Example usage for org.lwjgl.opengl GL11 glTexEnvf

Introduction

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

Prototype

public static native void glTexEnvf(@NativeType("GLenum") int target, @NativeType("GLenum") int pname,
        @NativeType("GLfloat") float param);

Source Link

Document

Float version of #glTexEnvi TexEnvi .

Usage

From source file:org.jtrfp.mtmx.internal.TextureLoader.java

License:Open Source License

@Override
public ITexture load(RawImage rawImage) throws EngineException {
    BufferedImage bufferedImage = null;

    try {//from  w ww .j  a  v  a  2s.co m
        bufferedImage = rawImage.toImage();
    } catch (FileStoreException e) {
        throw new EngineException("Could not convert texture image.", e);
    }

    final int type = GL11.GL_TEXTURE_2D;
    final int width = bufferedImage.getWidth();
    final int height = bufferedImage.getHeight();

    int textureId = createTextureId();
    Texture texture = new Texture(type, textureId, width, height);
    GL11.glBindTexture(type, textureId); // really neccessary here?

    ByteBuffer buffer = makeByteBuffer(bufferedImage, width, height);
    GL11.glTexParameteri(type, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(type, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexEnvf(GL11.GL_TEXTURE_ENV, GL11.GL_TEXTURE_ENV_MODE, GL11.GL_MODULATE);
    GL11.glTexImage2D(type, 0, GL11.GL_RGB, width, height, 0, GL11.GL_RGB, GL11.GL_UNSIGNED_BYTE, buffer);
    System.out.println("Created texture " + textureId);
    return texture;
}

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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  a  va 2  s.  c o  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();
}

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From source file:terminal.gld.TrueTypeFont.java

License:Open Source License

public static int loadImage(BufferedImage bufferedImage) {
    try {//from w w w  .j  ava2  s .  c  om
        short width = (short) bufferedImage.getWidth();
        short height = (short) bufferedImage.getHeight();
        // textureLoader.bpp =
        // bufferedImage.getColorModel().hasAlpha() ? (byte)32 :
        // (byte)24;
        int bpp = (byte) bufferedImage.getColorModel().getPixelSize();
        ByteBuffer byteBuffer;
        DataBuffer db = bufferedImage.getData().getDataBuffer();
        if (db instanceof DataBufferInt) {
            int intI[] = ((DataBufferInt) (bufferedImage.getData().getDataBuffer())).getData();
            byte newI[] = new byte[intI.length * 4];
            for (int i = 0; i < intI.length; i++) {
                byte b[] = intToByteArray(intI[i]);
                int newIndex = i * 4;

                newI[newIndex] = b[1];
                newI[newIndex + 1] = b[2];
                newI[newIndex + 2] = b[3];
                newI[newIndex + 3] = b[0];
            }

            byteBuffer = ByteBuffer.allocateDirect(width * height * (bpp / 8)).order(ByteOrder.nativeOrder())
                    .put(newI);
        } else {
            byteBuffer = ByteBuffer.allocateDirect(width * height * (bpp / 8)).order(ByteOrder.nativeOrder())
                    .put(((DataBufferByte) (bufferedImage.getData().getDataBuffer())).getData());
        }
        byteBuffer.flip();

        int internalFormat = GL11.GL_RGBA8, format = GL11.GL_RGBA;
        IntBuffer textureId = BufferUtils.createIntBuffer(1);
        ;
        GL11.glGenTextures(textureId);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId.get(0));

        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP);

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

        GL11.glTexEnvf(GL11.GL_TEXTURE_ENV, GL11.GL_TEXTURE_ENV_MODE, GL11.GL_MODULATE);

        GLU.gluBuild2DMipmaps(GL11.GL_TEXTURE_2D, internalFormat, width, height, format, GL11.GL_UNSIGNED_BYTE,
                byteBuffer);
        return textureId.get(0);

    } catch (Exception e) {
        e.printStackTrace();
        System.exit(-1);
    }

    return -1;
}

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From source file:tk.ivybits.engine.gl.GL.java

License:Open Source License

public static void glTexEnvf(int a, int b, float c) {
    GL11.glTexEnvf(a, b, c);
}

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