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Ensured the same write area can be submitted multiple times — this is actively used if a run of data overlaps a flywheel-suggested sync. Which nullifies the idea of not having a write area in the barrel, at least as soon as any one has been allocated.

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This commit is contained in:
Thomas Harte 2017-07-07 23:37:44 -04:00
parent 12f7e1b804
commit 2f90f35478
2 changed files with 2 additions and 7 deletions
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8
Outputs/CRT/Internals/TextureBuilder.cpp
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@ -39,7 +39,6 @@ TextureBuilder::TextureBuilder(size_t bytes_per_pixel, GLenum texture_unit) :
write_areas_start_y_(0),
is_full_(false),
did_submit_(false),
has_write_area_(false),
number_of_write_areas_(0) {
image_.resize(bytes_per_pixel * InputBufferBuilderWidth * InputBufferBuilderHeight);
glGenTextures(1, &texture_name_);
@ -87,7 +86,6 @@ uint8_t *TextureBuilder::allocate_write_area(size_t required_length) {
write_area_.x = starting_x + 1;
write_area_.y = starting_y;
write_area_.length = (uint16_t)required_length;
has_write_area_ = true;
return pointer_to_location(write_area_.x, write_area_.y);
}
@ -97,17 +95,16 @@ bool TextureBuilder::is_full() {
}
void TextureBuilder::retain_latest() {
if(is_full_ || !has_write_area_) return;
if(is_full_) return;
if(number_of_write_areas_ < write_areas_.size())
write_areas_[number_of_write_areas_] = write_area_;
else
write_areas_.push_back(write_area_);
number_of_write_areas_++;
has_write_area_ = false;
}
void TextureBuilder::reduce_previous_allocation_to(size_t actual_length) {
if(is_full_ || !has_write_area_) return;
if(is_full_) return;
write_area_.length = (uint16_t)actual_length;
@ -174,6 +171,5 @@ void TextureBuilder::flush(const std::function<void(const std::vector<WriteArea>
}
did_submit_ = false;
has_write_area_ = false;
number_of_write_areas_ = 0;
}

1
Outputs/CRT/Internals/TextureBuilder.hpp
View File

@ -101,7 +101,6 @@ class TextureBuilder {
size_t number_of_write_areas_;
bool is_full_;
bool did_submit_;
bool has_write_area_;
inline uint8_t *pointer_to_location(uint16_t x, uint16_t y);
// Usually: the start position for the current batch of write areas.