Merge change 9359 (c4791985) · Commits · e / os / android_frameworks_base

libs/rs/rsScriptC_Lib.cpp

+184 −1

Original line number	Diff line number	Diff line
		@@ -129,12 +129,91 @@ static void SC_storeMatrix(uint32_t bank, uint32_t offset, const rsc_Matrix *m)
		// Math routines
		//////////////////////////////////////////////////////////////////////////////

		#define PI 3.1415926f
		#define DEG_TO_RAD PI / 180.0f
		#define RAD_TO_DEG 180.0f / PI

		static float SC_randf(float max)
		{
		float r = (float)rand();
		return r / RAND_MAX * max;
		}

		static float SC_randf2(float min, float max)
		{
		float r = (float)rand();
		return r / RAND_MAX * (max - min) + min;
		}

		static float SC_clampf(float amount, float low, float high)
		{
		return amount < low ? low : (amount > high ? high : amount);
		}

		static float SC_maxf(float a, float b)
		{
		return a > b ? a : b;
		}

		static float SC_minf(float a, float b)
		{
		return a < b ? a : b;
		}

		static float SC_sqrf(float v)
		{
		return v * v;
		}

		static float SC_distf2(float x1, float y1, float x2, float y2)
		{
		float x = x2 - x1;
		float y = y2 - y1;
		return sqrtf(x * x + y * y);
		}

		static float SC_distf3(float x1, float y1, float z1, float x2, float y2, float z2)
		{
		float x = x2 - x1;
		float y = y2 - y1;
		float z = z2 - z1;
		return sqrtf(x * x + y * y + z * z);
		}

		static float SC_magf2(float a, float b)
		{
		return sqrtf(a * a + b * b);
		}

		static float SC_magf3(float a, float b, float c)
		{
		return sqrtf(a * a + b * b + c * c);
		}

		static float SC_radf(float degrees)
		{
		return degrees * DEG_TO_RAD;
		}

		static float SC_degf(float radians)
		{
		return radians * RAD_TO_DEG;
		}

		static float SC_lerpf(float start, float stop, float amount)
		{
		return start + (stop - start) * amount;
		}

		static float SC_normf(float start, float stop, float value)
		{
		return (value - start) / (stop - start);
		}

		static float SC_mapf(float minStart, float minStop, float maxStart, float maxStop, float value)
		{
		return maxStart + (maxStart - maxStop) * ((value - minStart) / (minStop - minStart));
		}

		//////////////////////////////////////////////////////////////////////////////
		// Time routines
		@@ -194,6 +273,60 @@ static uint32_t SC_hour()
		}
		}

		static uint32_t SC_day()
		{
		GET_TLS();

		time_t rawtime;
		time(&rawtime);

		if (sc->mEnviroment.mTimeZone) {
		struct tm timeinfo;
		localtime_tz(&rawtime, &timeinfo, sc->mEnviroment.mTimeZone);
		return timeinfo.tm_mday;
		} else {
		struct tm *timeinfo;
		timeinfo = localtime(&rawtime);
		return timeinfo->tm_mday;
		}
		}

		static uint32_t SC_month()
		{
		GET_TLS();

		time_t rawtime;
		time(&rawtime);

		if (sc->mEnviroment.mTimeZone) {
		struct tm timeinfo;
		localtime_tz(&rawtime, &timeinfo, sc->mEnviroment.mTimeZone);
		return timeinfo.tm_mon;
		} else {
		struct tm *timeinfo;
		timeinfo = localtime(&rawtime);
		return timeinfo->tm_mon;
		}
		}

		static uint32_t SC_year()
		{
		GET_TLS();

		time_t rawtime;
		time(&rawtime);

		if (sc->mEnviroment.mTimeZone) {
		struct tm timeinfo;
		localtime_tz(&rawtime, &timeinfo, sc->mEnviroment.mTimeZone);
		return timeinfo.tm_year;
		} else {
		struct tm *timeinfo;
		timeinfo = localtime(&rawtime);
		return timeinfo->tm_year;
		}
		}

		//////////////////////////////////////////////////////////////////////////////
		// Matrix routines
		//////////////////////////////////////////////////////////////////////////////
		@@ -510,14 +643,58 @@ ScriptCState::SymbolTable_t ScriptCState::gSyms[] = {
		"float", "(float)" },
		{ "cosf", (void *)&cosf,
		"float", "(float)" },
		{ "asinf", (void *)&asinf,
		"float", "(float)" },
		{ "acosf", (void *)&acosf,
		"float", "(float)" },
		{ "atanf", (void *)&atanf,
		"float", "(float)" },
		{ "atan2f", (void *)&atan2f,
		"float", "(floatm float)" },
		{ "fabsf", (void *)&fabsf,
		"float", "(float)" },
		{ "randf", (void *)&SC_randf,
		"float", "(float)" },
		{ "randf2", (void *)&SC_randf2,
		"float", "(float, float)" },
		{ "floorf", (void *)&floorf,
		"float", "(float)" },
		{ "ceilf", (void *)&ceilf,
		"float", "(float)" },
		{ "expf", (void *)&expf,
		"float", "(float)" },
		{ "logf", (void *)&logf,
		"float", "(float)" },
		{ "powf", (void *)&powf,
		"float", "(float, float)" },
		{ "maxf", (void *)&SC_maxf,
		"float", "(float, float)" },
		{ "minf", (void *)&SC_minf,
		"float", "(float, float)" },
		{ "sqrtf", (void *)&sqrtf,
		"float", "(float)" },
		{ "sqrf", (void *)&SC_sqrf,
		"float", "(float)" },
		{ "clampf", (void *)&SC_clampf,
		"float", "(float, float, float)" },
		{ "distf2", (void *)&SC_distf2,
		"float", "(float, float, float, float)" },
		{ "distf3", (void *)&SC_distf3,
		"float", "(float, float, float, float, float, float)" },
		{ "magf2", (void *)&SC_magf2,
		"float", "(float, float)" },
		{ "magf3", (void *)&SC_magf3,
		"float", "(float, float, float)" },
		{ "radf", (void *)&SC_radf,
		"float", "(float)" },
		{ "degf", (void *)&SC_degf,
		"float", "(float)" },
		{ "lerpf", (void *)&SC_lerpf,
		"float", "(float, float, float)" },
		{ "normf", (void *)&SC_normf,
		"float", "(float, float, float)" },
		{ "mapf", (void *)&SC_mapf,
		"float", "(float, float, float, float, float)" },

		// time
		{ "second", (void *)&SC_second,
		@@ -526,6 +703,12 @@ ScriptCState::SymbolTable_t ScriptCState::gSyms[] = {
		"int", "()" },
		{ "hour", (void *)&SC_hour,
		"int", "()" },
		{ "day", (void *)&SC_day,
		"int", "()" },
		{ "month", (void *)&SC_month,
		"int", "()" },
		{ "year", (void *)&SC_year,
		"int", "()" },

		// matrix
		{ "matrixLoadIdentity", (void *)&SC_matrixLoadIdentity,