Example usage for org.lwjgl.opengl GL11 glTexParameteri

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glTexParameteri.

Prototype

public static void glTexParameteri(@NativeType("GLenum") int target, @NativeType("GLenum") int pname,
        @NativeType("GLint") int param) 

Source Link

Document

Sets the integer value of a texture parameter, which controls how the texel array is treated when specified or changed, and when applied to a fragment.

Usage

From source file:ion2d.INTexture2D.java

License:Open Source License

/**
 * Allows for the min filter, mag filter, wrap s, and wrap t to be changed
 * Please use the corresponding proper GL constants for the values
 *
 * @param int minFilter//from   w  ww.j a va 2 s. c o m
 * @param int magFilter
 * @param int wrapS
 * @param int wrapT
 */
public void setTextureParameters(int minFilter, int magFilter, int wrapS, int wrapT) {
    this.bind();
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, minFilter);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, magFilter);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, wrapS);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, wrapT);
}

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From source file:itdelatrisu.opsu.render.CurveRenderState.java

License:Open Source License

/**
 * Backup the current state of the relevant OpenGL state and change it to
 * what's needed to draw the curve./*from w w  w  .  j a  va2s.c  o m*/
 */
private RenderState startRender() {
    RenderState state = new RenderState();
    state.smoothedPoly = GL11.glGetBoolean(GL11.GL_POLYGON_SMOOTH);
    state.blendEnabled = GL11.glGetBoolean(GL11.GL_BLEND);
    state.depthEnabled = GL11.glGetBoolean(GL11.GL_DEPTH_TEST);
    state.depthWriteEnabled = GL11.glGetBoolean(GL11.GL_DEPTH_WRITEMASK);
    state.texEnabled = GL11.glGetBoolean(GL11.GL_TEXTURE_2D);
    state.texUnit = GL11.glGetInteger(GL13.GL_ACTIVE_TEXTURE);
    state.oldProgram = GL11.glGetInteger(GL20.GL_CURRENT_PROGRAM);
    state.oldArrayBuffer = GL11.glGetInteger(GL15.GL_ARRAY_BUFFER_BINDING);
    GL11.glDisable(GL11.GL_POLYGON_SMOOTH);
    GL11.glEnable(GL11.GL_BLEND);
    GL14.glBlendEquation(GL14.GL_FUNC_ADD);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glDepthMask(true);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glEnable(GL11.GL_TEXTURE_1D);
    GL11.glBindTexture(GL11.GL_TEXTURE_1D, staticState.gradientTexture);
    GL11.glTexParameteri(GL11.GL_TEXTURE_1D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR_MIPMAP_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_1D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_1D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);

    GL20.glUseProgram(0);

    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glPushMatrix();
    GL11.glLoadIdentity();
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glPushMatrix();
    GL11.glLoadIdentity();

    return state;
}

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From source file:itdelatrisu.opsu.render.Rendertarget.java

License:Open Source License

/**
 * Creates a Rendertarget with a Texture that it renders the color buffer in
 * and a renderbuffer that it renders the depth to.
 * @param width the width/*from w  w  w  .  jav  a2s.  c  o  m*/
 * @param height the height
*/
public static Rendertarget createRTTFramebuffer(int width, int height) {
    int old_framebuffer = GL11.glGetInteger(EXTFramebufferObject.GL_FRAMEBUFFER_BINDING_EXT);
    int old_texture = GL11.glGetInteger(GL11.GL_TEXTURE_BINDING_2D);
    Rendertarget buffer = new Rendertarget(width, height);
    buffer.bind();

    int fboTexture = buffer.textureID;
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, fboTexture);
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, 4, width, height, 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_INT,
            (ByteBuffer) null);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);

    EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, buffer.depthBufferID);
    EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
            GL11.GL_DEPTH_COMPONENT, width, height);
    EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
            EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
            buffer.depthBufferID);

    EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
            EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, fboTexture, 0);

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, old_texture);
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, old_framebuffer);

    return buffer;
}

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From source file:itemrender.client.rendering.FBOHelper.java

License:MIT License

private void createFramebuffer() {
    framebufferID = EXTFramebufferObject.glGenFramebuffersEXT();
    textureID = GL11.glGenTextures();//from   w  w w.j  a  v  a 2 s .c om
    int currentFramebuffer = GL11.glGetInteger(EXTFramebufferObject.GL_FRAMEBUFFER_BINDING_EXT);
    int currentTexture = GL11.glGetInteger(GL11.GL_TEXTURE_BINDING_2D);

    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, framebufferID);

    // Set our texture up, empty.
    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.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, renderTextureSize, renderTextureSize, 0,
            GL12.GL_BGRA, GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);

    // Restore old texture
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, currentTexture);

    // Create depth buffer
    depthbufferID = EXTFramebufferObject.glGenRenderbuffersEXT();
    EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, depthbufferID);
    EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
            GL11.GL_DEPTH_COMPONENT, renderTextureSize, renderTextureSize);

    // Bind depth buffer to the framebuffer
    EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
            EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
            depthbufferID);

    // Bind our texture to the framebuffer
    EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
            EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, textureID, 0);

    // Revert to default framebuffer
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, currentFramebuffer);
}

---

From source file:ivengine.Util.java

License:Creative Commons License

/**
 * Loads a texture from a URL <filename> into a texture unit <textureUnit>
 *///w  ww .j  a  v  a2s  . c o  m
public static int loadPNGTexture(URL filename, int textureUnit) {
    ByteBuffer buf = null;
    int tWidth = 0;
    int tHeight = 0;

    try {
        // Open the PNG file as an InputStream
        InputStream in = filename.openStream();
        // Link the PNG decoder to this stream
        PNGDecoder decoder = new PNGDecoder(in);

        // Get the width and height of the texture
        tWidth = decoder.getWidth();
        tHeight = decoder.getHeight();

        // Decode the PNG file in a ByteBuffer
        buf = ByteBuffer.allocateDirect(4 * decoder.getWidth() * decoder.getHeight());
        decoder.decode(buf, decoder.getWidth() * 4, Format.RGBA);
        buf.flip();

        in.close();
    } catch (IOException e) {
        e.printStackTrace();
        System.exit(-1);
    }

    // Create a new texture object in memory and bind it
    int texId = GL11.glGenTextures();
    GL13.glActiveTexture(textureUnit);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texId);

    // All RGB bytes are aligned to each other and each component is 1 byte
    GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);

    // Upload the texture data and generate mip maps (for scaling)
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGB, tWidth, tHeight, 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, buf);
    //GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);

    // Setup the ST coordinate system
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);

    // Setup what to do when the texture has to be scaled
    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);

    return texId;
}

---

From source file:ivengine.Util.java

License:Creative Commons License

/**
 * Stores a variable amount of textures defined by URLS <filenames> into a texture array. Uses a magfilter <magfilter>, a minfilter <minfilter>.
 * If <mipmap> is true, mipmaps will be activated.
 * If <anisotropic> is true, anisotropic filtering will be activated, if supported.
 *//*  w w w  .  j a  v a2 s.co  m*/
public static int loadTextureAtlasIntoTextureArray(URL[] filenames, int magfilter, int minfilter,
        boolean mipmap, boolean anisotropic) {
    int tex = GL11.glGenTextures();
    GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, tex);
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_MAG_FILTER, magfilter);
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_MIN_FILTER, minfilter);
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);

    ByteBuffer buf = null;
    PNGDecoder decoder = null;
    try {
        InputStream in = filenames[0].openStream();
        decoder = new PNGDecoder(in);

        buf = BufferUtils.createByteBuffer(4 * decoder.getWidth() * decoder.getHeight());

        decoder.decode(buf, decoder.getWidth() * 4, Format.RGBA);
        buf.flip();

        in.close();
    } catch (IOException e) {
        e.printStackTrace();
        System.exit(-1);
    }

    int tileWidth = decoder.getWidth();
    System.out.println(tileWidth);
    int tileHeight = decoder.getHeight();
    System.out.println(tileHeight);

    GL12.glTexImage3D(GL30.GL_TEXTURE_2D_ARRAY, 0, GL11.GL_RGBA, tileWidth, tileHeight, filenames.length, 0,
            GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, (ByteBuffer) null);

    for (int i = 0; i < filenames.length; i++) {
        GL12.glTexSubImage3D(GL30.GL_TEXTURE_2D_ARRAY, 0, /*tileWidth*x*/0, /*tileHeight*y*/0, i, tileWidth,
                tileHeight, 1, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, buf);

        buf.rewind();
        if (i < filenames.length - 1)
            loadTexture(filenames[i + 1], buf);
    }
    if (mipmap)
        GL30.glGenerateMipmap(GL30.GL_TEXTURE_2D_ARRAY);
    if (anisotropic) {
        if (GLContext.getCapabilities().GL_EXT_texture_filter_anisotropic) {
            float maxanis = GL11.glGetFloat(EXTTextureFilterAnisotropic.GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT);
            System.out.println("Anisotropic filtering activated with a resolution of " + maxanis);
            System.out.println(GL11.glGetError());
            GL11.glTexParameterf(GL30.GL_TEXTURE_2D_ARRAY,
                    EXTTextureFilterAnisotropic.GL_TEXTURE_MAX_ANISOTROPY_EXT, maxanis);
            System.out.println(GL11.glGetError());
        } else {
            System.err.println(
                    "WARNING - Anisotropic filtering not supported by this graphics card. Setting it as disabled");
        }
    }
    GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, 0);

    return tex;
}

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From source file:jake2.desktop.LWJGLAdapter.java

License:Open Source License

@Override
public void glTexParameteri(int target, int pname, int param) {
    GL11.glTexParameteri(target, pname, param);
}

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From source file:jpcsp.graphics.RE.RenderingEngineLwjgl.java

License:Open Source License

@Override
public void setTextureWrapMode(int s, int t) {
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, wrapModeToGL[s]);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, wrapModeToGL[t]);
}

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From source file:jpcsp.graphics.RE.RenderingEngineLwjgl.java

License:Open Source License

@Override
public void setTextureMipmapMinLevel(int level) {
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL12.GL_TEXTURE_BASE_LEVEL, level);
}

---

From source file:jpcsp.graphics.RE.RenderingEngineLwjgl.java

License:Open Source License

@Override
public void setTextureMipmapMaxLevel(int level) {
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL12.GL_TEXTURE_MAX_LEVEL, level);
}

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