public void display(GLAutoDrawable drawable) {
GL gl = drawable.getGL();
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
gl.glRasterPos2i(1, 1);
gl.glDrawPixels(
dim.width,
dim.height, //
GL.GL_RGB,
GL.GL_UNSIGNED_BYTE,
pixels);
gl.glFlush();
}
static GL15 create(java.util.Set<String> ext, FunctionProvider provider) {
if (!ext.contains("OpenGL15")) return null;
GL15 funcs = new GL15(provider);
boolean supported =
checkFunctions(
funcs.BindBuffer,
funcs.DeleteBuffers,
funcs.GenBuffers,
funcs.IsBuffer,
funcs.BufferData,
funcs.BufferSubData,
funcs.GetBufferSubData,
funcs.MapBuffer,
funcs.UnmapBuffer,
funcs.GetBufferParameteriv,
funcs.GetBufferPointerv,
funcs.GenQueries,
funcs.DeleteQueries,
funcs.IsQuery,
funcs.BeginQuery,
funcs.EndQuery,
funcs.GetQueryiv,
funcs.GetQueryObjectiv,
funcs.GetQueryObjectuiv);
return GL.checkExtension("OpenGL15", funcs, supported);
}
/** Returns true if a hader compiler is available, otherwise false. */
public static boolean isShaderCompilerAvailable(final GL _gl) {
final GL2ES2 gl = _gl.getGL2ES2();
final ProfileInformation info = getProfileInformation(gl);
if (null == info.shaderCompilerAvailable) {
if (gl.isGLES2()) {
boolean queryOK = false;
try {
final byte[] param = new byte[1];
gl.glGetBooleanv(GL2ES2.GL_SHADER_COMPILER, param, 0);
final int err = gl.glGetError();
boolean v = GL.GL_NO_ERROR == err && param[0] != (byte) 0x00;
if (!v) {
final Set<Integer> bfs = getShaderBinaryFormats(gl);
if (bfs.size() == 0) {
// no supported binary formats, hence a compiler must be available!
v = true;
}
}
info.shaderCompilerAvailable = Boolean.valueOf(v);
queryOK = true;
} catch (final GLException gle) {
System.err.println("Caught exception on thread " + Thread.currentThread().getName());
gle.printStackTrace();
}
if (!queryOK) {
info.shaderCompilerAvailable = Boolean.valueOf(true);
}
} else if (gl.isGL2ES2()) {
info.shaderCompilerAvailable = new Boolean(true);
} else {
throw new GLException("Invalid OpenGL profile");
}
}
return info.shaderCompilerAvailable.booleanValue();
}
/**
* If supported, queries the natively supported shader binary formats using {@link
* GL2ES2#GL_NUM_SHADER_BINARY_FORMATS} and {@link GL2ES2#GL_SHADER_BINARY_FORMATS} via {@link
* GL2ES2#glGetIntegerv(int, int[], int)}.
*/
public static Set<Integer> getShaderBinaryFormats(final GL _gl) {
final GL2ES2 gl = _gl.getGL2ES2();
final ProfileInformation info = getProfileInformation(gl);
if (null == info.shaderBinaryFormats) {
info.shaderBinaryFormats = new HashSet<Integer>();
if (gl.isGLES2Compatible()) {
try {
final int[] param = new int[1];
gl.glGetIntegerv(GL2ES2.GL_NUM_SHADER_BINARY_FORMATS, param, 0);
final int err = gl.glGetError();
final int numFormats = GL.GL_NO_ERROR == err ? param[0] : 0;
if (numFormats > 0) {
final int[] formats = new int[numFormats];
gl.glGetIntegerv(GL2ES2.GL_SHADER_BINARY_FORMATS, formats, 0);
for (int i = 0; i < numFormats; i++) {
info.shaderBinaryFormats.add(Integer.valueOf(formats[i]));
}
}
} catch (final GLException gle) {
System.err.println("Caught exception on thread " + Thread.currentThread().getName());
gle.printStackTrace();
}
}
}
return info.shaderBinaryFormats;
}
public static boolean createAndLoadShader(
final GL _gl,
final IntBuffer shader,
final int shaderType,
final int binFormat,
final java.nio.Buffer bin,
final PrintStream verboseOut) {
final GL2ES2 gl = _gl.getGL2ES2();
int err = gl.glGetError(); // flush previous errors ..
if (err != GL.GL_NO_ERROR && null != verboseOut) {
verboseOut.println("createAndLoadShader: Pre GL Error: 0x" + Integer.toHexString(err));
}
createShader(gl, shaderType, shader);
err = gl.glGetError();
if (err != GL.GL_NO_ERROR) {
throw new GLException(
"createAndLoadShader: CreateShader failed, GL Error: 0x" + Integer.toHexString(err));
}
shaderBinary(gl, shader, binFormat, bin);
err = gl.glGetError();
if (err != GL.GL_NO_ERROR && null != verboseOut) {
verboseOut.println(
"createAndLoadShader: ShaderBinary failed, GL Error: 0x" + Integer.toHexString(err));
}
return err == GL.GL_NO_ERROR;
}
private void InitGL() {
GL.createCapabilities();
System.out.println("OpenGL: " + glGetString(GL_VERSION));
glEnable(GL13.GL_MULTISAMPLE);
glEnable(GL_DEPTH_TEST);
glViewport(0, 0, pix_width, pix_height);
}
public static boolean isProgramStatusValid(final GL _gl, final int programObj, final int name) {
final GL2ES2 gl = _gl.getGL2ES2();
final int[] ires = new int[1];
gl.glGetProgramiv(programObj, name, ires, 0);
return ires[0] == 1;
}
public static void shaderSource(final GL _gl, final int shader, final CharSequence[] source) {
final GL2ES2 gl = _gl.getGL2ES2();
if (!isShaderCompilerAvailable(_gl)) {
throw new GLException("No compiler is available");
}
final int count = (null != source) ? source.length : 0;
if (count == 0) {
throw new GLException("No sources specified");
}
final IntBuffer lengths = Buffers.newDirectIntBuffer(count);
for (int i = 0; i < count; i++) {
lengths.put(i, source[i].length());
}
if (source instanceof String[]) {
// rare case ..
gl.glShaderSource(shader, count, (String[]) source, lengths);
} else {
final String[] tmp = new String[source.length];
for (int i = source.length - 1; i >= 0; i--) {
final CharSequence csq = source[i];
if (csq instanceof String) {
// if ShaderCode.create(.. mutableStringBuilder == false )
tmp[i] = (String) csq;
} else {
// if ShaderCode.create(.. mutableStringBuilder == true )
tmp[i] = source[i].toString();
}
}
gl.glShaderSource(shader, count, tmp, lengths);
}
}
/** Array version of: {@link #glVertexAttribI2uivEXT VertexAttribI2uivEXT} */
public static void glVertexAttribI2uivEXT(int index, int[] v) {
long __functionAddress = GL.getCapabilities().glVertexAttribI2uivEXT;
if (CHECKS) {
checkFunctionAddress(__functionAddress);
checkBuffer(v, 2);
}
callPV(__functionAddress, index, v);
}
/** Array version of: {@link #glGetUniformuivEXT GetUniformuivEXT} */
public static void glGetUniformuivEXT(int program, int location, int[] params) {
long __functionAddress = GL.getCapabilities().glGetUniformuivEXT;
if (CHECKS) {
checkFunctionAddress(__functionAddress);
checkBuffer(params, 1);
}
callPV(__functionAddress, program, location, params);
}
/** Array version of: {@link #glGetVertexAttribIuivEXT GetVertexAttribIuivEXT} */
public static void glGetVertexAttribIuivEXT(int index, int pname, int[] params) {
long __functionAddress = GL.getCapabilities().glGetVertexAttribIuivEXT;
if (CHECKS) {
checkFunctionAddress(__functionAddress);
checkBuffer(params, 4);
}
callPV(__functionAddress, index, pname, params);
}
/** Array version of: {@link #glWindowPos3dvARB WindowPos3dvARB} */
public static void glWindowPos3dvARB(double[] p) {
long __functionAddress = GL.getCapabilities().glWindowPos3dvARB;
if (CHECKS) {
checkFunctionAddress(__functionAddress);
checkBuffer(p, 3);
}
callPV(__functionAddress, p);
}
/** int[] version of: {@link #glVertexAttribIPointerEXT VertexAttribIPointerEXT} */
public static void glVertexAttribIPointerEXT(
int index, int size, int type, int stride, int[] pointer) {
long __functionAddress = GL.getCapabilities().glVertexAttribIPointerEXT;
if (CHECKS) {
checkFunctionAddress(__functionAddress);
GLChecks.ensureBufferObject(GL15.GL_ARRAY_BUFFER_BINDING, false);
}
callPV(__functionAddress, index, size, type, stride, pointer);
}
static NVPixelDataRange create(java.util.Set<String> ext, FunctionProvider provider) {
if (!ext.contains("GL_NV_pixel_data_range")) return null;
NVPixelDataRange funcs = new NVPixelDataRange(provider);
boolean supported = checkFunctions(funcs.PixelDataRangeNV, funcs.FlushPixelDataRangeNV);
return GL.checkExtension("GL_NV_pixel_data_range", funcs, supported);
}
static GLX11 create(java.util.Set<String> ext, FunctionProvider provider) {
if (!ext.contains("GLX_11")) return null;
GLX11 funcs = new GLX11(provider);
boolean supported =
checkFunctions(funcs.QueryExtensionsString, funcs.GetClientString, funcs.QueryServerString);
return GL.checkExtension("GLX_11", funcs, supported);
}
private static ProfileInformation getProfileInformation(final GL gl) {
final GLContext context = gl.getContext();
context.validateCurrent();
ProfileInformation data = (ProfileInformation) context.getAttachedObject(implObjectKey);
if (data == null) {
data = new ProfileInformation();
context.attachObject(implObjectKey, data);
}
return data;
}
private void checkCompressedTextureExtensions(TextureData data) {
GL gl = GLU.getCurrentGL();
if (data.isDataCompressed()) {
switch (data.getInternalFormat()) {
case GL.GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
case GL.GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
case GL.GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case GL.GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
if (!gl.isExtensionAvailable("GL_EXT_texture_compression_s3tc")
&& !gl.isExtensionAvailable("GL_NV_texture_compression_vtc")) {
throw new GLException("DXTn compressed textures not supported by this graphics card");
}
break;
default:
// FIXME: should test availability of more texture
// compression extensions here
break;
}
}
}
public static boolean isShaderStatusValid(
final GL _gl, final int shaderObj, final int name, final PrintStream verboseOut) {
final GL2ES2 gl = _gl.getGL2ES2();
final int[] ires = new int[1];
gl.glGetShaderiv(shaderObj, name, ires, 0);
final boolean res = ires[0] == 1;
if (!res && null != verboseOut) {
verboseOut.println("Shader status invalid: " + getShaderInfoLog(gl, shaderObj));
}
return res;
}
static NVBindlessMultiDrawIndirectCount create(
java.util.Set<String> ext, FunctionProvider provider) {
if (!ext.contains("GL_NV_bindless_multi_draw_indirect_count")) return null;
NVBindlessMultiDrawIndirectCount funcs = new NVBindlessMultiDrawIndirectCount(provider);
boolean supported =
checkFunctions(
funcs.MultiDrawArraysIndirectBindlessCountNV,
funcs.MultiDrawElementsIndirectBindlessCountNV);
return GL.checkExtension("GL_NV_bindless_multi_draw_indirect_count", funcs, supported);
}
static GL12 create(java.util.Set<String> ext, FunctionProvider provider) {
if (!ext.contains("OpenGL12")) return null;
GL12 funcs = new GL12(provider);
boolean supported =
checkFunctions(
funcs.TexImage3D,
funcs.TexSubImage3D,
funcs.CopyTexSubImage3D,
funcs.DrawRangeElements);
return GL.checkExtension("OpenGL12", funcs, supported);
}
public static String getProgramInfoLog(final GL _gl, final int programObj) {
final GL2ES2 gl = _gl.getGL2ES2();
final int[] infoLogLength = new int[1];
gl.glGetProgramiv(programObj, GL2ES2.GL_INFO_LOG_LENGTH, infoLogLength, 0);
if (infoLogLength[0] == 0) {
return "(no info log)";
}
final int[] charsWritten = new int[1];
final byte[] infoLogBytes = new byte[infoLogLength[0]];
gl.glGetProgramInfoLog(programObj, infoLogLength[0], charsWritten, 0, infoLogBytes, 0);
return new String(infoLogBytes, 0, charsWritten[0]);
}
public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) {
GL gl = drawable.getGL();
gl.glViewport(0, 0, w, h);
gl.glMatrixMode(GL.GL_PROJECTION);
gl.glLoadIdentity();
gl.glOrtho(0, w, 0, h, -1.0, 1.0);
gl.glMatrixMode(GL.GL_MODELVIEW);
}
static WGLNVGPUAffinity create(java.util.Set<String> ext, FunctionProvider provider) {
if (!ext.contains("WGL_NV_gpu_affinity")) return null;
WGLNVGPUAffinity funcs = new WGLNVGPUAffinity(provider);
boolean supported =
checkFunctions(
funcs.EnumGpusNV,
funcs.EnumGpuDevicesNV,
funcs.CreateAffinityDCNV,
funcs.EnumGpusFromAffinityDCNV,
funcs.DeleteDCNV);
return GL.checkExtension("WGL_NV_gpu_affinity", funcs, supported);
}
static GLXEXTImportContext create(java.util.Set<String> ext, FunctionProvider provider) {
if (!ext.contains("GLX_EXT_import_context")) return null;
GLXEXTImportContext funcs = new GLXEXTImportContext(provider);
boolean supported =
checkFunctions(
funcs.GetCurrentDisplayEXT,
funcs.QueryContextInfoEXT,
funcs.GetContextIDEXT,
funcs.ImportContextEXT,
funcs.FreeContextEXT);
return GL.checkExtension("GLX_EXT_import_context", funcs, supported);
}
static EXTTextureInteger create(java.util.Set<String> ext, FunctionProvider provider) {
if (!ext.contains("GL_EXT_texture_integer")) return null;
EXTTextureInteger funcs = new EXTTextureInteger(provider);
boolean supported =
checkFunctions(
funcs.ClearColorIiEXT,
funcs.ClearColorIuiEXT,
funcs.TexParameterIivEXT,
funcs.TexParameterIuivEXT,
funcs.GetTexParameterIivEXT,
funcs.GetTexParameterIuivEXT);
return GL.checkExtension("GL_EXT_texture_integer", funcs, supported);
}
/**
* Performs {@link GL2ES2#glValidateProgram(int)}
*
* <p>One shall only call this method while debugging and only if all required resources by the
* shader are set.
*
* <p>Note: It is possible that a working shader program will fail validation. This has been
* experienced on NVidia APX2500 and Tegra2.
*
* @see GL2ES2#glValidateProgram(int)
*/
public static boolean isProgramExecStatusValid(
final GL _gl, final int programObj, final PrintStream verboseOut) {
final GL2ES2 gl = _gl.getGL2ES2();
gl.glValidateProgram(programObj);
if (!isProgramStatusValid(gl, programObj, GL2ES2.GL_VALIDATE_STATUS)) {
if (null != verboseOut) {
verboseOut.println(
"Program validation failed: "
+ programObj
+ "\n\t"
+ getProgramInfoLog(gl, programObj));
}
return false;
}
return true;
}
static ARBShaderSubroutine create(java.util.Set<String> ext, FunctionProvider provider) {
if (!ext.contains("GL_ARB_shader_subroutine")) return null;
ARBShaderSubroutine funcs = new ARBShaderSubroutine(provider);
boolean supported =
checkFunctions(
funcs.GetSubroutineUniformLocation,
funcs.GetSubroutineIndex,
funcs.GetActiveSubroutineUniformiv,
funcs.GetActiveSubroutineUniformName,
funcs.GetActiveSubroutineName,
funcs.UniformSubroutinesuiv,
funcs.GetUniformSubroutineuiv,
funcs.GetProgramStageiv);
return GL.checkExtension("GL_ARB_shader_subroutine", funcs, supported);
}
static WGLNVDXInterop create(java.util.Set<String> ext, FunctionProvider provider) {
if (!ext.contains("WGL_NV_DX_interop")) return null;
WGLNVDXInterop funcs = new WGLNVDXInterop(provider);
boolean supported =
checkFunctions(
funcs.DXSetResourceShareHandleNV,
funcs.DXOpenDeviceNV,
funcs.DXCloseDeviceNV,
funcs.DXRegisterObjectNV,
funcs.DXUnregisterObjectNV,
funcs.DXObjectAccessNV,
funcs.DXLockObjectsNV,
funcs.DXUnlockObjectsNV);
return GL.checkExtension("WGL_NV_DX_interop", funcs, supported);
}
public static boolean isProgramLinkStatusValid(
final GL _gl, final int programObj, final PrintStream verboseOut) {
final GL2ES2 gl = _gl.getGL2ES2();
if (!gl.glIsProgram(programObj)) {
if (null != verboseOut) {
verboseOut.println("Program name invalid: " + programObj);
}
return false;
}
if (!isProgramStatusValid(gl, programObj, GL2ES2.GL_LINK_STATUS)) {
if (null != verboseOut) {
verboseOut.println(
"Program link failed: " + programObj + "\n\t" + getProgramInfoLog(gl, programObj));
}
return false;
}
return true;
}
static GLXAMDGPUAssociation create(java.util.Set<String> ext, FunctionProvider provider) {
if (!ext.contains("GLX_AMD_gpu_association")) return null;
GLXAMDGPUAssociation funcs = new GLXAMDGPUAssociation(provider);
boolean supported =
checkFunctions(
funcs.BlitContextFramebufferAMD,
funcs.CreateAssociatedContextAMD,
funcs.CreateAssociatedContextAttribsAMD,
funcs.DeleteAssociatedContextAMD,
funcs.GetContextGPUIDAMD,
funcs.GetCurrentAssociatedContextAMD,
funcs.GetGPUIDsAMD,
funcs.GetGPUInfoAMD,
funcs.MakeAssociatedContextCurrentAMD);
return GL.checkExtension("GLX_AMD_gpu_association", funcs, supported);
}