blob: 8987066cc37cfd74230fa25bc2ae0e6c99c6d8f5 [file] [log] [blame]
// Copyright (c) 2002-2012 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.
#include <vector>
#include "compiler/ShHandle.h"
class VariablePacker {
// Returns true if the passed in variables pack in maxVectors following
// the packing rules from the GLSL 1.017 spec, Appendix A, section 7.
bool CheckVariablesWithinPackingLimits(
int maxVectors,
const TVariableInfoList& in_variables);
// Gets how many components in a row a data type takes.
static int GetNumComponentsPerRow(ShDataType type);
// Gets how many rows a data type takes.
static int GetNumRows(ShDataType type);
static const int kNumColumns = 4;
static const unsigned kColumnMask = (1 << kNumColumns) - 1;
unsigned makeColumnFlags(int column, int numComponentsPerRow);
void fillColumns(int topRow, int numRows, int column, int numComponentsPerRow);
bool searchColumn(int column, int numRows, int* destRow, int* destSize);
int topNonFullRow_;
int bottomNonFullRow_;
int maxRows_;
std::vector<unsigned> rows_;