Examples of GL2

javax.media.opengl.GL2

Examples of javax.media.opengl.GL2

                System.err.println("JAVA 3D : further glCallList error messages discarded");
            }
            return;
        }


    GL2 gl = context(ctx).getGL().getGL2();
        // Set normalization if non-uniform scale
        if (isNonUniformScale) {
            gl.glEnable(GL2.GL_NORMALIZE);
        }


        gl.glCallList(id);


        // Turn normalization back off
        if (isNonUniformScale) {
            gl.glDisable(GL2.GL_NORMALIZE);
        }
    }

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Examples of javax.media.opengl.GL2

        if (VERBOSE) System.err.println("JoglPipeline.freeDisplayList()");
        if (id <= 0) {
            System.err.println("JAVA 3D ERROR : glDeleteLists(" + id + ",1) -- IGNORED");
        }


    GL2 gl = context(ctx).getGL().getGL2();
        gl.glDeleteLists(id, 1);
    }

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Examples of javax.media.opengl.GL2

            int format, int objectId,
            byte[] imageYdown,
            int winWidth, int winHeight) {
        if (VERBOSE) System.err.println("JoglPipeline.texturemapping()");


    GL2 gl = context(ctx).getGL().getGL2();


        int glType = GL.GL_RGBA;


        // Temporarily disable fragment and most 3D operations
        gl.glPushAttrib(GL2.GL_ENABLE_BIT | GL2.GL_TEXTURE_BIT | GL.GL_DEPTH_BUFFER_BIT | GL2.GL_POLYGON_BIT);
        disableAttribFor2D(gl);


        // Reset the polygon mode
        gl.glPolygonMode(GL.GL_FRONT_AND_BACK, GL2.GL_FILL);


        gl.glDepthMask(false);
        gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
        gl.glBindTexture(GL.GL_TEXTURE_2D, objectId);
        // set up texture parameter
        gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST);
        gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST);
        gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_REPEAT);
        gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_REPEAT);


        gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE);
        gl.glEnable(GL.GL_BLEND);
        gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);


        gl.glEnable(GL.GL_TEXTURE_2D);


        // loaded identity modelview and projection matrix
        gl.glMatrixMode(GL2.GL_PROJECTION);
        gl.glLoadIdentity();


        gl.glOrtho(0.0, winWidth, 0.0, winHeight, 0.0, 0.0);


        gl.glMatrixMode(GL2.GL_MODELVIEW);
        gl.glLoadIdentity();


        if (gl.isExtensionAvailable("GL_EXT_abgr")) {
            glType = GL2.GL_ABGR_EXT;
        } else {
            switch (format) {
                case ImageComponentRetained.TYPE_BYTE_RGBA:
                    glType = GL.GL_RGBA;
                    break;
                case ImageComponentRetained.TYPE_BYTE_RGB:
                    glType = GL.GL_RGB;
                    break;
            }
        }
        gl.glPixelStorei(GL2.GL_UNPACK_ROW_LENGTH, rasWidth);
        gl.glPixelStorei(GL2.GL_UNPACK_SKIP_PIXELS, minX);
        gl.glPixelStorei(GL2.GL_UNPACK_SKIP_ROWS, minY);
        gl.glTexSubImage2D(GL.GL_TEXTURE_2D, 0, minX, minY,
                maxX - minX, maxY - minY,
                glType, GL.GL_UNSIGNED_BYTE,
                ByteBuffer.wrap(imageYdown));
        gl.glPixelStorei(GL2.GL_UNPACK_ROW_LENGTH, 0);
        gl.glPixelStorei(GL2.GL_UNPACK_SKIP_PIXELS, 0);
        gl.glPixelStorei(GL2.GL_UNPACK_SKIP_ROWS, 0);


        float texMinU = (float) minX/ (float) texWidth;
        float texMinV = (float) minY/ (float) texHeight;
        float texMaxU = (float) maxX/ (float) texWidth;
        float texMaxV = (float) maxY/ (float) texHeight;
        float halfWidth = (float)winWidth/2.0f;
        float halfHeight = (float)winHeight/2.0f;


        float mapMinX = (float) (((px + minX)- halfWidth)/halfWidth);
        float mapMinY = (float) ((halfHeight - (py + maxY))/halfHeight);
        float mapMaxX = (float) ((px + maxX - halfWidth)/halfWidth);
        float mapMaxY = (float) ((halfHeight - (py + minY))/halfHeight);


        gl.glBegin(GL2.GL_QUADS);


        gl.glTexCoord2f(texMinU, texMaxV); gl.glVertex2f(mapMinX,mapMinY);
        gl.glTexCoord2f(texMaxU, texMaxV); gl.glVertex2f(mapMaxX,mapMinY);
        gl.glTexCoord2f(texMaxU, texMinV); gl.glVertex2f(mapMaxX,mapMaxY);
        gl.glTexCoord2f(texMinU, texMinV); gl.glVertex2f(mapMinX,mapMaxY);
        gl.glEnd();


        // Java 3D always clears the Z-buffer
        gl.glDepthMask(true);
        gl.glClear(GL.GL_DEPTH_BUFFER_BIT);
        gl.glPopAttrib();
    }

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Examples of javax.media.opengl.GL2

    @Override
    boolean initTexturemapping(Context ctx, int texWidth,
            int texHeight, int objectId) {
        if (VERBOSE) System.err.println("JoglPipeline.initTexturemapping()");


    GL2 gl = context(ctx).getGL().getGL2();


        int glType = (gl.isExtensionAvailable("GL_EXT_abgr") ? GL2.GL_ABGR_EXT : GL.GL_RGBA);


        gl.glBindTexture(GL.GL_TEXTURE_2D, objectId);


        gl.glTexImage2D(GL2.GL_PROXY_TEXTURE_2D, 0, GL.GL_RGBA, texWidth,
                texHeight, 0, glType, GL.GL_UNSIGNED_BYTE, null);


        int[] width = new int[1];
        gl.glGetTexLevelParameteriv(GL2.GL_PROXY_TEXTURE_2D, 0,
                GL2.GL_TEXTURE_WIDTH, width, 0);


        if (width[0] <= 0) {
            return false;
        }


        // init texture size only without filling the pixels
        gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA, texWidth,
                texHeight, 0, glType, GL.GL_UNSIGNED_BYTE, null);


        return true;
    }

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Examples of javax.media.opengl.GL2

    // foe single buffering.
    @Override
    void setRenderMode(Context ctx, int mode, boolean doubleBuffer) {
        if (VERBOSE) System.err.println("JoglPipeline.setRenderMode()");


    GL2 gl = context(ctx).getGL().getGL2();
        int drawBuf = 0;
        if (doubleBuffer) {
            drawBuf = GL.GL_BACK;
            switch (mode) {
                case Canvas3D.FIELD_LEFT:
                    drawBuf = GL2.GL_BACK_LEFT;
                    break;
                case Canvas3D.FIELD_RIGHT:
                    drawBuf = GL2.GL_BACK_RIGHT;
                    break;
                case Canvas3D.FIELD_ALL:
                    drawBuf = GL.GL_BACK;
                    break;
            }
        } else {
            drawBuf = GL.GL_FRONT;
            switch (mode) {
                case Canvas3D.FIELD_LEFT:
                    drawBuf = GL2.GL_FRONT_LEFT;
                    break;
                case Canvas3D.FIELD_RIGHT:
                    drawBuf = GL2.GL_FRONT_RIGHT;
                    break;
                case Canvas3D.FIELD_ALL:
                    drawBuf = GL.GL_FRONT;
                    break;
            }
        }


        gl.glDrawBuffer(drawBuf);
    }

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Examples of javax.media.opengl.GL2

    // native method for setting default PolygonAttributes
    @Override
    void resetPolygonAttributes(Context ctx) {
        if (VERBOSE) System.err.println("JoglPipeline.resetPolygonAttributes()");


    GL2 gl = context(ctx).getGL().getGL2();


        gl.glCullFace(GL.GL_BACK);
        gl.glEnable(GL.GL_CULL_FACE);


        gl.glLightModeli(GL2.GL_LIGHT_MODEL_TWO_SIDE, GL.GL_FALSE);


        gl.glPolygonMode(GL.GL_FRONT_AND_BACK, GL2.GL_FILL);


        gl.glPolygonOffset(0.0f, 0.0f);
        gl.glDisable(GL2.GL_POLYGON_OFFSET_POINT);
        gl.glDisable(GL2.GL_POLYGON_OFFSET_LINE);
        gl.glDisable(GL.GL_POLYGON_OFFSET_FILL);
    }

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Examples of javax.media.opengl.GL2

    // native method for setting default PointAttributes
    @Override
    void resetPointAttributes(Context ctx) {
        if (VERBOSE) System.err.println("JoglPipeline.resetPointAttributes()");


    GL2 gl = context(ctx).getGL().getGL2();
        gl.glPointSize(1.0f);


        // XXXX: Polygon Mode check, blend enable
        gl.glDisable(GL2.GL_POINT_SMOOTH);
    }

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Examples of javax.media.opengl.GL2

            float r, float g,
            float b, float a,
            boolean enableLight) {
        if (VERBOSE) System.err.println("JoglPipeline.resetColoringAttributes()");


    GL2 gl = context(ctx).getGL().getGL2();


        if (!enableLight) {
            gl.glColor4f(r, g, b, a);
        }
        gl.glShadeModel(GL2.GL_SMOOTH);
    }

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Examples of javax.media.opengl.GL2

    void clear(Context ctx, float r, float g, float b, boolean clearStencil) {
        if (VERBOSE) System.err.println("JoglPipeline.clear()");


        JoglContext jctx = (JoglContext) ctx;
        GLContext context = context(ctx);
    GL2 gl = context.getGL().getGL2();


        // OBSOLETE CLEAR CODE
        /*
        gl.glClearColor(r, g, b, jctx.getAlphaClearValue());
        gl.glClear(GL.GL_COLOR_BUFFER_BIT);


        // Java 3D always clears the Z-buffer
        gl.glPushAttrib(GL.GL_DEPTH_BUFFER_BIT);
        gl.glDepthMask(true);
        gl.glClear(GL.GL_DEPTH_BUFFER_BIT);
        gl.glPopAttrib();


        // Issue 239 - clear stencil if specified
        if (clearStencil) {
            gl.glPushAttrib(GL.GL_STENCIL_BUFFER_BIT);
            gl.glClearStencil(0);
            gl.glStencilMask(~0);
            gl.glClear(GL.GL_STENCIL_BUFFER_BIT);
            gl.glPopAttrib();
        }
        */


        // Mask of which buffers to clear, this always includes color & depth
        int clearMask = GL.GL_DEPTH_BUFFER_BIT | GL.GL_COLOR_BUFFER_BIT;


        // Issue 239 - clear stencil if specified
        if (clearStencil) {
            gl.glPushAttrib(GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_BUFFER_BIT);


            gl.glClearStencil(0);
            gl.glStencilMask(~0);
            clearMask |= GL.GL_STENCIL_BUFFER_BIT;
        } else {
            gl.glPushAttrib(GL.GL_DEPTH_BUFFER_BIT);
        }


        gl.glDepthMask(true);
        gl.glClearColor(r, g, b, jctx.getAlphaClearValue());
        gl.glClear(clearMask);
        gl.glPopAttrib();


    }

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Examples of javax.media.opengl.GL2

    void textureFillBackground(Context ctx, float texMinU, float texMaxU, float texMinV, float texMaxV,
            float mapMinX, float mapMaxX, float mapMinY, float mapMaxY, boolean useBilinearFilter)  {
        if (VERBOSE) System.err.println("JoglPipeline.textureFillBackground()");


        GLContext context = context(ctx);
    GL2 gl = context.getGL().getGL2();


        // Temporarily disable fragment and most 3D operations
        gl.glPushAttrib(GL2.GL_ENABLE_BIT | GL2.GL_TEXTURE_BIT | GL2.GL_POLYGON_BIT);


        disableAttribFor2D(gl);
        gl.glDepthMask(false);
        gl.glEnable(GL.GL_TEXTURE_2D);


        /* Setup filter mode if needed */
        if(useBilinearFilter) {
            // System.err.println("JoglPipeline - Background  : use bilinear filter\n");
            gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR);
            gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR);
        }


        // reset the polygon mode
        gl.glPolygonMode(GL.GL_FRONT_AND_BACK, GL2.GL_FILL);


        gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);


        // load identity modelview and projection matrix
        gl.glMatrixMode(GL2.GL_PROJECTION);
        gl.glLoadIdentity();
        gl.glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
        gl.glMatrixMode(GL2.GL_MODELVIEW);
        gl.glLoadIdentity();
        gl.glMatrixMode(GL.GL_TEXTURE);
        gl.glPushMatrix();
        gl.glLoadIdentity();


        gl.glBegin(GL2.GL_QUADS);
        gl.glTexCoord2f(texMinU, texMinV); gl.glVertex2f(mapMinX,mapMinY);
        gl.glTexCoord2f(texMaxU, texMinV); gl.glVertex2f(mapMaxX,mapMinY);
        gl.glTexCoord2f(texMaxU, texMaxV); gl.glVertex2f(mapMaxX,mapMaxY);
        gl.glTexCoord2f(texMinU, texMaxV); gl.glVertex2f(mapMinX,mapMaxY);
        gl.glEnd();


        // Restore texture Matrix transform
        gl.glPopMatrix();


        gl.glMatrixMode(GL2.GL_MODELVIEW);
        // Restore attributes
        gl.glPopAttrib();


    }

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