initial import

[ICEs.git] / 195695 / xorg.i.5

typedef unsigned long long Fx64;
static void fxt1_quantize_ALPHA1(void)
{
	unsigned int *cc;
	const int n_vect = 3;
	const int n_comp = 4;
	float vec[1 + 1 + 1][4];
	int i;
	int j;
	int k;
	Fx64 hi;
	int j1;
	int j2;
	int v1 = 0;
	int v2 = 0;
	float err = 1e9;
	float tv[2 * 2][4];
	for (j1 = 0; j1 < 2; j1++) {
		for (j2 = 2; j2 < 4; j2++) {
			float e = 0.0F;
			for (i = 0; i < n_comp; i++) {
				e += (tv[j1][i] - tv[j2][i]) * (tv[j1][i] -
								tv[j2][i]);
			}
			if (e < err) {
				v1 = j1;
			}
		}
	}
	for (i = 0; i < n_comp; i++)
		vec[0][i] = tv[1 - v1][i];
	for (j = n_vect - 1; j >= 0; j--)
		for (i = 0; i < n_comp - 1; i++)
			hi |= (unsigned int) (vec[j][i] / 8.0F);
	((Fx64 *) cc)[1] = hi;
}
static void fxt1_quantize(void)
{
	int k;
	for (k = 0; k < 4; k++)
		fxt1_quantize_ALPHA1();
}
static void fxt1_encode(void)
{
	fxt1_quantize();
}
static void texstore_rgba_fxt1(void)
{
	fxt1_encode();
}
void *structfoo = texstore_rgba_fxt1;