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Introduced a deferred task list for the OpenGL thread.

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This commit is contained in:
Thomas Harte 2017-02-19 21:46:07 -05:00
parent fccdce65b9
commit d979a822ac
1 changed files with 18 additions and 1 deletions
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19
Outputs/CRT/CRT.hpp
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@ -81,10 +81,19 @@ class CRT {
uint16_t x1, y;
} output_run_;
// The delegate
// the delegate
Delegate *delegate_;
unsigned int frames_since_last_delegate_call_;
// queued tasks for the OpenGL queue; performed before the next draw
std::mutex function_mutex_;
std::vector<std::function<void(void)>> enqueued_openGL_functions_;
inline void enqueue_openGL_function(const std::function<void(void)> &function)
{
std::lock_guard<std::mutex> function_guard(function_mutex_);
enqueued_openGL_functions_.push_back(function);
}
public:
/*! Constructs the CRT with a specified clock rate, height and colour subcarrier frequency.
The requested number of buffers, each with the requested number of bytes per pixel,
@ -204,6 +213,14 @@ class CRT {
*/
inline void draw_frame(unsigned int output_width, unsigned int output_height, bool only_if_dirty)
{
{
std::lock_guard<std::mutex> function_guard(function_mutex_);
for(std::function<void(void)> function : enqueued_openGL_functions_)
{
function();
}
enqueued_openGL_functions_.clear();
}
openGL_output_builder_.draw_frame(output_width, output_height, only_if_dirty);
}