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Set the locale per-thread instead of globally when generating shaders. Add cross-compatible versions of newlocale, uselocale and freelocale.
This commit fixes a rare race condition when generating shaders because setlocale is global.
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@ -6,6 +6,9 @@
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#include <cmath>
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#include <assert.h>
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#include <locale.h>
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#ifdef __APPLE__
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#include <xlocale.h>
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#endif
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#include "LightingShaderGen.h"
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#include "PixelShaderGen.h"
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@ -513,7 +516,8 @@ const char *WriteLocation(API_TYPE ApiType)
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const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType, u32 components)
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{
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setlocale(LC_NUMERIC, "C"); // Reset locale for compilation
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locale_t locale = newlocale(LC_NUMERIC_MASK, "C", NULL); // New locale for compilation
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locale_t old_locale = uselocale(locale); // Apply the locale for this thread
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text[sizeof(text) - 1] = 0x7C; // canary
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BuildSwapModeTable(); // Needed for WriteStage
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@ -886,7 +890,8 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
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if (text[sizeof(text) - 1] != 0x7C)
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PanicAlert("PixelShader generator - buffer too small, canary has been eaten!");
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setlocale(LC_NUMERIC, ""); // restore locale
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uselocale(old_locale); // restore locale
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freelocale(locale);
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return text;
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}
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