// The --expr ARG command line option will take ARG that is a snipped of
// OSL source code, embed it in some boilerplate shader wrapper, compile
// it from memory, and run that in the same way that would have been done
// if it were a compiled shader on disk. The boilerplate assumes that there
// are two output parameters for the shader: color result, and float alpha.
//
// Example use:
// testshade -v -g 64 64 -o result out.exr -expr 'result=color(u,v,0);'
//
static void
specify_expr (int argc, const char *argv[])
{
ASSERT (argc == 2);
std::string shadername = OIIO::Strutil::format("expr_%d", exprcount++);
std::string sourcecode =
"shader " + shadername + " (\n"
" float s = u [[ int lockgeom=0 ]],\n"
" float t = v [[ int lockgeom=0 ]],\n"
" output color result = 0,\n"
" output float alpha = 1,\n"
" )\n"
"{\n"
" " + std::string(argv[1]) + "\n"
" ;\n"
"}\n";
if (verbose)
std::cout << "Expression-based shader text is:\n---\n"
<< sourcecode << "---\n";
set_shadingsys_options ();
compile_buffer (sourcecode, shadername);
inject_params ();
shadernames.push_back (shadername);
shadingsys->Shader ("surface", shadername, layername);
layername.clear ();
params.clear ();
}
static int
add_shader (int argc, const char *argv[])
{
shadingsys->attribute ("debug", debug2 ? 2 : (debug ? 1 : 0));
const char *opt_env = getenv ("TESTSHADE_OPT"); // overrides opt
if (opt_env)
shadingsys->attribute ("optimize", atoi(opt_env));
else if (O0 || O1 || O2)
shadingsys->attribute ("optimize", O2 ? 2 : (O1 ? 1 : 0));
shadingsys->attribute ("lockgeom", 1);
shadingsys->attribute ("debug_nan", debugnan);
shadingsys->attribute ("debug_uninit", debug_uninit);
for (int i = 0; i < argc; i++) {
inject_params ();
shadernames.push_back (argv[i]);
shadingsys->Shader ("surface", argv[i],
layername.length() ? layername.c_str() : NULL);
layername.clear ();
params.clear ();
}
return 0;
}
static void
inject_params ()
{
for (size_t p = 0; p < params.size(); ++p) {
const ParamValue &pv (params[p]);
shadingsys->Parameter (pv.name().c_str(), pv.type(), pv.data(),
pv.interp() == ParamValue::INTERP_CONSTANT);
}
}
static int
add_shader (int argc, const char *argv[])
{
ASSERT (argc == 1);
string_view shadername (argv[0]);
set_shadingsys_options ();
if (inbuffer) // Request to exercise the buffer-based API calls
shader_from_buffers (shadername);
for (int i = 0; i < argc; i++) {
inject_params ();
shadernames.push_back (shadername);
shadingsys->Shader ("surface", shadername, layername);
layername.clear ();
params.clear ();
}
return 0;
}
extern "C" int
test_shade (int argc, const char *argv[])
{
OIIO::Timer timer;
// Create a new shading system. We pass it the RendererServices
// object that services callbacks from the shading system, NULL for
// the TextureSystem (that just makes 'create' make its own TS), and
// an error handler.
shadingsys = ShadingSystem::create (&rend, NULL, &errhandler);
register_closures(shadingsys);
// Remember that each shader parameter may optionally have a
// metadata hint [[int lockgeom=...]], where 0 indicates that the
// parameter may be overridden by the geometry itself, for example
// with data interpolated from the mesh vertices, and a value of 1
// means that it is "locked" with respect to the geometry (i.e. it
// will not be overridden with interpolated or
// per-geometric-primitive data).
//
// In order to most fully optimize shader, we typically want any
// shader parameter not explicitly specified to default to being
// locked (i.e. no per-geometry override):
shadingsys->attribute("lockgeom", 1);
// Now we declare our shader.
//
// Each material in the scene is comprised of a "shader group."
// Each group is comprised of one or more "layers" (a.k.a. shader
// instances) with possible connections from outputs of
// upstream/early layers into the inputs of downstream/later layers.
// A shader instance is the combination of a reference to a shader
// master and its parameter values that may override the defaults in
// the shader source and may be particular to this instance (versus
// all the other instances of the same shader).
//
// A shader group declaration typically looks like this:
//
// ShaderGroupRef shadergroup = ss->ShaderGroupBegin ();
// ss->Parameter ("paramname", TypeDesc paramtype, void *value);
// ... and so on for all the other parameters of...
// ss->Shader ("shadertype", "shadername", "layername");
// The Shader() call creates a new instance, which gets
// all the pending Parameter() values made right before it.
// ... and other shader instances in this group, interspersed with...
// ss->ConnectShaders ("layer1", "param1", "layer2", "param2");
// ... and other connections ...
// ss->ShaderGroupEnd ();
//
// It looks so simple, and it really is, except that the way this
// testshade program works is that all the Parameter() and Shader()
// calls are done inside getargs(), as it walks through the command
// line arguments, whereas the connections accumulate and have
// to be processed at the end. Bear with us.
// Start the shader group and grab a reference to it.
ShaderGroupRef shadergroup = shadingsys->ShaderGroupBegin ();
// Get the command line arguments. That will set up all the shader
// instances and their parameters for the group.
getargs (argc, argv);
// Now set up the connections
for (size_t i = 0; i < connections.size(); i += 4) {
if (i+3 < connections.size()) {
std::cout << "Connect "
<< connections[i] << "." << connections[i+1]
<< " to " << connections[i+2] << "." << connections[i+3]
<< "\n";
shadingsys->ConnectShaders (connections[i].c_str(),
connections[i+1].c_str(),
connections[i+2].c_str(),
connections[i+3].c_str());
}
}
// End the group
shadingsys->ShaderGroupEnd ();
if (outputfiles.size() != 0)
std::cout << "\n";
// Set up the named transformations, including shader and object.
// For this test application, we just do this statically; in a real
// renderer, the global named space (like "myspace") would probably
// be static, but shader and object spaces may be different for each
// object.
setup_transformations (rend, Mshad, Mobj);
// Set up the image outputs requested on the command line
setup_output_images (shadingsys, shadergroup);
// Set up shader globals and a little test grid of points to shade.
ShaderGlobals shaderglobals;
double setuptime = timer.lap ();
// Optional: high-performance apps may request this thread-specific
// pointer in order to save a bit of time on each shade. Just like
// the name implies, a multithreaded renderer would need to do this
// separately for each thread, and be careful to always use the same
// thread_info each time for that thread.
//
// There's nothing wrong with a simpler app just passing NULL for
// the thread_info; in such a case, the ShadingSystem will do the
// necessary calls to find the thread-specific pointer itself, but
// this will degrade performance just a bit.
OSL::PerThreadInfo *thread_info = shadingsys->create_thread_info();
// Request a shading context so that we can execute the shader.
// We could get_context/release_constext for each shading point,
// but to save overhead, it's more efficient to reuse a context
// within a thread.
ShadingContext *ctx = shadingsys->get_context (thread_info);
// Allow a settable number of iterations to "render" the whole image,
// which is useful for time trials of things that would be too quick
// to accurately time for a single iteration
for (int iter = 0; iter < iters; ++iter) {
// Loop over all pixels in the image (in x and y)...
for (int y = 0, n = 0; y < yres; ++y) {
for (int x = 0; x < xres; ++x, ++n) {
// In a real renderer, this is where you would figure
// out what object point is visible in this pixel (or
// this sample, for antialiasing). Once determined,
// you'd set up a ShaderGlobals that contained the vital
// information about that point, such as its location,
// the normal there, the u and v coordinates on the
// surface, the transformation of that object, and so
// on.
//
// This test app is not a real renderer, so we just
// set it up rigged to look like we're rendering a single
// quadrilateral that exactly fills the viewport, and that
// setup is done in the following function call:
setup_shaderglobals (shaderglobals, shadingsys, x, y);
// Actually run the shader for this point
shadingsys->execute (*ctx, *shadergroup, shaderglobals);
// Save all the designated outputs. But only do so if we
// are on the last iteration requested, so that if we are
// doing a bunch of iterations for time trials, we only
// including the output pixel copying once in the timing.
if (iter == (iters - 1)) {
save_outputs (shadingsys, ctx, x, y);
}
}
}
// If any reparam was requested, do it now
if (reparams.size() && reparam_layer.size()) {
for (size_t p = 0; p < reparams.size(); ++p) {
const ParamValue &pv (reparams[p]);
shadingsys->ReParameter (*shadergroup, reparam_layer.c_str(),
pv.name().c_str(), pv.type(),
pv.data());
}
}
}
// We're done shading with this context.
shadingsys->release_context (ctx);
// Now that we're done rendering, release the thread=specific
// pointer we saved. A simple app could skip this; but if the app
// asks for it (as we have in this example), then it should also
// destroy it when done with it.
shadingsys->destroy_thread_info(thread_info);
if (outputfiles.size() == 0)
std::cout << "\n";
// Write the output images to disk
for (size_t i = 0; i < outputimgs.size(); ++i) {
if (outputimgs[i]) {
outputimgs[i]->save();
delete outputimgs[i];
outputimgs[i] = NULL;
}
}
// Print some debugging info
if (debug || stats) {
double runtime = timer.lap();
std::cout << "\n";
std::cout << "Setup: " << OIIO::Strutil::timeintervalformat (setuptime,2) << "\n";
std::cout << "Run : " << OIIO::Strutil::timeintervalformat (runtime,2) << "\n";
std::cout << "\n";
std::cout << shadingsys->getstats (5) << "\n";
}
// We're done with the shading system now, destroy it
shadergroup.reset (); // Must release this before destroying shadingsys
ShadingSystem::destroy (shadingsys);
return EXIT_SUCCESS;
}
static void
action_param (int argc, const char *argv[])
{
std::string command = argv[0];
bool use_reparam = false;
if (OIIO::Strutil::istarts_with(command, "--reparam") ||
OIIO::Strutil::istarts_with(command, "-reparam"))
use_reparam = true;
ParamValueList ¶ms (use_reparam ? reparams : (::params));
std::string paramname = argv[1];
std::string stringval = argv[2];
TypeDesc type = TypeDesc::UNKNOWN;
bool unlockgeom = false;
float f[16];
size_t pos;
while ((pos = command.find_first_of(":")) != std::string::npos) {
command = command.substr (pos+1, std::string::npos);
std::vector<std::string> splits;
OIIO::Strutil::split (command, splits, ":", 1);
if (splits.size() < 1) {}
else if (OIIO::Strutil::istarts_with(splits[0],"type="))
type.fromstring (splits[0].c_str()+5);
else if (OIIO::Strutil::istarts_with(splits[0],"lockgeom="))
unlockgeom = (strtol (splits[0].c_str()+9, NULL, 10) == 0);
}
// If it is or might be a matrix, look for 16 comma-separated floats
if ((type == TypeDesc::UNKNOWN || type == TypeDesc::TypeMatrix)
&& sscanf (stringval.c_str(),
"%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f",
&f[0], &f[1], &f[2], &f[3],
&f[4], &f[5], &f[6], &f[7], &f[8], &f[9], &f[10], &f[11],
&f[12], &f[13], &f[14], &f[15]) == 16) {
params.push_back (ParamValue());
params.back().init (paramname, TypeDesc::TypeMatrix, 1, f);
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
return;
}
// If it is or might be a vector type, look for 3 comma-separated floats
if ((type == TypeDesc::UNKNOWN || equivalent(type,TypeDesc::TypeVector))
&& sscanf (stringval.c_str(), "%g, %g, %g", &f[0], &f[1], &f[2]) == 3) {
if (type == TypeDesc::UNKNOWN)
type = TypeDesc::TypeVector;
params.push_back (ParamValue());
params.back().init (paramname, type, 1, f);
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
return;
}
// If it is or might be an int, look for an int that takes up the whole
// string.
if ((type == TypeDesc::UNKNOWN || type == TypeDesc::TypeInt)) {
char *endptr = NULL;
int ival = strtol(stringval.c_str(),&endptr,10);
if (endptr && *endptr == 0) {
params.push_back (ParamValue());
params.back().init (paramname, TypeDesc::TypeInt, 1, &ival);
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
return;
}
}
// If it is or might be an float, look for a float that takes up the
// whole string.
if ((type == TypeDesc::UNKNOWN || type == TypeDesc::TypeFloat)) {
char *endptr = NULL;
float fval = (float) strtod(stringval.c_str(),&endptr);
if (endptr && *endptr == 0) {
params.push_back (ParamValue());
params.back().init (paramname, TypeDesc::TypeFloat, 1, &fval);
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
return;
}
}
// All remaining cases -- it's a string
const char *s = stringval.c_str();
params.push_back (ParamValue());
params.back().init (paramname, TypeDesc::TypeString, 1, &s);
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
}
extern "C" OSL_DLL_EXPORT int
test_shade (int argc, const char *argv[])
{
OIIO::Timer timer;
// Create a new shading system. We pass it the RendererServices
// object that services callbacks from the shading system, NULL for
// the TextureSystem (that just makes 'create' make its own TS), and
// an error handler.
shadingsys = new ShadingSystem (&rend, NULL, &errhandler);
// Register the layout of all closures known to this renderer
// Any closure used by the shader which is not registered, or
// registered with a different number of arguments will lead
// to a runtime error.
register_closures(shadingsys);
// Remember that each shader parameter may optionally have a
// metadata hint [[int lockgeom=...]], where 0 indicates that the
// parameter may be overridden by the geometry itself, for example
// with data interpolated from the mesh vertices, and a value of 1
// means that it is "locked" with respect to the geometry (i.e. it
// will not be overridden with interpolated or
// per-geometric-primitive data).
//
// In order to most fully optimize shader, we typically want any
// shader parameter not explicitly specified to default to being
// locked (i.e. no per-geometry override):
shadingsys->attribute("lockgeom", 1);
// Now we declare our shader.
//
// Each material in the scene is comprised of a "shader group."
// Each group is comprised of one or more "layers" (a.k.a. shader
// instances) with possible connections from outputs of
// upstream/early layers into the inputs of downstream/later layers.
// A shader instance is the combination of a reference to a shader
// master and its parameter values that may override the defaults in
// the shader source and may be particular to this instance (versus
// all the other instances of the same shader).
//
// A shader group declaration typically looks like this:
//
// ShaderGroupRef shadergroup = ss->ShaderGroupBegin ();
// ss->Parameter ("paramname", TypeDesc paramtype, void *value);
// ... and so on for all the other parameters of...
// ss->Shader ("shadertype", "shadername", "layername");
// The Shader() call creates a new instance, which gets
// all the pending Parameter() values made right before it.
// ... and other shader instances in this group, interspersed with...
// ss->ConnectShaders ("layer1", "param1", "layer2", "param2");
// ... and other connections ...
// ss->ShaderGroupEnd ();
//
// It looks so simple, and it really is, except that the way this
// testshade program works is that all the Parameter() and Shader()
// calls are done inside getargs(), as it walks through the command
// line arguments, whereas the connections accumulate and have
// to be processed at the end. Bear with us.
// Start the shader group and grab a reference to it.
shadergroup = shadingsys->ShaderGroupBegin (groupname);
// Get the command line arguments. That will set up all the shader
// instances and their parameters for the group.
getargs (argc, argv);
if (! shadergroup) {
std::cerr << "ERROR: Invalid shader group. Exiting testshade.\n";
return EXIT_FAILURE;
}
shadingsys->attribute (shadergroup.get(), "groupname", groupname);
// Now set up the connections
for (size_t i = 0; i < connections.size(); i += 4) {
if (i+3 < connections.size()) {
std::cout << "Connect "
<< connections[i] << "." << connections[i+1]
<< " to " << connections[i+2] << "." << connections[i+3]
<< "\n";
shadingsys->ConnectShaders (connections[i].c_str(),
connections[i+1].c_str(),
connections[i+2].c_str(),
connections[i+3].c_str());
}
}
// End the group
shadingsys->ShaderGroupEnd ();
if (verbose || do_oslquery) {
std::string pickle;
shadingsys->getattribute (shadergroup.get(), "pickle", pickle);
std::cout << "Shader group:\n---\n" << pickle << "\n---\n";
std::cout << "\n";
ustring groupname;
shadingsys->getattribute (shadergroup.get(), "groupname", groupname);
std::cout << "Shader group \"" << groupname << "\" layers are:\n";
int num_layers = 0;
shadingsys->getattribute (shadergroup.get(), "num_layers", num_layers);
if (num_layers > 0) {
std::vector<const char *> layers (size_t(num_layers), NULL);
shadingsys->getattribute (shadergroup.get(), "layer_names",
TypeDesc(TypeDesc::STRING, num_layers),
&layers[0]);
for (int i = 0; i < num_layers; ++i) {
std::cout << " " << (layers[i] ? layers[i] : "<unnamed>") << "\n";
if (do_oslquery) {
OSLQuery q;
q.init (shadergroup.get(), i);
for (size_t p = 0; p < q.nparams(); ++p) {
const OSLQuery::Parameter *param = q.getparam(p);
std::cout << "\t" << (param->isoutput ? "output " : "")
<< param->type << ' ' << param->name << "\n";
}
}
}
}
std::cout << "\n";
}
if (archivegroup.size())
shadingsys->archive_shadergroup (shadergroup.get(), archivegroup);
if (outputfiles.size() != 0)
std::cout << "\n";
// Set up the named transformations, including shader and object.
// For this test application, we just do this statically; in a real
// renderer, the global named space (like "myspace") would probably
// be static, but shader and object spaces may be different for each
// object.
setup_transformations (rend, Mshad, Mobj);
// Set up the image outputs requested on the command line
setup_output_images (shadingsys, shadergroup);
if (debug)
test_group_attributes (shadergroup.get());
if (num_threads < 1)
num_threads = boost::thread::hardware_concurrency();
double setuptime = timer.lap ();
// Allow a settable number of iterations to "render" the whole image,
// which is useful for time trials of things that would be too quick
// to accurately time for a single iteration
for (int iter = 0; iter < iters; ++iter) {
OIIO::ROI roi (0, xres, 0, yres);
if (use_shade_image)
OSL::shade_image (*shadingsys, *shadergroup, NULL,
*outputimgs[0], outputvarnames,
pixelcenters ? ShadePixelCenters : ShadePixelGrid,
roi, num_threads);
else {
bool save = (iter == (iters-1)); // save on last iteration
#if 0
shade_region (shadergroup.get(), roi, save);
#else
OIIO::ImageBufAlgo::parallel_image (
boost::bind (shade_region, shadergroup.get(), _1, save),
roi, num_threads);
#endif
}
// If any reparam was requested, do it now
if (reparams.size() && reparam_layer.size()) {
for (size_t p = 0; p < reparams.size(); ++p) {
const ParamValue &pv (reparams[p]);
shadingsys->ReParameter (*shadergroup, reparam_layer.c_str(),
pv.name().c_str(), pv.type(),
pv.data());
}
}
}
double runtime = timer.lap();
if (outputfiles.size() == 0)
std::cout << "\n";
// Write the output images to disk
for (size_t i = 0; i < outputimgs.size(); ++i) {
if (outputimgs[i]) {
if (! print_outputs) {
std::string filename = outputimgs[i]->name();
// JPEG, GIF, and PNG images should be automatically saved
// as sRGB because they are almost certainly supposed to
// be displayed on web pages.
using namespace OIIO;
if (Strutil::iends_with (filename, ".jpg") ||
Strutil::iends_with (filename, ".jpeg") ||
Strutil::iends_with (filename, ".gif") ||
Strutil::iends_with (filename, ".png")) {
ImageBuf ccbuf;
ImageBufAlgo::colorconvert (ccbuf, *outputimgs[i],
"linear", "sRGB", false,
"", "");
ccbuf.set_write_format (outputimgs[i]->spec().format);
ccbuf.write (filename);
} else {
outputimgs[i]->write (filename);
}
}
delete outputimgs[i];
outputimgs[i] = NULL;
}
}
// Print some debugging info
if (debug || runstats || profile) {
double writetime = timer.lap();
std::cout << "\n";
std::cout << "Setup: " << OIIO::Strutil::timeintervalformat (setuptime,2) << "\n";
std::cout << "Run : " << OIIO::Strutil::timeintervalformat (runtime,2) << "\n";
std::cout << "Write: " << OIIO::Strutil::timeintervalformat (writetime,2) << "\n";
std::cout << "\n";
std::cout << shadingsys->getstats (5) << "\n";
OIIO::TextureSystem *texturesys = shadingsys->texturesys();
if (texturesys)
std::cout << texturesys->getstats (5) << "\n";
std::cout << ustring::getstats() << "\n";
}
// We're done with the shading system now, destroy it
shadergroup.reset (); // Must release this before destroying shadingsys
delete shadingsys;
return EXIT_SUCCESS;
}
extern "C" int
test_shade (int argc, const char *argv[])
{
OIIO::Timer timer;
// Create a new shading system. We pass it the RendererServices
// object that services callbacks from the shading system, NULL for
// the TextureSystem (that just makes 'create' make its own TS), and
// an error handler.
shadingsys = new ShadingSystem (&rend, NULL, &errhandler);
register_closures(shadingsys);
// Remember that each shader parameter may optionally have a
// metadata hint [[int lockgeom=...]], where 0 indicates that the
// parameter may be overridden by the geometry itself, for example
// with data interpolated from the mesh vertices, and a value of 1
// means that it is "locked" with respect to the geometry (i.e. it
// will not be overridden with interpolated or
// per-geometric-primitive data).
//
// In order to most fully optimize shader, we typically want any
// shader parameter not explicitly specified to default to being
// locked (i.e. no per-geometry override):
shadingsys->attribute("lockgeom", 1);
// Now we declare our shader.
//
// Each material in the scene is comprised of a "shader group."
// Each group is comprised of one or more "layers" (a.k.a. shader
// instances) with possible connections from outputs of
// upstream/early layers into the inputs of downstream/later layers.
// A shader instance is the combination of a reference to a shader
// master and its parameter values that may override the defaults in
// the shader source and may be particular to this instance (versus
// all the other instances of the same shader).
//
// A shader group declaration typically looks like this:
//
// ShaderGroupRef shadergroup = ss->ShaderGroupBegin ();
// ss->Parameter ("paramname", TypeDesc paramtype, void *value);
// ... and so on for all the other parameters of...
// ss->Shader ("shadertype", "shadername", "layername");
// The Shader() call creates a new instance, which gets
// all the pending Parameter() values made right before it.
// ... and other shader instances in this group, interspersed with...
// ss->ConnectShaders ("layer1", "param1", "layer2", "param2");
// ... and other connections ...
// ss->ShaderGroupEnd ();
//
// It looks so simple, and it really is, except that the way this
// testshade program works is that all the Parameter() and Shader()
// calls are done inside getargs(), as it walks through the command
// line arguments, whereas the connections accumulate and have
// to be processed at the end. Bear with us.
// Start the shader group and grab a reference to it.
ShaderGroupRef shadergroup = shadingsys->ShaderGroupBegin ();
// Get the command line arguments. That will set up all the shader
// instances and their parameters for the group.
getargs (argc, argv);
// Now set up the connections
for (size_t i = 0; i < connections.size(); i += 4) {
if (i+3 < connections.size()) {
std::cout << "Connect "
<< connections[i] << "." << connections[i+1]
<< " to " << connections[i+2] << "." << connections[i+3]
<< "\n";
shadingsys->ConnectShaders (connections[i].c_str(),
connections[i+1].c_str(),
connections[i+2].c_str(),
connections[i+3].c_str());
}
}
// End the group
shadingsys->ShaderGroupEnd ();
if (outputfiles.size() != 0)
std::cout << "\n";
// Set up the named transformations, including shader and object.
// For this test application, we just do this statically; in a real
// renderer, the global named space (like "myspace") would probably
// be static, but shader and object spaces may be different for each
// object.
setup_transformations (rend, Mshad, Mobj);
// Set up the image outputs requested on the command line
setup_output_images (shadingsys, shadergroup);
if (debug)
test_group_attributes (shadergroup.get());
if (num_threads < 1)
num_threads = boost::thread::hardware_concurrency();
double setuptime = timer.lap ();
// Allow a settable number of iterations to "render" the whole image,
// which is useful for time trials of things that would be too quick
// to accurately time for a single iteration
for (int iter = 0; iter < iters; ++iter) {
OIIO::ROI roi (0, xres, 0, yres);
bool save = (iter == (iters-1)); // save on last iteration
#if 0
shade_region (shadergroup.get(), roi, save);
#else
OIIO::ImageBufAlgo::parallel_image (
boost::bind (shade_region, shadergroup.get(), _1, save),
roi, num_threads);
#endif
// If any reparam was requested, do it now
if (reparams.size() && reparam_layer.size()) {
for (size_t p = 0; p < reparams.size(); ++p) {
const ParamValue &pv (reparams[p]);
shadingsys->ReParameter (*shadergroup, reparam_layer.c_str(),
pv.name().c_str(), pv.type(),
pv.data());
}
}
}
if (outputfiles.size() == 0)
std::cout << "\n";
// Write the output images to disk
for (size_t i = 0; i < outputimgs.size(); ++i) {
if (outputimgs[i]) {
outputimgs[i]->save();
delete outputimgs[i];
outputimgs[i] = NULL;
}
}
// Print some debugging info
if (debug || stats) {
double runtime = timer.lap();
std::cout << "\n";
std::cout << "Setup: " << OIIO::Strutil::timeintervalformat (setuptime,2) << "\n";
std::cout << "Run : " << OIIO::Strutil::timeintervalformat (runtime,2) << "\n";
std::cout << "\n";
std::cout << shadingsys->getstats (5) << "\n";
OIIO::TextureSystem *texturesys = shadingsys->texturesys();
if (texturesys)
std::cout << texturesys->getstats (5) << "\n";
std::cout << ustring::getstats() << "\n";
}
// We're done with the shading system now, destroy it
shadergroup.reset (); // Must release this before destroying shadingsys
delete shadingsys;
return EXIT_SUCCESS;
}
static void
action_param (int argc, const char *argv[])
{
std::string command = argv[0];
bool use_reparam = false;
if (OIIO::Strutil::istarts_with(command, "--reparam") ||
OIIO::Strutil::istarts_with(command, "-reparam"))
use_reparam = true;
ParamValueList ¶ms (use_reparam ? reparams : (::params));
string_view paramname (argv[1]);
string_view stringval (argv[2]);
TypeDesc type = TypeDesc::UNKNOWN;
bool unlockgeom = false;
float f[16];
size_t pos;
while ((pos = command.find_first_of(":")) != std::string::npos) {
command = command.substr (pos+1, std::string::npos);
std::vector<std::string> splits;
OIIO::Strutil::split (command, splits, ":", 1);
if (splits.size() < 1) {}
else if (OIIO::Strutil::istarts_with(splits[0],"type="))
type.fromstring (splits[0].c_str()+5);
else if (OIIO::Strutil::istarts_with(splits[0],"lockgeom="))
unlockgeom = (OIIO::Strutil::from_string<int> (splits[0]) == 0);
}
// If it is or might be a matrix, look for 16 comma-separated floats
if ((type == TypeDesc::UNKNOWN || type == TypeDesc::TypeMatrix)
&& sscanf (stringval.c_str(),
"%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f",
&f[0], &f[1], &f[2], &f[3],
&f[4], &f[5], &f[6], &f[7], &f[8], &f[9], &f[10], &f[11],
&f[12], &f[13], &f[14], &f[15]) == 16) {
#if OIIO_VERSION >= 10804
params.emplace_back (paramname, TypeDesc::TypeMatrix, 1, f);
#else
params.push_back (ParamValue());
params.back().init (paramname, TypeDesc::TypeMatrix, 1, f);
#endif
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
return;
}
// If it is or might be a vector type, look for 3 comma-separated floats
if ((type == TypeDesc::UNKNOWN || equivalent(type,TypeDesc::TypeVector))
&& sscanf (stringval.c_str(), "%g, %g, %g", &f[0], &f[1], &f[2]) == 3) {
if (type == TypeDesc::UNKNOWN)
type = TypeDesc::TypeVector;
#if OIIO_VERSION >= 10804
params.emplace_back (paramname, type, 1, f);
#else
params.push_back (ParamValue());
params.back().init (paramname, type, 1, f);
#endif
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
return;
}
// If it is or might be an int, look for an int that takes up the whole
// string.
if ((type == TypeDesc::UNKNOWN || type == TypeDesc::TypeInt)
&& OIIO::Strutil::string_is<int>(stringval)) {
#if OIIO_VERSION >= 10804
params.emplace_back (paramname, OIIO::Strutil::from_string<int>(stringval));
#else
params.push_back (ParamValue());
int i = OIIO::Strutil::from_string<int>(stringval);
params.back().init (paramname, TypeDesc::TypeInt, 1, &i);
#endif
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
return;
}
// If it is or might be an float, look for a float that takes up the
// whole string.
if ((type == TypeDesc::UNKNOWN || type == TypeDesc::TypeFloat)
&& OIIO::Strutil::string_is<float>(stringval)) {
#if OIIO_VERSION >= 10804
params.emplace_back (paramname, OIIO::Strutil::from_string<float>(stringval));
#else
params.push_back (ParamValue());
float f = OIIO::Strutil::from_string<float>(stringval);
params.back().init (paramname, TypeDesc::TypeFloat, 1, &f);
#endif
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
return;
}
// Catch-all for float types and arrays
if (type.basetype == TypeDesc::FLOAT) {
int n = type.aggregate * type.numelements();
std::vector<float> vals (n);
for (int i = 0; i < n; ++i) {
OIIO::Strutil::parse_float (stringval, vals[i]);
OIIO::Strutil::parse_char (stringval, ',');
}
#if OIIO_VERSION >= 10804
params.emplace_back (paramname, type, 1, &vals[0]);
#else
params.push_back (ParamValue());
params.back().init (paramname, type, 1, &vals[0]);
#endif
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
return;
}
// Catch-all for int types and arrays
if (type.basetype == TypeDesc::INT) {
int n = type.aggregate * type.numelements();
std::vector<int> vals (n);
for (int i = 0; i < n; ++i) {
OIIO::Strutil::parse_int (stringval, vals[i]);
OIIO::Strutil::parse_char (stringval, ',');
}
#if OIIO_VERSION >= 10804
params.emplace_back (paramname, type, 1, &vals[0]);
#else
params.push_back (ParamValue());
params.back().init (paramname, type, 1, &vals[0]);
#endif
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
return;
}
// String arrays are slightly tricky
if (type.basetype == TypeDesc::STRING && type.is_array()) {
std::vector<string_view> splitelements;
OIIO::Strutil::split (stringval, splitelements, ",", type.arraylen);
splitelements.resize (type.arraylen);
std::vector<ustring> strelements;
for (auto&& s : splitelements)
strelements.push_back (ustring(s));
#if OIIO_VERSION >= 10804
params.emplace_back (paramname, type, 1, &strelements[0]);
#else
params.push_back (ParamValue());
params.back().init (paramname, type, 1, &strelements[0]);
#endif
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
return;
}
// All remaining cases -- it's a string
const char *s = stringval.c_str();
#if OIIO_VERSION >= 10804
params.emplace_back (paramname, TypeDesc::TypeString, 1, &s);
#else
params.push_back (ParamValue());
params.back().init (paramname, TypeDesc::TypeString, 1, &s);
#endif
if (unlockgeom)
params.back().interp (ParamValue::INTERP_VERTEX);
}
