Example usage for org.lwjgl.opengl GL20 glUseProgram

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL20 glUseProgram.

Prototype

public static void glUseProgram(@NativeType("GLuint") int program) 

Source Link

Document

Installs a program object as part of current rendering state.

Usage

From source file:com.opengrave.og.base.Renderable2D.java

License:Open Source License

@Override
public void render(Matrix4f matrix, RenderStyle style) {
    Util.checkErr();//from  ww  w. j a  v  a2 s  . c  o m
    dealWithChange();
    Util.checkErr();
    if (vertexList.size() == 0) {
        return;
    }
    int pID = Resources.loadShader("gui.vs", "gui.fs").getProgram();
    GL20.glUseProgram(pID);
    GL30.glBindVertexArray(vaoID);
    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);
    Util.checkErr();
    if (texture != null) {
        texture.bind(GL13.GL_TEXTURE0);
    }
    Util.setMatrices(pID, location2d);
    Util.checkErr();

    GL11.glDrawArrays(GL11.GL_TRIANGLES, 0, vertexList.size());
    Util.checkErr();
    if (texture != null) {
        texture.unbind();
    }
    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);
    Util.checkErr();

    GL30.glBindVertexArray(0);
    GL20.glUseProgram(0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);
    Util.checkErr();
}

---

From source file:com.opengrave.og.base.Renderable3D.java

License:Open Source License

@Override
public void render(Matrix4f matrix, RenderStyle style) {
    dealWithChange();//from  w  w w.  j a  v a 2 s  .c  o m
    int pID = Resources.loadShader("model.vs", "model.fs").getProgram();
    GL20.glUseProgram(pID);
    int texture = GL20.glGetUniformLocation(pID, "texture");
    int shadow = GL20.glGetUniformLocation(pID, "shadowMap");
    GL20.glUniform1i(texture, 0);
    GL20.glUniform1i(shadow, 1);
    GL30.glBindVertexArray(vao_ID);
    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);
    GL20.glBindAttribLocation(pID, 0, "in_Position");
    GL20.glBindAttribLocation(pID, 1, "in_Normal");
    GL20.glBindAttribLocation(pID, 2, "in_TextureCoord");

    Util.checkErr();
    if (matList != null && matList.valid()) {
        matList.bind(pID, GL13.GL_TEXTURE0);
        Util.loadMaterials(matList, pID);

    }
    Util.checkErr();
    getContext().setMatrices(pID, matrix);
    getContext().bindShadowData(GL13.GL_TEXTURE2);
    getContext().bindLights(pID, GL13.GL_TEXTURE3);
    Util.setRenderStyle(pID, style);

    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vbo_index_ID);
    GL11.glDrawElements(GL11.GL_TRIANGLES, indexCount, GL11.GL_UNSIGNED_INT, 0);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    getContext().unbindLights();
    getContext().unbindShadowData();

    if (matList != null && matList.valid()) {
        matList.unbind();
    }
    Util.checkErr();

    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);
    Util.checkErr();

    GL20.glUseProgram(0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);
}

---

From source file:com.opengrave.og.base.Renderable3D.java

License:Open Source License

@Override
public void renderShadows(Matrix4f matrix, Shadow shadow) {
    dealWithChange();/*from   w w  w  .  ja  va2 s. c om*/

    int pID = Resources.loadShader("model.vs", "castshadow.fs").getProgram();
    GL20.glUseProgram(pID);
    GL30.glBindVertexArray(vao_ID);
    GL20.glEnableVertexAttribArray(0);
    GL20.glBindAttribLocation(pID, 0, "in_Position");

    Util.checkErr();
    getContext().setShadowMatrices(pID, matrix, shadow);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vbo_index_ID);
    GL11.glDrawElements(GL11.GL_TRIANGLES, indexCount, GL11.GL_UNSIGNED_INT, 0);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    Util.checkErr();

    GL20.glDisableVertexAttribArray(0);
    Util.checkErr();

    GL20.glUseProgram(0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);
}

---

From source file:com.opengrave.og.base.Renderable3D.java

License:Open Source License

@Override
public void renderForPicking(Matrix4f matrix, Pickable object) {
    dealWithChange();/*from   w  ww  .ja va  2 s .c  o m*/
    int pID = Resources.loadShader("model.vs", "pickingmodel.fs").getProgram();
    GL20.glUseProgram(pID);
    GL30.glBindVertexArray(vao_ID);
    GL20.glEnableVertexAttribArray(0);
    GL20.glBindAttribLocation(pID, 0, "in_Position");

    Util.checkErr();
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vbo_index_ID);
    getContext().setMatrices(pID, matrix);
    Picking.registerObject(pID, getContext(), object);
    GL11.glDrawElements(GL11.GL_TRIANGLES, indexCount, GL11.GL_UNSIGNED_INT, 0);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    Util.checkErr();

    GL20.glDisableVertexAttribArray(0);
    Util.checkErr();

    GL20.glUseProgram(0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);
}

---

From source file:com.opengrave.og.base.RenderableBoneAnimated.java

License:Open Source License

@Override
public void render(Matrix4f matrix, RenderStyle style) {
    // if (!visible) {
    // return;//from   w w w.ja va2 s. c  o  m
    // }
    GL11.glDisable(GL11.GL_CULL_FACE); // TODO Enable Face Culling, and be
    // absolutely sure that all tris are
    // facing the correct way
    dealWithChange();

    int pID = Resources.loadShader("animmodel.vs", "animmodel.fs").getProgram();
    GL20.glUseProgram(pID);
    int texture = GL20.glGetUniformLocation(pID, "texture");
    int shadow = GL20.glGetUniformLocation(pID, "shadowMap");
    GL20.glUniform1i(texture, 0);
    GL20.glUniform1i(shadow, 1);
    GL30.glBindVertexArray(vao_ID);
    GL20.glBindAttribLocation(pID, 0, "in_Position");
    GL20.glBindAttribLocation(pID, 1, "in_Normal");
    GL20.glBindAttribLocation(pID, 2, "in_TextureCoord");
    GL20.glBindAttribLocation(pID, 3, "in_BoneID");
    GL20.glBindAttribLocation(pID, 4, "in_BoneWeight");

    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);
    GL20.glEnableVertexAttribArray(3);
    GL20.glEnableVertexAttribArray(4);
    if (matList != null && matList.valid()) {
        matList.bind(pID, GL13.GL_TEXTURE0);
        Util.loadMaterials(matList, pID);

    }
    setBonesUniform(pID);

    getContext().setMatrices(pID, matrix);
    getContext().bindShadowData(GL13.GL_TEXTURE2);
    getContext().bindLights(pID, GL13.GL_TEXTURE3);
    Util.setRenderStyle(pID, style);
    // GL11.glDrawArrays(GL11.GL_TRIANGLES, 0, vertCount);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vbo_index_ID);
    GL11.glDrawElements(GL11.GL_TRIANGLES, indexCount, GL11.GL_UNSIGNED_INT, 0);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    getContext().unbindLights();
    getContext().unbindShadowData();
    if (matList != null && matList.valid()) {
        matList.unbind();
    }
    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);
    GL20.glDisableVertexAttribArray(3);
    GL20.glDisableVertexAttribArray(4);

    GL20.glUseProgram(0);
    GL30.glBindVertexArray(0);

    GL11.glEnable(GL11.GL_CULL_FACE);
}

---

From source file:com.opengrave.og.base.RenderableBoneAnimated.java

License:Open Source License

@Override
public void renderShadows(Matrix4f matrix, Shadow shadow) {
    // if (!visible) {
    // return;//from w  w  w  .j ava 2 s  .c  o m
    // }
    dealWithChange();

    int pID = Resources.loadShader("animmodel.vs", "animmodel.fs").getProgram();
    GL20.glUseProgram(pID);
    GL30.glBindVertexArray(vao_ID);
    GL20.glBindAttribLocation(pID, 0, "in_Position");
    GL20.glBindAttribLocation(pID, 3, "in_BoneID");
    GL20.glBindAttribLocation(pID, 4, "in_BoneWeight");

    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(3);
    GL20.glEnableVertexAttribArray(4);
    setBonesUniform(pID);
    getContext().setShadowMatrices(pID, matrix, shadow);
    // GL11.glDrawArrays(GL11.GL_TRIANGLES, 0, vertCount);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vbo_index_ID);
    GL11.glDrawElements(GL11.GL_TRIANGLES, indexCount, GL11.GL_UNSIGNED_INT, 0);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);

    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(3);
    GL20.glDisableVertexAttribArray(4);

    GL20.glUseProgram(0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);

}

---

From source file:com.opengrave.og.base.RenderableBoneAnimated.java

License:Open Source License

@Override
public void renderForPicking(Matrix4f matrix, Pickable object) {
    dealWithChange();/*  w  w w . jav  a 2s .  c o  m*/

    int pID = Resources.loadShader("animmodel.vs", "pickingmodel.fs").getProgram();
    GL20.glUseProgram(pID);
    GL30.glBindVertexArray(vao_ID);
    GL20.glBindAttribLocation(pID, 0, "in_Position");
    GL20.glBindAttribLocation(pID, 3, "in_BoneID");
    GL20.glBindAttribLocation(pID, 4, "in_BoneWeight");

    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(3);
    GL20.glEnableVertexAttribArray(4);
    setBonesUniform(pID);
    // Util.setShadowMatrices(pID, shadow, location, scale, rotation,
    // matrix);
    Picking.registerObject(pID, getContext(), object);
    getContext().setMatrices(pID, matrix);
    // GL11.glDrawArrays(GL11.GL_TRIANGLES, 0, vertCount);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vbo_index_ID);
    GL11.glDrawElements(GL11.GL_TRIANGLES, indexCount, GL11.GL_UNSIGNED_INT, 0);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);

    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(3);
    GL20.glDisableVertexAttribArray(4);

    GL20.glUseProgram(0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);

}

---

From source file:com.opengrave.og.base.RenderableBoneAnimatedStatic.java

License:Open Source License

@Override
public void setBonesUniform(int pID) {
    if (skeleton == null) {
        return;//from  w  w  w .  j  a v a2s .c om
    }
    FloatBuffer matrix44 = BufferUtils.createFloatBuffer(128 * 16);
    GL20.glUseProgram(pID);
    int boneNo = 0;
    for (Matrix4f m : skinningMatrixList) {
        m.store(matrix44);
        boneNo++;
    }
    // DAESceneNode bone = null;
    // while ((bone = skeleton.getBone(boneNo)) != null) {
    // bone.skinningMatrix.store(matrix44);
    // System.out.println(boneNo);
    // boneNo++;
    // }
    Matrix4f ident = new Matrix4f();
    while (boneNo < 128) {

        ident.store(matrix44);
        boneNo++;
    }

    matrix44.flip();
    Util.setUniformMat44(pID, "u_BoneTransform", matrix44);
}

---

From source file:com.opengrave.og.base.RenderableLines.java

License:Open Source License

@Override
public void render(Matrix4f matrix, RenderStyle style) {
    dealWithChange();/*from  ww w .  j a  va2 s  . c o m*/
    if (!visible) {
        return;
    }
    if (vertCount == 0) {
        return;
    }
    GL11.glPointSize(3f);

    int pID = Resources.loadShader("lines.vs", "lines.fs").getProgram();
    GL20.glUseProgram(pID);
    if (pID == 0) {
        return;
    }
    GL30.glBindVertexArray(vaoID);
    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);

    Util.checkErr();

    getContext().setMatrices(pID, matrix);
    Util.checkErr();
    GL11.glDisable(GL11.GL_DEPTH_TEST);
    GL11.glDrawArrays(GL11.GL_LINES, 0, vertCount);
    GL11.glEnable(GL11.GL_DEPTH_TEST);
    Util.checkErr();
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(0);
    Util.checkErr();

    GL30.glBindVertexArray(0);
    GL20.glUseProgram(0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);
    Util.checkErr();

}

---

From source file:com.opengrave.og.base.RenderableLiquid.java

License:Open Source License

@Override
public void render(Matrix4f matrix, RenderStyle style) {
    dealWithChange();//  www  . ja v  a 2  s.com
    if (vertexList.size() == 0) {
        return;
    }
    int pID = Resources.loadShader("liquid.vs", "liquid.fs").getProgram();
    GL20.glUseProgram(pID);
    int atlas = GL20.glGetUniformLocation(pID, "arraytexture");
    int normals = GL20.glGetUniformLocation(pID, "arraytexturedata");
    int colours = GL20.glGetUniformLocation(pID, "colours");
    int flows = GL20.glGetUniformLocation(pID, "flows");
    int shadow = GL20.glGetUniformLocation(pID, "shadowMap");

    GL20.glUniform1i(atlas, 0);
    GL20.glUniform1i(normals, 1);
    GL20.glUniform1i(colours, 2);
    GL20.glUniform1i(flows, 3);
    GL20.glUniform1i(shadow, 4);
    GL30.glBindVertexArray(vaoID);

    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);

    getContext().setMatrices(pID, matrix);
    textureAtlas.bind(GL13.GL_TEXTURE0);
    normalAtlas.bind(GL13.GL_TEXTURE1);
    getColourTexture().bind(GL13.GL_TEXTURE2);
    getFlowTexture().bind(GL13.GL_TEXTURE3);

    getContext().bindShadowData(GL13.GL_TEXTURE4);
    getContext().bindLights(pID, GL13.GL_TEXTURE5);
    Util.setRenderStyle(pID, style);
    GL11.glDepthMask(false);
    GL11.glDrawArrays(GL11.GL_TRIANGLES, 0, vertexList.size());
    GL11.glDepthMask(true);
    getContext().unbindLights();
    getContext().unbindShadowData();

    textureAtlas.unbind();
    getFlowTexture().unbind();
    getColourTexture().unbind();
    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);

    GL30.glBindVertexArray(0);

    GL20.glUseProgram(0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);
}

---

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