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Added multithreaded upscaling with xBRZ (macOS only)

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This commit is contained in:
alexey.lysiuk 2016-10-14 17:14:49 +03:00
parent 58d44e89c9
commit c3ced5842a
1 changed files with 51 additions and 1 deletions
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52
src/gl/textures/gl_hqresize.cpp
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@ -46,6 +46,17 @@
#include "gl/xbr/xbrz.h"
#include "gl/xbr/xbrz_old.h"
#ifdef __APPLE__
# include <AvailabilityMacros.h>
# if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
# define GZ_USE_LIBDISPATCH
# endif // MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
#endif // __APPLE__
#ifdef GZ_USE_LIBDISPATCH
# include <dispatch/dispatch.h>
#endif // GZ_USE_LIBDISPATCH
CUSTOM_CVAR(Int, gl_texture_hqresize, 0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
{
if (self < 0 || self > 16)
@ -76,6 +87,22 @@ CVAR (Flag, gl_texture_hqresize_textures, gl_texture_hqresize_targets, 1);
CVAR (Flag, gl_texture_hqresize_sprites, gl_texture_hqresize_targets, 2);
CVAR (Flag, gl_texture_hqresize_fonts, gl_texture_hqresize_targets, 4);
#ifdef GZ_USE_LIBDISPATCH
CVAR(Bool, gl_texture_hqresize_multithread, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
CUSTOM_CVAR(Int, gl_texture_hqresize_mt_width, 16, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
{
if (self < 2) self = 2;
if (self > 1024) self = 1024;
}
CUSTOM_CVAR(Int, gl_texture_hqresize_mt_height, 4, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
{
if (self < 2) self = 2;
if (self > 1024) self = 1024;
}
#endif // GZ_USE_LIBDISPATCH
static void scale2x ( uint32* inputBuffer, uint32* outputBuffer, int inWidth, int inHeight )
{
@ -261,7 +288,30 @@ static unsigned char *xbrzHelper( void (*xbrzFunction) ( size_t, const uint32_t*
outHeight = N *inHeight;
unsigned char * newBuffer = new unsigned char[outWidth*outHeight*4];
xbrzFunction(N, reinterpret_cast<uint32_t*>(inputBuffer), reinterpret_cast<uint32_t*>(newBuffer), inWidth, inHeight, xbrz::ARGB, xbrz::ScalerCfg(), 0, std::numeric_limits<int>::max());
#ifdef GZ_USE_LIBDISPATCH
const int thresholdWidth = gl_texture_hqresize_mt_width;
const int thresholdHeight = gl_texture_hqresize_mt_height;
if (gl_texture_hqresize_multithread
&& inWidth > thresholdWidth
&& inHeight > thresholdHeight)
{
const dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
dispatch_apply(inHeight / thresholdHeight + 1, queue, ^(size_t sliceY)
{
xbrzFunction(N, reinterpret_cast<uint32_t*>(inputBuffer), reinterpret_cast<uint32_t*>(newBuffer),
inWidth, inHeight, xbrz::ARGB, xbrz::ScalerCfg(), sliceY * thresholdHeight, (sliceY + 1) * thresholdHeight);
});
}
else
#endif // GZ_USE_LIBDISPATCH
{
xbrzFunction(N, reinterpret_cast<uint32_t*>(inputBuffer), reinterpret_cast<uint32_t*>(newBuffer),
inWidth, inHeight, xbrz::ARGB, xbrz::ScalerCfg(), 0, std::numeric_limits<int>::max());
}
delete[] inputBuffer;
return newBuffer;
}