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Permits multiple simultaneous scan reading ranges.

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Also updates the OpenGL scan target as per the latest movements of things.
This commit is contained in:
Thomas Harte
2020-08-12 22:08:41 -04:00
parent 27ca782cac
commit 230b9fc9e6
5 changed files with 82 additions and 48 deletions
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Outputs/OpenGL/ScanTarget.cpp
+7 -3
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@@ -118,8 +118,9 @@ void ScanTarget::setup_pipeline() {
const auto data_type_size = Outputs::Display::size_for_data_type(modals.input_data_type);
// Resize the texture only if required.
if(data_type_size != write_area_data_size()) {
write_area_texture_.resize(WriteAreaWidth*WriteAreaHeight*data_type_size);
const size_t required_size = WriteAreaWidth*WriteAreaHeight*data_type_size;
if(required_size != write_area_data_size()) {
write_area_texture_.resize(required_size);
set_write_area(write_area_texture_.data());
}
@@ -186,7 +187,9 @@ void ScanTarget::update(int, int output_height) {
true);
// Grab the new output list.
perform([=] (const OutputArea &area) {
perform([=] {
OutputArea area = get_output_area();
// Establish the pipeline if necessary.
const auto new_modals = BufferingScanTarget::new_modals();
const bool did_setup_pipeline = bool(new_modals);
@@ -478,6 +481,7 @@ void ScanTarget::update(int, int output_height) {
// Grab a fence sync object to avoid busy waiting upon the next extry into this
// function, and reset the is_updating_ flag.
fence_ = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
complete_output_area(area);
});
}