); } public void setImage2DIntPixelData(int internalFormat, int width, int height, int format, IntBuffer pixelData) { GL11.glTexImage2D(textureTarget, 0, internalFormat, width, height, 0, format, TextureTypes.UNSIGNED_INT, pixelData); } public void setImage2DShortPixelData(int internalFormat, int width, int height, int format, ShortBuffer pixelData) { GL11.glTexImage2D(textureTarget, 0, internalFormat, width, height, 0, format, TextureTypes.UNSIGNED_SHORT, pixelData); } public void setImage2DStencilPixelData(int internalFormat, int width, int height, int format, IntBuffer pixelData) { GL11.glTexImage2D(textureTarget, 0, internalFormat, width, height, 0, format, TextureTypes.UNSIGNED_INT_24_8, pixelData); } public void setImage3DBytePixelData(int internalFormat, int width, int height, int depth, int format, ByteBuffer pixelData) { GL12.glTexImage3D(textureTarget, 0, internalFormat, width, height, depth, 0, format, TextureTypes.UNSIGNED_BYTE, pixelData); } public void setImage3DFloatPixelData(int internalFormat, int width, int height, int depth, int format, FloatBuffer pixelData) { GL12.glTexImage3D(textureTarget, 0, internalFormat, width, height, depth, 0, format, TextureTypes.FLOAT, pixelData); } public void setImage3DInt1010102PixelData(int internalFormat, int width, int height, int depth, int format, IntBuffer pixelData) { GL12.glTexImage3D(textureTarget, 0, internalFormat, width, height, depth, 0, format, TextureTypes.UNSIGNED_INT_10_10_10_2, pixelData); } public void setImage3DIntPixelData(int internalFormat, int width, int height, int depth, int format, IntBuffer pixelData) { GL12.glTexImage3D(textureTarget, 0, internalFormat, width, height, depth, 0, format, TextureTypes.UNSIGNED_INT, pixelData); } public void setImage3DShortPixelData(int internalFormat, int width, int height, int depth, int format, ShortBuffer pixelData) { GL12.glTexImage3D(textureTarget, 0, internalFormat, width, height, depth, 0, format, TextureTypes.UNSIGNED_SHORT, pixelData); } public void setImage3DStencilPixelData(int internalFormat, int width, int height, int depth, int format, IntBuffer pixelData) { GL12.glTexImage3D(textureTarget, 0, internalFormat, width, height, depth, 0, format, TextureTypes.UNSIGNED_INT_24_8, pixelData); } public void setLodBias(float lodBias) { GL11.glTexParameterf(textureTarget, GL14.GL_TEXTURE_LOD_BIAS, lodBias); } public void setMaxLod(float maxLod) { GL11.glTexParameterf(textureTarget, GL12.GL_TEXTURE_MAX_LOD, maxLod); } public void setMinLod(float minLod) { GL11.glTexParameterf(textureTarget, GL12.GL_TEXTURE_MIN_LOD, minLod); } public void setTextureTarget2D() { textureTarget = TextureTargets.TEXTURE_2D; } public void setTextureTarget3D() { textureTarget = TextureTargets.TEXTURE_3D; } public void setTextureTargetCubeMap() { textureTarget = TextureTargets.TEXTURE_CUBE_MAP; } public void setTextureTargetCubeMapNegativeX() { textureTarget = TextureTargets.TEXTURE_CUBE_MAP_NEGATIVE_X; } public void setTextureTargetCubeMapPositiveX() { textureTarget = TextureTargets.TEXTURE_CUBE_MAP_POSITIVE_X; } public void setTextureTargetCubeMapNegativeY() { textureTarget = TextureTargets.TEXTURE_CUBE_MAP_NEGATIVE_Y; } public void setTextureTargetCubeMapPositiveY() { textureTarget = TextureTargets.TEXTURE_CUBE_MAP_POSITIVE_Y; } public void setTextureTargetCubeMapNegativeZ() { textureTarget = TextureTargets.TEXTURE_CUBE_MAP_NEGATIVE_Z; } public void setTextureTargetCubeMapPositiveZ() { textureTarget = TextureTargets.TEXTURE_CUBE_MAP_POSITIVE_Z; } public void unbind() { GL11.glBindTexture(textureTarget, 0); } }