private void activate() {
if (_active == 0) {
try {
_oldContext = ContextManager.getCurrentContext();
_pbuffer.makeCurrent();
ContextManager.switchContext(_pbuffer);
ContextManager.getCurrentContext().clearEnforcedStates();
ContextManager.getCurrentContext().enforceStates(_enforcedStates);
if (_bgColorDirty) {
GL11.glClearColor(
_backgroundColor.getRed(),
_backgroundColor.getGreen(),
_backgroundColor.getBlue(),
_backgroundColor.getAlpha());
_bgColorDirty = false;
}
} catch (final LWJGLException e) {
logger.logp(Level.SEVERE, this.getClass().toString(), "activate()", "Exception", e);
throw new Ardor3dException();
}
}
_active++;
}
// XXX: Need another look at this to make it generic?
private void giveBackContext() throws LWJGLException {
if (Display.isCreated()) {
Display.makeCurrent();
ContextManager.switchContext(_oldContext.getContextKey());
} else if (_oldContext.getContextKey() instanceof AWTGLCanvas) {
((AWTGLCanvas) _oldContext.getContextKey()).makeCurrent();
ContextManager.switchContext(_oldContext.getContextKey());
}
}
private void initPbuffer() {
try {
if (_pbuffer != null) {
giveBackContext();
ContextManager.removeContext(_pbuffer);
}
final PixelFormat format =
new PixelFormat(
_settings.getAlphaBits(), _settings.getDepthBits(), _settings.getStencilBits())
.withSamples(_settings.getSamples())
.withBitsPerPixel(_settings.getColorDepth())
.withStereo(_settings.isStereo());
_pbuffer = new Pbuffer(_width, _height, format, _texture, null);
final Object contextKey = _pbuffer;
try {
_pbuffer.makeCurrent();
} catch (final LWJGLException e) {
throw new RuntimeException(e);
}
final LwjglContextCapabilities caps =
new LwjglContextCapabilities(GLContext.getCapabilities());
ContextManager.addContext(
contextKey, new RenderContext(contextKey, caps, ContextManager.getCurrentContext()));
} catch (final Exception e) {
logger.logp(Level.SEVERE, this.getClass().toString(), "initPbuffer()", "Exception", e);
if (_texture != null && _useDirectRender) {
logger.warning(
"Your card claims to support Render to Texture but fails to enact it. Updating your driver might solve this problem.");
logger.warning("Attempting to fall back to Copy Texture.");
_texture = null;
_useDirectRender = false;
initPbuffer();
return;
}
logger.log(Level.WARNING, "Failed to create Pbuffer.", e);
return;
}
try {
activate();
_width = _pbuffer.getWidth();
_height = _pbuffer.getHeight();
deactivate();
} catch (final Exception e) {
logger.log(Level.WARNING, "Failed to initialize created Pbuffer.", e);
return;
}
}
public void setMultipleTargets(final boolean force) {
if (force) {
logger.fine("Copy Texture Pbuffer used!");
_useDirectRender = false;
_texture = null;
if (_pbuffer != null) {
try {
giveBackContext();
} catch (final LWJGLException ex) {
}
ContextManager.removeContext(_pbuffer);
}
} else {
if ((Pbuffer.getCapabilities() & Pbuffer.RENDER_TEXTURE_SUPPORTED) != 0) {
logger.fine("Render to Texture Pbuffer supported!");
if (_texture == null) {
logger.fine("No RenderTexture used in init, falling back to Copy Texture PBuffer.");
_useDirectRender = false;
} else {
_useDirectRender = true;
}
} else {
logger.fine("Copy Texture Pbuffer supported!");
_texture = null;
}
}
}
public static void apply(final JoglRenderer renderer, final GLSLShaderObjectsState state) {
final GL gl = GLU.getCurrentGL();
final RenderContext context = ContextManager.getCurrentContext();
final ContextCapabilities caps = context.getCapabilities();
if (caps.isGLSLSupported()) {
// Ask for the current state record
final ShaderObjectsStateRecord record =
(ShaderObjectsStateRecord) context.getStateRecord(StateType.GLSLShader);
context.setCurrentState(StateType.GLSLShader, state);
if (state.isEnabled()) {
if (state._needSendShader) {
sendToGL(state);
}
if (state._shaderDataLogic != null) {
state._shaderDataLogic.applyData(state, state._mesh, renderer);
}
}
if (!record.isValid() || record.getReference() != state || state.needsRefresh()) {
record.setReference(state);
if (state.isEnabled()) {
if (state._programID != -1) {
gl.glUseProgramObjectARB(state._programID);
final List<ShaderVariable> attribs = state.getShaderAttributes();
for (int i = attribs.size(); --i >= 0; ) {
final ShaderVariable shaderVariable = attribs.get(i);
if (shaderVariable.needsRefresh) {
JoglShaderUtil.updateAttributeLocation(shaderVariable, state._programID);
shaderVariable.needsRefresh = false;
}
JoglShaderUtil.updateShaderAttribute(shaderVariable);
}
final List<ShaderVariable> uniforms = state.getShaderUniforms();
for (int i = uniforms.size(); --i >= 0; ) {
final ShaderVariable shaderVariable = uniforms.get(i);
if (shaderVariable.needsRefresh) {
JoglShaderUtil.updateUniformLocation(shaderVariable, state._programID);
JoglShaderUtil.updateShaderUniform(shaderVariable);
shaderVariable.needsRefresh = false;
}
}
}
} else {
gl.glUseProgramObjectARB(0);
}
}
if (!record.isValid()) {
record.validate();
}
}
}
private static void checkLinkError(final int programId) {
final GL gl = GLContext.getCurrentGL();
final JoglRenderContext context = (JoglRenderContext) ContextManager.getCurrentContext();
final IntBuffer compiled = context.getDirectNioBuffersSet().getSingleIntBuffer();
compiled.clear();
if (gl.isGL2()) {
gl.getGL2().glGetObjectParameterivARB(programId, GL2ES2.GL_LINK_STATUS, compiled);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glGetProgramiv(programId, GL2ES2.GL_LINK_STATUS, compiled);
}
}
if (compiled.get(0) == GL.GL_FALSE) {
if (gl.isGL2()) {
gl.getGL2().glGetObjectParameterivARB(programId, GL2ES2.GL_INFO_LOG_LENGTH, compiled);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glGetProgramiv(programId, GL2ES2.GL_INFO_LOG_LENGTH, compiled);
}
}
final int length = compiled.get(0);
String out = null;
if (length > 0) {
final ByteBuffer infoLogBuf = context.getDirectNioBuffersSet().getInfoLogBuffer();
final ByteBuffer infoLog;
if (length <= infoLogBuf.capacity()) {
infoLog = infoLogBuf;
infoLogBuf.rewind().limit(length);
} else {
infoLog = BufferUtils.createByteBuffer(length);
}
if (gl.isGL2()) {
gl.getGL2().glGetInfoLogARB(programId, infoLog.limit(), compiled, infoLog);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glGetProgramInfoLog(programId, infoLog.limit(), compiled, infoLog);
}
}
final byte[] infoBytes = new byte[length];
infoLog.get(infoBytes);
out = new String(infoBytes);
}
logger.severe(out);
// throw new Ardor3dException("Error linking GLSL shader: " + out);
}
}
/**
* <code>setupTexture</code> initializes a new Texture object for use with TextureRenderer.
* Generates a valid gl texture id for this texture and inits the data type for the texture.
*/
public void setupTexture(final Texture tex) {
if (tex.getType() != Type.TwoDimensional) {
throw new IllegalArgumentException("Unsupported type: " + tex.getType());
}
final RenderContext context = ContextManager.getCurrentContext();
final TextureStateRecord record =
(TextureStateRecord) context.getStateRecord(RenderState.StateType.Texture);
// check if we are already setup... if so, throw error.
if (tex.getTextureKey() == null) {
tex.setTextureKey(TextureKey.getRTTKey(tex.getMinificationFilter()));
} else if (tex.getTextureIdForContext(context.getGlContextRep()) != 0) {
throw new Ardor3dException("Texture is already setup and has id.");
}
// Create the texture
final IntBuffer ibuf = BufferUtils.createIntBuffer(1);
GL11.glGenTextures(ibuf);
final int textureId = ibuf.get(0);
tex.setTextureIdForContext(context.getGlContextRep(), textureId);
LwjglTextureStateUtil.doTextureBind(tex, 0, true);
// Initialize our texture with some default data.
final int internalFormat = LwjglTextureUtil.getGLInternalFormat(tex.getTextureStoreFormat());
final int dataFormat =
LwjglTextureUtil.getGLPixelFormatFromStoreFormat(tex.getTextureStoreFormat());
final int pixelDataType =
LwjglTextureUtil.getGLPixelDataType(tex.getRenderedTexturePixelDataType());
GL11.glTexImage2D(
GL11.GL_TEXTURE_2D,
0,
internalFormat,
_width,
_height,
0,
dataFormat,
pixelDataType,
(ByteBuffer) null);
// Setup filtering and wrap
final TextureRecord texRecord = record.getTextureRecord(textureId, tex.getType());
LwjglTextureStateUtil.applyFilter(tex, texRecord, 0, record, context.getCapabilities());
LwjglTextureStateUtil.applyWrap(tex, texRecord, 0, record, context.getCapabilities());
logger.fine("setup pbuffer tex" + textureId + ": " + _width + "," + _height);
}
/**
* Check for program errors. If an error is detected, program exits.
*
* @param compilerState the compiler state for a given shader
* @param id shader's id
*/
private static void checkProgramError(
final int compilerState, final int id, final String shaderName) {
final GL gl = GLContext.getCurrentGL();
if (compilerState == GL.GL_FALSE) {
final JoglRenderContext context = (JoglRenderContext) ContextManager.getCurrentContext();
final IntBuffer iVal = context.getDirectNioBuffersSet().getSingleIntBuffer();
iVal.clear();
if (gl.isGL2()) {
gl.getGL2().glGetObjectParameterivARB(id, GL2.GL_OBJECT_INFO_LOG_LENGTH_ARB, iVal);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glGetProgramiv(id, GL2ES2.GL_INFO_LOG_LENGTH, iVal);
}
}
final int length = iVal.get(0);
String out = null;
if (length > 0) {
final ByteBuffer infoLogBuf = context.getDirectNioBuffersSet().getInfoLogBuffer();
final ByteBuffer infoLog;
if (length <= infoLogBuf.capacity()) {
infoLog = infoLogBuf;
infoLogBuf.rewind().limit(length);
} else {
infoLog = BufferUtils.createByteBuffer(length);
}
if (gl.isGL2()) {
gl.getGL2().glGetInfoLogARB(id, infoLog.limit(), iVal, infoLog);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glGetProgramInfoLog(id, infoLog.limit(), iVal, infoLog);
}
}
final byte[] infoBytes = new byte[length];
infoLog.get(infoBytes);
out = new String(infoBytes);
}
logger.severe(out);
final String nameString = shaderName.equals("") ? "" : " [ " + shaderName + " ]";
throw new Ardor3dException("Error compiling GLSL shader " + nameString + ": " + out);
}
}
public static void apply(final LwjglRenderer renderer, final ShadingState state) {
// ask for the current state record
final RenderContext context = ContextManager.getCurrentContext();
final ShadingStateRecord record =
(ShadingStateRecord) context.getStateRecord(StateType.Shading);
context.setCurrentState(StateType.Shading, state);
// If not enabled, we'll use smooth
final int toApply = state.isEnabled() ? getGLShade(state.getShadingMode()) : GL11.GL_SMOOTH;
// only apply if we're different. Update record to reflect any changes.
if (!record.isValid() || toApply != record.lastShade) {
GL11.glShadeModel(toApply);
record.lastShade = toApply;
}
if (!record.isValid()) {
record.validate();
}
}
public static void apply(final JoglRenderer renderer, final ColorMaskState state) {
final GL gl = GLU.getCurrentGL();
// ask for the current state record
final RenderContext context = ContextManager.getCurrentContext();
final ColorMaskStateRecord record =
(ColorMaskStateRecord) context.getStateRecord(StateType.ColorMask);
context.setCurrentState(StateType.ColorMask, state);
if (state.isEnabled()) {
if (!record.isValid()
|| !record.is(state.getRed(), state.getGreen(), state.getBlue(), state.getAlpha())) {
gl.glColorMask(state.getRed(), state.getGreen(), state.getBlue(), state.getAlpha());
record.set(state.getRed(), state.getGreen(), state.getBlue(), state.getAlpha());
}
} else if (!record.isValid() || !record.is(true, true, true, true)) {
gl.glColorMask(true, true, true, true);
record.set(true, true, true, true);
}
if (!record.isValid()) {
record.validate();
}
}
protected static void sendToGL(
final GLSLShaderObjectsState state, final ContextCapabilities caps) {
final GL gl = GLContext.getCurrentGL();
if (state.getVertexShader() == null && state.getFragmentShader() == null) {
logger.warning("Could not find shader resources!" + "(both inputbuffers are null)");
state._needSendShader = false;
return;
}
if (state._programID == -1) {
if (gl.isGL2()) {
state._programID = gl.getGL2().glCreateProgramObjectARB();
} else {
if (gl.isGL2ES2()) {
state._programID = gl.getGL2ES2().glCreateProgram();
}
}
}
if (state.getVertexShader() != null) {
if (state._vertexShaderID != -1) {
removeVertShader(state);
}
if (gl.isGL2()) {
state._vertexShaderID = gl.getGL2().glCreateShaderObjectARB(GL2ES2.GL_VERTEX_SHADER);
} else {
if (gl.isGL2ES2()) {
state._vertexShaderID = gl.getGL2ES2().glCreateShader(GL2ES2.GL_VERTEX_SHADER);
}
}
// Create the sources
final byte array[] = new byte[state.getVertexShader().limit()];
state.getVertexShader().rewind();
state.getVertexShader().get(array);
if (gl.isGL2()) {
gl.getGL2()
.glShaderSourceARB(
state._vertexShaderID,
1,
new String[] {new String(array)},
new int[] {array.length},
0);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2()
.glShaderSource(
state._vertexShaderID,
1,
new String[] {new String(array)},
new int[] {array.length},
0);
}
}
// Compile the vertex shader
final JoglRenderContext context = (JoglRenderContext) ContextManager.getCurrentContext();
final IntBuffer compiled = context.getDirectNioBuffersSet().getSingleIntBuffer();
compiled.clear();
if (gl.isGL2()) {
gl.getGL2().glCompileShaderARB(state._vertexShaderID);
gl.getGL2()
.glGetObjectParameterivARB(
state._vertexShaderID, GL2.GL_OBJECT_COMPILE_STATUS_ARB, compiled);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glCompileShader(state._vertexShaderID);
gl.getGL2ES2().glGetShaderiv(state._vertexShaderID, GL2ES2.GL_COMPILE_STATUS, compiled);
}
}
checkProgramError(compiled.get(0), state._vertexShaderID, state._vertexShaderName);
// Attach the program
if (gl.isGL2()) {
gl.getGL2().glAttachObjectARB(state._programID, state._vertexShaderID);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glAttachShader(state._programID, state._vertexShaderID);
}
}
} else if (state._vertexShaderID != -1) {
removeVertShader(state);
state._vertexShaderID = -1;
}
if (state.getFragmentShader() != null) {
if (state._fragmentShaderID != -1) {
removeFragShader(state);
}
if (gl.isGL2()) {
state._fragmentShaderID = gl.getGL2().glCreateShaderObjectARB(GL2ES2.GL_FRAGMENT_SHADER);
} else {
if (gl.isGL2ES2()) {
state._fragmentShaderID = gl.getGL2ES2().glCreateShader(GL2ES2.GL_FRAGMENT_SHADER);
}
}
// Create the sources
final byte array[] = new byte[state.getFragmentShader().limit()];
state.getFragmentShader().rewind();
state.getFragmentShader().get(array);
if (gl.isGL2()) {
gl.getGL2()
.glShaderSourceARB(
state._fragmentShaderID,
1,
new String[] {new String(array)},
new int[] {array.length},
0);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2()
.glShaderSource(
state._fragmentShaderID,
1,
new String[] {new String(array)},
new int[] {array.length},
0);
}
}
// Compile the fragment shader
final JoglRenderContext context = (JoglRenderContext) ContextManager.getCurrentContext();
final IntBuffer compiled = context.getDirectNioBuffersSet().getSingleIntBuffer();
compiled.clear();
if (gl.isGL2()) {
gl.getGL2().glCompileShaderARB(state._fragmentShaderID);
gl.getGL2()
.glGetObjectParameterivARB(
state._fragmentShaderID, GL2.GL_OBJECT_COMPILE_STATUS_ARB, compiled);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glCompileShader(state._fragmentShaderID);
gl.getGL2ES2().glGetShaderiv(state._fragmentShaderID, GL2ES2.GL_COMPILE_STATUS, compiled);
}
}
checkProgramError(compiled.get(0), state._fragmentShaderID, state._vertexShaderName);
// Attach the program
if (gl.isGL2()) {
gl.getGL2().glAttachObjectARB(state._programID, state._fragmentShaderID);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glAttachShader(state._programID, state._fragmentShaderID);
}
}
} else if (state._fragmentShaderID != -1) {
removeFragShader(state);
state._fragmentShaderID = -1;
}
if (caps.isGeometryShader4Supported()) {
if (state.getGeometryShader() != null) {
if (state._geometryShaderID != -1) {
removeGeomShader(state);
}
if (gl.isGL2()) {
state._geometryShaderID = gl.getGL2().glCreateShaderObjectARB(GL3.GL_GEOMETRY_SHADER);
} else {
if (gl.isGL2ES2()) {
state._geometryShaderID = gl.getGL2ES2().glCreateShader(GL3.GL_GEOMETRY_SHADER);
}
}
// Create the sources
final byte array[] = new byte[state.getGeometryShader().limit()];
state.getGeometryShader().rewind();
state.getGeometryShader().get(array);
if (gl.isGL2()) {
gl.getGL2()
.glShaderSourceARB(
state._geometryShaderID,
1,
new String[] {new String(array)},
new int[] {array.length},
0);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2()
.glShaderSource(
state._geometryShaderID,
1,
new String[] {new String(array)},
new int[] {array.length},
0);
}
}
// Compile the geometry shader
final JoglRenderContext context = (JoglRenderContext) ContextManager.getCurrentContext();
final IntBuffer compiled = context.getDirectNioBuffersSet().getSingleIntBuffer();
compiled.clear();
if (gl.isGL2()) {
gl.getGL2().glCompileShaderARB(state._geometryShaderID);
gl.getGL2()
.glGetObjectParameterivARB(
state._geometryShaderID, GL2.GL_OBJECT_COMPILE_STATUS_ARB, compiled);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glCompileShader(state._geometryShaderID);
gl.getGL2ES2()
.glGetShaderiv(state._geometryShaderID, GL2ES2.GL_COMPILE_STATUS, compiled);
}
}
checkProgramError(compiled.get(0), state._geometryShaderID, state._geometryShaderName);
// Attach the program
if (gl.isGL2()) {
gl.getGL2().glAttachObjectARB(state._programID, state._geometryShaderID);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glAttachShader(state._programID, state._geometryShaderID);
}
}
} else if (state._geometryShaderID != -1) {
removeGeomShader(state);
state._geometryShaderID = -1;
}
}
if (caps.isTessellationShadersSupported()) {
if (state.getTessellationControlShader() != null) {
if (state._tessellationControlShaderID != -1) {
removeTessControlShader(state);
}
if (gl.isGL2()) {
state._tessellationControlShaderID =
gl.getGL2().glCreateShaderObjectARB(GL4.GL_TESS_CONTROL_SHADER);
} else {
if (gl.isGL2ES2()) {
state._tessellationControlShaderID =
gl.getGL2ES2().glCreateShader(GL4.GL_TESS_CONTROL_SHADER);
}
}
// Create the sources
final byte array[] = new byte[state.getTessellationControlShader().limit()];
state.getTessellationControlShader().rewind();
state.getTessellationControlShader().get(array);
if (gl.isGL2()) {
gl.getGL2()
.glShaderSourceARB(
state._tessellationControlShaderID,
1,
new String[] {new String(array)},
new int[] {array.length},
0);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2()
.glShaderSource(
state._tessellationControlShaderID,
1,
new String[] {new String(array)},
new int[] {array.length},
0);
}
}
// Compile the tessellation control shader
final JoglRenderContext context = (JoglRenderContext) ContextManager.getCurrentContext();
final IntBuffer compiled = context.getDirectNioBuffersSet().getSingleIntBuffer();
compiled.clear();
if (gl.isGL2()) {
gl.getGL2().glCompileShaderARB(state._tessellationControlShaderID);
gl.getGL2()
.glGetObjectParameterivARB(
state._tessellationControlShaderID, GL2.GL_OBJECT_COMPILE_STATUS_ARB, compiled);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glCompileShader(state._tessellationControlShaderID);
gl.getGL2ES2()
.glGetShaderiv(
state._tessellationControlShaderID, GL2ES2.GL_COMPILE_STATUS, compiled);
}
}
checkProgramError(
compiled.get(0),
state._tessellationControlShaderID,
state._tessellationControlShaderName);
// Attach the program
if (gl.isGL2()) {
gl.getGL2().glAttachObjectARB(state._programID, state._tessellationControlShaderID);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glAttachShader(state._programID, state._tessellationControlShaderID);
}
}
} else if (state._tessellationControlShaderID != -1) {
removeTessControlShader(state);
state._tessellationControlShaderID = -1;
}
if (state.getTessellationEvaluationShader() != null) {
if (state._tessellationEvaluationShaderID != -1) {
removeTessEvalShader(state);
}
if (gl.isGL2()) {
state._tessellationEvaluationShaderID =
gl.getGL2().glCreateShaderObjectARB(GL4.GL_TESS_CONTROL_SHADER);
} else {
if (gl.isGL2ES2()) {
state._tessellationEvaluationShaderID =
gl.getGL2ES2().glCreateShader(GL4.GL_TESS_CONTROL_SHADER);
}
}
// Create the sources
final byte array[] = new byte[state.getTessellationEvaluationShader().limit()];
state.getTessellationEvaluationShader().rewind();
state.getTessellationEvaluationShader().get(array);
if (gl.isGL2()) {
gl.getGL2()
.glShaderSourceARB(
state._tessellationEvaluationShaderID,
1,
new String[] {new String(array)},
new int[] {array.length},
0);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2()
.glShaderSource(
state._tessellationEvaluationShaderID,
1,
new String[] {new String(array)},
new int[] {array.length},
0);
}
}
// Compile the tessellation control shader
final JoglRenderContext context = (JoglRenderContext) ContextManager.getCurrentContext();
final IntBuffer compiled = context.getDirectNioBuffersSet().getSingleIntBuffer();
compiled.clear();
if (gl.isGL2()) {
gl.getGL2().glCompileShaderARB(state._tessellationEvaluationShaderID);
gl.getGL2()
.glGetObjectParameterivARB(
state._tessellationEvaluationShaderID,
GL2.GL_OBJECT_COMPILE_STATUS_ARB,
compiled);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glCompileShader(state._tessellationEvaluationShaderID);
gl.getGL2ES2()
.glGetShaderiv(
state._tessellationEvaluationShaderID, GL2ES2.GL_COMPILE_STATUS, compiled);
}
}
checkProgramError(
compiled.get(0),
state._tessellationEvaluationShaderID,
state._tessellationEvaluationShaderName);
// Attach the program
if (gl.isGL2()) {
gl.getGL2().glAttachObjectARB(state._programID, state._tessellationEvaluationShaderID);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glAttachShader(state._programID, state._tessellationEvaluationShaderID);
}
}
} else if (state._tessellationEvaluationShaderID != -1) {
removeTessEvalShader(state);
state._tessellationEvaluationShaderID = -1;
}
}
if (gl.isGL2()) {
gl.getGL2().glLinkProgramARB(state._programID);
} else {
if (gl.isGL2ES2()) {
gl.getGL2ES2().glLinkProgram(state._programID);
}
}
checkLinkError(state._programID);
state.setNeedsRefresh(true);
state._needSendShader = false;
}
public static void apply(final JoglRenderer renderer, final VertexProgramState state) {
final GL gl = GLU.getCurrentGL();
final RenderContext context = ContextManager.getCurrentContext();
final ContextCapabilities caps = context.getCapabilities();
if (caps.isVertexProgramSupported()) {
// ask for the current state record
final VertexProgramStateRecord record =
(VertexProgramStateRecord) context.getStateRecord(StateType.VertexProgram);
context.setCurrentState(StateType.VertexProgram, state);
if (!record.isValid() || record.getReference() != state) {
record.setReference(state);
if (state.isEnabled()) {
// Vertex program not yet loaded
if (state._getProgramID() == -1) {
if (state.getProgramAsBuffer() != null) {
final int id = create(state.getProgramAsBuffer());
state._setProgramID(id);
} else {
return;
}
}
gl.glEnable(GL.GL_VERTEX_PROGRAM_ARB);
gl.glBindProgramARB(GL.GL_VERTEX_PROGRAM_ARB, state._getProgramID());
// load environmental parameters...
for (int i = 0; i < VertexProgramState._getEnvParameters().length; i++) {
if (VertexProgramState._getEnvParameters()[i] != null) {
gl.glProgramEnvParameter4fARB(
GL.GL_VERTEX_PROGRAM_ARB,
i,
VertexProgramState._getEnvParameters()[i][0],
VertexProgramState._getEnvParameters()[i][1],
VertexProgramState._getEnvParameters()[i][2],
VertexProgramState._getEnvParameters()[i][3]);
}
}
// load local parameters...
if (state.isUsingParameters()) {
// no parameters are used
for (int i = 0; i < state._getParameters().length; i++) {
if (state._getParameters()[i] != null) {
gl.glProgramLocalParameter4fARB(
GL.GL_VERTEX_PROGRAM_ARB,
i,
state._getParameters()[i][0],
state._getParameters()[i][1],
state._getParameters()[i][2],
state._getParameters()[i][3]);
}
}
}
} else {
gl.glDisable(GL.GL_VERTEX_PROGRAM_ARB);
}
}
if (!record.isValid()) {
record.validate();
}
}
}
/**
* Initialize texture renderers. Load water textures. Create shaders.
*
* @param r
*/
private void initialize(final Renderer r) {
if (cam == null || initialized) {
return;
}
initialized = true;
final ContextCapabilities caps = ContextManager.getCurrentContext().getCapabilities();
if (useRefraction && useProjectedShader && caps.getNumberOfFragmentTextureUnits() < 6
|| useRefraction && caps.getNumberOfFragmentTextureUnits() < 5) {
useRefraction = false;
logger.info("Not enough textureunits, falling back to non refraction water");
}
if (!caps.isGLSLSupported()) {
supported = false;
}
if (!(caps.isPbufferSupported() || caps.isFBOSupported())) {
supported = false;
}
if (isSupported()) {
tRenderer =
TextureRendererFactory.INSTANCE.createTextureRenderer( //
cam.getWidth() / renderScale, // width
cam.getHeight() / renderScale, // height
8, // Depth bits... TODO: Make configurable?
0, // Samples... TODO: Make configurable?
r,
caps);
// blurSampleDistance = 1f / ((float) cam.getHeight() / renderScale);
tRenderer.setMultipleTargets(true);
tRenderer.setBackgroundColor(new ColorRGBA(0.0f, 0.0f, 0.0f, 1.0f));
tRenderer
.getCamera()
.setFrustum(
cam.getFrustumNear(),
cam.getFrustumFar(),
cam.getFrustumLeft(),
cam.getFrustumRight(),
cam.getFrustumTop(),
cam.getFrustumBottom());
textureState = new TextureState();
textureState.setEnabled(true);
setupTextures();
fullScreenQuad = new Quad("FullScreenQuad", cam.getWidth() / 4, cam.getHeight() / 4);
fullScreenQuad.setTranslation(cam.getWidth() / 2, cam.getHeight() / 2, 0);
fullScreenQuad.getSceneHints().setRenderBucketType(RenderBucketType.Ortho);
fullScreenQuad.getSceneHints().setCullHint(CullHint.Never);
fullScreenQuad.getSceneHints().setTextureCombineMode(TextureCombineMode.Replace);
fullScreenQuad.getSceneHints().setLightCombineMode(LightCombineMode.Off);
final TextureState ts = new TextureState();
ts.setTexture(textureReflect);
fullScreenQuad.setRenderState(ts);
fullScreenQuad.setRenderState(blurShaderVertical);
fullScreenQuad.updateWorldRenderStates(false);
}
if (!isSupported()) {
createFallbackData();
} else {
noFog = new FogState();
noFog.setEnabled(false);
}
getSceneHints().setCullHint(CullHint.Never);
setWaterEffectOnSpatial(this);
}
public void cleanup() {
ContextManager.removeContext(_pbuffer);
_pbuffer.destroy();
}
@Override
public void render(final Renderer renderer) {
// Grab our render context - used to enforce renderstates
final RenderContext context = ContextManager.getCurrentContext();
// go through our bucket contents
Spatial spatial;
for (int i = 0; i < _currentListSize; i++) {
spatial = _currentList[i];
// make sure we have a real spatial
if (spatial == null) {
continue;
}
// we only care about altering the Mesh... perhaps could be altered later to some interface
// shared by Mesh
// and other leaf nodes.
if (spatial instanceof Mesh) {
// get our transparency rendering type.
final TransparencyType renderType = spatial.getSceneHints().getTransparencyType();
// check for one of the two pass types...
if (renderType != TransparencyType.OnePass) {
// get handle to Mesh
final Mesh mesh = (Mesh) spatial;
// check if we have a Cull state set or enforced. If one is explicitly set and is not
// Face.None,
// we'll not do two-pass transparency.
RenderState setState =
context.hasEnforcedStates() ? context.getEnforcedState(StateType.Cull) : null;
if (setState == null) {
setState = mesh.getWorldRenderState(RenderState.StateType.Cull);
}
// Do the described check.
if (setState == null || ((CullState) setState).getCullFace() == Face.None) {
// pull any currently enforced cull or zstate. We'll put them back afterwards
final RenderState oldCullState = context.getEnforcedState(StateType.Cull);
final RenderState oldZState = context.getEnforcedState(StateType.ZBuffer);
// enforce our cull and zstate. The zstate is setup to respect depth, but not write to
// it.
context.enforceState(_tranparentCull);
context.enforceState(_transparentZBuff);
// first render back-facing tris only
_tranparentCull.setCullFace(CullState.Face.Front);
mesh.draw(renderer);
// revert z state
context.clearEnforcedState(StateType.ZBuffer);
if (oldZState != null) {
context.enforceState(oldZState);
}
// render front-facing tris
_tranparentCull.setCullFace(CullState.Face.Back);
mesh.draw(renderer);
// revert cull state
if (oldCullState != null) {
context.enforceState(oldCullState);
} else {
context.clearEnforcedState(StateType.Cull);
}
continue;
}
}
}
// go ahead and draw as usual
spatial.draw(renderer);
}
}
