Example usage for org.lwjgl.opengl GL14 GL_TEXTURE_FILTER_CONTROL

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL14 GL_TEXTURE_FILTER_CONTROL.

Prototype

int GL_TEXTURE_FILTER_CONTROL

To view the source code for org.lwjgl.opengl GL14 GL_TEXTURE_FILTER_CONTROL.

Click Source Link

Document

Accepted by the target parameters of GetTexEnvfv, GetTexEnviv, TexEnvi, TexEnvf, Texenviv, and TexEnvfv.

Usage

From source file:org.getspout.spout.config.MipMapUtils.java

License:Open Source License

public static void onTick(int texture, float targetFade, float currentFade) {
    GL11.glPushMatrix();/*from   ww  w  . j  av  a  2 s.c  om*/
    GL11.glBindTexture(3553, texture);

    if (targetFade != currentFade) {
        if (targetFade < currentFade) {
            currentFade -= 0.01f;
            if (currentFade <= targetFade) {
                currentFade = targetFade;
            }
        } else {
            currentFade += 0.01f;
            if (currentFade >= targetFade) {
                currentFade = targetFade;
            }
        }

        if (currentFade <= 0.0f) {
            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
            GL11.glAlphaFunc(GL11.GL_GREATER, 0.01F); //default blend state

            updateTerrain = false;
            GL11.glPopMatrix();
            return;
        } else {
            GL11.glTexEnvf(GL14.GL_TEXTURE_FILTER_CONTROL, GL14.GL_TEXTURE_LOD_BIAS,
                    getMipmapLevels(texture) * (currentFade - 1.0f));
        }
    }

    switch (mode) {
    case 1:
        GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
        break;

    case 2:
        EXTFramebufferObject.glGenerateMipmapEXT(GL11.GL_TEXTURE_2D);
        break;
    }
    GL11.glAlphaFunc(GL11.GL_GEQUAL, 0.3F); //more strict blend state
    GL11.glPopMatrix();
}

---

From source file:org.spoutcraft.client.config.MipMapUtils.java

License:Open Source License

public static void onTick(int texture, float targetFade, float currentFade) {
    GL11.glPushMatrix();// www.  j av a 2 s . co m
    SpoutClient.getHandle().renderEngine.bindTexture(texture);

    if (targetFade != currentFade) {
        if (targetFade < currentFade) {
            currentFade -= 0.01f;
            if (currentFade <= targetFade) {
                currentFade = targetFade;
            }
        } else {
            currentFade += 0.01f;
            if (currentFade >= targetFade) {
                currentFade = targetFade;
            }
        }

        if (currentFade <= 0.0f) {
            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
            GL11.glAlphaFunc(GL11.GL_GREATER, 0.01F); // Default blend state

            updateTerrain = false;
            GL11.glPopMatrix();
            return;
        } else {
            GL11.glTexEnvf(GL14.GL_TEXTURE_FILTER_CONTROL, GL14.GL_TEXTURE_LOD_BIAS,
                    getMipmapLevels(texture) * (currentFade - 1.0f));
        }
    }

    switch (mode) {
    case 1:
        GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
        break;
    case 2:
        EXTFramebufferObject.glGenerateMipmapEXT(GL11.GL_TEXTURE_2D);
        break;
    }
    GL11.glAlphaFunc(GL11.GL_GEQUAL, 0.3F); // More strict blend state
    GL11.glPopMatrix();
}

---