typedef unsigned int GLenum;
typedef unsigned char GLboolean;
typedef void GLvoid;
typedef int GLint;
typedef unsigned char GLubyte;
typedef unsigned int GLuint;
typedef float GLfloat;
typedef GLubyte GLchan;
typedef struct __GLcontextRec GLcontext;
enum {
	VERT_ATTRIB_POS = 0, VERT_ATTRIB_WEIGHT = 1, VERT_ATTRIB_NORMAL =
	    2, VERT_ATTRIB_COLOR0 = 3, VERT_ATTRIB_COLOR1 = 4, VERT_ATTRIB_FOG =
	    5, VERT_ATTRIB_COLOR_INDEX = 6, VERT_ATTRIB_EDGEFLAG =
	    7, VERT_ATTRIB_TEX0 = 8, VERT_ATTRIB_TEX1 = 9, VERT_ATTRIB_TEX2 =
	    10, VERT_ATTRIB_TEX3 = 11, VERT_ATTRIB_TEX4 = 12, VERT_ATTRIB_TEX5 =
	    13, VERT_ATTRIB_TEX6 = 14, VERT_ATTRIB_TEX7 =
	    15, VERT_ATTRIB_GENERIC0 = 16, VERT_ATTRIB_GENERIC1 =
	    17, VERT_ATTRIB_GENERIC2 = 18, VERT_ATTRIB_GENERIC3 =
	    19, VERT_ATTRIB_GENERIC4 = 20, VERT_ATTRIB_GENERIC5 =
	    21, VERT_ATTRIB_GENERIC6 = 22, VERT_ATTRIB_GENERIC7 =
	    23, VERT_ATTRIB_GENERIC8 = 24, VERT_ATTRIB_GENERIC9 =
	    25, VERT_ATTRIB_GENERIC10 = 26, VERT_ATTRIB_GENERIC11 =
	    27, VERT_ATTRIB_GENERIC12 = 28, VERT_ATTRIB_GENERIC13 =
	    29, VERT_ATTRIB_GENERIC14 = 30, VERT_ATTRIB_GENERIC15 =
	    31, VERT_ATTRIB_MAX = 32
};
struct gl_color_table {
};
typedef void (*FetchTexelFuncF) (const struct gl_texture_image * texImage,
				 GLint col, GLint row, GLint img,
				 GLfloat * texelOut);
typedef void (*StoreTexelFunc) (struct gl_texture_image * texImage, GLint col,
				GLint row, GLint img, const void *texel);
struct gl_texture_format {
	GLint MesaFormat;
	GLenum BaseFormat;
	GLenum DataType;
	GLubyte RedBits;
	GLubyte GreenBits;
	GLubyte BlueBits;
	GLubyte AlphaBits;
	GLubyte LuminanceBits;
	GLubyte IntensityBits;
	GLubyte IndexBits;
	GLubyte DepthBits;
	GLubyte StencilBits;
	FetchTexelFuncF FetchTexel3Df;
	StoreTexelFunc StoreTexel;
};
enum _format {
	MESA_FORMAT_RGBA8888, MESA_FORMAT_RGBA8888_REV, MESA_FORMAT_ARGB8888,
	    MESA_FORMAT_ARGB8888_REV, MESA_FORMAT_RGB888, MESA_FORMAT_BGR888,
	    MESA_FORMAT_RGB565, MESA_FORMAT_RGB565_REV, MESA_FORMAT_ARGB4444,
	    MESA_FORMAT_ARGB4444_REV, MESA_FORMAT_ARGB1555,
	    MESA_FORMAT_ARGB1555_REV, MESA_FORMAT_AL88, MESA_FORMAT_AL88_REV,
	    MESA_FORMAT_RGB332, MESA_FORMAT_A8, MESA_FORMAT_L8, MESA_FORMAT_I8,
	    MESA_FORMAT_CI8, MESA_FORMAT_YCBCR, MESA_FORMAT_YCBCR_REV,
	    MESA_FORMAT_Z24_S8, MESA_FORMAT_Z16, MESA_FORMAT_Z32,
	    MESA_FORMAT_SRGB8, MESA_FORMAT_SRGBA8, MESA_FORMAT_SL8,
	    MESA_FORMAT_SLA8, MESA_FORMAT_RGB_FXT1, MESA_FORMAT_RGBA_FXT1,
	    MESA_FORMAT_RGB_DXT1, MESA_FORMAT_RGBA_DXT1, MESA_FORMAT_RGBA_DXT3,
	    MESA_FORMAT_RGBA_DXT5, MESA_FORMAT_RGBA, MESA_FORMAT_RGB,
	    MESA_FORMAT_ALPHA, MESA_FORMAT_LUMINANCE,
	    MESA_FORMAT_LUMINANCE_ALPHA, MESA_FORMAT_INTENSITY,
	    MESA_FORMAT_RGBA_FLOAT32, MESA_FORMAT_RGBA_FLOAT16,
	    MESA_FORMAT_RGB_FLOAT32, MESA_FORMAT_RGB_FLOAT16,
	    MESA_FORMAT_ALPHA_FLOAT32, MESA_FORMAT_ALPHA_FLOAT16,
	    MESA_FORMAT_LUMINANCE_FLOAT32, MESA_FORMAT_LUMINANCE_FLOAT16,
	    MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
	    MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, MESA_FORMAT_INTENSITY_FLOAT32,
	    MESA_FORMAT_INTENSITY_FLOAT16
};
static void fxt1_encode(GLuint width, GLuint height, GLint comps,
			const void *source, GLint srcRowStride, void *dest,
			GLint destRowStride);
static GLboolean texstore_rgba_fxt1(GLcontext * ctx, GLuint dims,
				    GLenum baseInternalFormat,
				    const struct gl_texture_format *dstFormat,
				    GLvoid * dstAddr, GLint dstXoffset,
				    GLint dstYoffset, GLint dstZoffset,
				    GLint dstRowStride,
				    const GLuint * dstImageOffsets,
				    GLint srcWidth, GLint srcHeight,
				    GLint srcDepth, GLenum srcFormat,
				    GLenum srcType, const GLvoid * srcAddr,
				    const struct gl_pixelstore_attrib
				    *srcPacking)
{
	const GLchan *pixels;
	GLint srcRowStride;
	GLubyte *dst;
	fxt1_encode(srcWidth, srcHeight, 4, pixels, srcRowStride, dst,
		    dstRowStride);
}
static void fetch_texel_2d_rgba_fxt1(const struct gl_texture_image *texImage,
				     GLint i, GLint j, GLint k, GLchan * texel)
{
}
static void fetch_texel_2d_f_rgba_fxt1(const struct gl_texture_image *texImage,
				       GLint i, GLint j, GLint k,
				       GLfloat * texel)
{
}
const struct gl_texture_format _mesa_texformat_rgba_fxt1 = {
	MESA_FORMAT_RGBA_FXT1, 0x1908, 0x8C17, 4, 4, 4, 1, 0, 0, 0, 0, 0, 0,
	    texstore_rgba_fxt1, ((void *)0), fetch_texel_2d_rgba_fxt1,
	    ((void *)0), ((void *)0), fetch_texel_2d_f_rgba_fxt1, ((void *)0),
	    ((void *)0)
};
typedef unsigned long long Fx64;
static void fxt1_quantize_CHROMA(GLuint * cc, GLubyte input[32][4])
{
	const GLint n_vect = 4;
	GLint i, j, k;
	for (j = n_vect - 1; k >= 32 / 2; k--) {
	}
}
static void fxt1_quantize_ALPHA1(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(GLuint * cc, const GLubyte * lines[], GLint comps)
{
	GLubyte input[32][4];
	GLint i, k, l;
	for (l = 0; l < 4; l++) {
		for (k = 0; k < 4; k++) {
			for (i = 0; i < comps; i++) {
			}
		}
		fxt1_quantize_ALPHA1(cc, input);
	}
}
static void fxt1_encode(GLuint width, GLuint height, GLint comps,
			const void *source, GLint srcRowStride, void *dest,
			GLint destRowStride)
{
	GLuint x, y;
	GLuint *encoded = (GLuint *) dest;
	for (y = 0; y < height; y += 4) {
		for (x = 0; x < width; x += 8) {
			const GLubyte *lines[4];
			fxt1_quantize(encoded, lines, comps);
		}
	}
}