initial import

[ICEs.git] / 195695 / xorg.i.3

typedef void GLvoid;
typedef int GLint;
typedef unsigned char GLubyte;
typedef unsigned int GLuint;
typedef float GLfloat;
typedef GLubyte GLchan;
static void fxt1_encode(void);
static void texstore_rgba_fxt1(void)
{
	fxt1_encode();
}
struct {
	void (*foo)(void);
} structfoo = { texstore_rgba_fxt1 };
typedef unsigned long long Fx64;
static void fxt1_quantize_ALPHA1(void)
{
	GLuint * cc;
	GLubyte input[32][4];
	const GLint n_vect = 3;
	const GLint n_comp = 4;
	GLfloat vec[1 + 1 + 1][4];
	GLint i, j, k;
	Fx64 hi;
		GLint j1, j2;
		GLint v1 = 0, v2 = 0;
		GLfloat err = 1e9;
		GLfloat tv[2 * 2][4];
		for (i = 0; i < n_comp; i++) {
		}
		for (j1 = 0; j1 < 2; j1++) {
			for (j2 = 2; j2 < 4; j2++) {
				GLfloat 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 |= (GLuint) (vec[j][i] / 8.0F);
		}
	}
	((Fx64 *) cc)[1] = hi;
}
static void fxt1_quantize(void)
{
	GLint k;
	for (k = 0; k < 4; k++)
		fxt1_quantize_ALPHA1();
}
static void fxt1_encode(void)
{
	fxt1_quantize();
}