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perf: oiiotool --line --text --point --box speedups #4518

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merged 3 commits into from
Nov 12, 2024
Merged

perf: oiiotool --line --text --point --box speedups #4518

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fca9a0d
perf: oiiotool --line --text --point --box speedups
lgritz Oct 31, 2024
bdf79df
Amendment - the copy is not necessary
lgritz Nov 7, 2024
1b1cf4d
One more unnecessary copy eliminated
lgritz Nov 8, 2024
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32 changes: 24 additions & 8 deletions src/oiiotool/oiiotool.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,18 @@ using pvt::print_info_options;
op(); \
}

// Lke OIIOTOOL_OP, but designate the op as "inplace" -- which means it
// uses the input image itself as the destination.
#define OIIOTOOL_INPLACE_OP(name, ninputs, ...) \
static void action_##name(Oiiotool& ot, cspan<const char*> argv) \
{ \
if (ot.postpone_callback(ninputs, action_##name, argv)) \
return; \
OiiotoolOp op(ot, "-" #name, argv, ninputs, __VA_ARGS__); \
op.inplace(true); \
op(); \
}

// Canned setup for an op that uses one image on the stack.
#define UNARY_IMAGE_OP(name, impl) \
OIIOTOOL_OP(name, 1, [](OiiotoolOp& op, span<ImageBuf*> img) { \
Expand Down Expand Up @@ -4940,8 +4952,9 @@ OIIOTOOL_OP(contrast, 1, [&](OiiotoolOp& op, span<ImageBuf*> img) {

// --box
// clang-format off
OIIOTOOL_OP(box, 1, nullptr, ([&](OiiotoolOp& op, span<ImageBuf*> img) {
img[0]->copy(*img[1]);
OIIOTOOL_INPLACE_OP(box, 1, nullptr, ([&](OiiotoolOp& op, span<ImageBuf*> img) {
OIIO_ASSERT(img[0] == img[1]); // Assume we're operating in-place
// img[0]->copy(*img[1]); // what we'd do if we weren't in-place
const ImageSpec& Rspec(img[0]->spec());
int x1, y1, x2, y2;
string_view s(op.args(1));
Expand All @@ -4963,8 +4976,9 @@ OIIOTOOL_OP(box, 1, nullptr, ([&](OiiotoolOp& op, span<ImageBuf*> img) {


// --line
OIIOTOOL_OP(line, 1, [&](OiiotoolOp& op, span<ImageBuf*> img) {
img[0]->copy(*img[1]);
OIIOTOOL_INPLACE_OP(line, 1, [&](OiiotoolOp& op, span<ImageBuf*> img) {
OIIO_ASSERT(img[0] == img[1]); // Assume we're operating in-place
// img[0]->copy(*img[1]); // what we'd do if we weren't in-place
const ImageSpec& Rspec(img[0]->spec());
std::vector<int> points;
Strutil::extract_from_list_string(points, op.args(1));
Expand All @@ -4983,8 +4997,9 @@ OIIOTOOL_OP(line, 1, [&](OiiotoolOp& op, span<ImageBuf*> img) {


// --point
OIIOTOOL_OP(point, 1, [&](OiiotoolOp& op, span<ImageBuf*> img) {
img[0]->copy(*img[1]);
OIIOTOOL_INPLACE_OP(point, 1, [&](OiiotoolOp& op, span<ImageBuf*> img) {
OIIO_ASSERT(img[0] == img[1]); // Assume we're operating in-place
// img[0]->copy(*img[1]); // what we'd do if we weren't in-place
const ImageSpec& Rspec(img[0]->spec());
std::vector<int> points;
Strutil::extract_from_list_string(points, op.args(1));
Expand All @@ -5000,8 +5015,9 @@ OIIOTOOL_OP(point, 1, [&](OiiotoolOp& op, span<ImageBuf*> img) {


// --text
OIIOTOOL_OP(text, 1, [&](OiiotoolOp& op, span<ImageBuf*> img) {
img[0]->copy(*img[1]);
OIIOTOOL_INPLACE_OP(text, 1, [&](OiiotoolOp& op, span<ImageBuf*> img) {
OIIO_ASSERT(img[0] == img[1]); // Assume we're operating in-place
// img[0]->copy(*img[1]); // what we'd do if we weren't in-place
const ImageSpec& Rspec(img[0]->spec());
int x = op.options().get_int("x", Rspec.x + Rspec.width / 2);
int y = op.options().get_int("y", Rspec.y + Rspec.height / 2);
Expand Down
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