protected void endDrawIcons(DrawContext dc) { if (dc.isPickingMode()) this.pickSupport.endPicking(dc); GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility. if (dc.isPickingMode()) { gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, OGLUtil.DEFAULT_TEX_ENV_MODE); gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_SRC0_RGB, OGLUtil.DEFAULT_SRC0_RGB); gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_COMBINE_RGB, OGLUtil.DEFAULT_COMBINE_RGB); } gl.glBindTexture(GL.GL_TEXTURE_2D, 0); this.oglStackHandler.pop(gl); }
protected void beginDrawIcons(DrawContext dc) { GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility. this.oglStackHandler.clear(); int attributeMask = GL2.GL_DEPTH_BUFFER_BIT // for depth test, depth mask and depth func | GL2.GL_TRANSFORM_BIT // for modelview and perspective | GL2.GL_VIEWPORT_BIT // for depth range | GL2.GL_CURRENT_BIT // for current color | GL2.GL_COLOR_BUFFER_BIT // for alpha test func and ref, and blend | GL2.GL_DEPTH_BUFFER_BIT // for depth func | GL2.GL_ENABLE_BIT; // for enable/disable changes this.oglStackHandler.pushAttrib(gl, attributeMask); // Apply the depth buffer but don't change it. if ((!dc.isDeepPickingEnabled())) gl.glEnable(GL.GL_DEPTH_TEST); gl.glDepthMask(false); // Suppress any fully transparent image pixels gl.glEnable(GL2.GL_ALPHA_TEST); gl.glAlphaFunc(GL2.GL_GREATER, 0.001f); // Load a parallel projection with dimensions (viewportWidth, viewportHeight) this.oglStackHandler.pushProjectionIdentity(gl); gl.glOrtho( 0d, dc.getView().getViewport().width, 0d, dc.getView().getViewport().height, -1d, 1d); this.oglStackHandler.pushModelview(gl); this.oglStackHandler.pushTexture(gl); if (dc.isPickingMode()) { this.pickSupport.beginPicking(dc); // Set up to replace the non-transparent texture colors with the single pick color. gl.glEnable(GL.GL_TEXTURE_2D); gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL2.GL_COMBINE); gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_SRC0_RGB, GL2.GL_PREVIOUS); gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_COMBINE_RGB, GL2.GL_REPLACE); } else { gl.glEnable(GL.GL_TEXTURE_2D); gl.glEnable(GL.GL_BLEND); gl.glBlendFunc(GL.GL_ONE, GL.GL_ONE_MINUS_SRC_ALPHA); } }