godot/thirdparty/libwebp/src/dsp/rescaler.c

// Copyright 2014 Google Inc. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the COPYING file in the root of the source
// tree. An additional intellectual property rights grant can be found
// in the file PATENTS. All contributing project authors may
// be found in the AUTHORS file in the root of the source tree.
// -----------------------------------------------------------------------------
//
// Rescaling functions
//
// Author: Skal ([email protected])

#include <assert.h>

#include "src/dsp/dsp.h"
#include "src/utils/rescaler_utils.h"

//------------------------------------------------------------------------------
// Implementations of critical functions ImportRow / ExportRow

#define ROUNDER …
#define MULT_FIX …
#define MULT_FIX_FLOOR …

//------------------------------------------------------------------------------
// Row import

void WebPRescalerImportRowExpand_C(WebPRescaler* const wrk,
                                   const uint8_t* src) { … }

void WebPRescalerImportRowShrink_C(WebPRescaler* const wrk,
                                   const uint8_t* src) { … }

//------------------------------------------------------------------------------
// Row export

void WebPRescalerExportRowExpand_C(WebPRescaler* const wrk) { … }

void WebPRescalerExportRowShrink_C(WebPRescaler* const wrk) { … }

#undef MULT_FIX_FLOOR
#undef MULT_FIX
#undef ROUNDER

//------------------------------------------------------------------------------
// Main entry calls

void WebPRescalerImportRow(WebPRescaler* const wrk, const uint8_t* src) { … }

void WebPRescalerExportRow(WebPRescaler* const wrk) { … }

//------------------------------------------------------------------------------

WebPRescalerImportRowFunc WebPRescalerImportRowExpand;
WebPRescalerImportRowFunc WebPRescalerImportRowShrink;

WebPRescalerExportRowFunc WebPRescalerExportRowExpand;
WebPRescalerExportRowFunc WebPRescalerExportRowShrink;

extern VP8CPUInfo VP8GetCPUInfo;
extern void WebPRescalerDspInitSSE2(void);
extern void WebPRescalerDspInitMIPS32(void);
extern void WebPRescalerDspInitMIPSdspR2(void);
extern void WebPRescalerDspInitMSA(void);
extern void WebPRescalerDspInitNEON(void);

WEBP_DSP_INIT_FUNC(WebPRescalerDspInit) { … }