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:zildo.fwk.gfx.engine.TextureEngine.java

License:Open Source License

public void generateTexture() {

    // Create A IntBuffer For Image Address In Memory
    IntBuffer buf = ByteBuffer.allocateDirect(4).order(ByteOrder.nativeOrder()).asIntBuffer();
    GL11.glGenTextures(buf); // Create Texture In OpenGL

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, buf.get(0));
    // Typical Texture Generation Using Data From The Image

    int wrapping = GL11.GL_REPEAT; // Wrap texture (useful for cloud)
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, wrapping);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, wrapping);

    int filtering = GL11.GL_NEAREST;
    // Linear Filtering
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, filtering);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, filtering);
    // Generate The Texture
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, textureFormat, 256, 256, 0, textureFormat, GL11.GL_UNSIGNED_BYTE,
            scratch);/*from w w  w . java2 s .c o  m*/

    // Reset bytebuffer scratch
    scratch.clear();

    // Store texture id
    textureTab[n_Texture] = buf.get(0);

    // Ready for next one
    n_Texture++;
}

From source file:zildo.fwk.opengl.Utils.java

License:Open Source License

public static int generateTexture(int sizeX, int sizeY) {
    IntBuffer buf = ByteBuffer.allocateDirect(4).order(ByteOrder.nativeOrder()).asIntBuffer();
    GL11.glGenTextures(buf); // Create Texture In OpenGL
    int textureID = buf.get(0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);

    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, adjustTexSize(sizeX), adjustTexSize(sizeY), 0,
            GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, (ByteBuffer) null);

    return textureID;
}

From source file:zildo.fwk.opengl.Utils.java

License:Open Source License

public static void copyScreenToTexture(int p_texId, int p_sizeX, int p_sizeY) {
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, p_texId);

    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);

    GL11.glCopyTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, 0, 0, p_sizeX, p_sizeY, 0);
}

From source file:zildo.platform.engine.LwjglTextureEngine.java

License:Open Source License

@Override
public int doGenerateTexture() {
    scratch.position(0);// w ww .  ja v  a2s  . co  m

    // Create A IntBuffer For Image Address In Memory
    IntBuffer buf = ByteBuffer.allocateDirect(4).order(ByteOrder.nativeOrder()).asIntBuffer();
    GL11.glGenTextures(buf); // Create Texture In OpenGL

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, buf.get(0));
    // Typical Texture Generation Using Data From The Image

    int wrapping = GL11.GL_REPEAT; // Wrap texture (useful for cloud)
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, wrapping);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, wrapping);

    int filtering = GL11.GL_NEAREST;
    // Linear Filtering
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, filtering);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, filtering);
    // Generate The Texture
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, getTextureFormat(), 256, 256, 0, getTextureFormat(),
            GL11.GL_UNSIGNED_BYTE, scratch);

    return buf.get(0);
}

From source file:zildo.platform.engine.LwjglTextureEngine.java

License:Open Source License

@Override
public int loadTexture(String name) {
    try {/* w w w.  j av a2s . c o  m*/
        Texture tex = TextureLoader.getTexture("PNG",
                new FileInputStream(Constantes.DATA_PATH + "textures/" + name + ".png"));

        int id = tex.getTextureID();

        GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
        // Typical Texture Generation Using Data From The Image

        int wrapping = GL11.GL_REPEAT; // Wrap texture (useful for cloud)
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, wrapping);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, wrapping);

        int filtering = GL11.GL_NEAREST;
        // Linear Filtering
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, filtering);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, filtering);

        // Store texture id
        textureTab[n_Texture] = tex.getTextureID();
        alphaTab[n_Texture] = true;

        // Ready for next one
        n_Texture++;

        return tex.getTextureID();
    } catch (Exception e) {
        throw new RuntimeException("Can't load texture " + name, e.getCause());
    }

}

From source file:zildo.platform.opengl.GLUtils.java

License:Open Source License

public static int generateTexture(int sizeX, int sizeY) {
    IntBuffer buf = ByteBuffer.allocateDirect(4).order(ByteOrder.nativeOrder()).asIntBuffer();
    GL11.glGenTextures(buf); // Create Texture In OpenGL
    int textureID = buf.get(0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);

    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, ZUtils.adjustTexSize(sizeX),
            ZUtils.adjustTexSize(sizeY), 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, (ByteBuffer) null);

    return textureID;
}