static inline void
dumpArbProgram(StateWriter &writer, Context &context, GLenum target)
{
if (context.ES ||
context.core ||
!glIsEnabled(target)) {
return;
}
GLint program_length = 0;
glGetProgramivARB(target, GL_PROGRAM_LENGTH_ARB, &program_length);
if (!program_length) {
return;
}
GLchar *source = new GLchar[program_length + 1];
source[0] = 0;
glGetProgramStringARB(target, GL_PROGRAM_STRING_ARB, source);
source[program_length] = 0;
writer.beginMember(enumToString(target));
writer.writeString(source);
writer.endMember();
delete [] source;
}
DataArrayCommand::DataArrayCommand(DataType _type, double _coef, double _defaultValue){
type = _type;
name = enumToString(type);
values = gcnew List<List<String^>^>();
coef = _coef;
defaultValue = _defaultValue;
}
/**
* Dump the image of the currently bound read buffer.
*/
static inline void
dumpReadBufferImage(JSONWriter &json, GLint width, GLint height, GLenum format,
GLint internalFormat = GL_NONE)
{
GLint channels = _gl_format_channels(format);
if (internalFormat == GL_NONE) {
internalFormat = format;
}
Context context;
json.beginObject();
// Tell the GUI this is no ordinary object, but an image
json.writeStringMember("__class__", "image");
json.writeNumberMember("__width__", width);
json.writeNumberMember("__height__", height);
json.writeNumberMember("__depth__", 1);
json.writeStringMember("__format__", enumToString(internalFormat));
// Hardcoded for now, but we could chose types more adequate to the
// texture internal format
json.writeStringMember("__type__", "uint8");
json.writeBoolMember("__normalized__", true);
json.writeNumberMember("__channels__", channels);
GLenum type = GL_UNSIGNED_BYTE;
#if DEPTH_AS_RGBA
if (format == GL_DEPTH_COMPONENT) {
type = GL_UNSIGNED_INT;
channels = 4;
}
#endif
GLubyte *pixels = new GLubyte[width*height*channels];
// TODO: reset imaging state too
context.resetPixelPackState();
glReadPixels(0, 0, width, height, format, type, pixels);
context.restorePixelPackState();
json.beginMember("__data__");
char *pngBuffer;
int pngBufferSize;
image::writePixelsToBuffer(pixels, width, height, channels, true, &pngBuffer, &pngBufferSize);
//std::cerr <<" Before = "<<(width * height * channels * sizeof *pixels)
// <<", after = "<<pngBufferSize << ", ratio = " << double(width * height * channels * sizeof *pixels)/pngBufferSize;
json.writeBase64(pngBuffer, pngBufferSize);
free(pngBuffer);
json.endMember(); // __data__
delete [] pixels;
json.endObject();
}
static void
getShaderSource(ShaderMap &shaderMap, GLuint shader)
{
if (!shader) {
return;
}
GLint shader_type = 0;
glGetShaderiv(shader, GL_SHADER_TYPE, &shader_type);
if (!shader_type) {
return;
}
GLint source_length = 0;
glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &source_length);
if (!source_length) {
return;
}
GLchar *source = new GLchar[source_length];
GLsizei length = 0;
source[0] = 0;
glGetShaderSource(shader, source_length, &length, source);
shaderMap[enumToString(shader_type)] += source;
delete [] source;
}
void dumpCurrentContext(std::ostream &os)
{
JSONWriter json(os);
#ifndef NDEBUG
GLint old_bindings[NUM_BINDINGS];
for (unsigned i = 0; i < NUM_BINDINGS; ++i) {
old_bindings[i] = 0;
glGetIntegerv(bindings[i], &old_bindings[i]);
}
#endif
dumpParameters(json);
dumpShaders(json);
dumpTextures(json);
dumpFramebuffer(json);
#ifndef NDEBUG
for (unsigned i = 0; i < NUM_BINDINGS; ++i) {
GLint new_binding = 0;
glGetIntegerv(bindings[i], &new_binding);
if (new_binding != old_bindings[i]) {
std::cerr << "warning: " << enumToString(bindings[i]) << " was clobbered\n";
}
}
#endif
}
static void
dumpShader(JSONWriter &json, GLuint shader)
{
if (!shader) {
return;
}
GLint shader_type = 0;
glGetShaderiv(shader, GL_SHADER_TYPE, &shader_type);
if (!shader_type) {
return;
}
GLint source_length = 0;
glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &source_length);
if (!source_length) {
return;
}
GLchar *source = new GLchar[source_length];
GLsizei length = 0;
source[0] = 0;
glGetShaderSource(shader, source_length, &length, source);
json.beginMember(enumToString(shader_type));
json.writeString(source);
json.endMember();
delete [] source;
}
static void
dumpShaderObj(JSONWriter &json, GLhandleARB shaderObj)
{
if (!shaderObj) {
return;
}
GLint shader_type = 0;
glGetObjectParameterivARB(shaderObj, GL_OBJECT_TYPE_ARB, &shader_type);
if (!shader_type) {
return;
}
GLint source_length = 0;
glGetObjectParameterivARB(shaderObj, GL_OBJECT_SHADER_SOURCE_LENGTH_ARB, &source_length);
if (!source_length) {
return;
}
GLcharARB *source = new GLcharARB[source_length];
GLsizei length = 0;
source[0] = 0;
glGetShaderSource(shaderObj, source_length, &length, source);
json.beginMember(enumToString(shader_type));
json.writeString(source);
json.endMember();
delete [] source;
}
QVariant ConnectionTesterModel::data(const QModelIndex &index, int role) const
{
if (index.row() < 0 || index.row() >= m_rows.size())
{
return QVariant();
}
const RowData &data = m_rows.at(index.row());
switch (role)
{
case TestNameRole:
{
switch (data.testType)
{
case ConnectionTester::ActiveInterface:
return tr("Online state");
case ConnectionTester::DefaultGateway:
return tr("Gateway");
case ConnectionTester::DefaultDns:
return tr("DNS");
case ConnectionTester::PingDefaultGateway:
return tr("Access Gateway");
case ConnectionTester::PingGoogleDnsServer:
return tr("Access IP");
case ConnectionTester::PingGoogleDomain:
return tr("Access Google");
default:
break;
}
}
return enumToString(ConnectionTester, TestType, data.testType);
case TestTypeRole:
return (int)data.testType;
case TestFinishedRole:
return QVariant::fromValue(data.finished);
case TestResultRole:
return data.result;
case TestSuccessRole:
return QVariant::fromValue(data.success);
default:
break;
}
return QVariant();
}
/**
* Special path to obtain texture size on OpenGL ES, that does not rely on
* glGetTexLevelParameteriv
*/
static bool
getActiveTextureLevelDescOES(Context &context, GLenum target, GLint level, ImageDesc &desc)
{
if (target == GL_TEXTURE_1D) {
// OpenGL ES does not support 1D textures
return false;
}
const GLint size[3] = {1, 1, 1};
if (!probeTextureLevelSizeOES(target, level, size)) {
return false;
}
// XXX: mere guess
desc.internalFormat = GL_RGBA;
GLint maxSize = 0;
switch (target) {
case GL_TEXTURE_2D:
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxSize);
desc.width = bisectTextureLevelSizeOES(target, level, 0, maxSize);
desc.height = bisectTextureLevelSizeOES(target, level, 1, maxSize);
desc.depth = 1;
break;
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
glGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE, &maxSize);
desc.width = bisectTextureLevelSizeOES(target, level, 0, maxSize);
desc.height = desc.width;
desc.depth = 1;
break;
case GL_TEXTURE_3D_OES:
glGetIntegerv(GL_MAX_3D_TEXTURE_SIZE_OES, &maxSize);
desc.width = bisectTextureLevelSizeOES(target, level, 0, maxSize);
desc.width = bisectTextureLevelSizeOES(target, level, 1, maxSize);
desc.depth = bisectTextureLevelSizeOES(target, level, 2, maxSize);
break;
default:
return false;
}
if (0) {
std::cerr
<< enumToString(target) << " "
<< level << " "
<< desc.width << "x" << desc.height << "x" << desc.depth
<< "\n";
}
return desc.valid();
}
/**
* Dump images of current draw drawable/window.
*/
static void
dumpDrawableImages(JSONWriter &json, Context &context)
{
GLint width, height;
if (!getDrawableBounds(&width, &height)) {
return;
}
GLint draw_buffer = GL_NONE;
if (context.ES) {
draw_buffer = GL_BACK;
} else {
glGetIntegerv(GL_DRAW_BUFFER, &draw_buffer);
glReadBuffer(draw_buffer);
}
if (draw_buffer != GL_NONE) {
GLint read_buffer = GL_NONE;
if (!context.ES) {
glGetIntegerv(GL_READ_BUFFER, &read_buffer);
}
GLint alpha_bits = 0;
#if 0
// XXX: Ignore alpha until we are able to match the traced visual
glGetIntegerv(GL_ALPHA_BITS, &alpha_bits);
#endif
GLenum format = alpha_bits ? GL_RGBA : GL_RGB;
json.beginMember(enumToString(draw_buffer));
dumpReadBufferImage(json, width, height, format);
json.endMember();
if (!context.ES) {
glReadBuffer(read_buffer);
}
}
if (!context.ES) {
GLint depth_bits = 0;
glGetIntegerv(GL_DEPTH_BITS, &depth_bits);
if (depth_bits) {
json.beginMember("GL_DEPTH_COMPONENT");
dumpReadBufferImage(json, width, height, GL_DEPTH_COMPONENT);
json.endMember();
}
GLint stencil_bits = 0;
glGetIntegerv(GL_STENCIL_BITS, &stencil_bits);
if (stencil_bits) {
json.beginMember("GL_STENCIL_INDEX");
dumpReadBufferImage(json, width, height, GL_STENCIL_INDEX);
json.endMember();
}
}
}
void
dumpEnum(JSONWriter &json, GLenum pname)
{
const char *s = enumToString(pname);
if (s) {
json.writeString(s);
} else {
json.writeInt(pname);
}
}
void
dumpEnum(StateWriter &writer, GLenum pname)
{
const char *s = enumToString(pname);
if (s) {
writer.writeString(s);
} else {
writer.writeInt(pname);
}
}
/**
* Dump the specified framebuffer attachment.
*
* In the case of a color attachment, it assumes it is already bound for read.
*/
static void
dumpFramebufferAttachment(JSONWriter &json, Context &context, GLenum target, GLenum attachment, GLenum format)
{
ImageDesc desc;
if (!getFramebufferAttachmentDesc(context, target, attachment, desc)) {
return;
}
json.beginMember(enumToString(attachment));
dumpReadBufferImage(json, desc.width, desc.height, format, desc.internalFormat);
json.endMember();
}
/**
* Dump the specified framebuffer attachment.
*
* In the case of a color attachment, it assumes it is already bound for read.
*/
static void
dumpFramebufferAttachment(JSONWriter &json, GLenum target, GLenum attachment, GLenum format)
{
GLint width = 0, height = 0;
if (!getFramebufferAttachmentSize(target, attachment, &width, &height)) {
return;
}
json.beginMember(enumToString(attachment));
dumpReadBufferImage(json, width, height, format);
json.endMember();
}
const InternalFormatDesc &
getInternalFormatDesc(GLenum internalFormat)
{
for (unsigned i = 0; i < sizeof internalFormatDescs / sizeof internalFormatDescs[0]; ++i) {
if (internalFormatDescs[i].internalFormat == internalFormat) {
return internalFormatDescs[i];
}
}
std::cerr << "warning: unexpected internalFormat " << enumToString(internalFormat) << "\n";
return defaultInternalFormatDesc;
}
void dumpCurrentContext(std::ostream &os)
{
JSONWriter json(os);
#ifndef NDEBUG
GLint old_bindings[NUM_BINDINGS];
for (unsigned i = 0; i < NUM_BINDINGS; ++i) {
old_bindings[i] = 0;
glGetIntegerv(bindings[i], &old_bindings[i]);
}
#endif
Context context;
/* Temporarily disable messages, as dumpParameters blindlessly tries to
* get state, regardless the respective extension is supported or not.
*/
GLDEBUGPROC prevDebugCallbackFunction = 0;
void *prevDebugCallbackUserParam = 0;
if (context.KHR_debug) {
glGetPointerv(GL_DEBUG_CALLBACK_FUNCTION, (GLvoid **) &prevDebugCallbackFunction);
glGetPointerv(GL_DEBUG_CALLBACK_USER_PARAM, &prevDebugCallbackUserParam);
glDebugMessageCallback(NULL, NULL);
}
dumpParameters(json, context);
// Use our own debug-message callback.
if (context.KHR_debug) {
glDebugMessageCallback(debugMessageCallback, NULL);
}
dumpShadersUniforms(json, context);
dumpTextures(json, context);
dumpFramebuffer(json, context);
#ifndef NDEBUG
for (unsigned i = 0; i < NUM_BINDINGS; ++i) {
GLint new_binding = 0;
glGetIntegerv(bindings[i], &new_binding);
if (new_binding != old_bindings[i]) {
std::cerr << "warning: " << enumToString(bindings[i]) << " was clobbered\n";
}
}
#endif
// Restore debug message callback
if (context.KHR_debug) {
glDebugMessageCallback(prevDebugCallbackFunction, prevDebugCallbackUserParam);
}
}
/**
* Sames as enumToString, but with special provision to handle luminance/alpha
* formats.
*
* OpenGL 2.1 specification states that "internalFormat may (for backwards
* compatibility with the 1.0 version of the GL) also take on the integer
* values 1, 2, 3, and 4, which are equivalent to symbolic constants LUMINANCE,
* LUMINANCE ALPHA, RGB, and RGBA respectively".
*/
const char *
formatToString(GLenum internalFormat) {
switch (internalFormat) {
case 1:
return "GL_LUMINANCE";
case 2:
return "GL_LUMINANCE_ALPHA";
case 3:
return "GL_RGB";
case 4:
return "GL_RGBA";
default:
return enumToString(internalFormat);
}
}
/**
* Dump images of current draw drawable/window.
*/
static void
dumpDrawableImages(JSONWriter &json)
{
GLint width, height;
if (!getDrawableBounds(&width, &height)) {
return;
}
GLint draw_buffer = GL_NONE;
glGetIntegerv(GL_DRAW_BUFFER, &draw_buffer);
glReadBuffer(draw_buffer);
if (draw_buffer != GL_NONE) {
GLint read_buffer = GL_NONE;
glGetIntegerv(GL_READ_BUFFER, &read_buffer);
GLint alpha_bits = 0;
glGetIntegerv(GL_ALPHA_BITS, &alpha_bits);
GLenum format = alpha_bits ? GL_RGBA : GL_RGB;
json.beginMember(enumToString(draw_buffer));
dumpReadBufferImage(json, width, height, format);
json.endMember();
glReadBuffer(read_buffer);
}
GLint depth_bits = 0;
glGetIntegerv(GL_DEPTH_BITS, &depth_bits);
if (depth_bits) {
json.beginMember("GL_DEPTH_COMPONENT");
dumpReadBufferImage(json, width, height, GL_DEPTH_COMPONENT);
json.endMember();
}
GLint stencil_bits = 0;
glGetIntegerv(GL_STENCIL_BITS, &stencil_bits);
if (stencil_bits) {
json.beginMember("GL_STENCIL_INDEX");
dumpReadBufferImage(json, width, height, GL_STENCIL_INDEX);
json.endMember();
}
}
QVariant ConnectionTesterModel::result() const
{
// Prepare upnp data
QVariantMap upnp;
QListIterator<RowData> iter(m_rows);
while (iter.hasNext())
{
const RowData &row = iter.next();
QString name = enumToString(ConnectionTester, TestType, row.testType);
name = name.replace(QRegExp("([A-Z])"), "-\\1").toLower();
name.remove(0, 1);
upnp.insert(name, row.result);
}
return upnp;
}
GLvoid *
BufferMapping::map(GLenum _target, GLuint _buffer)
{
if (target == _target && buffer == _buffer) {
return map_pointer;
}
target = _target;
buffer = _buffer;
map_pointer = NULL;
unmap = false;
BufferBinding bb(target, buffer);
// Recursive mappings of the same buffer are not allowed. And with the
// pursuit of persistent mappings for performance this will become more
// and more common.
GLint mapped = GL_FALSE;
glGetBufferParameteriv(target, GL_BUFFER_MAPPED, &mapped);
if (mapped) {
glGetBufferPointerv(target, GL_BUFFER_MAP_POINTER, &map_pointer);
assert(map_pointer != NULL);
GLint map_offset = 0;
glGetBufferParameteriv(target, GL_BUFFER_MAP_OFFSET, &map_offset);
if (map_offset != 0) {
std::cerr << "warning: " << enumToString(target) << " buffer " << buffer << " is already mapped with offset " << map_offset << "\n";
// FIXME: This most likely won't work. We should remap the
// buffer with the full range, then re-map when done. This
// should never happen in practice with persistent mappings
// though.
map_pointer = (GLubyte *)map_pointer - map_offset;
}
} else {
map_pointer = glMapBuffer(target, GL_READ_ONLY);
if (map_pointer) {
unmap = true;
}
}
return map_pointer;
}
void VotingManager::vote(const QString &id, VotingManager::VoteType voteType)
{
Q_ASSERT(m_manager != 0);
if (m_reply != 0) {
m_reply->disconnect();
m_reply->deleteLater();
m_reply = 0;
}
if (m_isBusy != true) {
m_isBusy = true;
emit busyChanged();
}
QUrl voteUrl("http://9gag.com/vote/"+ enumToString(voteType).toLower() +"/id/" + id);
m_reply = m_manager->networkManager()->createPostRequest(voteUrl, QByteArray());
m_reply->setParent(this);
connect(m_reply, SIGNAL(finished()), this, SLOT(onReplyFinished()));
}
Result UPnP::result() const
{
// List for all results
QVariantList deviceResultList;
foreach (UPnPHash resultHash, results)
{
QHashIterator<UPnP::DataType, QVariant> iter(resultHash);
// results from one interface
QVariantMap deviceResult;
while (iter.hasNext())
{
iter.next();
QString name = enumToString(UPnP, DataType, iter.key());
name = name.replace(QRegExp("([A-Z])"), "_\\1").toLower();
name.remove(0, 1);
deviceResult.insert(name, iter.value());
}
deviceResultList.append(deviceResult);
}
static inline void
dumpArbProgram(JSONWriter &json, GLenum target)
{
if (!glIsEnabled(target)) {
return;
}
GLint program_length = 0;
glGetProgramivARB(target, GL_PROGRAM_LENGTH_ARB, &program_length);
if (!program_length) {
return;
}
GLchar *source = new GLchar[program_length + 1];
source[0] = 0;
glGetProgramStringARB(target, GL_PROGRAM_STRING_ARB, source);
source[program_length] = 0;
json.beginMember(enumToString(target));
json.writeString(source);
json.endMember();
delete [] source;
}
/**
* Dump an uniform that belows to an uniform block.
*/
static void
dumpUniformBlock(StateWriter &writer,
GLint program,
GLint size,
GLenum type,
const GLchar *name,
GLuint index,
GLuint block_index)
{
GLint offset = 0;
GLint array_stride = 0;
GLint matrix_stride = 0;
GLint is_row_major = GL_FALSE;
glGetActiveUniformsiv(program, 1, &index, GL_UNIFORM_OFFSET, &offset);
glGetActiveUniformsiv(program, 1, &index, GL_UNIFORM_ARRAY_STRIDE, &array_stride);
glGetActiveUniformsiv(program, 1, &index, GL_UNIFORM_MATRIX_STRIDE, &matrix_stride);
glGetActiveUniformsiv(program, 1, &index, GL_UNIFORM_IS_ROW_MAJOR, &is_row_major);
GLint slot = -1;
glGetActiveUniformBlockiv(program, block_index, GL_UNIFORM_BLOCK_BINDING, &slot);
if (slot == -1) {
return;
}
AttribDesc desc(type, size, array_stride, matrix_stride, is_row_major);
if (!desc) {
return;
}
if (0) {
GLint active_uniform_block_max_name_length = 0;
glGetProgramiv(program, GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH, &active_uniform_block_max_name_length);
GLchar* block_name = new GLchar[active_uniform_block_max_name_length];
GLint block_data_size = 0;
glGetActiveUniformBlockiv(program, index, GL_UNIFORM_BLOCK_DATA_SIZE, &block_data_size);
GLsizei length = 0;
glGetActiveUniformBlockName(program, index, active_uniform_block_max_name_length, &length, block_name);
std::cerr
<< "uniform `" << name << "`, size " << size << ", type " << enumToString(desc.type) << "\n"
<< " block " << block_index << ", name `" << block_name << "`, size " << block_data_size << "; binding " << slot << "; \n"
<< " offset " << offset << ", array stride " << array_stride << ", matrix stride " << matrix_stride << ", row_major " << is_row_major << "\n"
;
delete [] block_name;
}
GLint ubo = 0;
glGetIntegeri_v(GL_UNIFORM_BUFFER_BINDING, slot, &ubo);
GLint start = 0;
glGetIntegeri_v(GL_UNIFORM_BUFFER_START, slot, &start);
BufferMapping mapping;
const GLbyte *raw_data = (const GLbyte *)mapping.map(GL_UNIFORM_BUFFER, ubo);
if (raw_data) {
std::string qualifiedName = resolveUniformName(name, size);
dumpAttribArray(writer, qualifiedName, desc, raw_data + start + offset);
}
}
#include "DataBlock.h"
DataBlock::DataBlock(CheckBox^ _chkBox, DataType _type) {
chkBox = _chkBox;
type = _type;
name = enumToString(type);
oldSign = ",";
newSign = ".";
}
void DataBlock::setChecked(bool checked) {
chkBox->Checked = checked;
}
bool DataBlock::isChecked() {
return chkBox->Checked;
}
void DataBlock::save(String^ time, String ^ baseFileName) {
String^ fileName = gcnew String("results/" + baseFileName + "/" + name + ".txt");
StreamWriter^ swn = gcnew StreamWriter(fileName, true);
swn->Write(time + ";" + data->Replace(oldSign, newSign));
swn->WriteLine();
swn->Close();
delete swn;
}
void DataBlock::setSeparationSign(String ^ ch) {
if (ch == ";") {
/**
* OpenGL ES does not support glGetTexImage. Obtain the pixels by attaching the
* texture to a framebuffer.
*/
static inline void
getTexImageOES(GLenum target, GLint level, ImageDesc &desc, GLubyte *pixels)
{
memset(pixels, 0x80, desc.height * desc.width * 4);
GLenum texture_binding = GL_NONE;
switch (target) {
case GL_TEXTURE_2D:
texture_binding = GL_TEXTURE_BINDING_2D;
break;
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
texture_binding = GL_TEXTURE_BINDING_CUBE_MAP;
break;
case GL_TEXTURE_3D_OES:
texture_binding = GL_TEXTURE_BINDING_3D_OES;
default:
return;
}
GLint texture = 0;
glGetIntegerv(texture_binding, &texture);
if (!texture) {
return;
}
GLint prev_fbo = 0;
GLuint fbo = 0;
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &prev_fbo);
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
GLenum status;
switch (target) {
case GL_TEXTURE_2D:
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, level);
status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE) {
std::cerr << __FUNCTION__ << ": " << enumToString(status) << "\n";
}
glReadPixels(0, 0, desc.width, desc.height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
break;
case GL_TEXTURE_3D_OES:
for (int i = 0; i < desc.depth; i++) {
glFramebufferTexture3D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_3D, texture, level, i);
glReadPixels(0, 0, desc.width, desc.height, GL_RGBA, GL_UNSIGNED_BYTE, pixels + 4 * i * desc.width * desc.height);
}
break;
}
glBindFramebuffer(GL_FRAMEBUFFER, prev_fbo);
glDeleteFramebuffers(1, &fbo);
}
void validateCast( MetadataElement::Type actualType, MetadataElement::Type targetType) {
if ( actualType!=targetType ) {
MR4C_THROW(std::runtime_error, "Illegal metadata cast attempt: " << enumToString(actualType) << " to " << enumToString(targetType));
}
}
/**
* OpenGL ES does not support glGetTexLevelParameteriv, but it is possible to
* probe whether a texture has a given size by crafting a dummy glTexSubImage()
* call.
*/
static bool
probeTextureLevelSizeOES(GLenum target, GLint level, const GLint size[3]) {
while (glGetError() != GL_NO_ERROR)
;
GLenum internalFormat = GL_RGBA;
GLenum type = GL_UNSIGNED_BYTE;
GLint dummy = 0;
switch (target) {
case GL_TEXTURE_2D:
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
glTexSubImage2D(target, level, size[0], size[1], 0, 0, internalFormat, type, &dummy);
break;
case GL_TEXTURE_3D_OES:
glTexSubImage3DOES(target, level, size[0], size[1], size[2], 0, 0, 0, internalFormat, type, &dummy);
default:
assert(0);
return false;
}
GLenum error = glGetError();
if (0) {
std::cerr << "(" << size[0] << ", " << size[1] << ", " << size[2] << ") = " << enumToString(error) << "\n";
}
if (error == GL_NO_ERROR) {
return true;
}
while (glGetError() != GL_NO_ERROR)
;
return false;
}
static inline void
dumpActiveTextureLevel(JSONWriter &json, Context &context, GLenum target, GLint level)
{
ImageDesc desc;
if (!getActiveTextureLevelDesc(context, target, level, desc)) {
return;
}
char label[512];
GLint active_texture = GL_TEXTURE0;
glGetIntegerv(GL_ACTIVE_TEXTURE, &active_texture);
snprintf(label, sizeof label, "%s, %s, level = %d",
enumToString(active_texture), enumToString(target), level);
json.beginMember(label);
json.beginObject();
GLuint channels;
GLenum format;
if (!context.ES && isDepthFormat(desc.internalFormat)) {
format = GL_DEPTH_COMPONENT;
channels = 1;
} else {
format = GL_RGBA;
channels = 4;
}
// Tell the GUI this is no ordinary object, but an image
json.writeStringMember("__class__", "image");
json.writeNumberMember("__width__", desc.width);
json.writeNumberMember("__height__", desc.height);
json.writeNumberMember("__depth__", desc.depth);
json.writeStringMember("__format__", enumToString(desc.internalFormat));
// Hardcoded for now, but we could chose types more adequate to the
// texture internal format
json.writeStringMember("__type__", "uint8");
json.writeBoolMember("__normalized__", true);
json.writeNumberMember("__channels__", channels);
GLubyte *pixels = new GLubyte[desc.depth*desc.width*desc.height*channels];
context.resetPixelPackState();
if (context.ES) {
getTexImageOES(target, level, desc, pixels);
} else {
glGetTexImage(target, level, format, GL_UNSIGNED_BYTE, pixels);
}
context.restorePixelPackState();
json.beginMember("__data__");
char *pngBuffer;
int pngBufferSize;
image::writePixelsToBuffer(pixels, desc.width, desc.height, channels, true, &pngBuffer, &pngBufferSize);
json.writeBase64(pngBuffer, pngBufferSize);
free(pngBuffer);
json.endMember(); // __data__
delete [] pixels;
json.endObject();
}
image::Image *
getDrawBufferImage() {
GLenum format = GL_RGB;
GLint channels = _gl_format_channels(format);
if (channels > 4) {
return NULL;
}
Context context;
GLenum framebuffer_binding;
GLenum framebuffer_target;
if (context.ES) {
framebuffer_binding = GL_FRAMEBUFFER_BINDING;
framebuffer_target = GL_FRAMEBUFFER;
} else {
framebuffer_binding = GL_DRAW_FRAMEBUFFER_BINDING;
framebuffer_target = GL_DRAW_FRAMEBUFFER;
}
GLint draw_framebuffer = 0;
glGetIntegerv(framebuffer_binding, &draw_framebuffer);
GLint draw_buffer = GL_NONE;
ImageDesc desc;
if (draw_framebuffer) {
if (context.ARB_draw_buffers) {
glGetIntegerv(GL_DRAW_BUFFER0, &draw_buffer);
if (draw_buffer == GL_NONE) {
return NULL;
}
}
if (!getFramebufferAttachmentDesc(context, framebuffer_target, draw_buffer, desc)) {
return NULL;
}
} else {
if (!context.ES) {
glGetIntegerv(GL_DRAW_BUFFER, &draw_buffer);
if (draw_buffer == GL_NONE) {
return NULL;
}
}
if (!getDrawableBounds(&desc.width, &desc.height)) {
return NULL;
}
desc.depth = 1;
}
GLenum type = GL_UNSIGNED_BYTE;
#if DEPTH_AS_RGBA
if (format == GL_DEPTH_COMPONENT) {
type = GL_UNSIGNED_INT;
channels = 4;
}
#endif
image::Image *image = new image::Image(desc.width, desc.height, channels, true);
if (!image) {
return NULL;
}
while (glGetError() != GL_NO_ERROR) {}
GLint read_framebuffer = 0;
GLint read_buffer = GL_NONE;
if (!context.ES) {
glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &read_framebuffer);
glBindFramebuffer(GL_READ_FRAMEBUFFER, draw_framebuffer);
glGetIntegerv(GL_READ_BUFFER, &read_buffer);
glReadBuffer(draw_buffer);
}
// TODO: reset imaging state too
context.resetPixelPackState();
glReadPixels(0, 0, desc.width, desc.height, format, type, image->pixels);
context.restorePixelPackState();
if (!context.ES) {
glReadBuffer(read_buffer);
glBindFramebuffer(GL_READ_FRAMEBUFFER, read_framebuffer);
}
GLenum error = glGetError();
if (error != GL_NO_ERROR) {
do {
std::cerr << "warning: " << enumToString(error) << " while getting snapshot\n";
error = glGetError();
} while(error != GL_NO_ERROR);
delete image;
return NULL;
}
return image;
}