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Makes more buffer-specific stuff private.

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This commit is contained in:
Thomas Harte 2020-07-23 23:06:14 -04:00
parent e260f92988
commit ee1d7eb61f
2 changed files with 26 additions and 24 deletions
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2
OSBindings/Mac/Clock Signal.xcodeproj/xcshareddata/xcschemes/Clock Signal.xcscheme
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@ -67,7 +67,7 @@
</Testables>
</TestAction>
<LaunchAction
buildConfiguration = "Debug"
buildConfiguration = "Release"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
enableASanStackUseAfterReturn = "YES"

48
Outputs/ScanTargets/BufferingScanTarget.hpp
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@ -44,6 +44,12 @@ class BufferingScanTarget: public Outputs::Display::ScanTarget {
const Metrics &display_metrics();
protected:
static constexpr int WriteAreaWidth = 2048;
static constexpr int WriteAreaHeight = 2048;
static constexpr int LineBufferWidth = 2048;
static constexpr int LineBufferHeight = 2048;
BufferingScanTarget();
// Extends the definition of a Scan to include two extra fields,
@ -92,10 +98,6 @@ class BufferingScanTarget: public Outputs::Display::ScanTarget {
Modals modals_;
bool modals_are_dirty_ = false;
// Track allocation failures.
bool data_is_allocated_ = false;
bool allocation_has_failed_ = false;
/// Maintains a buffer of the most recent scans.
// TODO: have the owner supply a buffer and its size.
// That'll allow owners to place this in shared video memory if possible.
@ -119,27 +121,8 @@ class BufferingScanTarget: public Outputs::Display::ScanTarget {
/// A pointer to the first thing not yet submitted for display.
std::atomic<PointerSet> read_pointers_;
// Ephemeral state that helps in line composition.
Line *active_line_ = nullptr;
int provided_scans_ = 0;
bool is_first_in_frame_ = true;
bool frame_is_complete_ = true;
bool previous_frame_was_complete_ = true;
// Ephemeral information for the begin/end functions.
Scan *vended_scan_ = nullptr;
int vended_write_area_pointer_ = 0;
static constexpr int WriteAreaWidth = 2048;
static constexpr int WriteAreaHeight = 2048;
static constexpr int LineBufferWidth = 2048;
static constexpr int LineBufferHeight = 2048;
Metrics display_metrics_;
bool output_is_visible_ = false;
std::array<Line, LineBufferHeight> line_buffer_;
std::array<LineMetadata, LineBufferHeight> line_metadata_buffer_;
@ -170,6 +153,25 @@ class BufferingScanTarget: public Outputs::Display::ScanTarget {
// Uses a texture to vend write areas.
uint8_t *write_area_ = nullptr;
size_t data_type_size_ = 0;
// Tracks changes in raster visibility in order to populate
// Lines and LineMetadatas.
bool output_is_visible_ = false;
// Track allocation failures.
bool data_is_allocated_ = false;
bool allocation_has_failed_ = false;
// Ephemeral information for the begin/end functions.
Scan *vended_scan_ = nullptr;
int vended_write_area_pointer_ = 0;
// Ephemeral state that helps in line composition.
Line *active_line_ = nullptr;
int provided_scans_ = 0;
bool is_first_in_frame_ = true;
bool frame_is_complete_ = true;
bool previous_frame_was_complete_ = true;
};