auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 243 deletions

diff --git a/opengl/libagl/fp.h b/opengl/libagl/fp.h
deleted file mode 100644
index 6d0c183..0000000
--- a/opengl/libagl/fp.h
+++ /dev/null
@@ -1,243 +0,0 @@
-/* libs/opengles/fp.h
-**
-** Copyright 2006, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
-**
-**     http://www.apache.org/licenses/LICENSE-2.0 
-**
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
-** limitations under the License.
-*/
-
-#ifndef ANDROID_OPENGLES_FP_H
-#define ANDROID_OPENGLES_FP_H
-
-#include <stdint.h>
-#include <stddef.h>
-#include <sys/types.h>
-#include <math.h>
-
-#include <private/pixelflinger/ggl_context.h>
-
-#include <GLES/gl.h>
-
-#define DEBUG_USE_FLOATS      0
-
-// ----------------------------------------------------------------------------
-
-extern "C" GLfixed gglFloatToFixed(float f) __attribute__((const));
-
-// ----------------------------------------------------------------------------
-namespace android {
-
-namespace gl {
-
-        GLfloat fixedToFloat(GLfixed) CONST;
-
-        void    sincosf(GLfloat angle, GLfloat* s, GLfloat* c);
-        float   sinef(GLfloat x) CONST;
-        float   cosinef(GLfloat x) CONST;
-
-inline bool     cmpf(GLfloat a, GLfloat b) CONST;
-inline bool     isZerof(GLfloat) CONST;
-inline bool     isOnef(GLfloat) CONST;
-
-inline int      isZeroOrNegativef(GLfloat) CONST;
-
-inline int      exponent(GLfloat) CONST;
-inline int32_t  mantissa(GLfloat) CONST;
-inline GLfloat  clampToZerof(GLfloat) CONST;
-inline GLfloat  reciprocalf(GLfloat) CONST;
-inline GLfloat  rsqrtf(GLfloat) CONST;
-inline GLfloat  sqrf(GLfloat) CONST;
-inline GLfloat  addExpf(GLfloat v, int e) CONST;
-inline GLfloat  mul2f(GLfloat v) CONST;
-inline GLfloat  div2f(GLfloat v) CONST;
-inline GLfloat  absf(GLfloat v) CONST;
-
-
-/* 
- * float fastexpf(float) : a fast approximation of expf(x)
- *		give somewhat accurate results for -88 <= x <= 88
- *
- * exp(x) = 2^(x/ln(2))
- * we use the properties of float encoding
- * to get a fast 2^ and linear interpolation
- *
- */
-
-inline float fastexpf(float y) __attribute__((const));
-
-inline float fastexpf(float y)
-{
-	union {
-		float	r;
-		int32_t	i;
-	} u;	
-
-	// 127*ln(2) = 88
-	if (y < -88.0f) {
-		u.r = 0.0f;
-	} else if (y > 88.0f) {
-		u.r = INFINITY;
-	} else {
-		const float kOneOverLogTwo = (1L<<23) / M_LN2;
-		const int32_t kExponentBias = 127L<<23;
-		const int32_t e = int32_t(y*kOneOverLogTwo);
-		u.i = e + kExponentBias;
-	}
-	
-	return u.r;
-}
-
-
-bool cmpf(GLfloat a, GLfloat b) {
-#if DEBUG_USE_FLOATS
-    return a == b;
-#else
-    union {
-        float       f;
-        uint32_t    i;
-    } ua, ub;
-    ua.f = a;
-    ub.f = b;
-    return ua.i == ub.i;
-#endif
-} 
-
-bool isZerof(GLfloat v) {
-#if DEBUG_USE_FLOATS
-    return v == 0;
-#else
-    union {
-        float       f;
-        int32_t     i;
-    };
-    f = v;
-    return (i<<1) == 0;
-#endif
-}
-
-bool isOnef(GLfloat v) {
-    return cmpf(v, 1.0f);
-}
-
-int isZeroOrNegativef(GLfloat v) {
-#if DEBUG_USE_FLOATS
-    return v <= 0;
-#else
-    union {
-        float       f;
-        int32_t     i;
-    };
-    f = v;
-    return isZerof(v) | (i>>31);
-#endif
-}
-
-int exponent(GLfloat v) {
-    union {
-        float    f;
-        uint32_t i;
-    };
-    f = v;
-    return ((i << 1) >> 24) - 127;
-}
-
-int32_t mantissa(GLfloat v) {
-    union {
-        float    f;
-        uint32_t i;
-    };
-    f = v;
-    if (!(i&0x7F800000)) return 0;
-    const int s = i >> 31;
-    i |= (1L<<23);
-    i &= ~0xFF000000;
-    return s ? -i : i;
-}
-
-GLfloat clampToZerof(GLfloat v) {
-#if DEBUG_USE_FLOATS
-    return v<0 ? 0 : (v>1 ? 1 : v);
-#else
-    union {
-        float       f;
-        int32_t     i;
-    };
-    f = v;
-    i &= ~(i>>31);
-    return f;
-#endif
-}
-
-GLfloat reciprocalf(GLfloat v) {
-    // XXX: do better
-    return 1.0f / v;
-}
-
-GLfloat rsqrtf(GLfloat v) {
-    // XXX: do better
-    return 1.0f / sqrtf(v);
-}
-
-GLfloat sqrf(GLfloat v) {
-    // XXX: do better
-    return v*v;
-}
-
-GLfloat addExpf(GLfloat v, int e) {
-    union {
-        float       f;
-        int32_t     i;
-    };
-    f = v;
-    if (i<<1) { // XXX: deal with over/underflow	
-        i += int32_t(e)<<23;
-    }
-    return f;
-}
-
-GLfloat mul2f(GLfloat v) {
-#if DEBUG_USE_FLOATS
-    return v*2;
-#else
-    return addExpf(v, 1);
-#endif
-}
-
-GLfloat div2f(GLfloat v) {
-#if DEBUG_USE_FLOATS
-    return v*0.5f;
-#else
-    return addExpf(v, -1);
-#endif
-}
-
-GLfloat  absf(GLfloat v) {
-#if DEBUG_USE_FLOATS
-    return v<0 ? -v : v;
-#else
-    union {
-        float       f;
-        int32_t     i;
-    };
-    f = v;
-    i &= ~0x80000000;
-    return f;
-#endif
-}
-
-};  // namespace gl
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // ANDROID_OPENGLES_FP_H
-