public static void deleteGLResource(int id, int type) { if (type == GL_TEXTURE_OBJECT) { if (glTextureObjects.contains(id)) { int[] temp = {id}; gl.glDeleteTextures(1, temp, 0); glTextureObjects.remove(id); } } else if (type == GL_VERTEX_BUFFER) { if (glVertexBuffers.contains(id)) { int[] temp = {id}; gl.glDeleteBuffersARB(1, temp, 0); glVertexBuffers.remove(id); } } else if (type == GL_FRAME_BUFFER) { if (glFrameBuffers.contains(id)) { int[] temp = {id}; gl.glDeleteFramebuffersEXT(1, temp, 0); glFrameBuffers.remove(id); } } else if (type == GL_RENDER_BUFFER) { if (glRenderBuffers.contains(id)) { int[] temp = {id}; gl.glDeleteRenderbuffersEXT(1, temp, 0); glRenderBuffers.remove(id); } } else if (type == GLSL_PROGRAM) { if (glslPrograms.contains(id)) { gl.glDeleteProgram(id); glslPrograms.remove(id); } } else if (type == GLSL_SHADER) { if (glslShaders.contains(id)) { gl.glDeleteShader(id); glslShaders.remove(id); } } }
// Releases any remaining OpenGL resources (including CG resources). public static void deleteAllGLResources() { if (!glTextureObjects.isEmpty()) { Object[] glids = glTextureObjects.toArray(); for (int i = 0; i < glids.length; i++) { int id = ((Integer) glids[i]).intValue(); int[] temp = {id}; gl.glDeleteTextures(1, temp, 0); } glTextureObjects.clear(); } if (!glVertexBuffers.isEmpty()) { Object[] glids = glVertexBuffers.toArray(); for (int i = 0; i < glids.length; i++) { int id = ((Integer) glids[i]).intValue(); int[] temp = {id}; gl.glDeleteBuffersARB(1, temp, 0); } glVertexBuffers.clear(); } if (!glFrameBuffers.isEmpty()) { Object[] glids = glFrameBuffers.toArray(); for (int i = 0; i < glids.length; i++) { int id = ((Integer) glids[i]).intValue(); int[] temp = {id}; gl.glDeleteFramebuffersEXT(1, temp, 0); } glFrameBuffers.clear(); } if (!glRenderBuffers.isEmpty()) { Object[] glids = glRenderBuffers.toArray(); for (int i = 0; i < glids.length; i++) { int id = ((Integer) glids[i]).intValue(); int[] temp = {id}; gl.glDeleteRenderbuffersEXT(1, temp, 0); } glRenderBuffers.clear(); } if (!glslPrograms.isEmpty()) { Object[] glids = glslPrograms.toArray(); for (int i = 0; i < glids.length; i++) { int id = ((Integer) glids[i]).intValue(); gl.glDeleteProgram(id); } glslPrograms.clear(); } if (!glslShaders.isEmpty()) { Object[] glids = glslShaders.toArray(); for (int i = 0; i < glids.length; i++) { int id = ((Integer) glids[i]).intValue(); gl.glDeleteShader(id); } glslShaders.clear(); } if (!cgContexts.isEmpty()) { Object[] glids = cgContexts.toArray(); for (int i = 0; i < glids.length; i++) { Object id = glids[i]; CgGL.cgDestroyContext((CGcontext) id); } cgContexts.clear(); } if (!cgPrograms.isEmpty()) { Object[] glids = cgPrograms.toArray(); for (int i = 0; i < glids.length; i++) { Object id = glids[i]; CgGL.cgDestroyProgram((CGprogram) id); } cgPrograms.clear(); } if (!cgEffects.isEmpty()) { Object[] glids = cgEffects.toArray(); for (int i = 0; i < glids.length; i++) { Object id = glids[i]; CgGL.cgDestroyEffect((CGeffect) id); } cgEffects.clear(); } }
public void prerenderToTexture(GL gl) { int texSize = 256; final int[] tmp = new int[1]; gl.glGenTextures(1, tmp, 0); textureID = tmp[0]; gl.glBindTexture(GL_TEXTURE_2D, textureID); gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); gl.glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, texSize, texSize, 0, GL_BGRA, GL_UNSIGNED_BYTE, null); final int[] fbo = new int[1]; gl.glGenFramebuffersEXT(1, IntBuffer.wrap(fbo)); gl.glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo[0]); gl.glFramebufferTexture2DEXT( GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, textureID, 0); gl.glDrawBuffers(1, IntBuffer.wrap(new int[] {GL_COLOR_ATTACHMENT0_EXT})); final int[] rba = new int[1]; gl.glGenRenderbuffersEXT(1, IntBuffer.wrap(rba)); gl.glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, rba[0]); gl.glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, texSize, texSize); gl.glFramebufferRenderbufferEXT( GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, rba[0]); gl.glPushMatrix(); gl.glLoadIdentity(); gl.glPushAttrib(GL_VIEWPORT_BIT); gl.glViewport(0, 0, texSize, texSize); gl.glMatrixMode(GL.GL_PROJECTION); gl.glPushMatrix(); gl.glLoadIdentity(); gl.glOrtho(0, texSize, 0, texSize, 0, 10); gl.glMatrixMode(GL.GL_MODELVIEW); Set<MapElement> map = State.getInstance().getMapInfo().queryElements(detailLevel, bounds, true); gl.glDisable(GL_TEXTURE_2D); gl.glColor3f(1, 1, 1); for (MapElement element : map) { if (element instanceof Street) { drawLine( gl, ((Street) element).getDrawingSize() / (float) Projection.getZoomFactor(detailLevel), ((Street) element).getNodes()); } } gl.glColor3f(0.3f, 0.3f, 0.3f); for (MapElement element : map) { if ((element instanceof Area) && (((Area) element).getWayInfo().isBuilding())) { gl.glBegin(GL_POLYGON); for (Node node : ((Area) element).getNodes()) { Coordinates pos = getLocalCoordinates(node.getPos()); gl.glVertex3f(pos.getLongitude(), pos.getLatitude(), 0f); } gl.glEnd(); } } gl.glEnable(GL_TEXTURE_2D); gl.glMatrixMode(GL.GL_PROJECTION); gl.glPopMatrix(); gl.glMatrixMode(GL.GL_MODELVIEW); gl.glPopAttrib(); gl.glPopMatrix(); gl.glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); gl.glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0); gl.glDeleteFramebuffersEXT(1, fbo, 0); gl.glDeleteRenderbuffersEXT(1, rba, 0); }