Example usage for org.lwjgl.opengl ARBImaging glColorTable

Introduction

In this page you can find the example usage for org.lwjgl.opengl ARBImaging glColorTable.

Prototype

public static void glColorTable(@NativeType("GLenum") int target, @NativeType("GLenum") int internalformat,
        @NativeType("GLsizei") int width, @NativeType("GLenum") int format, @NativeType("GLenum") int type,
        @NativeType("void const *") float[] table) 

Source Link

Document

Array version of: #glColorTable ColorTable

Usage

From source file:kuake2.render.lwjgl.Image.java

License:Open Source License

void GL_SetTexturePalette(int[] palette) {

    assert (palette != null && palette.length == 256) : "int palette[256] bug";

    int i;/*  w  w w . ja va  2s . c  o m*/
    //byte[] temptable = new byte[768];

    if (qglColorTableEXT && gl_ext_palettedtexture.value != 0.0f) {
        ByteBuffer temptable = BufferUtils.createByteBuffer(768);
        for (i = 0; i < 256; i++) {
            temptable.put(i * 3 + 0, (byte) ((palette[i] >> 0) & 0xff));
            temptable.put(i * 3 + 1, (byte) ((palette[i] >> 8) & 0xff));
            temptable.put(i * 3 + 2, (byte) ((palette[i] >> 16) & 0xff));
        }

        ARBImaging.glColorTable(EXTSharedTexturePalette.GL_SHARED_TEXTURE_PALETTE_EXT, GL11.GL_RGB, 256,
                GL11.GL_RGB, GL11.GL_UNSIGNED_BYTE, temptable);
    }
}

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