/** * Renders the tile to the given context, in the process building all needed resources. * * @param gl */ public void render(GL gl) { projection = ProjectionFactory.getCurrentProjection(); heightmap = State.getInstance().getLoadedHeightmap(); // BUILD TEXTURES IF NECESSARY if (!gl.glIsTexture(textureID)) { textureID = createTexture(gl, getImage(), false); // prerenderToTexture(gl); } if (!gl.glIsTexture(grainTextureID)) { createGrainTexture(gl); } // RENDER TILE FROM DISPLAY LIST, OR ELSE BUILD DISPLAY LIST if (gl.glIsList(displaylistID)) { gl.glCallList(displaylistID); } else { displaylistID = gl.glGenLists(1); gl.glNewList(displaylistID, GL_COMPILE_AND_EXECUTE); gl.glActiveTexture(GL_TEXTURE0); gl.glEnable(GL_TEXTURE_2D); gl.glBindTexture(GL_TEXTURE_2D, grainTextureID); gl.glActiveTexture(GL_TEXTURE1); gl.glEnable(GL_TEXTURE_2D); gl.glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); gl.glBindTexture(GL_TEXTURE_2D, textureID); gl.glColor3f(1, 1, 1); float[] color = new float[3]; float hRes = HEIGHT_RESOLUTION - 1; float stepSize = bounds.getWidth() / hRes; Coordinates pos = new Coordinates(); for (int x = 0; x < hRes; x++) { gl.glBegin(GL_TRIANGLE_STRIP); for (int y = 0; y <= hRes; y++) { for (int i = 0; i < 2; i++) { pos.setLatitude(bounds.getTop() + y * stepSize); pos.setLongitude(bounds.getLeft() + (x + i) * stepSize); gl.glMultiTexCoord2f( GL_TEXTURE0, (x + i) / (float) GRAIN_RESOLUTION, y / (float) GRAIN_RESOLUTION); gl.glMultiTexCoord2f(GL_TEXTURE1, (x + i) / hRes, y / hRes); float height = heights[x + HEIGHT_BORDER + i][y + HEIGHT_BORDER]; getHeightColor(color, height); float shade = getShade(x + i, y, stepSize); gl.glColor3f(color[0] * shade, color[1] * shade, color[2] * shade); gl.glVertex3f(pos.getLongitude(), pos.getLatitude(), height); } } gl.glEnd(); } gl.glDisable(GL_TEXTURE_2D); gl.glActiveTexture(GL_TEXTURE0); renderPOIs(gl); gl.glEndList(); } }
public void copyTex(GLTexture srcTex, GLTexture destTex) { float uscale = srcTex.getMaxTextureCoordS(); float vscale = srcTex.getMaxTextureCoordT(); float cx = 0.0f; float sx = +1.0f; if (destTex.isFlippedX()) { cx = 1.0f; sx = -1.0f; } float cy = 0.0f; float sy = +1.0f; if (destTex.isFlippedY()) { cy = 1.0f; sy = -1.0f; } gl.glEnable(srcTex.getTextureTarget()); gl.glActiveTexture(GL.GL_TEXTURE0); gl.glBindTexture(srcTex.getTextureTarget(), srcTex.getTextureID()); pushFramebuffer(); setFramebuffer(FBO); FBO.setDrawBuffer(destTex.getTextureTarget(), destTex.getTextureID()); saveView(); setOrthographicView(destTex.width, destTex.height); gl.glEnable(srcTex.getTextureTarget()); gl.glActiveTexture(GL.GL_TEXTURE0); gl.glBindTexture(srcTex.getTextureTarget(), srcTex.getTextureID()); gl.glColor4f(1.0f, 1.0f, 1.0f, 1.0f); gl.glBegin(GL.GL_QUADS); gl.glTexCoord2f((cx + sx * 0.0f) * uscale, (cy + sy * 0.0f) * vscale); gl.glVertex2f(0.0f, 0.0f); gl.glTexCoord2f((cx + sx * 1.0f) * uscale, (cy + sy * 0.0f) * vscale); gl.glVertex2f(srcTex.width, 0.0f); gl.glTexCoord2f((cx + sx * 1.0f) * uscale, (cy + sy * 1.0f) * vscale); gl.glVertex2f(srcTex.width, srcTex.height); gl.glTexCoord2f((cx + sx * 0.0f) * uscale, (cy + sy * 1.0f) * vscale); gl.glVertex2f(0.0f, srcTex.height); gl.glEnd(); gl.glBindTexture(srcTex.getTextureTarget(), 0); restoreView(); popFramebuffer(); }
public void display(GL gl, float time, int screenWidth, int screenHeight) { // TODO: most of this only needs to be done once per frame, not per button. if (!visible) { return; } gl.glMatrixMode(GL.GL_MODELVIEW); gl.glPushMatrix(); if (flipx) { gl.glTranslatef(1.0f, 0.0f, 0.0f); gl.glScalef(-1.0f, 1.0f, 1.0f); } if (flipy) { gl.glTranslatef(0.0f, 1.0f, 0.0f); gl.glScalef(1.0f, -1.0f, 1.0f); } gl.glScalef(1.0f / screenWidth, 1.0f / screenHeight, 1.0f); if (isSelected() || (mDown && mOver)) { gl.glColor3f(0.6f, 0.6f, 0.8f); } else { gl.glColor3f(0.8f, 0.8f, 0.8f); } gl.glActiveTexture(GL.GL_TEXTURE0); marble.enable(); marble.bind(); gl.glMatrixMode(GL.GL_TEXTURE); gl.glPushMatrix(); gl.glLoadIdentity(); gl.glBegin(GL.GL_POLYGON); for (int n = 0; n < buttonShape.npoints; n++) { gl.glTexCoord2f(n / 2, (n + n / 2 + 1) % 2); gl.glVertex3f(buttonShape.xpoints[n], buttonShape.ypoints[n], -0.5f); } gl.glEnd(); tex.enable(); tex.bind(); gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR); gl.glBegin(GL.GL_POLYGON); for (int n = 0; n < buttonShape.npoints; n++) { gl.glTexCoord2f(n / 2, (n + n / 2 + 1) % 2); gl.glVertex3f(buttonShape.xpoints[n], buttonShape.ypoints[n], -1.0f); } gl.glEnd(); gl.glPopMatrix(); gl.glMatrixMode(GL.GL_MODELVIEW); gl.glPopMatrix(); }
private void display(GL gl, GLU glu, final JoglFrameBufferObject theFBO) { final int w = theFBO.getPixelWidth(); final int h = theFBO.getPixelHeight(); /* bind position data */ gl.glEnableClientState(GL.GL_VERTEX_ARRAY); gl.glBindBuffer(GL.GL_ARRAY_BUFFER, _myVBO); gl.glVertexPointer(4, GL.GL_FLOAT, 0, 0); /* bind point size data */ _myShaderManager.enable(_myPointSpriteShader); final int myPointSizeAttrib = gl.glGetAttribLocation(_myPointSpriteShader.getOpenGLID(), "vertexAttribute"); gl.glEnableVertexAttribArray(myPointSizeAttrib); gl.glBindBuffer(GL.GL_ARRAY_BUFFER, _myIBO); gl.glVertexAttribPointer(myPointSizeAttrib, 3, GL.GL_FLOAT, false, 0, 0); gl.glEnable(GL.GL_VERTEX_PROGRAM_POINT_SIZE_ARB); /* --- */ final JoglFrameBufferObject READ_FBO = _myFBO; _myShaderManager.setUniform( _myPointSpriteShader, "textureVelocity", READ_FBO.additional_texture(BufferInfo.SECONDARY).getTextureUnit() - GL.GL_TEXTURE0); _myShaderManager.setUniform(_myPointSpriteShader, "velocityThreshold", velocity_threshold); _myShaderManager.setUniform(_myPointSpriteShader, "sizeThreshold", size_threshold); _myShaderManager.setUniform(_myPointSpriteShader, "pointSize", point_size); _myShaderManager.setUniform(_myPointSpriteShader, "flowdirection", flow_direction); _myShaderManager.setUniform(_myPointSpriteShader, "collisionratio", collision_ratio); gl.glActiveTexture(READ_FBO.additional_texture(BufferInfo.SECONDARY).getTextureUnit()); gl.glBindTexture( READ_FBO.additional_texture(BufferInfo.SECONDARY).getTextureTarget(), READ_FBO.additional_texture(BufferInfo.SECONDARY).getTextureID()); JoglUtil.printGLError(gl, glu, "binding texture", true); gl.glDrawArrays(GL.GL_POINTS, 0, w * h); gl.glBindBuffer(GL.GL_ARRAY_BUFFER, 0); gl.glDisableClientState(GL.GL_VERTEX_ARRAY); gl.glDisableVertexAttribArray(myPointSizeAttrib); _myShaderManager.disable(); gl.glDisable(GL.GL_VERTEX_PROGRAM_POINT_SIZE_ARB); gl.glBindTexture(READ_FBO.additional_texture(BufferInfo.SECONDARY).getTextureTarget(), 0); JoglUtil.printGLError(gl, glu, "display()", true); }
@Override protected void preNextTextureImpl(final GL gl) { psm.setUnpackAlignment(gl, 1); // RGBA ? 4 : 1 gl.glActiveTexture(GL.GL_TEXTURE0 + getTextureUnit()); }