Example usage for org.lwjgl.opengl ARBHalfFloatPixel GL_HALF_FLOAT

Introduction

In this page you can find the example usage for org.lwjgl.opengl ARBHalfFloatPixel GL_HALF_FLOAT_ARB.

Prototype

int GL_HALF_FLOAT_ARB

To view the source code for org.lwjgl.opengl ARBHalfFloatPixel GL_HALF_FLOAT_ARB.

Click Source Link

Document

Accepted by the type parameter of DrawPixels, ReadPixels, TexImage1D, TexImage2D, TexImage3D, GetTexImage, TexSubImage1D, TexSubImage2D, TexSubImage3D, GetHistogram, GetMinmax, ConvolutionFilter1D, ConvolutionFilter2D, GetConvolutionFilter, SeparableFilter2D, GetSeparableFilter, ColorTable, ColorSubTable, and GetColorTable.

Usage

From source file:com.ardor3d.scene.state.lwjgl.util.LwjglTextureUtil.java

License:Open Source License

public static int getGLPixelDataType(final PixelDataType type) {
    switch (type) {
    case Byte:
        return GL11.GL_BYTE;
    case Float:
        return GL11.GL_FLOAT;
    case HalfFloat:
        return ARBHalfFloatPixel.GL_HALF_FLOAT_ARB;
    case Short:
        return GL11.GL_SHORT;
    case UnsignedShort:
        return GL11.GL_UNSIGNED_SHORT;
    case Int:/* w ww.ja  v a 2 s . c  o  m*/
        return GL11.GL_INT;
    case UnsignedInt:
        return GL11.GL_UNSIGNED_INT;
    case UnsignedByte:
        return GL11.GL_UNSIGNED_BYTE;
    case UnsignedByte_3_3_2:
        return GL12.GL_UNSIGNED_BYTE_3_3_2;
    case UnsignedByte_2_3_3_Rev:
        return GL12.GL_UNSIGNED_BYTE_2_3_3_REV;
    case UnsignedShort_5_6_5:
        return GL12.GL_UNSIGNED_SHORT_5_6_5;
    case UnsignedShort_5_6_5_Rev:
        return GL12.GL_UNSIGNED_SHORT_5_6_5_REV;
    case UnsignedShort_4_4_4_4:
        return GL12.GL_UNSIGNED_SHORT_4_4_4_4;
    case UnsignedShort_4_4_4_4_Rev:
        return GL12.GL_UNSIGNED_SHORT_4_4_4_4_REV;
    case UnsignedShort_5_5_5_1:
        return GL12.GL_UNSIGNED_SHORT_5_5_5_1;
    case UnsignedShort_1_5_5_5_Rev:
        return GL12.GL_UNSIGNED_SHORT_1_5_5_5_REV;
    case UnsignedInt_8_8_8_8:
        return GL12.GL_UNSIGNED_INT_8_8_8_8;
    case UnsignedInt_8_8_8_8_Rev:
        return GL12.GL_UNSIGNED_INT_8_8_8_8_REV;
    case UnsignedInt_10_10_10_2:
        return GL12.GL_UNSIGNED_INT_10_10_10_2;
    case UnsignedInt_2_10_10_10_Rev:
        return GL12.GL_UNSIGNED_INT_2_10_10_10_REV;
    default:
        throw new Error("Unhandled type: " + type);
    }
}

From source file:org.terasology.logic.manager.DefaultRenderingProcess.java

License:Apache License

public FBO createFBO(String title, int width, int height, FBOType type, boolean depth, boolean normals) {
    // Make sure to delete the existing FBO before creating a new one
    deleteFBO(title);/*from w  w w  . j a v a2s  .  com*/

    // Create a new FBO object
    FBO fbo = new FBO();
    fbo.width = width;
    fbo.height = height;

    // Create the color target texture
    fbo.textureId = GL11.glGenTextures();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.textureId);

    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

    if (type != FBOType.NO_COLOR) {
        if (type == FBOType.HDR) {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, ARBTextureFloat.GL_RGBA16F_ARB, width, height, 0,
                    GL11.GL_RGBA, ARBHalfFloatPixel.GL_HALF_FLOAT_ARB, (java.nio.ByteBuffer) null);
        } else {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                    GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
        }
    }

    if (depth) {
        // Generate the depth texture
        fbo.depthTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.depthTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL14.GL_DEPTH_COMPONENT24, width, height, 0,
                GL11.GL_DEPTH_COMPONENT, GL11.GL_FLOAT, (java.nio.ByteBuffer) null);

        // Create depth render buffer object
        fbo.depthRboId = EXTFramebufferObject.glGenRenderbuffersEXT();
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, fbo.depthRboId);
        EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                GL14.GL_DEPTH_COMPONENT24, width, height);
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, 0);
    }

    if (normals) {
        // Generate the normals texture
        fbo.normalsTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.normalsTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
    }

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

    // Create the FBO
    fbo.fboId = EXTFramebufferObject.glGenFramebuffersEXT();
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, fbo.fboId);

    if (type != FBOType.NO_COLOR) {
        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, fbo.textureId, 0);
    }

    if (depth) {
        // Generate the depth render buffer and depth map texture
        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                fbo.depthRboId);
        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D, fbo.depthTextureId, 0);
    }

    if (normals) {
        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT, GL11.GL_TEXTURE_2D, fbo.normalsTextureId, 0);
    }

    IntBuffer bufferIds = BufferUtils.createIntBuffer(3);
    if (type != FBOType.NO_COLOR) {
        bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT);
    }
    if (normals) {
        bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT);
    }
    bufferIds.flip();
    GL20.glDrawBuffers(bufferIds);

    int checkFB = EXTFramebufferObject.glCheckFramebufferStatusEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT);
    switch (checkFB) {
    case EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT:
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT:
        logger.error("FrameBuffer: " + title
                + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT exception");

        /*
         * On some graphics cards, FBOType.NO_COLOR can cause a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT.
         * Attempt to continue without this FBO.
         */
        if (type == FBOType.NO_COLOR) {
            logger.error("FrameBuffer: " + title
                    + ", ...but the FBOType was NO_COLOR, ignoring this error and continuing without this FBO.");

            taint("Got a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT because of FBOType.NO_COLOR.");
            return null;
        }
    default:
        throw new RuntimeException("Unexpected reply from glCheckFramebufferStatusEXT: " + checkFB);
    }

    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);

    _FBOs.put(title, fbo);
    return fbo;
}

From source file:org.terasology.logic.manager.PostProcessingRenderer.java

License:Apache License

public FBO createFBO(String title, int width, int height, boolean hdr, boolean depth, boolean normals) {
    // Make sure to delete the existing FBO before creating a new one
    deleteFBO(title);/*from  ww w  . jav  a  2  s  .  com*/

    // Create a new FBO object
    FBO fbo = new FBO();
    fbo._width = width;
    fbo._height = height;

    // Create the color target texture
    fbo._textureId = GL11.glGenTextures();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo._textureId);

    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

    if (hdr) {
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, ARBTextureFloat.GL_RGBA16F_ARB, width, height, 0, GL11.GL_RGBA,
                ARBHalfFloatPixel.GL_HALF_FLOAT_ARB, (java.nio.ByteBuffer) null);
    } else {
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
    }

    if (depth) {
        // Generate the depth texture
        fbo._depthTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo._depthTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL14.GL_DEPTH_COMPONENT24, width, height, 0,
                GL11.GL_DEPTH_COMPONENT, ARBHalfFloatPixel.GL_HALF_FLOAT_ARB, (java.nio.ByteBuffer) null);

        // Create depth render buffer object
        fbo._depthRboId = EXTFramebufferObject.glGenRenderbuffersEXT();
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, fbo._depthRboId);
        EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                GL14.GL_DEPTH_COMPONENT16, width, height);
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, 0);
    }

    if (normals) {
        // Generate the normals texture
        fbo._normalsTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo._normalsTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
    }

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

    // Create the FBO
    fbo._fboId = EXTFramebufferObject.glGenFramebuffersEXT();
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, fbo._fboId);

    EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
            EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, fbo._textureId, 0);

    if (depth) {
        // Generate the depth render buffer and depth map texture
        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                fbo._depthRboId);
        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D, fbo._depthTextureId, 0);
    }

    if (normals) {
        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT, GL11.GL_TEXTURE_2D, fbo._normalsTextureId, 0);
    }

    IntBuffer bufferIds = BufferUtils.createIntBuffer(3);
    bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT);
    if (normals) {
        bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT);
    }
    bufferIds.flip();
    GL20.glDrawBuffers(bufferIds);

    int framebuffer = EXTFramebufferObject.glCheckFramebufferStatusEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT);
    switch (framebuffer) {
    case EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT:
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT:
        logger.error("FrameBuffer: " + title
                + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT exception");
    default:
        throw new RuntimeException("Unexpected reply from glCheckFramebufferStatusEXT: " + framebuffer);
    }

    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);

    _FBOs.put(title, fbo);
    return fbo;
}

From source file:org.terasology.rendering.opengl.DefaultRenderingProcess.java

License:Apache License

public FBO createFBO(String title, int width, int height, FBOType type, boolean depthBuffer,
        boolean normalBuffer, boolean lightBuffer, boolean stencilBuffer) {
    // Make sure to delete the existing FBO before creating a new one
    deleteFBO(title);//from w w w .j  a  v  a  2 s  . c o m

    // Create a new FBO object
    FBO fbo = new FBO();
    fbo.width = width;
    fbo.height = height;

    // Create the FBO
    fbo.fboId = glGenFramebuffersEXT();
    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo.fboId);

    if (type != FBOType.NO_COLOR) {
        fbo.textureId = glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.textureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        if (type == FBOType.HDR) {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                    ARBHalfFloatPixel.GL_HALF_FLOAT_ARB, (ByteBuffer) null);
        } else {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                    GL11.GL_UNSIGNED_BYTE, (ByteBuffer) null);
        }

        glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D,
                fbo.textureId, 0);
    }

    if (normalBuffer) {
        fbo.normalsTextureId = glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.normalsTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);

        glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL11.GL_TEXTURE_2D,
                fbo.normalsTextureId, 0);
    }

    if (lightBuffer) {
        fbo.lightBufferTextureId = glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.lightBufferTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        if (type == FBOType.HDR) {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, ARBTextureFloat.GL_RGBA16F_ARB, width, height, 0,
                    GL11.GL_RGBA, ARBHalfFloatPixel.GL_HALF_FLOAT_ARB, (ByteBuffer) null);
        } else {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                    GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
        }

        glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT2_EXT, GL11.GL_TEXTURE_2D,
                fbo.lightBufferTextureId, 0);
    }

    if (depthBuffer) {
        fbo.depthStencilTextureId = glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.depthStencilTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        if (!stencilBuffer) {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL14.GL_DEPTH_COMPONENT24, width, height, 0,
                    GL11.GL_DEPTH_COMPONENT, GL11.GL_UNSIGNED_INT, (ByteBuffer) null);
        } else {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, EXTPackedDepthStencil.GL_DEPTH24_STENCIL8_EXT, width,
                    height, 0, EXTPackedDepthStencil.GL_DEPTH_STENCIL_EXT,
                    EXTPackedDepthStencil.GL_UNSIGNED_INT_24_8_EXT, (ByteBuffer) null);
        }

        fbo.depthStencilRboId = glGenRenderbuffersEXT();
        glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, fbo.depthStencilRboId);

        if (!stencilBuffer) {
            glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL14.GL_DEPTH_COMPONENT24, width, height);
        } else {
            glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, EXTPackedDepthStencil.GL_DEPTH24_STENCIL8_EXT, width,
                    height);
        }

        glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);

        glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT,
                fbo.depthStencilRboId);
        glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D,
                fbo.depthStencilTextureId, 0);

        if (stencilBuffer) {
            glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D,
                    fbo.depthStencilTextureId, 0);
        }
    }

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

    IntBuffer bufferIds = BufferUtils.createIntBuffer(3);
    if (type != FBOType.NO_COLOR) {
        bufferIds.put(GL_COLOR_ATTACHMENT0_EXT);
    }
    if (normalBuffer) {
        bufferIds.put(GL_COLOR_ATTACHMENT1_EXT);
    }
    if (lightBuffer) {
        bufferIds.put(GL_COLOR_ATTACHMENT2_EXT);
    }
    bufferIds.flip();

    if (bufferIds.limit() == 0) {
        GL11.glReadBuffer(GL11.GL_NONE);
        GL20.glDrawBuffers(GL11.GL_NONE);
    } else {
        GL20.glDrawBuffers(bufferIds);
    }

    int checkFB = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
    switch (checkFB) {
    case GL_FRAMEBUFFER_COMPLETE_EXT:
        break;
    case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT exception");
        break;
    case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT:
        logger.error("FrameBuffer: " + title
                + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT exception");
        break;
    case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT exception");
        break;
    case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT exception");
        break;
    case GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT exception");
        break;
    case GL_FRAMEBUFFER_UNSUPPORTED_EXT:
        logger.error("FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_UNSUPPORTED_EXT exception");
        break;
    case GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT exception");

        /*
         * On some graphics cards, FBOType.NO_COLOR can cause a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT.
         * Attempt to continue without this FBO.
         */
        if (type == FBOType.NO_COLOR) {
            logger.error("FrameBuffer: " + title
                    + ", ...but the FBOType was NO_COLOR, ignoring this error and continuing without this FBO.");

            return null;
        }

        break;
    default:
        logger.error("Unexpected reply from glCheckFramebufferStatusEXT: " + checkFB);
        break;
    }

    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);

    fboLookup.put(title, fbo);
    return fbo;
}

From source file:org.terasology.rendering.opengl.FBO.java

License:Apache License

private static void createColorBuffer(FBO fbo, Dimensions dimensions, Type type) {
    fbo.colorBufferTextureId = glGenTextures();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.colorBufferTextureId);

    setTextureParameters(GL11.GL_LINEAR);

    if (type == Type.HDR) {
        allocateTexture(dimensions, GL11.GL_RGBA, GL11.GL_RGBA, ARBHalfFloatPixel.GL_HALF_FLOAT_ARB);
    } else {/*ww w  .  ja va2 s .co  m*/
        allocateTexture(dimensions, GL11.GL_RGBA, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE);
    }

    glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D,
            fbo.colorBufferTextureId, 0);
}

From source file:org.terasology.rendering.opengl.FBO.java

License:Apache License

private static void createLightBuffer(FBO fbo, Dimensions dimensions, Type type) {
    fbo.lightBufferTextureId = glGenTextures();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.lightBufferTextureId);

    setTextureParameters(GL11.GL_LINEAR);

    if (type == Type.HDR) {
        allocateTexture(dimensions, ARBTextureFloat.GL_RGBA16F_ARB, GL11.GL_RGBA,
                ARBHalfFloatPixel.GL_HALF_FLOAT_ARB);
    } else {//  w  w  w .jav a 2  s.  c  o  m
        allocateTexture(dimensions, GL11.GL_RGBA, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE);
    }

    glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT2_EXT, GL11.GL_TEXTURE_2D,
            fbo.lightBufferTextureId, 0);
}

From source file:org.terasology.rendering.renderingProcesses.DefaultRenderingProcess.java

License:Apache License

public FBO createFBO(String title, int width, int height, FBOType type, boolean depthBuffer,
        boolean normalBuffer, boolean lightBuffer, boolean stencilBuffer) {
    // Make sure to delete the existing FBO before creating a new one
    deleteFBO(title);//from  w w  w  .  j  a v a 2s.  com

    // Create a new FBO object
    FBO fbo = new FBO();
    fbo.width = width;
    fbo.height = height;

    // Create the FBO
    fbo.fboId = EXTFramebufferObject.glGenFramebuffersEXT();
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, fbo.fboId);

    if (type != FBOType.NO_COLOR) {
        fbo.textureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.textureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        if (type == FBOType.HDR) {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, ARBTextureFloat.GL_RGBA16F_ARB, width, height, 0,
                    GL11.GL_RGBA, ARBHalfFloatPixel.GL_HALF_FLOAT_ARB, (java.nio.ByteBuffer) null);
        } else {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                    GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
        }

        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, fbo.textureId, 0);
    }

    if (normalBuffer) {
        fbo.normalsTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.normalsTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);

        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT, GL11.GL_TEXTURE_2D, fbo.normalsTextureId, 0);
    }

    if (lightBuffer) {
        fbo.lightBufferTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.lightBufferTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        if (type == FBOType.HDR) {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, ARBTextureFloat.GL_RGBA16F_ARB, width, height, 0,
                    GL11.GL_RGBA, ARBHalfFloatPixel.GL_HALF_FLOAT_ARB, (java.nio.ByteBuffer) null);
        } else {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                    GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
        }

        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT2_EXT, GL11.GL_TEXTURE_2D, fbo.lightBufferTextureId, 0);
    }

    if (depthBuffer) {
        fbo.depthStencilTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.depthStencilTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        if (!stencilBuffer) {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL14.GL_DEPTH_COMPONENT24, width, height, 0,
                    GL11.GL_DEPTH_COMPONENT, GL11.GL_UNSIGNED_INT, (java.nio.ByteBuffer) null);
        } else {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, EXTPackedDepthStencil.GL_DEPTH24_STENCIL8_EXT, width,
                    height, 0, EXTPackedDepthStencil.GL_DEPTH_STENCIL_EXT,
                    EXTPackedDepthStencil.GL_UNSIGNED_INT_24_8_EXT, (java.nio.ByteBuffer) null);
        }

        fbo.depthStencilRboId = EXTFramebufferObject.glGenRenderbuffersEXT();
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                fbo.depthStencilRboId);

        if (!stencilBuffer) {
            EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                    GL14.GL_DEPTH_COMPONENT24, width, height);
        } else {
            EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                    EXTPackedDepthStencil.GL_DEPTH24_STENCIL8_EXT, width, height);
        }

        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, 0);

        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                fbo.depthStencilRboId);
        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D, fbo.depthStencilTextureId, 0);

        if (stencilBuffer) {
            EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                    EXTFramebufferObject.GL_STENCIL_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D,
                    fbo.depthStencilTextureId, 0);
        }
    }

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

    IntBuffer bufferIds = BufferUtils.createIntBuffer(3);
    if (type != FBOType.NO_COLOR) {
        bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT);
    }
    if (normalBuffer) {
        bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT);
    }
    if (lightBuffer) {
        bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT2_EXT);
    }
    bufferIds.flip();

    if (bufferIds.limit() == 0) {
        GL11.glReadBuffer(GL11.GL_NONE);
        GL20.glDrawBuffers(GL11.GL_NONE);
    } else {
        GL20.glDrawBuffers(bufferIds);
    }

    int checkFB = EXTFramebufferObject.glCheckFramebufferStatusEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT);
    switch (checkFB) {
    case EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT:
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT exception");
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT:
        logger.error("FrameBuffer: " + title
                + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT exception");
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT exception");
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT exception");
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT exception");
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_UNSUPPORTED_EXT:
        logger.error("FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_UNSUPPORTED_EXT exception");
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT exception");

        /*
         * On some graphics cards, FBOType.NO_COLOR can cause a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT.
         * Attempt to continue without this FBO.
         */
        if (type == FBOType.NO_COLOR) {
            logger.error("FrameBuffer: " + title
                    + ", ...but the FBOType was NO_COLOR, ignoring this error and continuing without this FBO.");

            return null;
        }

        break;
    default:
        logger.error("Unexpected reply from glCheckFramebufferStatusEXT: " + checkFB);
        break;
    }

    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);

    FBOs.put(title, fbo);
    return fbo;
}

Example usage for org.lwjgl.opengl ARBHalfFloatPixel GL_HALF_FLOAT_ARB

Introduction

Prototype

Document

Usage