Java Code Examples for org.lwjgl.opengl.GL11#glNormalPointer()

The following examples show how to use org.lwjgl.opengl.GL11#glNormalPointer() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: FloatVBO.java From tribaltrouble with GNU General Public License v2.0

5 votes

public final void normalPointer(int stride, int index) {
	if (!use_vbo) {
		saved_buffer.position(index);
		GL11.glNormalPointer(stride, saved_buffer);
	} else {
		makeCurrent();
		GL11.glNormalPointer(GL11.GL_FLOAT, stride, index<<2);
	}
}

Example 2

Source File: FastBlockModelRenderer.java From Valkyrien-Skies with Apache License 2.0

4 votes

public static void renderVertexBuffer(VertexBuffer vertexBuffer) {
    // Check if optifine shaders are currently loaded.
    final boolean areOptifineShadersEnabled = GibsModelRegistry.isOptifineShadersEnabled();

    GlStateManager.pushMatrix();
    GlStateManager.resetColor();

    GlStateManager.glEnableClientState(GL11.GL_VERTEX_ARRAY);
    OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit);
    GlStateManager.glEnableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
    OpenGlHelper.setClientActiveTexture(OpenGlHelper.lightmapTexUnit);
    GlStateManager.glEnableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
    OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit);
    GlStateManager.glEnableClientState(GL11.GL_COLOR_ARRAY);

    // Extra OpenGL states that must be enabled when shaders are enabled.
    if (areOptifineShadersEnabled) {
        GL11.glEnableClientState(32885);
        GL20.glEnableVertexAttribArray(11);
        GL20.glEnableVertexAttribArray(12);
        GL20.glEnableVertexAttribArray(10);
    }

    GlStateManager.pushMatrix();
    vertexBuffer.bindBuffer();

    // Even more OpenGL states that must be enabled when shaders are enabled.
    if (areOptifineShadersEnabled) {
        int vertexSizeI = 14;
        GL11.glVertexPointer(3, 5126, 56, 0L);
        GL11.glColorPointer(4, 5121, 56, 12L);
        GL11.glTexCoordPointer(2, 5126, 56, 16L);
        OpenGlHelper.setClientActiveTexture(OpenGlHelper.lightmapTexUnit);
        GL11.glTexCoordPointer(2, 5122, 56, 24L);
        OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit);
        GL11.glNormalPointer(5120, 56, 28L);
        GL20.glVertexAttribPointer(11, 2, 5126, false, 56, 32L);
        GL20.glVertexAttribPointer(12, 4, 5122, false, 56, 40L);
        GL20.glVertexAttribPointer(10, 3, 5122, false, 56, 48L);
    } else {

        GlStateManager.glVertexPointer(3, 5126, 28, 0);
        GlStateManager.glColorPointer(4, 5121, 28, 12);
        GlStateManager.glTexCoordPointer(2, 5126, 28, 16);
        OpenGlHelper.setClientActiveTexture(OpenGlHelper.lightmapTexUnit);
        GlStateManager.glTexCoordPointer(2, 5122, 28, 24);
        OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit);
    }

    vertexBuffer.drawArrays(7);
    GlStateManager.popMatrix();
    vertexBuffer.unbindBuffer();
    GlStateManager.resetColor();

    for (VertexFormatElement vertexformatelement : DefaultVertexFormats.BLOCK.getElements()) {
        VertexFormatElement.EnumUsage vertexformatelement$enumusage = vertexformatelement
            .getUsage();
        int i = vertexformatelement.getIndex();

        switch (vertexformatelement$enumusage) {
            case POSITION:
                GlStateManager.glDisableClientState(32884);
                break;
            case UV:
                OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit + i);
                GlStateManager.glDisableClientState(32888);
                OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit);
                break;
            case COLOR:
                GlStateManager.glDisableClientState(32886);
                GlStateManager.resetColor();
        }
    }

    OpenGlHelper.glBindBuffer(OpenGlHelper.GL_ARRAY_BUFFER, 0);

    // Finally disable some of those extra OpenGL states that were be enabled due to shaders.
    if (areOptifineShadersEnabled) {
        GL11.glDisableClientState(32885);
        GL20.glDisableVertexAttribArray(11);
        GL20.glDisableVertexAttribArray(12);
        GL20.glDisableVertexAttribArray(10);
    }

    GlStateManager.resetColor();
    GlStateManager.popMatrix();
}