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Switched back to broad locking for CRT updates. To eliminate one more thing.

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This commit is contained in:
Thomas Harte 2016-05-09 06:58:26 -04:00
parent 95ee2fffdb
commit a82fa31370
2 changed files with 19 additions and 3 deletions
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10
Outputs/CRT/CRT.cpp
View File

@ -279,24 +279,29 @@ void CRT::output_scan(const Scan *const scan)
*/
void CRT::output_sync(unsigned int number_of_cycles)
{
_openGL_output_builder->lock_output();
Scan scan{
.type = Scan::Type::Sync,
.number_of_cycles = number_of_cycles
};
output_scan(&scan);
_openGL_output_builder->unlock_output();
}
void CRT::output_blank(unsigned int number_of_cycles)
{
_openGL_output_builder->lock_output();
Scan scan {
.type = Scan::Type::Blank,
.number_of_cycles = number_of_cycles
};
output_scan(&scan);
_openGL_output_builder->unlock_output();
}
void CRT::output_level(unsigned int number_of_cycles)
{
_openGL_output_builder->lock_output();
Scan scan {
.type = Scan::Type::Level,
.number_of_cycles = number_of_cycles,
@ -304,10 +309,12 @@ void CRT::output_level(unsigned int number_of_cycles)
.tex_y = _openGL_output_builder->get_last_write_y_posititon()
};
output_scan(&scan);
_openGL_output_builder->unlock_output();
}
void CRT::output_colour_burst(unsigned int number_of_cycles, uint8_t phase, uint8_t amplitude)
{
_openGL_output_builder->lock_output();
Scan scan {
.type = Scan::Type::ColourBurst,
.number_of_cycles = number_of_cycles,
@ -315,10 +322,12 @@ void CRT::output_colour_burst(unsigned int number_of_cycles, uint8_t phase, uint
.amplitude = amplitude
};
output_scan(&scan);
_openGL_output_builder->unlock_output();
}
void CRT::output_data(unsigned int number_of_cycles, unsigned int source_divider)
{
_openGL_output_builder->lock_output();
if(_openGL_output_builder->reduce_previous_allocation_to(number_of_cycles / source_divider))
{
Scan scan {
@ -334,6 +343,7 @@ void CRT::output_data(unsigned int number_of_cycles, unsigned int source_divider
{
output_blank(number_of_cycles);
}
_openGL_output_builder->unlock_output();
}
Outputs::CRT::Rect CRT::get_rect_for_area(int first_line_after_sync, int number_of_lines, int first_cycle_after_sync, int number_of_cycles, float aspect_ratio)

12
Outputs/CRT/Internals/CRTOpenGL.hpp
View File

@ -107,14 +107,12 @@ class OpenGLOutputBuilder {
inline uint8_t *get_next_source_run()
{
if(_source_buffer_data_pointer == _drawn_source_buffer_data_pointer + SourceVertexBufferDataSize) return nullptr;
_output_mutex->lock();
return &_source_buffer_data.get()[_source_buffer_data_pointer % SourceVertexBufferDataSize];
}
inline void complete_source_run()
{
_source_buffer_data_pointer += 2 * SourceVertexSize;
_output_mutex->unlock();
}
inline bool composite_output_run_has_room_for_vertices(GLsizei vertices_to_write)
@ -125,13 +123,21 @@ class OpenGLOutputBuilder {
inline uint8_t *get_next_output_run()
{
if(_output_buffer_data_pointer == _drawn_output_buffer_data_pointer + OutputVertexBufferDataSize) return nullptr;
_output_mutex->lock();
return &_output_buffer_data.get()[_output_buffer_data_pointer % OutputVertexBufferDataSize];
}
inline void complete_output_run(GLsizei vertices_written)
{
_output_buffer_data_pointer += vertices_written * OutputVertexSize;
}
inline void lock_output()
{
_output_mutex->lock();
}
inline void unlock_output()
{
_output_mutex->unlock();
}