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Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/Float16ToFloat32.py')
-rw-r--r--src/3rdparty/angle/src/libGLESv2/Float16ToFloat32.py78
1 files changed, 0 insertions, 78 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/Float16ToFloat32.py b/src/3rdparty/angle/src/libGLESv2/Float16ToFloat32.py
deleted file mode 100644
index cf039bfc21..0000000000
--- a/src/3rdparty/angle/src/libGLESv2/Float16ToFloat32.py
+++ /dev/null
@@ -1,78 +0,0 @@
-# Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-#
-
-# This script generates a function that converts 16-bit precision floating
-# point numbers to 32-bit.
-# It is based on ftp://ftp.fox-toolkit.org/pub/fasthalffloatconversion.pdf.
-
-def convertMantissa(i):
- if i == 0:
- return 0
- elif i < 1024:
- m = i << 13
- e = 0
- while not (m & 0x00800000):
- e -= 0x00800000
- m = m << 1
- m &= ~0x00800000
- e += 0x38800000
- return m | e
- else:
- return 0x38000000 + ((i - 1024) << 13)
-
-def convertExponent(i):
- if i == 0:
- return 0
- elif i in range(1, 31):
- return i << 23
- elif i == 31:
- return 0x47800000
- elif i == 32:
- return 0x80000000
- elif i in range(33, 63):
- return 0x80000000 + ((i - 32) << 23)
- else:
- return 0xC7800000
-
-def convertOffset(i):
- if i == 0 or i == 32:
- return 0
- else:
- return 1024
-
-print """//
-// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-//
-
-// This file is automatically generated.
-
-namespace gl
-{
-"""
-
-print "const static unsigned g_mantissa[2048] = {"
-for i in range(0, 2048):
- print " %#010x," % convertMantissa(i)
-print "};\n"
-
-print "const static unsigned g_exponent[64] = {"
-for i in range(0, 64):
- print " %#010x," % convertExponent(i)
-print "};\n"
-
-print "const static unsigned g_offset[64] = {"
-for i in range(0, 64):
- print " %#010x," % convertOffset(i)
-print "};\n"
-
-print """float float16ToFloat32(unsigned short h)
-{
- unsigned i32 = g_mantissa[g_offset[h >> 10] + (h & 0x3ff)] + g_exponent[h >> 10];
- return *(float*) &i32;
-}
-}
-"""