Java Code Examples for com.jogamp.opengl.GL4#glDepthFunc()

The following examples show how to use com.jogamp.opengl.GL4#glDepthFunc() . 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: Gl_400_fbo_shadow.java    From jogl-samples with MIT License 6 votes vote down vote up 
private void renderFramebuffer(GL4 gl4) {

        gl4.glEnable(GL_DEPTH_TEST);
        gl4.glDepthFunc(GL_LESS);

        gl4.glViewport(0, 0, windowSize.x, windowSize.y);

        gl4.glBindFramebuffer(GL_FRAMEBUFFER, 0);
        gl4.glClearBufferfv(GL_DEPTH, 0, clearDepth);
        gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 0).put(1, 0).put(2, 0).put(3, 1));

        gl4.glUseProgram(programName[Program.RENDER]);
        gl4.glUniform1i(uniformShadow, 0);
        gl4.glUniformBlockBinding(programName[Program.RENDER], uniformTransform[Program.RENDER],
                Semantic.Uniform.TRANSFORM0);

        gl4.glActiveTexture(GL_TEXTURE0);
        gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.SHADOWMAP));

        gl4.glBindVertexArray(vertexArrayName.get(Program.RENDER));
        gl4.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0);

        gl4.glDisable(GL_DEPTH_TEST);

        checkError(gl4, "renderFramebuffer");
    }
Example 2
Source File: Gl_430_fbo_srgb_decode.java    From jogl-samples with MIT License 4 votes vote down vote up 
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);

        projection.mul(viewMat4()).toDbb(pointer);

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    {
        gl4.glEnable(GL_DEPTH_TEST);
        gl4.glDepthFunc(GL_LESS);

        gl4.glViewport(0, 0, windowSize.x * framebufferScale, windowSize.y * framebufferScale);

        gl4.glBindFramebuffer(GL_FRAMEBUFFER, framebufferName.get(0));

        // Convert linear clear color to sRGB color space, FramebufferName is a sRGB FBO
        gl4.glEnable(GL_FRAMEBUFFER_SRGB);
        gl4.glClearBufferfv(GL_DEPTH, 0, clearDepth.put(0, 1.0f));
        gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1.0f).put(1, 0.5f).put(2, 0.0f).put(3, 1.0f));

        // TextureName[texture::DIFFUSE] is a sRGB texture which sRGB conversion on fetch has been disabled
        // Hence in the shader, the value is stored as sRGB so we should not convert it to sRGB.
        gl4.glDisable(GL_FRAMEBUFFER_SRGB);
        gl4.glUseProgram(programName[Program.TEXTURE]);

        gl4.glActiveTexture(GL_TEXTURE0);
        gl4.glBindTexture(GL_TEXTURE_2D_ARRAY, textureName.get(Texture.DIFFUSE_RGB));
        gl4.glBindVertexArray(vertexArrayName.get(Program.TEXTURE));
        gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

        gl4.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 2, 0);
    }

    {
        gl4.glDisable(GL_DEPTH_TEST);

        gl4.glViewport(0, 0, windowSize.x, windowSize.y);

        gl4.glBindFramebuffer(GL_FRAMEBUFFER, 0);

        gl4.glUseProgram(programName[Program.SPLASH]);

        gl4.glActiveTexture(GL_TEXTURE0);
        gl4.glBindVertexArray(vertexArrayName.get(Program.SPLASH));
        gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.COLORBUFFER));

        gl4.glDrawArraysInstanced(GL_TRIANGLES, 0, 3, 1);
    }

    return true;
}
Example 3
Source File: Gl_400_texture_derivative.java    From jogl-samples with MIT License 4 votes vote down vote up 
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    Vec2i framebufferSize = new Vec2i(windowSize.x / FRAMEBUFFER_SIZE, windowSize.y / FRAMEBUFFER_SIZE);

    // Update of the uniform buffer
    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, 4.0f / 3.0f, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

        pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glEnable(GL_DEPTH_TEST);
    gl4.glDepthFunc(GL_LESS);

    gl4.glViewport(0, 0, framebufferSize.x, framebufferSize.y);
    gl4.glBindFramebuffer(GL_FRAMEBUFFER, framebufferName.get(0));
    
    gl4.glClearBufferfv(GL_DEPTH, 0, clearDepth.put(0,1));
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 0).put(1, 0).put(2, 0).put(3, 1));

    gl4.glUseProgram(programName[Program.TEXTURE]);
    gl4.glUniform1i(uniformDiffuse[Program.TEXTURE], 0);
    gl4.glUniformBlockBinding(programName[Program.TEXTURE], uniformTransform,
            Semantic.Uniform.TRANSFORM0);

    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.DIFFUSE));
    gl4.glBindVertexArray(vertexArrayName.get(Program.TEXTURE));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl4.glEnable(GL_SCISSOR_TEST);
    {
        gl4.glScissor(0, 0, framebufferSize.x / 2, framebufferSize.y);
        gl4.glUniform1i(uniformUseGrad, 1);
        gl4.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 2, 0);

        gl4.glScissor(framebufferSize.x / 2, 0, framebufferSize.x / 2, framebufferSize.y);
        gl4.glUniform1i(uniformUseGrad, 0);
        gl4.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 2, 0);
    }
    gl4.glDisable(GL_SCISSOR_TEST);

    gl4.glDisable(GL_DEPTH_TEST);
    gl4.glViewport(0, 0, windowSize.x, windowSize.y);
    gl4.glBindFramebuffer(GL_FRAMEBUFFER, 0);
    gl4.glUseProgram(programName[Program.SPLASH]);
    gl4.glUniform1i(uniformDiffuse[Program.SPLASH], 0);
    gl4.glUniform1f(uniformFramebufferSize, FRAMEBUFFER_SIZE);

    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindVertexArray(vertexArrayName.get(Program.SPLASH));
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.COLORBUFFER));

    gl4.glDrawArraysInstanced(GL_TRIANGLES, 0, 3, 1);

    return true;
}
Example 4
Source File: Gl_400_fbo_shadow.java    From jogl-samples with MIT License 4 votes vote down vote up 
private void renderShadow(GL4 gl4) {

        gl4.glEnable(GL_DEPTH_TEST);
        gl4.glDepthFunc(GL_LESS);

        gl4.glViewport(0, 0, shadowSize.x, shadowSize.y);

        gl4.glBindFramebuffer(GL_FRAMEBUFFER, framebufferName.get(Framebuffer.SHADOW));
        gl4.glClearBufferfv(GL_DEPTH, 0, clearDepth.put(0, 1));

        // Bind rendering objects
        gl4.glUseProgram(programName[Program.DEPTH]);
        gl4.glUniformBlockBinding(programName[Program.DEPTH], uniformTransform[Program.DEPTH],
                Semantic.Uniform.TRANSFORM0);

        gl4.glBindVertexArray(vertexArrayName.get(Program.RENDER));
        gl4.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0);

        gl4.glDisable(GL_DEPTH_TEST);

        checkError(gl4, "renderShadow");
    }
Example 5
Source File: Gl_500_shader_group_nv.java    From jogl-samples with MIT License 4 votes vote down vote up 
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        ByteBuffer pointer = gl4.glMapNamedBufferRange(bufferName.get(Buffer.TRANSFORM),
                0, Mat4.SIZE, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

        pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapNamedBuffer(bufferName.get(Buffer.TRANSFORM));
    }

    gl4.glEnable(GL_DEPTH_TEST);
    gl4.glDepthFunc(GL_LESS);

    gl4.glClearTexImage(textureName.get(Texture.COLORBUFFER), 0, GL_RGBA, GL_UNSIGNED_BYTE, clearColorBuffer);
    gl4.glClearTexImage(textureName.get(Texture.RENDERBUFFER), 0, GL_DEPTH_COMPONENT, GL_FLOAT, clearRenderBuffer);
    gl4.glClearTexImage(textureName.get(Texture.INVOCATION_COUNT), 0, GL_RED_INTEGER, GL_UNSIGNED_INT,
            clearInvocationCount);

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x * FRAMEBUFFER_SCALE, windowSize.y * FRAMEBUFFER_SCALE);

    gl4.glBindFramebuffer(GL_FRAMEBUFFER, framebufferName.get(0));
    gl4.glBindProgramPipeline(pipelineName.get(Pipeline.TEXTURE));
    gl4.glBindVertexArray(vertexArrayName.get(Pipeline.TEXTURE));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glBindImageTexture(0, textureName.get(Texture.INVOCATION_COUNT), 0, false, 0, GL_WRITE_ONLY, GL_R32UI);

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 5, 0, 0);

    gl4.glDisable(GL_DEPTH_TEST);

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);

    gl4.glBindFramebuffer(GL_FRAMEBUFFER, 0);
    gl4.glBindProgramPipeline(pipelineName.get(Pipeline.SPLASH));
    gl4.glBindVertexArray(vertexArrayName.get(Pipeline.SPLASH));
    gl4.glBindImageTexture(0, textureName.get(Texture.INVOCATION_COUNT), 0, false, 0, GL_READ_ONLY, GL_R32UI);

    gl4.glDrawArraysInstancedBaseInstance(GL_TRIANGLES, 0, 3, 1, 0);

    return true;
}
Example 6
Source File: Gl_420_fbo.java    From jogl-samples with MIT License 4 votes vote down vote up 
@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        //glm::mat4 Projection = glm::perspectiveFov(glm::pi<float>() * 0.25f, 640.f, 480.f, 0.1f, 100.0f);
        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

        projection.mul(viewMat4()).mul(model).toDbb(pointer);

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glEnable(GL_DEPTH_TEST);
    gl4.glDepthFunc(GL_LESS);

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);

    gl4.glBindFramebuffer(GL_FRAMEBUFFER, framebufferName.get(0));
    gl4.glClearBufferfv(GL_DEPTH, 0, clearDepth.put(0, 1));
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, 0.5f).put(2, 0).put(3, 1));

    // Bind rendering objects
    gl4.glBindProgramPipeline(pipelineName.get(Pipeline.TEXTURE));
    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.DIFFUSE));
    gl4.glBindVertexArray(vertexArrayName.get(Pipeline.TEXTURE));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 2, 0, 0);

    gl4.glDisable(GL_DEPTH_TEST);

    gl4.glBindFramebuffer(GL_FRAMEBUFFER, 0);

    gl4.glBindProgramPipeline(pipelineName.get(Pipeline.SPLASH));
    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindVertexArray(vertexArrayName.get(Pipeline.SPLASH));
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.COLORBUFFER));

    gl4.glDrawArraysInstancedBaseInstance(GL_TRIANGLES, 0, 3, 1, 0);

    return true;
}